Arteriovenous Fistula
An abnormal direct communication between an artery and a vein without passing through the CAPILLARIES. An A-V fistula usually leads to the formation of a dilated sac-like connection, arteriovenous aneurysm. The locations and size of the shunts determine the degree of effects on the cardiovascular functions such as BLOOD PRESSURE and HEART RATE.
Arteriovenous Shunt, Surgical
Fistula
Central Nervous System Vascular Malformations
Intestinal Fistula
An abnormal anatomical passage between the INTESTINE, and another segment of the intestine or other organs. External intestinal fistula is connected to the SKIN (enterocutaneous fistula). Internal intestinal fistula can be connected to a number of organs, such as STOMACH (gastrocolic fistula), the BILIARY TRACT (cholecystoduodenal fistula), or the URINARY BLADDER of the URINARY TRACT (colovesical fistula). Risk factors include inflammatory processes, cancer, radiation treatment, and surgical misadventures (MEDICAL ERRORS).
Dura Mater
Embolization, Therapeutic
A method of hemostasis utilizing various agents such as Gelfoam, silastic, metal, glass, or plastic pellets, autologous clot, fat, and muscle as emboli. It has been used in the treatment of spinal cord and INTRACRANIAL ARTERIOVENOUS MALFORMATIONS, renal arteriovenous fistulas, gastrointestinal bleeding, epistaxis, hypersplenism, certain highly vascular tumors, traumatic rupture of blood vessels, and control of operative hemorrhage.
Cutaneous Fistula
Cranial Sinuses
Large endothelium-lined venous channels situated between the two layers of DURA MATER, the endosteal and the meningeal layers. They are devoid of valves and are parts of the venous system of dura mater. Major cranial sinuses include a postero-superior group (such as superior sagittal, inferior sagittal, straight, transverse, and occipital) and an antero-inferior group (such as cavernous, petrosal, and basilar plexus).
Bronchial Fistula
Vascular Fistula
Rectal Fistula
Renal Dialysis
Urinary Fistula
Cavernous Sinus
Esophageal Fistula
Brachiocephalic Veins
Biliary Fistula
Respiratory Tract Fistula
Vaginal Fistula
Cerebral Angiography
Tracheoesophageal Fistula
Cranial Fossa, Anterior
Catheters, Indwelling
Carotid-Cavernous Sinus Fistula
An acquired or spontaneous abnormality in which there is communication between CAVERNOUS SINUS, a venous structure, and the CAROTID ARTERIES. It is often associated with HEAD TRAUMA, specifically basilar skull fractures (SKULL FRACTURE, BASILAR). Clinical signs often include VISION DISORDERS and INTRACRANIAL HYPERTENSION.
Arteriovenous Malformations
Abnormal formation of blood vessels that shunt arterial blood directly into veins without passing through the CAPILLARIES. They usually are crooked, dilated, and with thick vessel walls. A common type is the congenital arteriovenous fistula. The lack of blood flow and oxygen in the capillaries can lead to tissue damage in the affected areas.
Femoral Vein
Intracranial Arteriovenous Malformations
Congenital vascular anomalies in the brain characterized by direct communication between an artery and a vein without passing through the CAPILLARIES. The locations and size of the shunts determine the symptoms including HEADACHES; SEIZURES; STROKE; INTRACRANIAL HEMORRHAGES; mass effect; and vascular steal effect.
Iliac Vein
Jugular Veins
Radial Artery
Urinary Bladder Fistula
Upper Extremity
Arterio-Arterial Fistula
Superior Sagittal Sinus
The long large endothelium-lined venous channel on the top outer surface of the brain. It receives blood from a vein in the nasal cavity, runs backwards, and gradually increases in size as blood drains from veins of the brain and the DURA MATER. Near the lower back of the CRANIUM, the superior sagittal sinus deviates to one side (usually the right) and continues on as one of the TRANSVERSE SINUSES.
Treatment Outcome
Polytetrafluoroethylene
Homopolymer of tetrafluoroethylene. Nonflammable, tough, inert plastic tubing or sheeting; used to line vessels, insulate, protect or lubricate apparatus; also as filter, coating for surgical implants or as prosthetic material. Synonyms: Fluoroflex; Fluoroplast; Ftoroplast; Halon; Polyfene; PTFE; Tetron.
Kidney Failure, Chronic
The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION.
Axillary Vein
Wounds, Gunshot
Transverse Sinuses
The two large endothelium-lined venous channels that begin at the internal occipital protuberance at the back and lower part of the CRANIUM and travels laterally and forward ending in the internal jugular vein (JUGULAR VEINS). One of the transverse sinuses, usually the right one, is the continuation of the SUPERIOR SAGITTAL SINUS. The other transverse sinus is the continuation of the straight sinus.
Magnetic Resonance Angiography
Vertebral Artery
Spinal Cord Diseases
Blood Vessel Prosthesis
Tomography, X-Ray Computed
Aneurysm
Constriction, Pathologic
Coronary Vessel Anomalies
Aneurysm, False
Not an aneurysm but a well-defined collection of blood and CONNECTIVE TISSUE outside the wall of a blood vessel or the heart. It is the containment of a ruptured blood vessel or heart, such as sealing a rupture of the left ventricle. False aneurysm is formed by organized THROMBUS and HEMATOMA in surrounding tissue.
Subclavian Vein
Venous Pressure
Angiography, Digital Subtraction
A method of delineating blood vessels by subtracting a tissue background image from an image of tissue plus intravascular contrast material that attenuates the X-ray photons. The background image is determined from a digitized image taken a few moments before injection of the contrast material. The resulting angiogram is a high-contrast image of the vessel. This subtraction technique allows extraction of a high-intensity signal from the superimposed background information. The image is thus the result of the differential absorption of X-rays by different tissues.
Carotid Artery, External
Iatrogenic Disease
Ultrasonography, Doppler, Duplex
Cardiac Output, High
A state of elevated cardiac output due to conditions of either increased hemodynamic demand or reduced cardiac oxygen output. These conditions may include ANEMIA; ARTERIOVENOUS FISTULA; THYROTOXICOSIS; PREGNANCY; EXERCISE; FEVER; and ANOXIA. In time, compensatory changes of the heart can lead to pathological form of high cardiac output and eventual HEART FAILURE.
Phlebography
Blood Vessel Prosthesis Implantation
Iliac Artery
Ultrasonography, Doppler, Color
Ultrasonography applying the Doppler effect, with the superposition of flow information as colors on a gray scale in a real-time image. This type of ultrasonography is well-suited to identifying the location of high-velocity flow (such as in a stenosis) or of mapping the extent of flow in a certain region.
Brachial Artery
Splenic Vein
Retrospective Studies
Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.
Enbucrilate
Vena Cava, Inferior
Hematemesis
Digestive System Fistula
Myelography
Reoperation
Splenic Artery
Anastomosis, Surgical
Ulnar Artery
Radiography, Interventional
Diagnostic and therapeutic procedures that are invasive or surgical in nature, and require the expertise of a specially trained radiologist. In general, they are more invasive than diagnostic imaging but less invasive than major surgery. They often involve catheterization, fluoroscopy, or computed tomography. Some examples include percutaneous transhepatic cholangiography, percutaneous transthoracic biopsy, balloon angioplasty, and arterial embolization.
Wound Closure Techniques
Spinal Cord
Pia Mater
Tinnitus
A nonspecific symptom of hearing disorder characterized by the sensation of buzzing, ringing, clicking, pulsations, and other noises in the ear. Objective tinnitus refers to noises generated from within the ear or adjacent structures that can be heard by other individuals. The term subjective tinnitus is used when the sound is audible only to the affected individual. Tinnitus may occur as a manifestation of COCHLEAR DISEASES; VESTIBULOCOCHLEAR NERVE DISEASES; INTRACRANIAL HYPERTENSION; CRANIOCEREBRAL TRAUMA; and other conditions.
Treatment Failure
Oral Fistula
Follow-Up Studies
Pulmonary Veins
Dimethyl Sulfoxide
A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.
Catheterization, Central Venous
Paraparesis
Catheterization
Remission, Spontaneous
Neurologic Examination
Arteriovenous Anastomosis
Pulmonary Artery
Cranial Fossa, Middle
The compartment containing the anterior extremities and half the inferior surface of the temporal lobes (TEMPORAL LOBE) of the cerebral hemispheres. Lying posterior and inferior to the anterior cranial fossa (CRANIAL FOSSA, ANTERIOR), it is formed by part of the TEMPORAL BONE and SPHENOID BONE. It is separated from the posterior cranial fossa (CRANIAL FOSSA, POSTERIOR) by crests formed by the superior borders of the petrous parts of the temporal bones.
Postoperative Complications
Magnetic Resonance Imaging
Subclavian Artery
Tissue Adhesives
Vascular System Injuries
Injuries to blood vessels caused by laceration, contusion, puncture, or crush and other types of injuries. Symptoms vary by site and mode of injuries and may include bleeding, bruising, swelling, pain, and numbness. It does not include injuries secondary to pathologic function or diseases such as ATHEROSCLEROSIS.
