Distal occlusion. Medical search. Frequent questions

Conclusions A combination of proximal internal carotid artery occlusion using a balloon catheter and distal aspiration through an intermediate catheter represents a safe and efficient adjunct to mechanical thrombectomy with stent retrievers. (bmj.com)
Mainly, occlusion of the distal internal carotid artery occurs. (wikipedia.org)
Management of acute symptomatic internal carotid artery (ICA) occlusion remains controversial. (ajnr.org)
Compared with studies regarding the effect of middle cerebral artery (MCA) occlusion, 1 there have only been a few studies regarding the efficacy of revascularization in patients with symptomatic acute internal carotid artery (ICA) occlusion. (ajnr.org)
Carotid reconstruction cannot be performed in some patients, particularly individuals with the internal carotid artery resected close to the skull base, where sewing a vascular graft to the distal stump may not be feasible. (medscape.com)
Poor outcome was noted in five patients with internal carotid artery (ICA) bifurcation occlusions, four of whom had unsuccessful recanalization and poor outcome or death. (ajnr.org)
The MR Angiography (MRA) showed a proximal left internal carotid artery (ICA) occlusion, a tight stenosis on the distal right ICA, no signal in the right siphon and right MCA, while there was a weak signal in the left MCA (Figure 4 ). (hindawi.com)
Acute tandem occlusions of intracranial large vessel and cervical internal carotid artery present treatment challenges. (cns.org)
Fifty-four (83%) of the 65 proximal cervical internal carotid artery occlusions were atherothrombotic lesions. (cns.org)
The real challenge over the next 5 years will be to implement thrombectomy in patients with occlusions of the distal internal carotid artery and the proximal middle cerebral artery on a countrywide level. (medscape.com)

Documentation in the medical record of the location of the clot in either the large arteries in the neck or base of the brain (proximal), or small arteries higher up in the brain (distal). (jointcommission.org)
If multiple occlusions, select "proximal" or "distal" for the primary vessel occlusion. (jointcommission.org)
This study was performed to evaluate the safety and feasibility of a novel approach combining proximal balloon occlusion and distal aspiration to prevent distal thrombembolic complications. (bmj.com)
Methods Patients with ischemic stroke meeting the following inclusion criteria were eligible: occlusion in the anterior circulation, neurothrombectomy using a balloon catheter for proximal flow arrest, and an intermediate catheter for distal aspiration. (bmj.com)
Proximal tubal occlusion. (natural-fertility-prescription.com)
Specifically, ICA or proximal MCA occlusions often present with contralateral hemi body and face weakness and/or numbness, contralateral homonymous hemianopsia, and ipsilateral gaze deviation, as well as aphasia for dominant hemispheric lesions and neglect for lesions of the nondominant hemisphere. (wikidoc.org)
Fifty-five patients underwent a proximal-to-distal approach with carotid artery stenting first, followed by intracranial thrombectomy, whereas 10 patients underwent a distal-to-proximal approach (that is, intracranial thrombectomy was performed first). (cns.org)
Proximal-to-distal and aspiration approaches were most commonly used because they were safe, efficacious, and feasible. (cns.org)
The surgical approach to fallopian tube reconstruction is discussed in 3 parts according to the anatomic location of the obstruction: (1) the proximal portion of the tube, (2) the distal portion of the tube, and (3) the mid portion of the tube. (medscape.com)
Proximal occlusion of the fallopian tube can be of 2 types: intramural/interstitial and isthmic. (medscape.com)
An anchoring suture is placed in the proximal and distal mesosalpinx (isthmic-isthmic repair) or from the cornu proximally to the mesosalpinx distally (cornual-isthmic repair) to bring the 2 portions of the tube being anastomosed in proximity. (medscape.com)
Four interrupted sutures are placed at the 12-, 3-, 6-, and 9-o'clock positions, parallel to the axis of the tube, first within the muscularis and subsequently on the serosa, to bring together the proximal and distal portions of the tube. (medscape.com)

