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Arteriovenous FistulaSubarachnoid HemorrhageArteriovenous Shunt, SurgicalFistulaCentral Nervous System Vascular MalformationsSubarachnoid SpaceDura MaterIntestinal FistulaEmbolization, TherapeuticCranial SinusesCutaneous FistulaBronchial FistulaVascular FistulaRectal FistulaRenal DialysisGastric FistulaUrinary FistulaCerebral AngiographyCavernous SinusCerebral VeinsVasospasm, IntracranialEsophageal FistulaBrachiocephalic VeinsBiliary FistulaVascular PatencyVeinsAngiographyPancreatic FistulaRectovaginal FistulaPolyvinylsMeningeal ArteriesVesicovaginal FistulaIntracranial AneurysmRespiratory Tract FistulaVaginal FistulaCatheters, IndwellingAneurysm, RupturedTracheoesophageal FistulaCranial Fossa, AnteriorIntracranial Arteriovenous MalformationsArteriovenous MalformationsCarotid-Cavernous Sinus FistulaWounds, StabTomography, X-Ray ComputedFemoral VeinJugular VeinsTreatment OutcomeIliac VeinRadial ArteryUrinary Bladder FistulaUpper ExtremityVertebral ArteryArterio-Arterial FistulaSuperior Sagittal SinusAngiography, Digital SubtractionMagnetic Resonance AngiographyGraft Occlusion, VascularPolytetrafluoroethyleneKidney Failure, ChronicSpinal Cord DiseasesAneurysmAxillary VeinWounds, GunshotTransverse SinusesBlood Vessel ProsthesisBasilar ArteryConstriction, PathologicAneurysm, FalseRetrospective StudiesFemoral ArteryCoronary Vessel AnomaliesMyelographyArmSubclavian VeinTime FactorsCerebral ArteriesCerebral HemorrhageVenous PressureCarotid Artery, ExternalIatrogenic DiseasePia MaterUltrasonography, Doppler, DuplexMagnetic Resonance ImagingCardiac Output, HighSurgical InstrumentsNeurosurgical ProceduresPhlebographyBlood Vessel Prosthesis ImplantationIliac ArteryUltrasonography, Doppler, ColorSpinal CordBrachial ArteryFollow-Up StudiesSplenic VeinEnbucrilateVena Cava, InferiorHematemesisNeurologic ExaminationDigestive System FistulaSubarachnoid Hemorrhage, Traumatic

HemorrhageMalformationsMalformationEmbolizationAneurysmCranial dural arteriovenous fistulasDural fistulasArteryCavernousMyelopathyArterialPatientsSpinal cordLumbar punctureAcuteVascularDAVFsLesionsDiagnosisHaemorrhageRuptureDiffuseVeinsNidusIntraventricularFractures