Mesenteric Veins
Sinus Thrombosis, Intracranial
Formation or presence of a blood clot (THROMBUS) in the CRANIAL SINUSES, large endothelium-lined venous channels situated within the SKULL. Intracranial sinuses, also called cranial venous sinuses, include the superior sagittal, cavernous, lateral, petrous sinuses, and many others. Cranial sinus thrombosis can lead to severe HEADACHE; SEIZURE; and other neurological defects.
Punctures
Telangiectasia, Hereditary Hemorrhagic
An autosomal dominant vascular anomaly characterized by telangiectases of the skin and mucous membranes and by recurrent gastrointestinal bleeding. This disorder is caused by mutations of a gene (on chromosome 9q3) which encodes endoglin, a membrane glycoprotein that binds TRANSFORMING GROWTH FACTOR BETA.
Blood Flow Velocity
Cranial Nerve Diseases
Ischemia
Popliteal Vein
Aneurysm, Ruptured
Skull Base
Subarachnoid Hemorrhage
Bleeding into the intracranial or spinal SUBARACHNOID SPACE, most resulting from INTRACRANIAL ANEURYSM rupture. It can occur after traumatic injuries (SUBARACHNOID HEMORRHAGE, TRAUMATIC). Clinical features include HEADACHE; NAUSEA; VOMITING, nuchal rigidity, variable neurological deficits and reduced mental status.
Duodenal Diseases
Prospective Studies
Central Venous Catheters
Hemostatics
Agents acting to arrest the flow of blood. Absorbable hemostatics arrest bleeding either by the formation of an artificial clot or by providing a mechanical matrix that facilitates clotting when applied directly to the bleeding surface. These agents function more at the capillary level and are not effective at stemming arterial or venous bleeding under any significant intravascular pressure.
Iliac Aneurysm
Stents
Endovascular Procedures
Cerebral Hemorrhage
Popliteal Artery
Esophageal Atresia
Preoperative Care
Care given during the period prior to undergoing surgery when psychological and physical preparations are made according to the special needs of the individual patient. This period spans the time between admission to the hospital to the time the surgery begins. (From Dictionary of Health Services Management, 2d ed)
Therapeutic Occlusion
Cervical Vertebrae
Mesenteric Artery, Inferior
The artery supplying nearly all the left half of the transverse colon, the whole of the descending colon, the sigmoid colon, and the greater part of the rectum. It is smaller than the superior mesenteric artery (MESENTERIC ARTERY, SUPERIOR) and arises from the aorta above its bifurcation into the common iliac arteries.
Coronary Aneurysm
Intracranial Hypertension
Catheterization, Peripheral
Polyethylene Terephthalates
Acute renal impairment due to a primary aortocaval fistula is normalised after a successful operation. (1/638)
OBJECTIVES: To study renal function in patients with aortocaval fistula, before and after surgery. DESIGN: Retrospective study. MATERIAL AND METHODS: During the last 22 years nine male patients (median age 67, age range 50-72) with spontaneous aortocaval fistula in combination with AAA were operated upon. This constitutes 4% of the patients with ruptured AAA and 1.5% of all patients with AAA. RESULTS: A preoperative diagnosis of aortocaval fistula was established in three of the nine cases. The medium duration of symptoms prior to surgery was 5 days (range 4 h-14 days). The fistula was combined with an extravasating ruptured AAA in only three patients. Seven of the patients had acute renal insufficiency, with creatinine levels of in median 292 mumol (IQR 218-342). Creatinine declined to 172 mumol/l (IQR 170-313) on the fifth postoperative day in uncomplicated cases and to 86 mumol at discharge. One patient died due to multi-organ failure, whereas the other left hospital well and alive with normal renal function. CONCLUSION: Acute preoperative renal insufficiency due to an aortocaval fistula in patients with AAA is often due to venous congestion, and is normalised after successful surgery. (+info)In vitro models of intracranial arteriovenous fistulas for the evaluation of new endovascular treatment materials. (2/638)
BACKGROUND AND PURPOSE: The purpose of this study was to create and test an in vitro model of intracranial arteriovenous fistulas (AVFs) that simulates the geometry of human vasculature and allows realistic testing of devices used in endovascular therapy. METHODS: The models were derived from corrosion casts of the main cervicocranial arteries and veins obtained from two nonfixed human specimens. Wax copies of the casts were produced and combined to create complex models simulating various types of intracranial AVFs. Wax assemblies were embedded with liquid silicone solidified into transparent blocks containing, after wax evacuation, hollow reproductions of the original vascular trees. The models were connected to a pulsatile pump and their compatibility with various imaging techniques and endovascular treatment materials was evaluated. RESULTS: The models were compatible with digital subtraction angiography, CT, MR imaging, and transcranial Doppler sonography. They provided a realistic endovascular environment for the simulation of interventional neuroradiologic procedures. CONCLUSION: Anatomically accurate and reproducible in vitro models of intracranial AVFs provide a valuable method for evaluating new endovascular treatment materials and for teaching purposes. (+info)Dural arteriovenous fistula of the cervical spine presenting with subarachnoid hemorrhage. (3/638)
We describe a case of dural arteriovenous fistula (DAVF) presenting with subarachnoid hemorrhage (SAH). The diagnosis of DAVF was based on spinal angiography. A review of the literature revealed that five of 13 previously reported DAVFs of the cervical spine were accompanied by SAH. SAH has not been observed in DAVFs involving other segments of the spinal canal. (+info)Atypical pulmonary artery sling with diffuse-type pulmonary arteriovenous fistula. (4/638)
The case of a cyanotic infant with a rare combination of atypical pulmonary artery sling, imperforate anus, absence of the left kidney, interruption of the inferior vena cava, left side hemihypertrophy and diffuse-type pulmonary arteriovenous fistula is described. The clinical features were confusing, because of compounding abnormalities involving the respiratory tract and pulmonary circulation. The diagnostic approach to the etiology of cyanosis is discussed and the embryonic origin of pulmonary artery sling is reviewed. (+info)Early prenatal diagnosis of cord entanglement in monoamniotic multiple pregnancies. (5/638)
OBJECTIVES: Cord entanglement is a severe complication in monoamniotic multiple pregnancies. Three cases were reviewed to determine how early ultrasound diagnosis might improve counselling and management. METHODS: In two monoamniotic twin and one dichorionic diamniotic triplet pregnancies, cord entanglement was detected between 10 and 18 gestational weeks by color Doppler and pulsed Doppler velocimetry. Pregnancies were followed up on a weekly basis with special observation of fetal behavior and use of color Doppler velocimetry. RESULTS: In Case 1, a monoamniotic twin pregnancy with cord entanglement close to the umbilical insertions was diagnosed at 10 weeks. Longitudinal follow-up showed intrauterine death of both twins at 15 weeks. In Case 2, entanglement of the umbilical cords of two monoamniotic triplets within a dichorionic diamniotic triplet pregnancy was diagnosed at 10 weeks. The pregnancy continued uneventfully until 35 weeks when cord entanglement was confirmed at Cesarean section. All triplets have since developed normally. In Case 3, monoamniotic twins were diagnosed at 18 weeks. Color Doppler detected side-by-side insertion of the umbilical cords and Doppler velocimetry suggested an entanglement at the chorionic plate. The pregnancy was complicated by polyhydramnios. Cesarean section at 36 weeks confirmed cord entanglement at the chorionic plate. Postnatal computer angiography and morphological examination of the placenta showed the presence of superficial artery-to-artery and vein-to-vein anastomoses and of deep arteriovenous shunts. The development of the twins was uneventful. CONCLUSIONS: Diagnosis of cord entanglement is feasible early in gestation. Future protocols are proposed to document the gestational age at detection, the location, and the Doppler flow patterns and to facilitate the assessment of short- and long-term development. (+info)Multiple dural arteriovenous shunts in a 5-year-old boy. (6/638)
We describe a rare case of multiple dural arteriovenous shunts (DAVSs) in a 5-year-old boy. MR imaging performed at 1 year of age showed only a dilated anterior part of the superior sagittal sinus; however, angiography at 5 years of age revealed an infantile-type DAVS there and two other DAVSs of the adult type. The pathophysiological evolution of DAVSs in children and their treatment strategies are discussed. (+info)3D Ultrasound imaging--a useful non-invasive tool to detect AV fistulas in transplanted kidneys. (7/638)
BACKGROUND: A precise, non-invasive, non-toxic, repeatable, convenient and inexpensive follow-up of renal transplants, especially following biopsies, is in the interest of nephrologists. Formerly, the rate of biopsies leading to AV fistulas had been underestimated. Imaging procedures suited to a detailed judgement of these vascular malformations are to be assessed. METHODS: Three-dimensional (3D) reconstruction techniques of ultrasound flow-directed and non-flow-directed energy mode pictures were compared with a standard procedure, gadolinium-enhanced nuclear magnetic resonance imaging angiography (MRA) using the phase contrast technique. RESULTS: Using B-mode and conventional duplex information, AV fistulas were localized in the upper pole of the kidney transplant of the index patient. The 3D reconstruction provided information about the exact localization and orientation of the fistula in relation to other vascular structures, and the flow along the fistula. The MRA provided localization and orientation information, but less functional information. Flow-directed and non-flow-directed energy mode pictures could be reconstructed to provide 3D information about vascular malformations in transplanted kidneys. CONCLUSION: In transplanted kidneys, 3D-ultrasound angiography may be equally as effective as MRA in localizing and identifying AV malformations. Advantages of the ultrasound method are that it is cheaper, non-toxic, non-invasive, more widely availability and that it even provides more functional information. Future prospective studies will be necessary to evaluate the two techniques further. (+info)Aortocaval fistula in ruptured aneurysms. (8/638)
OBJECTIVES: to study incidence, clinical presentation and problems in management of aortocaval fistula in our series. DESIGN: retrospective study. MATERIALS: during a seven-year period, 112 patients operated on for abdominal aortic aneurysm, including four patients with aortocaval fistula. METHODS: standard repair of aortocaval fistula from inside the aneurysmal sac was the preferred operative technique. RESULTS: the incidence of aortocaval fistula was 3.6%. Three cases were found incidentally during emergency surgery for ruptured aneurysms; the fourth case was an isolated aortocaval fistula associated with inferior vena cava thrombosis, diagnosed preoperatively by angiography. In this case, inferior vena cava ligation instead of standard aortocaval repair was performed. CONCLUSIONS: Aortocaval fistulas, although rare, should be kept in mind, because clinical diagnosis is often difficult. Furthermore, unsuspected problems during repair may necessitate appropriate change in operative technique. (+info)
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Arteriovenous fistula
When the vein is large enough to allow cannulation, the fistula is defined as "mature". An arteriovenous fistula can increase ... Arteriovenous malformation Branham sign Carotid-cavernous fistula Fistula Human umbilical vein graft Pseudoaneurysm Vascular ... When an arteriovenous fistula is formed involving a major artery like the abdominal aorta, it can lead to a large decrease in ... An arteriovenous fistula is an abnormal connection or passageway between an artery and a vein. It may be congenital, surgically ...