Data from the TOPMOST study suggest that mechanical thrombectomy (MT) for posterior circulation is a safe and feasible therapy option for patients that experienced stroke attributed to primary distal medium vessel occlusion (DMVO) of the posterior cerebral artery (PCA) of the P2 or P3 segment when compared to standard medical treatment (SMT) with or without intravenous thrombectomy (IVT). (neurologylive.com)
In short, the authors report that moyamoya disease likely occurs due to a number of factors (e.g., differences in vascular anatomy) that ultimately contribute to broad cerebral blood vessel occlusion and consequent shifts in vessel connections to try to provide blood for the compromised brain. (wikipedia.org)
The functional prognosis of mechanical thrombectomy (MT) for mild acute ischemic stroke (AIS) with large-vessel occlusion (LVO) is controversial. (karger.com)
Transient ischemic attack (TIA) is a transient neurological deficit (speech disturbance, weakness…), caused by temporary occlusion of a brain vessel by a blood clot that leaves no lasting effect. (stanford.edu)
Placing guidewire too distal in the pulmonary vasculature or excessive manipulation of aspiration/guiding catheter in the smaller, peripheral, and segmental pulmonary artery branches can result in vessel perforation. (penumbrainc.com)
Acute myocardial infarction following sequential multi-vessel occlusion in a case of polycythemia vera. (iasp-pain.org)
Given the ability to alter the natural history of stroke with endovascular thrombectomy, early identification of patients with vessel occlusion is critical. (wikidoc.org)
Differentiating acute ischemic stroke (AIS) patients with large vessel occlusions from those without based on clinical presentation is nonetheless challenging due to the variable nature of collateral vasculature and the potential for unique "at risk" and symptomatic tissue patterning across patients with the same anatomical site of occlusion. (wikidoc.org)
Vessel occlusions can also commonly manifest with minimal symptomology. (wikidoc.org)
While not pathognomonic, the clinical presentation of patients with vessel occlusion is nonetheless often stereotyped and anatomically matched to the site of occlusion and downstream affected cerebrum. (wikidoc.org)
We did not perform acute coronary syndrome, coronary elevation myocardial infarction, whereas angioplasty because the obstruction embolism should be kept in mind in the rest present with non-ST elevation was in the distal portion of the vessel those with prosthetic valves even in the myocardial infarction [8]. (who.int)

In the RATATOUILLE study, also published yesterday in JACC: Cardiovascular Interventions , investigators showed that use of distal radial access was safe, reporting that it wasn't associated in any functional hand impairment in 313 patients who underwent detailed testing after undergoing distal radial access PCI/angiography. (tctmd.com)
During the study period, 157 patients underwent EVT for an AIS due to a distal-M2 occlusion. (j-stroke.org)
All patients who underwent PCI with distal radial access were enrolled in the study. (bvsalud.org)
Results Of 134 patients treated during the study period, 8 underwent treatment with the Baby Trevo for distal occlusions. (bmj.com)
In an early study of this technique, all 8 patients who underwent preoperative permanent occlusion tolerated it without sequelae. (medscape.com)
He underwent a laparoscopic en bloc splenic artery aneurysm resection with splenectomy and distal pancreatectomy with the use of pre-operative prophylactic balloon catheter aneurysm occlusion. (sages.org)
We retrospectively reviewed clinical and radiographic records of all patients who underwent Pipeline embolization of distal anterior circulation aneurysms at 10 US neurosurgical centers between 2011 and 2013. (nih.gov)
Authors performed a retrospective review of prospectively maintained databases and analyzed demographic, radiological, and clinical outcome data for patients who underwent endovascular treatment for tandem occlusions. (cns.org)

The device was used for a total of 10 branches: five middle cerebral artery (four superior M3 and one inferior M3), three anterior cerebral arteries (two pericallosal and one callosomarginal), and two posterior cerebral arteries (one P2 and one P3) occlusions. (bmj.com)
The purpose of this study is to establish and validate an animal model for research in the recovery and sequela stages of brain ischemia by testing brain infarction and sensorimotor function after middle cerebral artery occlusion/reperfusion (MCAO/R) after 1-90 days in rats. (jove.com)

