Acute Versus Chronic Ischemic Mitral Regurgitation
نویسندگان
چکیده
منابع مشابه
Annular versus subvalvular approaches to acute ischemic mitral regurgitation.
BACKGROUND Ischemic mitral regurgitation (IMR) has been attributed to annular dilatation, papillary muscle (PM) displacement ("apical leaflet tenting"), or both. We compared the efficacy of reducing annular or subvalvular dimensions to gain more mechanistic insight into acute IMR. METHODS Eight adult sheep underwent implantation of radiopaque markers on the LV, mitral annulus (MA), each leafl...
متن کاملrepair versus replacement for ischemic mitral regurgitation
background: this study was undertaken to compare the outcome in patients with moderate to severe ischemic mitral regurgitation (imr) undergoing coronary artery bypass grafting (cabg) with either mitral valve repair or mitral valve replacement. methods: between march 2002 and february 2005, 49 consecutive patients (mean age: 62.84±8.42 years; mean euroscore: 10.03±3.12) with coronary artery dise...
متن کاملMitral-valve repair versus replacement for severe ischemic mitral regurgitation.
BACKGROUND Ischemic mitral regurgitation is associated with a substantial risk of death. Practice guidelines recommend surgery for patients with a severe form of this condition but acknowledge that the supporting evidence for repair or replacement is limited. METHODS We randomly assigned 251 patients with severe ischemic mitral regurgitation to undergo either mitral-valve repair or chordal-sp...
متن کاملIschemic Mitral Regurgitation
Ischemic mitral regurgitation (IMR) is a frequent complication of left ventricular (LV) global or regional pathological remodeling due to chronic coronary artery disease. It is not a valve disease but represents the valvular consequences of increased tethering forces and reduced closing forces. IMR is defined as mitral regurgitation caused by chronic changes of LV structure and function due to ...
متن کاملIschemic Mitral Regurgitation
Background. Intraoperative transesophageal Doppler color flow imaging (TDCF) affords the opportunity to assess mitral valve competency immediately before and after cardiopulmonary bypass (CPB). The purpose of this study was to assess the utility of TDCF to assist in the selection and operative treatment of ischemic mitral regurgitation (MR). Methods and Results. Two hundred forty-six patients u...
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ژورنال
عنوان ژورنال: Circulation: Cardiovascular Imaging
سال: 2018
ISSN: 1941-9651,1942-0080
DOI: 10.1161/circimaging.117.007028