Dural arteriovenous fistula
... simple dural arteriovenous fistulas have a single meningeal arterial supply Type Ib - more complex arteriovenous fistulas are ... A dural arteriovenous fistula (DAVF) or malformation is an abnormal direct connection (fistula) between a meningeal artery and ... Arteriovenous fistula Sundt, Thoralf M.; Piepgras, David G. (1983-07-01). "The surgical approach to arteriovenous malformations ... Type I dural arteriovenous fistulas are supplied by meningeal arteries and drain into a meningeal vein or dural venous sinus. ...
Angular vein
Cerebral Dural Arteriovenous Fistulas. Academic Press. pp. 125-134. doi:10.1016/B978-0-12-819525-3.00004-6. ISBN 978-0-12- ...
Parkes Weber syndrome
Arteriovenous malformations (AVMs) and arteriovenous fistulas (AVFs) are caused by RASA1 mutations as well. Therefore, if all ... When abnormalities such as vascular malformation, capillary arteriovenous malformations (AVMs), arteriovenous fistulas (AVFs) ... "Arteriovenous fistula, Mayo Clinic". Mayo Clinic. "capillary malformation-arteriovenous malformation syndrome, NIH Genetics ... Peripheral arteriovenous fistula: abnormal communication between artery and vein that is a direct result of the abnormal ...
Fistula
Coronary arteriovenous fistula, acquired (I28.0) Arteriovenous fistula of pulmonary vessels Pulmonary arteriovenous fistula: ... I67.1) Cerebral arteriovenous fistula, acquired (I77.0) Arteriovenous fistula, acquired (I77.2) Fistula of artery (J86.0) ... Fistula of appendix (K60) Anal and rectal fissures and fistulas (K60.3) Anal fistula (K60.5) Anorectal fistula (fecal fistula, ... A fistula (plural: fistulas or fistulae /-li, -laɪ/; from Latin fistula, "tube, pipe") in anatomy is an abnormal connection ...
Preload (cardiology)
An arteriovenous fistula can increase preload. Preload is also affected by two main body "pumps": Respiratory pump - ...
Fabian Udekwu
Traumatic aneurysms and arteriovenous fistulas in Nigeria. Clinical aspects of pulmonary and pleural carcinoma in Nigeria. ... Anyanwu, CH; Ude, AC; Swarup, AS; Umerah, BC; Udekwu, FA (August 1980). "Traumatic aneurysms and arteriovenous fistulas in ...
Carotid-cavernous fistula
It is a type of arteriovenous fistula. As arterial blood under high pressure enters the cavernous sinus, the normal venous ... CCF symptoms include bruit (a humming sound within the skull due to high blood flow through the arteriovenous fistula), ... Ong, CK; Wang, LL; Parkinson, RJ; Wenderoth, JD (2009). "Onyx embolisation of cavernous sinus dural arteriovenous fistula via ... Selective arteriography is used to evaluate arteriovenous fistulas. High resolution digital subtraction angiography may help in ...
Cerebellar veins
Surgical management of cerebral dural arteriovenous fistulas". Cerebral Dural Arteriovenous Fistulas. Academic Press. pp. 105- ... They may be the draining site of abnormal fistulas. Diagram of the arterial circulation at the base of the brain. Sagittal ...
Interventional radiology
The arteriovenous fistula (AVF) is the preferred method. Arteriovenous fistula are created surgically by directly connecting an ... An arteriovenous graft (AVG) relies on the same principle but bridges the gap between the artery and vein with a medical-grade ... Arteriovenous malformations (AVMs) are abnormal blood vessel structures in which an artery connects to a vein via an abnormal ... The Fistula First initiative works to promote physician and patient awareness about the benefits of first attempting ...
Coronary artery anomaly
Coronary arteriovenous fistulas are anomalies at the termination consisting of an anomalous connection of coronary arteries to ... such as coronary arteriovenous fistulas).[citation needed] Criteria for intervention in ACAOS-IM are: - symptoms of effort- ... Smaller fistulas are usually benign, and only severe cases can be complicated by aneurysmatic dilatation with potential ...
Aneurysmal bone cyst
Primary cause has been regarded arteriovenous fistula within bone. The lesion may arise de novo or may arise secondarily within ...
Arteriovenous malformation
"Selective Embolization of Large Symptomatic Iatrogenic Renal Transplant Arteriovenous Fistula". CardioVascular and ... "Arteriovenous Malformations". Johns Hopkins Medicine. 2022. Retrieved 26 October 2022. Arteriovenous Malformation Information ... Research trials in arterio-venous malformations; Rustam Al-Shahi Salman Archived February 17, 2012, at the Wayback Machine (CS1 ... Arteriovenous malformation is an abnormal connection between arteries and veins, bypassing the capillary system. This vascular ...
Intravenous therapy
Roca-Tey R (March 2016). "Permanent Arteriovenous Fistula or Catheter Dialysis for Heart Failure Patients". The Journal of ...
Cimino fistula
A Cimino fistula, also Cimino-Brescia fistula, surgically created arteriovenous fistula and (less precisely) arteriovenous ... The radiocephalic arteriovenous fistula (RC-AVF) is a shortcut created between cephalic vein and radial artery at the wrist. It ... Tayama K, Akashi H, Hiromatsu S, Okazaki T, Yokokura Y, Aoyagi S (February 2005). "Acquired arteriovenous fistula of the right ... March 2014). "Patency rates of the arteriovenous fistula for hemodialysis: a systematic review and meta-analysis". American ...
James J. Peters VA Medical Center
"Chronic Hemodialysis Using Venipuncture and a Surgically Created Arteriovenous Fistula". New England Journal of Medicine. 275 ( ... "Chronic Hemodialysis Using Venipuncture and a Surgically Created Arteriovenous Fistula". New England Journal of Medicine. 275 ( ... James Cimino - Developed the Cimino-Brescia fistula with Michael J. Brescia. Paul R. Cunningham - Surgeon. Later dean of Brody ... Brescia developed the Cimino-Brescia fistula. In 1985 a dedicated five storey medical research building connected to the main ...
Irving Dardik
January 1976). "Arteriovenous Fistulas Constructed With Modified Human Umbilical Cord Vein Graft". Arch Surg. 111 (1): 60-62. ...
Nicoladoni-Branham sign
In modern medicine, the sign is elicited when pressure is applied to an artery proximal to an arteriovenous fistula and said to ... June 2004). "Acute arterio-venous fistula occlusion decreases sympathetic activity and improves baroreflex control in kidney ... "Branham's sign is an exaggerated Bezold-Jarisch reflex of arteriovenous fistula". Journal of Vascular Surgery. 26 (1): 171-172 ... In an AV fistula, there is shunting of blood from the arteries directly into a vein, bypassing the capillary beds. This causes ...