One third of peripheral emboli lodge in the upper extremity, producing acute arterial occlusion. (medscape.com)
In patients with acute arterial occlusions, collateral blood vessels have not formed, and perfusion drops rapidly below a critical threshold level, which results in persistent pain and tissue necrosis. (medscape.com)
We evaluated outcome predictors of a good recovery in patients with acute symptomatic ICA occlusion. (ajnr.org)
mean age, 66 years) with: 1) acute symptomatic ICA occlusion within 6 hours of symptom onset or with mismatch of symptoms and an early infarct area, 2) National Institutes of Health Stroke Scale (NIHSS) score of 6 or more, and 3) attempted endovascular revascularization of the occluded ICA. (ajnr.org)
Active revascularization of acute symptomatic ICA occlusion resulted in good recovery in one third of patients after 1 year. (ajnr.org)
2 - 5 Acute ICA occlusions are more resistant than MCA occlusions to administration of intravenous tissue plasminogen activator (tPA). (ajnr.org)
ICA occlusion of intravenous thrombolysis trials in patients with acute stroke have been based on the CT exclusion of hemorrhage 9 and on CT parenchymal evaluation 10 , 11 but have not pursued the exact cause or the level of occlusion. (ajnr.org)
The prognosis for patients with acute progressive stroke caused by carotid occlusion is known to be poor, with only 2%-12% good recovery. (ajnr.org)
16 In addition, the management of patients with acute symptomatic carotid artery occlusion remains controversial, though the angiographic finding of ICA occlusion reveals a spectrum of ICA occlusions, as well as a tandem lesion in the intracranial artery in addition to the level (below or above the ophthalmic artery) and type (atherosclerotic or embolic) of lesion. (ajnr.org)
2 , 17 We evaluated outcome of the acute symptomatic ICA occlusion and estimated how the clinical outcome differs according to the 14 prognostic factors associated with the clinical outcomes. (ajnr.org)
mean age, 66 years) who experienced the following: 1) acute symptomatic ICA occlusion within 6 hours of symptom onset or with mismatch of symptoms and early infarct area, 2) initial National Institutes of Health Stroke Scale (NIHSS) ≥6, and 3) attempted intraarterial revascularization, were enrolled in this study. (ajnr.org)
We report two cases of spectacular clinical recovery after acute carotid occlusion. (hindawi.com)
We report two cases where an anti-gravity suit (also named MAST: Medical Antishock Trousers [ 1 , 2 ]) was applied with a low gradient of pressure during the acute phase of symptomatic carotid occlusion to amplify the blood volume shift towards the craniothoracic territory [ 3 , 4 ], improving cerebral haemodynamic conditions and neurological symptoms. (hindawi.com)
Management of acute ischemic stroke due to tandem occlusion: extracranial or intracranial revascularization first? (cns.org)
High recanalization rates of tandem occlusion is possible using acute carotid artery stenting and mechanical thrombectomy concurrently. (cns.org)
Endovascular therapy versus no endovascular therapy in patients receiving best medical management for acute isolated occlusion of the posterior cerebral artery: A systematic review and meta-analysis. (uniklinikum-dresden.de)

A coronary angiogram revealed total occlusion of the mid-left anterior descending (LAD) artery and a filling defect of the distal right coronary artery. (iasp-pain.org)

Distal tubal occlusion. (natural-fertility-prescription.com)
Distal tubal occlusion can be surgically repaired by laparotomy or laparoscopy. (medscape.com)

PARIS, France-When it comes to reducing the risk of radial artery occlusion (RAO), there is no significant advantage to using the relatively novel distal radial approach over conventional radial access, according to results of a new randomized trial. (tctmd.com)
Occlusion of the radial artery is the most common complication after the procedure, and it has an impact because it precludes the use of the same radial artery for future procedures or as a conduit for CABG," he said. (tctmd.com)
Distal radial access-where the radial artery is punctured distal to the superficial palmar arch-has emerged as an alternative to reduce the risk of occlusion. (tctmd.com)
The trajectory of the distal radial artery is less predictable than the forearm radial artery. (tctmd.com)
Outcomes of a Modified Technique for Deflation of Distal Radial Artery Occlusion Device on Radial Artery Patency After Percutaneous Coronary Intervention. (bvsalud.org)
This study aimed to compare two protocols of deflation with increased intervals versus late deflation with smaller intervals for distal radial artery occlusion device (DROAD) removal to assess for radial artery occlusion (RAO). (bvsalud.org)
Rarely, its origin is distal to that of the left subclavian artery, passing behind the esophagus and producing dysphagia lusoria (ie, difficulty swallowing). (medscape.com)
The distal vertebral artery also provides blood flow to the anterior spinal artery. (medscape.com)
Conclusion: Laparoscopic distal pancreatectomy with splenectomy is an appropriate minimally invasive option for the treatment of splenic artery aneurysms. (sages.org)
This video demonstrates the technical challenges and management options for successfully completing a distal pancreatectomy and splenectomy in the face of a splenic artery aneurysm. (sages.org)
The majority of ischemic strokes are due to thromboembolic arterial occlusions (6) , with 75% in the distribution of the carotid artery (3) . (ajnr.org)
We report three patients with bilateral vertebral artery occlusion. (bmj.com)
Bilateral distal vertebral artery occlusion and retrograde basilar artery flow persisted. (bmj.com)
Management of fibroid includes myomectomy, uterine artery occlusion, hysterectomy and myolysis. (ispub.com)
Peripheral arterial disease, specifically lower limb peripheral arterial disease, can be defined as atheromatous narrowing or occlusion of an artery or arteries in the lower limb. (intechopen.com)
Basilar artery occlusion management: An international survey of middle versus high-income countries. (uniklinikum-dresden.de)

