In embolization procedures of the external carotid artery (ECA) system, it is ideal to selectively embolize only the involved feeding branch or branches. This usually requires superselective catheterization , which can be difficult. The catheter diameter may approximate vessel diameter closely enough to reduce flow. Vessel spasm may be generated by catheterization attempts. Spasm may lead to re...

OBJECTIVE To explore the therapeutic efficacy and outcome of superselective transcatheter renal artery embolization for the treatment of hemorrhage from non-iatrogenic blunt renal trauma (BRT). METHODS Sixteen patients who received superselective transcatheter renal artery embolization for non-iatrogenic BRT hemorrhage between January 2003 and December 2012 were reviewed retrospectively. Spri...

OBJECTIVE To study the therapeutic effect of endovascular treatment for intradural hemorrhage from ruptured spontaneous vertebral artery dissections (SVAD) using Guglielmi detachable coils and mechanical coils. METHODS The retrospective study was carried out in the Department of Interventional Radiology, Rizhao People`s Hospital, Rizhao, China from January 2008 to December 2011. Twelve patien...

Atrial myxoma is the most common intracardiac tumor in adults, and 60% of all tumors are found by echocardiogram. Its protean clinical manifestations make the clinical diagnosis difficult. Atrial myxomas explain a minority of all strokes, but many embolize systemically and may cause cardiac symptoms and even paraneoplastic syndromes. Its management requires surgical excision. In this update, Dr...

"Air-seeding" is a proposed mechanism for the initiation of water stress embolism in dead plant cells. During air-seeding, external air is drawn into the lumen of a dead plant cell through a pore or crack in the cell wall. The resulting bubble may expand to fill the lumen, thus embolizing the cell. The data presented confirm that Sphagnum hyalocysts can embolize by air-seeding when the pressure...

Resection of a juvenile nasopharyngeal angiofibroma (JNA) is challenging because of high intraoperative blood loss secondary to the tumor's well-developed vascularity. Endoscopic sinus and skull base surgeons commonly collaborate with neurointerventionalists to embolize these tumors before resection in an attempt to reduce the vascular supply and intraoperative bleeding. However, angioembolizat...

Spontaneous mediastinal hematoma is exceedingly rare. We described such a case of a 61-year-old male with a posterior mediastinal hematoma from ruptured small aneurysm, which was ascertained via contrast-enhanced computed tomography examination. Subsequent super-selective angiography of left gastric artery revealed a ruptured aneurysm with contrast medium leakage, feeding vessels respectively f...

The aneurism was unpacking because of vessel caliper and tortuosity, so why we decided to embolize with Onyx 34 because its capability of occluding feeding vessels, preventing retrograde filling of the aneurysm. In order to avoid vessel dissection, Onyx was released as close as possible to the aneurismatic sac with “plug and push” technique [8]. A safe injection rate of dimethyl sulfoxide (DMSO...