Hemorrhage21

• Type II fistulas need to be treated to prevent hemorrhage. (wikipedia.org)
• It can also be divided based on the compartment into which the hemorrhage occurs, namely: (1) intramedullary (including hematomyelia), (2) subarachnoid (SAH), (3) subdural (SDH), and/or (4) epidural (EDH). (medscape.com)
• OBJECTIVE AND IMPORTANCE: Perimedullary arteriovenous fistulae (AVFs) do not commonly present with subarachnoid hemorrhage or intracranial venous drainage causing neurological symptoms. (johnshopkins.edu)
• A lumbar puncture documented subarachnoid hemorrhage, and imaging studies revealed a left middle cerebral artery aneurysm. (johnshopkins.edu)
• A 77-year-old man presented with an extremely rare association of anterior cranial fossa dural arteriovenous fistula (AVF) with anterior communicating artery (ACoA) aneurysm manifesting as consciousness deterioration due to intracerebral hemorrhage in the left frontal lobe and diffuse subarachnoid hemorrhage. (elsevierpure.com)
• Subarachnoid hemorrhage (SAH) accounts for 4.4% of cerebral vascular disease, which is one of the leading causes of death in China. (biomedcentral.com)
• The trend in the initial severity of aneurysmal subarachnoid hemorrhage (SAH) is unclear. (the-jcen.org)
• Subarachnoid hemorrhage (SAH) due to rupture of a cerebral aneurysm is a devastating disease because of its high mortality and morbidity [ 7 ]. (the-jcen.org)
• Incidence of complications in patients with spontaneous subarachnoid hemorrhage. (uchile.cl)
• Patients may present with radiculopathy, myelopathy, or subarachnoid hemorrhage.2A 40-yr-old woman status post T11-L1 laminoplasty for resection of a ruptured conus AVM 6 yr prior presented with routine follow-up angiography suggestive of an arteriovenous fistula. (barrowneuro.org)
• The fellows are exposed to vast array of vascular pathologies, stroke, intracranial hemorrhage, subarachnoid hemorrhage, arteriovenous malformations, dural arteriovenous fistulae, moyamoya disease complications, status epilepticus, neuromuscular pathologies and traumatic brain injuries, as well as a host of medical complications that accompany them. (bcm.edu)
• Comment on the 2023 Guidelines for the Management of Patients With Aneurysmal Subarachnoid Hemorrhage. (medscape.com)
• I love being able to help treat the sickest neurologically injured patients and to do my best to help them towards recovery," says Dr. Kim, who treats numerous conditions, including traumatic brain injury, subarachnoid hemorrhage, brain hemorrhage, hemorrhagic stroke, status epilepticus, and ischemic stroke. (yalemedicine.org)
• There are four recognized pathophysiologic mechanisms for the presentation of spinal cord vascular anomalies: 1) venous hypertension, 2) vascular steal syndrome, 3) subarachnoid hemorrhage, and 4) intraparenchymal hemorrhage (hematomyelia). (neurosurgicalatlas.com)
• Specifically, differentiating between subarachnoid hemorrhage and contrast extravasation is vital in these patients due to the significant consequences to their ongoing management in regard to continuation or cessation of antiplatelets or anticoagulation. (surgicalneurologyint.com)
• 1 , 13 ] Endovascular treatment carries risks including both subarachnoid hemorrhage from aneurysm rupture and contrast leak causing encephalopathy and cerebral edema. (surgicalneurologyint.com)
• Therefore, when required, post-procedural imaging has traditionally been difficult to interpret with hyperdensity on CT potentially reflecting subarachnoid hemorrhage or contrast medium extravasation. (surgicalneurologyint.com)
• 15 ] However, there is limited literature illustrating the use of this technology in management of aneurysmal subarachnoid hemorrhage or peri-endovascular treatment of unruptured aneurysms. (surgicalneurologyint.com)
• They represent the most common cause of nontraumatic subarachnoid hemorrhage. (hindawi.com)
• Patients presenting with subarachnoid hemorrhage (SAH) are initially investigated with CTA. (hindawi.com)
• Possible overlap between reversible cerebral vasoconstriction syndrome and symptomatic vasospasm after aneurysmal subarachnoid hemorrhage. (saintluc.be)

Malformations10

• The Borden Classification of dural arteriovenous malformations or fistulas, groups into three types based upon their venous drainage: Type I: dural arterial supply drains anterograde into venous sinus. (wikipedia.org)
• These vascular malformations develop near a spinal dural artery, forming an abnormal arteriovenous communication with the venous circulation. (medscape.com)
• [ 2 ] Vascular malformations of the spinal cord include spinal arteriovenous malformations (AVMs), dural arteriovenous fistulas (AVFs), spinal hemangiomas , cavernous angiomas , and aneurysms . (medscape.com)
• Dr. Malek's clinical expertise includes the multi-modal and minimally invasive treatment of brain arteriovenous malformations (AVMs) and dural arteriovenous fistulas (DAVFs). (tuftsmedicalcenter.org)
• Endovascular embolization is an effective treatment option for cerebral arteriovenous malformations (AVMs) and dural arteriovenous fistulas (DAVFs). (springer.com)
• Among 91 patients with unruptured intracranial arteriovenous malformations (AVM's), 16 patients had 26 unruptured intracranial saccular aneurysms. (thejns.org)
• Intracranial arteriovenous malformations associated with aneurysms. (thejns.org)
• 29 - 35 , 1986 Batjer H, Suss RA, Samson D: Intracranial arteriovenous malformations associated with aneurysms. (thejns.org)
• Spinal dural arteriovenous fistulas are a heterogeneous group of predominantly acquired pathologic vascular malformations that are defined by an abnormal connection between an artery and a vein. (neurosurgicalatlas.com)
• It is considered one of the nonhereditary congenital phakomatoses and is characterized by arteriovenous malformations (AVMs) that affect the retina, visual pathways, midbrain, and facial structures. (medscape.com)