Vascular malformation
Arteriovenous fistula Lymphohemangioma Telangiectasia Vascular disease Jackson, Ian T., et al. "Hemangiomas, vascular ... Arteriovenous malformations occur between an artery and a vein. In the brain a cerebral arteriovenous malformation causes ... Those involving the mix of vessels are known as cerebral arteriovenous malformations (AVMs or cAVMs). The arteriovenous type is ... There are also malformations that are of mixed-flow involving more than one type of vessel, such as an arteriovenous ...
Moyamoya disease
At least one case of simultaneous unilateral moyamoya syndrome and ipsilateral dural arteriovenous fistula has been reported at ... investigations have established that both moyamoya disease and arteriovenous fistulas (AVFs) of the lining of the brain, the ... "Simultaneous unilateral moyamoya disease and ipsilateral dural arteriovenous fistula: case report". Neurosurgery. 62 (6): E1375 ...
Interventional oncology
Barney Brooks, The Treatment of Traumatic Arteriovenous Fistula, Southern Medical Journal. 01/1930; 23(2):100-106. Bown SG ( ... of a carotid-cavernous fistula); described by Brooks. 1960s - Radioisotopes such as Yttrium-90 (Y90) started to be investigated ...
Failed back syndrome
Linton R. R.; White P. D. (1945). "Arteriovenous Fistula Between The Right Common Iliac Artery And The Inferior Vena Cava". ...
Diffuse capillary malformation with overgrowth
Fast-flow vascular malformations consist of arterial malformations, arteriovenous fistulae and arteriovenous malformations. ...
Karin Morisaki
Morisaki was diagnosed with a spinal arteriovenous fistula shortly after she was born. The condition caused paraplegia. ...
Vascular access
AV (arteriovenous) fistulas are recognized as the preferred access method. To create a fistula, a vascular surgeon joins an ... an arteriovenous fistula (AV) or a synthetic graft. In the latter two, needles are used to puncture the graft or fistula each ... the arteriovenous fistula. In spite of AV Fistula being one of the most preferred methods of Vascular access, the researchers ... fistula'), the forearm (usually a radiocephalic fistula, or so-called Brescia-Cimino fistula, in which the radial artery is ...
Confluence of sinuses
The confluence of sinuses may be affected by arteriovenous fistulas. This is treated with surgery to embolise of the fistula. ... It may be affected by arteriovenous fistulas, a thrombus, major trauma, or surgical damage, and may be imaged with many ...
Superior petrosal sinus
The superior petrosal sinus may be affected by an arteriovenous malformation or arteriovenous fistula. Most do not resolve by ... They may be affected by arteriovenous malformation or arteriovenous fistula, usually treated with surgery. The superior ... "Endovascular Treatment for Dural Arteriovenous Fistulae of the Superior Petrosal Sinus". Neurosurgery. 53 (1): 25-33. doi: ...
Vascular access steal syndrome
... such as an arteriovenous fistula or synthetic vascular graft-AV fistula) that was installed to provide access for the inflow ... Anderson CB, Groce MA (1975). "Banding of arteriovenous dialysis fistulas to correct high-output cardiac failure". Surgery. 78 ... the fistula is ligated, and a new fistula is created in a more proximal location in the same limb, or in the contralateral limb ... DASS occurs in about 1% of AV fistulas and 2.7-8% of PTFE grafts. Within the contexts of nephrology and dialysis, vascular ...
Penetrating trauma
... and arteriovenous fistulas. The prognosis for penetrating head injuries varies widely. Penetrating facial trauma can pose a ...
Distal Revascularization and Interval Ligation
Schanzer H, Schwartz M, Harrington E, Haimov M (1988). "Treatment of ischemia due to "steal" by arteriovenous fistula with ...
List of ICD-9 codes 390-459: diseases of the circulatory system
447 Other disorders of arteries and arterioles 447.0 Arteriovenous fistula acquired 448 Disease of capillaries 449 Septic ... 416.9 Chronic pulmonary heart disease unspecified 417 Other diseases of pulmonary circulation 417.0 Arteriovenous fistula of ...
Claude Franceschi
In 1980 he described the Fistula Flow Ratio (French 'RDF') to assess the flow of arteriovenous fistulas, especially in renal ...
List of diseases (C)
... aneurysms of the great vessels Congenital antithrombin III deficiency Congenital aplastic anemia Congenital arteriovenous shunt ... Cornelia de Lange syndrome Corneodermatoosseous syndrome Coronal synostosis syndactyly jejunal atresia Coronaro-cardiac fistula ... rigidity Congenital benign spinal muscular atrophy dominant Congenital brain disorder Congenital bronchobiliary fistula ...
AVF
... a volcanic field in New Zealand Australian Volleyball Federation Arteriovenous fistula, a connection between an artery and a ...
Chronic venous insufficiency
Arteriovenous fistula (an abnormal connection or passageway between an artery and a vein) may cause chronic venous ...
Balaji Sadasivan
"Balloon embolization of nontraumatic vertebral arteriovenous fistulae in children", Surgical Neurology, 32 (2): 126-130, doi: ... Malik, Ghaus M.; Sadasivan, Balaji; Knighton, Robert S.; Ausman, James I. (1991), "The management of arteriovenous ...
Vertebral hemangioma
... and spinal dural arteriovenous fistula. Treatment for VHs normally only takes place if a patient presents with neurological ...
List of skin conditions
Arteriovenous fistula Benign neonatal hemangiomatosis Branchial cyst (branchial cleft cyst) Bronchogenic cyst Capillary ... congenital auricular fistula, congenital preauricular fistula, preauricular cyst) Rapidly involuting congenital hemangioma ( ... inflammatory arteriovenous hemangioma, intravenous atypical vascular proliferation, papular angioplasia, pseudopyogenic ...
Foix-Alajouanine syndrome
... due to intradural arteriovenous fistula of the filum terminale fed by anterior spinal artery: Case report and review of ... A spinal MRA will serve as a superior imaging technique to visualize the extent of the arteriovenous malformation within the ... In particular, most cases involve dural arteriovenous malformations that present in the lower thoracic or lumbar spinal cord. ... Foix-Alajouanine syndrome, also called subacute ascending necrotizing myelitis, is a disease caused by an arteriovenous ...
Anastomosis
... such as an arteriovenous fistula) or innate (such as the arteriovenous shunt of a metarteriole); and it may be natural (such as ... Traumatic intestinal fistulas usually occur between two loops of intestine (entero-enteric fistula) or intestine and skin ( ... These are usually referred to as fistulas. In the cases of veins or arteries, traumatic fistulas usually occur between artery ... Anastomoses that are abnormal, whether congenital or acquired, are often called fistulas. The term is used in medicine, biology ...
Surgical anastomosis
An anastomosis connecting an artery to a vein is also used to create an arteriovenous fistula as an access for hemodialysis. ...
Venous translucence
Arteriovenous malformation of the head and neck: natural history and management. Plast Reconstr Surg 1988; 102: 643-654. ... When an arterial-venous fistulae is transluminated, there are few reflected images because flow velocity is higher and sanguine ...
Collapsing pulse
Valsalva Syndromes or high-output states Anemia Cor pulmonale Cirrhosis of liver Beriberi Thyrotoxicosis Arteriovenous fistula ...
Acroangiodermatitis
Dapsone combined with leg elevation and compression, and erythromycin for HD patients with AV fistulas have also been reported ... It is associated with amputees, haemodialysis (HD) patients with arteriovenous (AV) shunts, and patients with paralysed legs, ...
Volume overload
... left atrial volume overload Arteriovenous malformation and fistula Giant hepatic haemangioma High-output haemodialysis fistula ... or it may be high due to shunting of blood in left-to-right shunts and arteriovenous malformations.[citation needed] Left ...
List of ICD-9 codes 740-759: congenital anomalies
... of ear 744.22 Macrotia 744.23 Microtia 744.3 Unspecified congenital anomaly of ear 744.4 Branchial cleft cyst or fistula; ... pulmonary artery 747.4 Congenital anomalies of great veins 747.5 Absence or hypoplasia of umbilical artery 747.6 Arteriovenous ... anomalies of tongue 750.2 Other specified congenital anomalies of mouth and pharynx 750.3 Congenital tracheoesophageal fistula ...
Daoud Hanania
81-84, May 1968). D. Hanania, Y. Goussous and S. Saheb, "Congenital Arterio-Venous Fistula of the Kidney", Jordan Medical ...
Hemodialysis
Three primary methods are used to gain access to the blood for hemodialysis: an intravenous catheter, an arteriovenous fistula ... The tube is connected to a 15, 16, or 17 gauge needle inserted in the dialysis fistula or graft, or connected to one port of a ... Patients may have multiple access procedures, usually because an AV fistula or graft is maturing and a catheter is still being ... He reported this first in 1948 where he used such an arteriovenous shunt in rabbits. Subsequently, he used such shunts, made of ...
