نتایج جستجو برای: spasm
تعداد نتایج: 7135 فیلتر نتایج به سال:
Coronary artery spasm is not an uncommon event, but its pathophysiologic mechanisms followed by coronary artery vasospasm are not yet completely clarified. Coronary artery spasm can lead to sudden cardiac death due to ventricular arrhythmias or heart block. In the cases of cardiogenic shock secondly to severe coronary artery spasm, IABP is sufficient to support the patient’s hemodynamics, in th...
We report for the first time two cases of vein graft spasm following distal artery bypass in the lower extremity. In the first case, graft spasm occurred in the region just distal to the proximal anastomosis and it resolved without surgical intervention. In the second case, completion angiography showed defective filling around the distal anastomosis. We considered this to be due to technical e...
The total incidence of coronary artery spasm during coronary angiography has been reported to be between 0.26% and 0.93%. The rarity of this phenomenon has been invoked to minimize its clinical significance. Review of a one-year experience in our catheterization laboratory showed that coronary spasm occurred in eight of 274 coronary angiograms (2.93%). In three instances, spasm could not be asc...
Background –Coronary spasm plays an important role in the pathogenesis of ischemic heart disease. However, similarities and differences between coronary spasm and atherosclerosis are not known. We examined the angiographic characteristics of coronary spasm in comparison with those of atherosclerosis. Methods and Results –Thirty two left anterior descending (LAD), 11 left circumflex (LCx) and 23...
Abstract Background/Introduction One of the most common complications encountered during transradial procedures is radial artery (RA) spasm, whereas its management remains a challenge. Purpose We hypothesized that in patients undergoing cardiac catheterization via RA, use transdermal nitroglycerin (NTG) patches applied to skin over RA puncture site may prevent occurrence spasm. Methods NURSE-TT...
BACKGROUND The aim was to elucidate clinical trial efficacy, safety, and dosing practices of abobotulinumtoxinA (ABO) treatment in adult patients with blepharospasm and hemifacial spasm. To date, most literature reviews for blepharospasm and hemifacial spasm have examined the effectiveness of all botulinum neurotoxin type A products as a class. However, differences in dosing units and recommend...
Native coronary artery spasm after coronary artery bypass grafting (CABG) is scarce. It frequently causes disastrous circulatory collapse. We report a 72-yr-old male, who experienced native coronary artery spasm and grafted artery spasm following CABG, which was successfully treated with coronary angiography and intracoronary injection of nitroglycerine.
Catheter-induced spasm of the left main coronary artery is rare during catheterization. We present several cases in which the occurrence of both ostial left main and right coronary spasm suggests that multiple sites of spasm may be a clue to this important diagnosis.
BACKGROUND The aim of this study was to elucidate the correlation between angiographic coronary vasomotor responses to intracoronary acetylcholine (ACh) injection, clinical features, and long-term prognosis in patients with vasospastic angina (VSA). METHODS AND RESULTS This is a retrospective, observational, single-center study of 1877 consecutive patients who underwent ACh-provocation test b...
BACKGROUND The prevalence, clinical features, and long-term outcome of patients with non-ST-segment elevation acute coronary syndrome (NSTE ACS) associated with coronary spasm are not fully investigated. METHODS AND RESULTS This observational multicenter study enrolled 1601 consecutive patients with suspected NSTE-ACS who underwent cardiac catheterization between January 2001 and December 201...
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