This study suggested that, although rarely performed at comprehensive stroke centers, mechanical thrombectomy for posterior circulation DMVO is a safe, and technically feasible treatment option for occlusions of the P2 or P3 segment of the PCA compared with standard medical treatment with or without IVT," wrote first author Lukas Meyer, MD, radiology resident, University Medical Center Hamburg-Eppendorf, and colleagues. (neurologylive.com)
An additional systematic review with meta-analysis has been performed on distal-M2 thrombectomy and is detailed in Supplementary Material . (j-stroke.org)
Due to the involvement of this vascular territory in speech processing and complex cognition, focal occlusions in this location are sometimes more aggressively pursued for thrombectomy in an attempt to preserve speech and cognition as compared to similarly distant blockages in arteries supplying less eloquent cortex. (wikidoc.org)

Clipping was feasible and safe in all aneurysms, and complete occlusion was achieved in 4 of 5 aneurysms. (springer.com)
Twenty-seven patients had follow-up neurovascular imaging: 21 aneurysms had complete occlusion, 4 had residual neck filling, and 2 had residual dome filling. (nih.gov)
On 3 occasions over the next 20 days she had labored breathing with dramatically decreased V(T). Each time, bronchoscopy revealed almost complete occlusion of the distal end of the tracheostomy tube. (nih.gov)

Because of the poor quality of the distal arteries, vascular surgery is rarely possible. (medscape.com)
Do not use in arteries with diameters smaller or equal to the distal outer diameter of the Penumbra Reperfusion Catheters. (penumbrainc.com)

After normal trial balloon occlusion (TBO) and flow testing results, permanent balloon occlusion is a preoperative intervention that may reduce cerebral vascular accident (CVA) incidence over simple ligation in this clinical setting. (medscape.com)

Given the low risk of RAO with distal radial access, though, this technique could be a "valid alternative," although physicians must balance its benefits against its more demanding arterial puncture, they say. (tctmd.com)

Presented yesterday as a late-breaking clinical trial at EuroPCR 2022 and published simultaneously in JACC: Cardiovascular Interventions , the DISCO RADIAL study randomized 1,307 patients with clinical indications for a percutaneous coronary procedure using a 6-Fr Slender sheath (Terumo Europe) to conventional radial or distal radial access. (tctmd.com)
Pending the results of randomized controlled trials (RCT) evaluating endovascular treatment (EVT) for distal occlusions, we aimed to investigate the safety and efficacy profiles of EVT for distal-M2 strokes in clinical practice. (j-stroke.org)
Although this device emerges as a promising technology for small and tortuous distal intracranial vessels, larger studies are still necessary to establish its safety and clinical benefit. (bmj.com)
More nuanced presentations of variable clinical severity and importance are observed with more distal occlusions. (wikidoc.org)

The laparoscopy is performed to exclude disease in the distal portion of the fallopian tube(s). (medscape.com)
If the distal fallopian tube(s) is healthy, the surgeon can proceed to hysteroscopic cannulation. (medscape.com)
Filling the fallopian tube with dilute dye at the time of surgery (via a cannula in the uterine cavity) facilitates identification of the entrance point in the distal, peritoneal surface of the tube that opens into the tubal lumen. (medscape.com)

Once it begins, the vascular occlusion tends to continue despite any known medical management. (wikipedia.org)
It leads to occlusion of distal pulmonary arterioles, with accompanying increase in pulmonary vascular resistance. (cincinnatichildrens.org)

Successful recanalization (at or more than grade 2 distal residual occlusion) was obtained in 14 (42%) of 33 and good recovery (mRS ≤2) after 1 year in 11 (33%) of 33. (ajnr.org)
We studied the sites of angiographic occlusion on entry into the study, the effects of treatment on recanalization, and hemorrhagic transformation. (ajnr.org)