Coronary steal
Coronary arteriovenous fistula between coronary artery and another cardiac chamber, like, the coronary sinus, right atrium, or ...
List of MeSH codes (C23)
... vascular fistula MeSH C23.300.575.950.150 - arterio-arterial fistula MeSH C23.300.575.950.250 - arteriovenous fistula MeSH ... oral fistula MeSH C23.300.575.500.275 - dental fistula MeSH C23.300.575.500.550 - oroantral fistula MeSH C23.300.575.500.775 - ... digestive system fistula MeSH C23.300.575.185.150 - biliary fistula MeSH C23.300.575.185.250 - esophageal fistula MeSH C23.300. ... gastric fistula MeSH C23.300.575.185.550 - intestinal fistula MeSH C23.300.575.185.550.600 - rectal fistula MeSH C23.300. ...
Barry A. Love
Tabori, NE; Love, BA (June 2008). "Transcatheter occlusion of pulmonary arteriovenous malformations using the Amplatzer ... "A case of symptomatic coronary artery fistula". Nature Clinical Practice Cardiovascular Medicine. 3 (12): 689-692. doi:10.1038/ ...
Cimino
... (plural cimini) may refer to Cimino (surname) Cimino family in Italy Cimino fistula, an arteriovenous fistula Soriano ...
Superior ophthalmic vein
When arteriovenous fistula affects the cavernous sinus, blood flow may occur backwards in the superior ophthalmic vein. This ... It may also be affected by an arteriovenous fistula of the cavernous sinus, treated with embolization. The superior ophthalmic ...
Pulmonary arteriovenous fistula: MedlinePlus Medical Encyclopedia
Pulmonary arteriovenous fistula is an abnormal connection between an artery and vein in the lungs. As a result, blood passes ... Pulmonary arteriovenous fistula is an abnormal connection between an artery and vein in the lungs. As a result, blood passes ... Pulmonary arteriovenous fistulas are usually the result of abnormal development of the blood vessels of the lung. Most occur in ... When arteriovenous fistulas are caused by liver disease, the treatment is a liver transplant. ...
Orbital Arteriovenous Fistula
Diagnosis: Right orbital arteriovenous fistula. Discussion: Arteriovenous fistulas (AVFs) in the orbit are quite rare, and most ... Arteriovenous fistulas develop from a single communication between an artery and a vein. Because the bypass of capillary beds ... Clinical findings in a patient with spontaneous arteriovenous fistulas of the orbit. Am J Ophthalmol, 127 (1999), pp. 736-737. ... Intraorbital arteriovenous malformation: case report. Surg Neurol, 40 (1993), pp. 320-325. 2. B.H. Hayes, J.W. Shore,. C.T. ...
Cerebral dural arteriovenous fistulas: detection by dynamic MR projection angiography
Massive pulmonary arteriovenous fistula in the newborn. | Heart
Arteriovenous fistula
I77.0 - Arteriovenous fistula, acquired. SNOMEDCT:. 439470001 - Arteriovenous Fistula. Differential Diagnosis & Pitfalls. * ... An arteriovenous fistula is an abnormal connection between arteries and veins that may be congenital, surgically induced for ... Congenital arteriovenous fistulas in the brain may be associated with abnormalities of the vein of Galen. Acquired forms ... There is a focal region of color in the lower pole with low resistance spectral waveform, consistent with arteriovenous fistula ...
Arteriovenous Fistulae of the CNS | American Journal of Neuroradiology
Arteriovenous Fistulae of the CNS. American Journal of Neuroradiology September 2001, 22 (8 suppl) S22-S25; ... Carotid Cavernous Fistulae. Fistulae occurring between major cerebral arteries and/or their branches, which drain directly or ... Arterial in-flow to the fistula is disconnected from the superior ophthalmic vein by packing the CS between the fistula and the ... although many principles of the treatment of fistulae with cerebral components also apply to the treatment of all fistulae. ...
Now you see it, now you don't-the hidden life of cerebral dural arteriovenous fistulae | SpringerLink
Now you see it, now you dont-the hidden life of cerebral dural arteriovenous fistulae. *Gabriele Brasse1,2, ... Meckel S, Meyer M, San Millan Ruiz D et al (2007) MR angiography of dural arteriovenous fistulas: diagnosis and follow-up after ... Kwon BJ, Han MH, Kang HS et al (2005) MR imaging of intracranial dural arteriovenous fistulas: relations with venous drainage ... Luciani A, Houdart E, Mounayer C et al (2001) Spontaneous closure of dural arteriovenous fistulas: report of three cases and ...
Iatrogenic Arteriovenous Fistula of Subclavian Artery to Vertebral Vein with Perimedullary Vein Reflux
Neurosurgical Treatment of Spinal Arterio-Venous Fistulas | Science Lab | Leica Microsystems
Dorsal Intradural Arterio-Venous Fistulas [1,2,3]. Dorsal intradural arterio-venous fistulas are a rare condition. The ... Extradural arterio-venous fistulas, for which the treatment is usually non-surgical. *Dorsal intradural arterio-venous fistulas ... Neurosurgical Treatment of Spinal Arterio-Venous Fistulas An overview of surgical approaches About the webinar. Spinal arterio- ... Learn about spinal arterio-venous fistulas, classification and epidemiology. *Understand the treatment of spinal arterio-venous ...
SciELO - Brazil - Primary antiphospholipid syndrome in a hemodialysis patient with recurrent thrombosis of arteriovenous...
The patient had multiple arteriovenous fistulas that failed due to thrombosis. The obstetrical morbidity was defined by one ... Primary antiphospholipid syndrome in a hemodialysis patient with recurrent thrombosis of arteriovenous fistulas ... Primary antiphospholipid syndrome in a hemodialysis patient with recurrent thrombosis of arteriovenous fistulas ... and recurrent thrombosis of arteriovenous fistulas (AVFs).. She had a miscarriage at 7th week of gestation in October 2015. CKD ...
Dural arteriovenous fistulas masquerading as dural sinus thrombosis<...
Dural arteriovenous fistulas masquerading as dural sinus thrombosis. Scott Simon, Tom Yao, Arthur J. Ulm, Benjamin P. Rosenbaum ... Dural arteriovenous fistulas masquerading as dural sinus thrombosis. / Simon, Scott; Yao, Tom; Ulm, Arthur J. et al. ... Dural arteriovenous fistulas masquerading as dural sinus thrombosis. In: Journal of neurosurgery. 2009 ; Vol. 110, No. 3. pp. ... Dural arteriovenous fistulas masquerading as dural sinus thrombosis. Journal of neurosurgery. 2009 Mar;110(3):514-517. doi: ...
Transcranial approach for venous embolization of dural arteriovenous fistulas in: Journal of Neurosurgery Volume 97 Issue 2 ...
In all cases, the fistula could not be accessed from the IJVs. Craniectomy was performed in an operating room and, in seven ... Angiographic confirmation that embolization of the fistula was successful was obtained in all cases. A transient complication ... Access to the fistula via the internal jugular vein (IJV) may be limited by associated dural sinus thrombosis; a transcranial ... Transvenous embolization is effective in the treatment of an intracranial dural arteriovenous fistula (DAVF). ...
Effects of Stenosis Geometry on Flow in Arteriovenous Fistula Patients | FEDSM | ASME Digital Collection
Effects of Stenosis Geometry on Flow in Arteriovenous Fistula Patients Jeff Krampf, Jeff Krampf ... Krampf, J, Agarwal, R, & Shenoy, S. "Effects of Stenosis Geometry on Flow in Arteriovenous Fistula Patients." Proceedings of ... after creation of an arteriovenous fistula (AVF). Stenosis is the leading cause of failure in AVF creation and maturation. A ... The data collected here shows under which flow conditions different stenosis geometries can result in a failed fistula, as well ...
Pseudo-Kaposi's Sarcoma of the Hand Associated With an Acquired, Iatrogenic Arteriovenous Fistula<...
Pseudo-Kaposis Sarcoma of the Hand Associated With an Acquired, Iatrogenic Arteriovenous Fistula. / Goldblum, Orin M.; Kraus, ... Pseudo-Kaposis Sarcoma of the Hand Associated With an Acquired, Iatrogenic Arteriovenous Fistula. Archives of Dermatology. ... N2 - • Pseudo-Kaposis sarcoma has been associated, in most cases, with an underlying congenital arteriovenous (AV) fistula. A ... AB - • Pseudo-Kaposis sarcoma has been associated, in most cases, with an underlying congenital arteriovenous (AV) fistula. A ...
"A sacral filum terminale arteriovenous fistula fed by a left T9 artery" by Kareem El Naamani, Rawad Abbas et al.
The patient underwent successful laminectomy of L5-S1 and clipping of the filum terminale arteriovenous fistula. ... raised suspicion for a possible dural arteriovenous fistula. Diagnostic Digital Subtraction Angiography (DSA) showed a filum ... terminale arterio venous fistula (AVF) fed by the left T9 from the anterior spinal artery of Adamkiewicz all the way down to ... Diagnostic Digital Subtraction Angiography (DSA) showed a filum terminale arterio venous fistula (AVF) fed by the left T9 from ...