Malformation9

• A dural arteriovenous fistula (DAVF) or malformation is an abnormal direct connection (fistula) between a meningeal artery and a meningeal vein or dural venous sinus. (wikipedia.org)
• He focuses on treating stroke, carotid stenosis, intracranial aneurysms, arteriovenous malformation, pituitary tumors and other skull base tumors. (uky.edu)
• We had many cases of aneurysm coil embolization and cerebral arteriovenous malformation glue embolization at Nancy, and Luc taught me not only the clinical aspect but also a part of the spirit and essence of neuroradiology which originated and developed in France. (neuronewsinternational.com)
• The diagnosis was pial arteriovenous fistula (an arteriovenous malformation). (neuronewsinternational.com)
• We excluded patients who had SAH with other etiologies, such as rupture of arteriovenous malformation or arteriovenous fistula (AVF). (the-jcen.org)
• Woodall, M. Neil and Spetzler, Robert F., "Microsurgical Treatment of Recurrent Conus Medullaris Arteriovenous Malformation: 2-Dimensional Operative Video" (2019). (barrowneuro.org)
• The objective of this study is to review the closing or open endovascular procedures for intracranial aneurysm, arteriovenous malformation, acute ischemic stroke, and carotid stenosis and related anesthetic implications. (anesth-pain-med.org)
• Dilated arteriovenous system representing a well-compensated unilateral retinal arteriovenous malformation. (medscape.com)
• Ponce FA, Han PP, Spetzler RF, Canady A, Feiz-Erfan I. Associated arteriovenous malformation of the orbit and brain: a case of Wyburn-Mason syndrome without retinal involvement. (medscape.com)

Embolization3

• If treatment involves embolization, it will only typically be effective if the glue traverses the actual fistula and enters, at least slightly, the draining vein. (wikipedia.org)
• Purpose To evaluate the efficacy of n-butyl-2-cyanoacrylate (Trufill n-BCA) versus ethylene vinyl alcohol copolymer (ONYX) for the embolization of cranial dural arteriovenous fistulas (DAVF). (bmj.com)
• Two microcatheter technique for embolization of arteriovenous fistula with liquid embolic agent. (medscape.com)

Aneurysm4

• These data suggest that the intracranial AVM's predispose to aneurysm formation within AVM feeding systems and that the mechanism is not simply based upon the high blood flow or high arteriovenous shunt in these systems. (thejns.org)
• The association of arteriovenous angioma and saccular aneurysm of the arteries of the brain. (thejns.org)
• 101 - 110 , 1959 Anderson RM, Blackwood W: The association of arteriovenous angioma and saccular aneurysm of the arteries of the brain. (thejns.org)
• Wyburn-Mason R. Arteriovenous aneurysm of midbrain and retina, facial naevi and mental changes. (medscape.com)

Cranial dural arteriovenous fistulas1

• Cranial dural arteriovenous fistulas (DAVF) are a protean group of lesions involving the meninges. (bmj.com)

Dural fistulas2

• Type I dural fistulas are often asymptomatic, do not have a high risk of bleeding and do not necessarily need to be treated. (wikipedia.org)
• Spinal arterial dural fistulas commonly arise in an elderly population and are believed to be due to a traumatic occurrence. (medscape.com)

