Samer G Zammar

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OBJECTIVE To assess indications, complications, clinical outcomes, and technical nuances of microsurgical treatment of previously coiled intracranial aneurysms. METHODS A systematic review of the literature was performed using PubMed/MEDLINE and EMBASE databases from January 1990 to December 2013. English-language articles reporting on microsurgical(More)
We describe the novel use of a double lumen balloon catheter for venous sinus thrombolysis and venoplasty. Cerebral venous sinus thrombosis is a rare disease that is usually treated with medical anticoagulation. In certain refractory cases, surgical or endovascular thrombolysis and thrombectomy may be required. A 48 year-old man on anticoagulation for(More)
OBJECTIVE To assess microsurgical and diagnostic cerebral angiography modules and their corresponding objective assessment scales as educational tools for European neurosurgical residents at the European Association of Neurosurgical Societies Resident Vascular Neurosurgery course, which was held in Prague, Czech Republic, on September 2013. Microsurgical(More)
ity. Afterdischarges were less likely to be induced by direct hippocampal stimulation during periods when the hippocampal LFP had already been suppressed with preceding preparatory stimulation. Evoked potentials produced in the hippocampus by thalamic stimulation were also suppressed when preparatory direct hippocampal stimulation was provided. The authors(More)
Hemorrhagic stroke can be a devastating disease. Although some risk factors have been defined such as hypertension, much remains to be learned about triggers for this disease and their prevention. Hemodynamic factors, genetics, and systemic diseases will likely form some of the elements of an individualized predictive model. Although building such a(More)
BACKGROUND AND SIGNIFICANCE The vessels of choice for cerebrovascular high-flow direct bypass procedures are the radial artery and the saphenous vein. Radial artery grafts have become favored over saphenous vein grafts because of higher patency rates and better size matching to appropriate recipient vessels. Radial grafts are prone to spasm however, and(More)