Comparison of classical and non-classical cardiovascular risk factors influencing the patency of native arteriovenous fistulas...
Flow control techniques for Onyx embolization of intracranial dural arteriovenous fistulae | Journal of NeuroInterventional...
Nongalenic Arteriovenous Fistulas
Read about the history of nongalenic cerebral arteriovenous fistula treatment, including surgery and interventional ... Arteriovenous fistulas consist of a direct high-flow connection between an artery and a vein without an intervening nidus.[1,8, ... Nongalenic Arteriovenous Fistulas: History of Treatment and Technology. Kristen Upchurch, MD; Lei Feng, MD, PhD; Gary R. ... Nongalenic cerebral arteriovenous fistulas (AVFs) are uncommon, high-flow vascular lesions first treated by Walter Dandy and ...
Luminal pressure gradient and risk of arteriovenous fistula nonmaturation<...
title = "Luminal pressure gradient and risk of arteriovenous fistula nonmaturation",. abstract = "While arteriovenous fistula ( ... Luminal pressure gradient and risk of arteriovenous fistula nonmaturation. Chi Heng Kuo, Te I. Chang, Cheng Hsien Chen, Chun ... Luminal pressure gradient and risk of arteriovenous fistula nonmaturation. / Kuo, Chi Heng; Chang, Te I.; Chen, Cheng Hsien 等. ... While arteriovenous fistula (AVF) nonmaturation is a major issue of hemodialysis care, an effective treatment to improve AVF ...
IMSEAR at SEARO: Coronary arteriovenous fistula.
Vascular remodelling due to haemodynamics, in an arteriovenous fistula
The primary aim of this thesis was to develop a fundamental understanding of the arteriovenous fistula maturation and the ... Current clinical surveillance was shown to be inadequate for identifying a failing arteriovenous fistula, and highlighted the ... Arteriovenous fistula creation is the preferred vascular access for haemodialysis therapy, but has a large failure rate in the ... Arteriovenous fistula creation is the preferred vascular access for haemodialysis therapy, but has a large failure rate in the ...
Idiopathic splenic arteriovenous fistula without splenic artery aneurysm<...
title = "Idiopathic splenic arteriovenous fistula without splenic artery aneurysm",. abstract = "Splenic arteriovenous fistula ... Idiopathic splenic arteriovenous fistula without splenic artery aneurysm」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。 ... Idiopathic splenic arteriovenous fistula without splenic artery aneurysm. Shigeshi Ono, Hideaki Obara, Masayuki Shimoda, Yuko ... Idiopathic splenic arteriovenous fistula without splenic artery aneurysm. BMJ case
Arteriovenous Fistulas and Malformations Differential Diagnoses
encoded search term (Arteriovenous Fistulas and Malformations) and Arteriovenous Fistulas and Malformations What to Read Next ... Arteriovenous Fistulas and Malformations Differential Diagnoses. Updated: Nov 15, 2021 * Author: Sateesh C Babu, MD; Chief ... Factors affecting the patency of arteriovenous fistulas for dialysis access. J Vasc Surg. 2012 Mar. 55 (3):849-55. [QxMD ... Differential diagnosis of arteriovenous fistula (AVF) includes other conditions that may cause hyperdynamic circulation ( ...
IMSEAR at SEARO: Isolated congenital coronary arteriovenous fistula.
Isolated congenital coronary arteriovenous fistula.. Authors: Chopra, V. Saxena, A. Kothari, S S. Juneja, R. Sharma, S. Rajani ... During the last eight years a total of nine cases of isolated congenital coronary arteriovenous fistula (CAVF) have been ... Isolated congenital coronary arteriovenous fistula. Indian Journal of Pediatrics. 2000 Sep; 67(9): 661-4. ... Surgical ligation of fistula was done in four cases and two patients underwent coil embolisation of fistula. Follow-up is ...
Dural arteriovenous fistula: CT appearance case report and review<...
title = "Dural arteriovenous fistula: CT appearance case report and review",. abstract = "Images of dural arteriovenous fistula ... Dural arteriovenous fistula : CT appearance case report and review. / Nakagawa, Minoru; Sugiu, Kenji; Tokunaga, Koji et al. ... Dural arteriovenous fistula: CT appearance case report and review. Minoru Nakagawa, Kenji Sugiu, Koji Tokunaga, Kenjiro ... Dural arteriovenous fistula : CT appearance case report and review. In: Neurosurgery Quarterly. 2009 ; Vol. 19, No. 1. pp. 46- ...
ESC 365 - Percutaneous closure of coronary arteriovenous fistulae.
Arteriovenous Fistula - WikiVet English
Arteriovenous Fistula. From WikiVet English. Revision as of 14:45, 1 July 2010 by Bara. (talk , contribs) (New page: === ... The consequences of an arteriovenous fistula are the following: 1. Increased blood return to the right heart raises cardiac ... As the name implies, an arteriovenous fistula is an abnormal direct connection between an artery and a vein. This connection ... an arteriovenous fistula is an abnormal direct connection between an artery and a vein. This connection causes the capillary ...
EmbolizationCongenitalAneurysmAVFsMalformationDialysisEndovascularDAVFArterio-venous fistulaeThrombosisIatrogenic Arteriovenous FistulaVeinSurgicalAngiographyComplicationDural arterio-venousIMSEAR at SEAROCoronary arteriovenousPatientsDiagnosisPulmonaryClinicalMaturationSymptomsMalformations of the spinal cordSurgeryComplicationsBlood flowsLesionsVeins1966DifferentialSpinal CordArteriovenosaAVMsIntraduralCavernous sinusTreatment
Embolization7
- For most people with fistulas, the treatment of choice is to block the fistula during an arteriogram (embolization). (medlineplus.gov)
- Transvenous embolization is effective in the treatment of an intracranial dural arteriovenous fistula (DAVF). (thejns.org)
- Angiographic confirmation that embolization of the fistula was successful was obtained in all cases. (thejns.org)
- The case is presented to draw attention to the rare formation of a syrinx in a spinal dural arteriovenous fistula and its disappearance after successful embolization. (neurointervention.org)
- The advantages of having a hybrid OR and a highly trained team of surgeons are clearly evident in the case study below, highlighting one patient whose dural arteriovenous fistula (dAVF) could not be completely embolized using standard endovascular embolization. (uvaphysicianresource.com)
- The UVA neurosurgical team performed a partial endovascular embolization of the portion of the fistula served by the left occipital artery, but was unable to navigate a portion of the middle meningeal artery with a microcatheter. (uvaphysicianresource.com)
- Post-embolization imaging reveals no filling of the fistula and no venous drainage. (uvaphysicianresource.com)
Congenital9
- An arteriovenous fistula is an abnormal connection between arteries and veins that may be congenital, surgically induced for hemodialysis or as a rare complication from cardiac catheterization, or acquired from traumatic penetrating injury, infection, or malignancy. (logicalimages.com)
- Congenital arteriovenous fistulas in the brain may be associated with abnormalities of the vein of Galen. (logicalimages.com)
- Pseudo-Kaposi's sarcoma has been associated, in most cases, with an underlying congenital arteriovenous (AV) fistula. (elsevier.com)
- Pseudo-Kaposi's sarcoma occurs in association with underlying congenital and acquired AV fistulas. (elsevier.com)
- Splenic arteriovenous fistula (SAVF) without a splenic arterial aneurysm is a rare entity and may either be congenital or acquired. (elsevier.com)
- Congenital arteriovenous malformations: tailored embolotherapy. (medscape.com)
- During the last eight years a total of nine cases of isolated congenital coronary arteriovenous fistula (CAVF) have been diagnosed at our centre. (who.int)
- Spinal pial arteriovenous fistulas (spAVFs) are believed to be congenital lesions, and the development of a de novo spAVF has not been previously described. (elsevier.com)
- To be born with an arteriovenous fistula (congenital). (removingvaricoseveins.com)
Aneurysm1
- An A-V fistula usually leads to the formation of a dilated sac-like connection, arteriovenous aneurysm. (bvsalud.org)
AVFs5
- Arteriovenous fistulas (AVFs) in the orbit are quite rare, and most are part of facial arteriovenous malformations. (diagnosticimaging.com)
- Nongalenic cerebral arteriovenous fistulas (AVFs) are uncommon, high-flow vascular lesions first treated by Walter Dandy and his colleagues by using open surgery with ligation of the feeding artery. (medscape.com)
- Sanjay Misra (Rochester, USA) talks to Interventional News about his research into whether stem cell therapy can help AVFs (arteriovenous fistulas) mature and also prevent venous. (venousnews.com)
- Background: Nearly 30% of arteriovenous fistulas (AVFs) located in the upper extremity for hemodialysis access result in short-and long-term adverse effects, such as rupture, necessitating emergent surgical management and extensive soft-tissue reconstruction. (elsevier.com)
- A significant number of arteriovenous fistulas (AVFs) fail to maturate for dialysis . (bvsalud.org)
Malformation3
- Intraorbital arteriovenous malformation: case report. (diagnosticimaging.com)