Artery4

• [ 4 ] These fistulas are created when a radiculomeningeal artery feeds directly into a radicular vein, usually near the spinal nerve root. (medscape.com)
• Using two catheters in one branch of the middle cerebral artery was a brand-new, revolutionary technique for me at that time, and her fistula was treated completely. (neuronewsinternational.com)
• The blood does not collect within a preexisting space, but rather creates a space at the Fractures of Cranial Base In fractures of the cranial base, the internal carotid artery may be torn, producing an arteriovenous fistula within the cavernous sinus. (gov.gy)
• Krishnan P, Banerjee TK, Saha M. Congestive myelopathy (Foix-Alajouanine Syndrome) due to intradural arteriovenous fistula of the filum terminale fed by anterior spinal artery: Case report and review of literature. (medscape.com)

Cavernous2

• External Manual Carotid Compression is Effective in Patients with Cavernous Sinus Dural Arteriovenous Fistulaetreatment. (wikipedia.org)
• The first cases of DAVF as a separate entity from cavernous carotid fistulas were reported in the literature as early as 1936. (bmj.com)

Myelopathy1

• Jellema K, Tijssen CC, van Gijn J. Spinal dural arteriovenous fistulas: a congestive myelopathy that initially mimics a peripheral nerve disorder. (medscape.com)

Arterial2

• Type III: dural arterial supply drains retrograde into subarachnoid veins. (wikipedia.org)
• Type Ia - simple dural arteriovenous fistulas have a single meningeal arterial supply Type Ib - more complex arteriovenous fistulas are supplied by multiple meningeal arteries The distinction between Types Ia and Ib is somewhat specious as there is a rich system of meningeal arterial collaterals. (wikipedia.org)

Patients1

• Please note the relevant information for patients suffering from dural arteriovenous fistula is presented in another chapter. (neurosurgicalatlas.com)

Spinal cord1

• Photomicrograph of the cervical spinal cord region showing a thickened subarachnoid vein with a thrombotic occlusion (hematoxylin and eosin stain). (medscape.com)

Lumbar puncture1

• Spinal dural arteriovenous fistula presenting with paraplegia following lumbar puncture. (saintluc.be)

Acute1

• Cortnum SO, Sorensen P, Andresen J. Bilateral Wyburn-Mason syndrome presenting as acute subarachnoid haemorrhage - a very rare congenital neurocutaneous [corrected] disorder. (medscape.com)

Vascular1

• A six-vessel angiogram is employed to determine the vascular supply to the fistula. (wikipedia.org)

DAVFs1

• For a detailed discussion about intracranial DAVFs, please refer to the Principles of Dural Arteriovenous Fistulas chapter. (neurosurgicalatlas.com)

Lesions1

• Type I lesions, spinal dural arteriovenous fistulas (sDAVFs), are the most commonly found SVMs. (neurosurgicalatlas.com)

Diagnosis1

• Late diagnosis of spinal dural arteriovenous fistulas resulting in severe lower-extremity weakness: a case series. (medscape.com)

Haemorrhage1

• A 17-year-old high school girl suffering subarachnoid haemorrhage was transferred to our hospital. (neuronewsinternational.com)

Rupture1

• Hematomyelia Caused by an Intraparenchymal Varix Rupture of a Spinal Dural Arteriovenous Fistula. (medscape.com)

Diffuse1

• Post procedure, the patient had a reduced level of consciousness and underwent a conventional CT showing diffuse subarachnoid hyperdensity of the left hemisphere. (surgicalneurologyint.com)

Veins3

• High pressure in sinus results in both anterograde drainage and retrograde drainage via subarachnoid veins. (wikipedia.org)
• citation needed] The high pressure within a Type II dural AV fistula causes blood to flow in a retrograde fashion into subarachnoid veins which normally drain into the sinus. (wikipedia.org)
• Type III dural AV fistulas drain directly into subarachnoid veins. (wikipedia.org)

Nidus1

• Abnormal vessels are intramedullary in location, although superficial nidus compartments can reach the subarachnoid space. (medscape.com)

Intraventricular1

• Such accumulations can be epidural hematomas (EDHs), subdural hematomas (SDHs), subarachnoid hemorrhages (SAHs), or intraventricular hemorrhages (IVHs). (medscape.com)

Fractures1

• Some subarachnoid hemorrhages are associated with head trauma involving cranial fractures and cerebral lacerations. (gov.gy)