نتایج جستجو برای: balloon occlusion
تعداد نتایج: 78682 فیلتر نتایج به سال:
Intermittent intravascular occlusive balloons are commonly used to minimize bleeding in cases where massive blood loss is anticipated. However, the efficiency and safety of balloon occlusion remains unclear for elective procedures, and several cases of distal thrombosis have been reported. A case of intra-arterial occlusive balloon that was selectively placed preoperatively to minimize bleeding...
BACKGROUND AND PURPOSE The management of wide-necked aneurysms or aneurysms with a neck-to-body ratio close to 1 is a difficult challenge for the interventional radiologist because of the risk of coil migration or coil protrusion into the parent vessel. Our objective was to evaluate the efficacy and safety of balloon-assisted coiling as well as the follow-up results of occlusion for those diffi...
Approximately 20 years ago, Jacque Theron suggested that embolic protection with balloon occlusion during carotid angioplasty could reduce procedure-related strokes.1 This was documented in his report, with a >50% reduction in strokes when using distal balloon occlusion. Henry et al2 described similar results using the PercuSurge balloon (Medtronic, Inc., Santa Rosa, CA) for distal protection. ...
Coronary artery perforation is an uncommon complication in patients with coronary heart disease undergoing percutaneous coronary intervention. However, pericardial tamponade following coronary artery perforation may be lethal, and prompt treatment is crucial in managing such patients. Balloon occlusion and the reversal of anticoagulant activity are the common methods used to prevent cardiac tam...
Acute embolic occlusion of the intracranial internal carotid bifurcation is associated with a poor prognosis. Recanalization rates of this lesion with intravenous or intraarterial thrombolysis are exceedingly low. We describe the use of balloon angioplasty after failed thrombolysis to achieve immediate recanalization of acute carotid T occlusions in two patients. At 1-month follow-up, both pati...
OBJECTIVE To determine the efficacy of balloon catheter dacryocystoplasty in treating stenoses of the common canaliculus. MATERIALS AND METHODS Between 1997 and 2004, elective balloon catheter dilatation was performed under local anesthesia in 36 patients with epiphora and dacryocystography (DCG)-proven high-grade stenosis of the common canaliculus. Eight of the 36 patients had additional ste...
Distal intracoronary infusion of the perfluorochemical Fluosol-DA 20% has been shown to prevent systolic dysfunction during coronary artery balloon occlusion in coronary angioplasty. To assess its effect on global diastolic dysfunction, a randomized, single-blind, crossover protocol comparing intracoronary infusion of Fluosol or no infusion (control) was performed during 60 s balloon inflations...
We present a unique case of a patient with a symptomatic carotid cavernous fistula treated successfully with balloon embolization. Her subsequent death from other disease processes allowed direct visualization of the balloon occlusion in situ at postmortem examination.
Two patients developed paraplegia associated with the use of the intraaortic balloon pump. In one patient, transient spinal ischemic episodes ceased after removal of the intraaortic balloon and the second patient apparently sustained spinal cord infarction. Possible etiologic mechanisms include vascular occlusion due to balloon position, arterial spasm, thromboembolic phenomena, hypotension, hy...
Two types of balloon are usually employed to perform balloon-assisted coil placement in cerebral aneurysms: oval, guide-dependent balloons for sidewall aneurysms and round balloons for bifurcation aneurysms. We report on the use of a new, more compliant, guide-dependent oval balloon microcatheter to seal wide-neck bifurcation aneurysms with coils during endovascular occlusion.
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