- Management of orbital and periorbital arteriovenous malformation. (diagnosticimaging.com)
- Dural arteriovenous fistulae (DAVFs) are a rare form of intracranial arteriovenous malformation. (ox.ac.uk)
Dialysis7
- Factors affecting the patency of arteriovenous fistulas for dialysis access. (medscape.com)
- Arteriovenous fistulas are often surgically made for use in dialysis in people with severe kidney disease. (removingvaricoseveins.com)
- Your doctor will monitor your arteriovenous fistula in case you have one on dialysis. (removingvaricoseveins.com)
- People with late-stage kidney failure may have an arteriovenous fistula that was surgically placed in the forearm to facilitate dialysis. (removingvaricoseveins.com)
- Among CKD patients, 33.5-77.4% require a central venous catheter (CVC) before dialysis through a fistula. (ijms.info)
- Of the 104 patients, 57% were male, 73% were older than 45 years, 87% were of middle and low socioeconomic status, 70% had been on dialysis for more than 1 year, 74% had arteriovenous fistula vascular access, 34% had diabetes and 48% were positive for hepatitis virus. (who.int)
- After that, the dialysis needles can be put into the fistula. (kaiserpermanente.org)
Endovascular5
- The primary treatment is often endovascular because of the feasibility of catheterizing the lesion directly and placing embolic material directly at the site of the abnormal arteriovenous connection. (ajnr.org)
- Ethanol endovascular management of brain arteriovenous malformations: initial results. (medscape.com)
- Endovascular treatment combined with emboloscleorotherapy for pelvic arteriovenous malformations. (medscape.com)
- Endovascular arteriovenous fistula (endoAVF) creation is a novel, minimally invasive alternative to traditional surgical AV fistula (sAVF) creation in up to 60% of patients. (scvs.org)
- Vascular Surgery is a surgical specialty dealing with disorders of the blood open surgery like bypass procedures or endovascular and endovenous (Laser or Vascular access procedures like creation of arterio-venous fistulae (AVF), Surgery is necessary to cure an anal Fistula. (drjitenchowdhry.com)
DAVF3
- Images of dural arteriovenous fistula (DAVF) on computed tomography (CT) are usually normal when no hemorrhages have occurred from the DAVF. (elsevier.com)
- Dural sinus arteriovenous fistula (DAVF) is rare lesion, and presents its symptoms related with the site and venous drainage route. (world-sci.com)
- A dural arteriovenous fistula (dAVF) can pose a high risk of spontaneous bleeding. (uvaphysicianresource.com)
Arterio-venous fistulae1
- This is only the second reported case of diffuse pulmonary arterio-venous fistulae with Fanconi anaemia. (altmetric.com)
Thrombosis5
- The patient had multiple arteriovenous fistulas that failed due to thrombosis. (scielo.br)
- Thrombophilias are inherited or acquired predispositions to vascular thrombosis and have been associated with thrombosis of the arteriovenous fistula. (scielo.br)
- The authors report dural sinus thrombosis diagnosed in 2 patients based on noninvasive imaging results, which were revealed to be dural arteriovenous fistulas (DAVFs) diagnosed using digital subtraction (DS) angiography. (elsevier.com)
- An arteriovenous fistula in your legs can cause blood clots to form, which can potentially lead to deep vein thrombosis, a painful and potentially life-threatening condition if the clot gets into your lungs (pulmonary embolism). (removingvaricoseveins.com)
- Secondary end points included the single components of the primary end point, new-onset or recurrence of atrial fibrillation, hospitalizations for symptomatic fluid overload, thrombosis or stenosis of the arteriovenous fistula, and changes in cardiac mass index. (elsevier.com)
Iatrogenic Arteriovenous Fistula1
- Iatrogenic arteriovenous fistula (AVF) rarely develops around the proximal subclavian artery, although open surgical repair of this etiology is known to be complicated as deep dissection is required around the fistula surrounded by dilated veins. (go.jp)
Vein15
- Pulmonary arteriovenous fistula is an abnormal connection between an artery and vein in the lungs. (medlineplus.gov)
- Arteriovenous fistulas develop from a single communication between an artery and a vein. (diagnosticimaging.com)
- In the presence of an arteriovenous shunt in the CS, flow becomes reversed in the orbital veins and is then directed in a sinofugal fashion toward communicating channels, including anteriorly toward the superior ophthalmic vein. (ajnr.org)
- Arteriovenous fistulas consist of a direct high-flow connection between an artery and a vein without an intervening nidus. (medscape.com)
- contribs ) (New page: ===Description=== *As the name implies, an arteriovenous fistula is an abnormal direct connection between an artery and a vein. (wikivet.net)
- Autologous arteriovenous fistula (AVF), a connection of an artery to a vein, is the preferred vascular access in end-stage renal disease patients who require hemodialysis because of its good long-term patency, evading the risk of central venous catheter-related complications, and a lower rate of complications compared to artificial graft [1-3]. (fortunejournals.com)
- AVF maturation increases blood flow through the anastomosing artery and outflow vein with vein wall thickness and dilation to allow the use of the fistula for hemodialysis [1]. (fortunejournals.com)
- Maturation failure is characterized by narrowing or inadequate dilation and inadequate blood flow in the outflow vein which renders the fistula not useful for hemodialysis after initial adequate blood flow upon AVF creation. (fortunejournals.com)
- Initial inflammation and local hypoxia caused by surgical trauma to the artery and vein during fistula creation and then systemic inflammation play a crucial role in regulating AVF maturation and its failure. (fortunejournals.com)
- An Arteriovenous Fistula is an abnormal connection or passage way between the artery and a vein. (removingvaricoseveins.com)
- In an arteriovenous fistula, blood flows directly from an artery into a vein, bypassing some capillaries. (removingvaricoseveins.com)
- An arteriovenous fistula can occur when you have a piercing injury, such as a gunshot or stab wound, to a part of your body where the vein and artery are next to each other. (removingvaricoseveins.com)
- Among these modified arteriovenous fistula (AVF), the reverse brachiocephalic fistula (rBC), in which the median cubital vein is isolated as close to the basilic vein as possible, then anastomosed end to side to the brachial artery. (sch.ac.kr)
- There are three principle forms of vascular access available for the treatment of children with end stage kidney disease (ESKD) by haemodialysis: tunnelled catheters placed in a central vein (central venous lines, CVLs), arteriovenous fistulas (AVF), and arteriovenous grafts (AVG) using prosthetic orbiol. (bvsalud.org)
- AV fistula: To make a fistula, a doctor will connect an artery to a vein, usually in your arm. (kaiserpermanente.org)
Surgical4
- Many fistulas repair spontaneously and only require observation, but surgical repair or ultrasound-guided compression is indicated for symptomatic patients. (logicalimages.com)
- Surgical ligation of fistula was done in four cases and two patients underwent coil embolisation of fistula. (who.int)
- Surgical ligation of fistula is safe in older patients, non-surgical embolisation using coils may be an alternative to surgery in selected cases. (who.int)
- Surgical Experiences on Arteriovenous Fi. (bozok.edu.tr)
Angiography2
- Diagnostic Digital Subtraction Angiography (DSA) showed a filum terminale arterio venous fistula (AVF) fed by the left T9 from the anterior spinal artery of Adamkiewicz all the way down to the fistulous point at L5-S1. (jefferson.edu)
- Accuracy of four-dimensional CT angiography in detection and characterisation of arteriovenous malformations and dural arteriovenous fistulas. (medscape.com)
Complication5
- Fistulas also can be a complication of liver disease or lung injury, although these causes are much less common. (medlineplus.gov)
- Arteriovenous (A-V) fistula is a rare complication of cardiac catheterization, 1-5 occurring in 0.01 to 0.02% of cases. (elsevier.com)
- This is the most serious complication of large arteriovenous fistulas . (removingvaricoseveins.com)
- Interscapular pharyngocutaneous fistula: an extreme complication of cervical stabilization surgery. (ankaravertigo.com)
- Epithelioid angiosarcoma arising in a surgically constructed arteriovenous fistula: a rare complication of chronic immunosuppression in the setting of renal transplantation. (bvsalud.org)
Dural arterio-venous1
- In addition, it is important to distinguish low flow and high flow dural arterio-venous fistulas, which have different pathomechanisms and clinical symptoms. (leica-microsystems.com)
IMSEAR at SEARO1
- IMSEAR at SEARO: Coronary arteriovenous fistula. (who.int)
Coronary arteriovenous2
- Coronary arteriovenous fistula. (who.int)
- Percutaneous closure of coronary arteriovenous fistulae. (escardio.org)
Patients12