Although it wasn't superior to conventional radial access, distal radial was safe and might be a useful option in select cases. (tctmd.com)
With distal radial access, hemostasis was achieved according to hospital practice. (tctmd.com)
At discharge, the rate of RAO was 0.91% for those randomized to conventional radial access and 0.31% among those treated with distal radial access ( P = 0.29). (tctmd.com)
Crossover was higher in the distal radial access arm-7.4% of operators switched to the conventional radial approach-and this highlights the technical demands of the procedure, even amongst this group of experienced radial operators, said Aminian. (tctmd.com)

Angiographic studies performed in stroke patients within 8 hours of symptom onset have shown arterial occlusions corresponding to symptoms in more than 80% of cases (7) . (ajnr.org)

Objective To report our single-center initial experience using the Trevo XP ProVue Retriever 3×20 mm ('Baby Trevo') for distal intracranial occlusions. (bmj.com)

Utilization of the Pipeline embolization device (PED) to treat distal carotid circulation aneurysms has not been well studied. (nih.gov)

[ 1 ] MRI more accurately evaluates en plaque and posterior fossa meningiomas, which may be missed on CT scanning. (medscape.com)

Conclusions Our initial data suggest that treatment of distal cerebrovascular occlusions with the Trevo XP 3×20 mm Retriever is feasible. (bmj.com)

In this instance, by positioning the probe on the surrounding skin downstream of the distal end of the serpiginous path, within an area of 0.5 cm, we were able to recognize an oval-shaped figure with a rounded tip, a darker gray color than the adjacent tissue (undamaged skin), and a white linear outline of the larva. (cdc.gov)

Permanent balloon occlusion may also be performed without surgery to manage impending carotid rupture. (medscape.com)
Subsequent stent restenosis or occlusion may require repeat catheter-based treatments (including balloon dilatation) of the arterial segment containing the stent. (medtronic.com)

Distal patency is confirmed by threading a piece of thin suture material from the fimbrial end toward the area of anastomosis. (medscape.com)

None of the 22 patients had an immediate complication from the permanent occlusion, although 2 patients developed progressive hemiplegia that began 24 hours later. (medscape.com)

Hundreds of full-color photographs, illustrations, and diagrams show aspects of the masticatory system, the epidemiology of occlusal problems, and procedures for finding the ideal occlusion. (americasdentalbookstore.com)

To report the collective experience of using PED to treat distal anterior circulation aneurysms. (nih.gov)
PED can be utilized in the treatment of distal anterior circulation aneurysms with difficult anatomy for conventional surgical or endovascular techniques. (nih.gov)

However, the occlusion rates seem rather low and the retreatment rates rather high compared to other treatment methods. (springer.com)

Arterial occlusions arising more proximally are associated with poorer outcomes. (jointcommission.org)

However, there is wide variability in the use of best practices to prevent RAO, making it difficult to assess the true incidence of occlusion after transradial interventions. (tctmd.com)
To assess the type of occlusion prevalent in children who attended a Mother and Child Dental Care Program in the city of Teresina. (bvsalud.org)

Optimal management of an ICA occlusion with a concomitant MCA occlusion has not been clearly established, though MCA occlusion can only be a target of revascularization. (ajnr.org)

Before treatment, Flush occlusion of left SFA to PII segment. (bd.com)

The distal arterial bed is supplied by collateral blood vessels. (medscape.com)
Due to the splenic vein occlusion there were large collateral vessels complicating the dissection. (sages.org)

Poor outcome or death is associated with nonrecanalization, older age, hemorrhage, and ICA bifurcation occlusions. (ajnr.org)

There was noted to be splenic vein occlusion and multiple splenic infarcts versus abscesses on pre-operative imaging. (sages.org)

Anatomy48

Organisms11

Diseases65

Chemicals and Drugs14

Analytical, Diagnostic and Therapeutic Techniques and Equipment95

Psychiatry and Psychology3

Phenomena and Processes23

Technology, Industry, Agriculture2

Information Science1

Health Care11

Internal caroti10

Proximal12

Vessel11

Underwent8

Middle Cerebr2

Acute16

Total occlusion1

Tubal occlusion2

Artery16

Thrombectomy3

Complete occlusion3

Arteries2

Cerebral1

Puncture1

Clinical4

Fallopian tube3

Vascular2

Recanalization2

Radial access4

Symptom onset1

Intracranial1

Embolization1

Posterior1

Feasible1

Downstream1

Balloon2

Patency1

Complication1

Occlusal1

Aneurysms2

Methods1

Proximally1

Assess2

Revascularization1

Treatment1

Vessels2

Outcome1

Splenic1