- Halbach et al (5) reported pulse synchronous bruit in approximately 50% of patients with dural fistulae involving the CS. (ajnr.org)
- This focus of this study is to understand the relationship between the fluid properties present in and the geometric parameters of stenoses developed in end-stage renal disease (ESRD) patients, after creation of an arteriovenous fistula (AVF). (asme.org)
- A fistula is meant to provide an access point for hemodialysis treatment necessary for ESRD patients, but large failure rates in fistula creation and maturation cause reoccurring problems for patients and a disproportionately high amount of spending on ESRD patient care. (asme.org)
- Brinjikji W, Nasr DM, Morris JM, Rabinstein AA, Lanzino G. Clinical Outcomes of Patients with Delayed Diagnosis of Spinal Dural Arteriovenous Fistulas. (medscape.com)
- 2,3 This report reviews the course of 5 patients who developed A-V fistulas. (elsevier.com)
- Many modifications have been designed for patients in whom unsatisfactory for fistula formation. (sch.ac.kr)
- Many patients (33-51%) use a CVC regardless of AVF creation due to fistula immaturity or failure. (ijms.info)
- 16% of American hemodialysis patients use a fistula compared to 72% of German patients. (ijms.info)
- RÉSUMÉ L'existence d'une maladie rénale chronique nécessite la mise en place d'une thérapie de remplacement rénal à vie, ce qui peut grandement impacter la qualité de vie des patients. (who.int)
- Au total, 104 patients atteints de maladie rénale en phase terminale et sous hémodialyse ont été inclus à l'étude. (who.int)
- Sur les 104 patients, 57 % étaient des hommes, 73 % étaient âgés de plus de 45 ans, 87 % étaient issus de milieux socio-économiques moyen et faible, 70 % étaient sous dialyse depuis plus d'un an, 74 % disposaient d'un abord vasculaire de type fistule artério-veineuse, 34 % souffraient de diabète et 48 % avaient contracté le virus de l'hépatite. (who.int)
- Late presentations of false aneurysms and arteriovenous fistulae were seen in 40.4patients. (bvsalud.org)
Diagnosis1
- Differential diagnosis of arteriovenous fistula (AVF) includes other conditions that may cause hyperdynamic circulation (increased heart rate, increased cardiac output, and low peripheral resistance). (medscape.com)
Pulmonary3
- Pulmonary arteriovenous fistulas are usually the result of abnormal development of the blood vessels of the lung. (medlineplus.gov)
- Massive pulmonary arteriovenous fistula in the newborn. (bmj.com)
- Arteriovenous fistulas in the lungs (pulmonary arteriovenous fistulas) can be caused by a genetic disease (Osler-Weber-Rendu disease, also known as hereditary hemorrhagic telangiectasia) that causes blood vessels to spread throughout the body, but especially in the Lungs, developing abnormally. (removingvaricoseveins.com)
Clinical5
- Clinical findings in a patient with spontaneous arteriovenous fistulas of the orbit. (diagnosticimaging.com)
- Current clinical surveillance was shown to be inadequate for identifying a failing arteriovenous fistula, and highlighted the need for early and regular surveillance of the haemodynamics. (edu.au)
- Clinical presentation of simple and combined or syndromic arteriovenous malformations. (medscape.com)
- D ural arteriovenous fistulas (DAVFs) are cerebral vasculopathies that present with great clinical heterogeneity. (dadospdf.com)
- Appropriate medical care, defined by widely disseminated clinical practice guidelines, includes nephrology referral at least 6 months before the anticipated start of RRT and the placement of a functioning arteriovenous fistula (AVF) prior to the initiation of haemodialysis ( National Kidney Foundation, 2001a , 2002 ). (cdc.gov)
Maturation4
- While arteriovenous fistula (AVF) nonmaturation is a major issue of hemodialysis care, an effective treatment to improve AVF maturation remains lacking. (elsevier.com)
- Arteriovenous fistula creation is the preferred vascular access for haemodialysis therapy, but has a large failure rate in the maturation period. (edu.au)
- The primary aim of this thesis was to develop a fundamental understanding of the arteriovenous fistula maturation and the associated vascular remodelling. (edu.au)
- The benefits of the AVF depend on the maturation of the fistula and it is afflicted with a high maturation failure rate [4]. (fortunejournals.com)
Symptoms4
- Acquired forms typically occur in lower extremities, and, with long-standing fistulas, symptoms of edema and limb ischemia can occur. (logicalimages.com)
- Small arteriovenous fistulas in the legs, arms, lungs, kidneys, or in the brain often have no signs or symptoms and usually only need to be monitored by your doctor. (removingvaricoseveins.com)
- Large arteriovenous fistulas can cause signs and symptoms. (removingvaricoseveins.com)
- If you have any of these signs and symptoms, and think you have an arteriovenous fistula, make an appointment with your doctor. (removingvaricoseveins.com)
Malformations of the spinal cord1
- Spinal arterio-venous fistulas are one of the most common vascular malformations of the spinal cord. (leica-microsystems.com)
Surgery4
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Complications2
- A large, untreated arteriovenous fistula can lead to serious complications. (removingvaricoseveins.com)
- If left untreated, an arteriovenous fistula can cause complications, some of which can be serious. (removingvaricoseveins.com)
Blood flows2
- Because the bypass of capillary beds results in decreased vascular resistance, regional blood flows preferentially through the fistula, thereby exposing the veins to increased intraluminal pressure. (diagnosticimaging.com)
- Blood flows faster through an arteriovenous fistula than through normal blood vessels. (removingvaricoseveins.com)
Lesions2
- Additionally, spinal lesions and lesions contained entirely in the extracranial space will be separately addressed, although many principles of the treatment of fistulae with cerebral components also apply to the treatment of all fistulae. (ajnr.org)
- Intracranial dural arteriovenous fistulae are rare, acquired lesions that may present with intracranial haemorrhage or progressive neurological deficits. (bmj.com)
Veins1
- Varicose Veins and Anorectal Disorders like Rectal Prolapse, Piles, Fistula, Fissure and Perianal Abscess are also routinely performed. (drjitenchowdhry.com)
19661
- 1966년 Brescia 등[ 1 ]이 처음 자가 동정맥루(arteriovenous fistula)형성술을 서술한 이후 혈액투석을 위한 이상적인 동정맥루는 요골 동맥-두피정맥 동정맥루이다. (sch.ac.kr)
Differential1
- Differential hemodynamics between arteriovenous fistulas with or without intervention before successful use. (bvsalud.org)
Spinal Cord1
- Spinal dural arteriovenous fistulae (AVF) are rare and can result in spinal cord dysfunction. (neurointervention.org)
Arteriovenosa3
- De acordo com o projeto de estágio, elaborado na fase preparatória, este relatório cumprirá o seu objetivo relativamente ao tema em estudo "Da pré-construção à primeira punção: O papel do Enfermeiro Especialista no follow up da fistula arteriovenosa para Hemodiálise", através de uma revisão scoping. (bvsalud.org)
- Estes conhecimentos teóricos e competências práticas permitem cuidados de enfermagem direcionados para o utente com fistula arteriovenosa, garantindo assim cuidados qualificados. (bvsalud.org)
- Através das suas três teorias, a Teoria do Autocuidado, a Teoria do Défice de Autocuidado e a Teoria dos Sistemas de Enfermagem, a sua aplicabilidade neste contexto é manifesta, na medida em que permite diagnosticar o défice de conhecimento relativamente à fistula arteriovenosa, capacitando o utente para dar resposta ao requisito de autocuidado do acesso, através do sistema apoio-educação. (bvsalud.org)
AVMs1
- Arteriovenous malformations (AVMs). (baptisthealth.net)
Intradural1
- Dorsal intradural arterio-venous fistulas are a rare condition. (leica-microsystems.com)
Cavernous sinus2
- Fistulae occurring between major cerebral arteries and/or their branches, which drain directly or indirectly into the cavernous sinus (CS), are collectively called carotid cavernous fistulae (CCF). (ajnr.org)
- CCF resulting from AVF supplied by ECA and ICA dural branches are traditionally called indirect , or dural , fistulae (dural AVF of the cavernous sinus). (ajnr.org)
Treatment6
- When arteriovenous fistulas are caused by liver disease, the treatment is a liver transplant . (medlineplus.gov)
- This discussion of their treatment therefore also serves as a model for the treatment of other fistulae (1) . (ajnr.org)
- Cite this: Nongalenic Arteriovenous Fistulas: History of Treatment and Technology - Medscape - Jun 01, 2006. (medscape.com)
- According to the latest research report published by Dhirtek Business Research, the global arteriovenous fistula treatment market report provides detailed information on the factors driving the growth of the arteriovenous fistula treatment market. (articlezone.xyz)
- Dr. Jiten Hospital provides best Piles, Fissures and Fistula Treatment at a highly affordable rate in Mumbai. (drjitenchowdhry.com)
- Simple and less Fistula Treatment - A Permanent Relief from Fistula. (drjitenchowdhry.com)