Abstract
BackgroundAcute myocardial infarction (MI) is the leading cause of worldwide cardiac morbidities and mortalities. Mitral regurgitation (MR) is a common complication of MI. The severity of ischemic MR (IMR) can range widely, both clinically and hemodynamically. Mitral valve (MV) repair by lifting annuloplasty is a surgical procedure used to correct the pathology of IMR. The immediate outcomes of this technique have not yet been determined. The present study, therefore, evaluated the immediate results of MV annuloplasty performed to complement MV repair in patients with IMR.MethodologyAll adult patients with IMR who underwent lifting posterior mitral annuloplasty (LPMA) plus concomitant coronary artery bypass grafting (CABG) were included. Immediate outcomes were evaluated by transesophageal color Doppler echocardiography. The frequency of successful outcomes was compared in patients with different baseline characteristics.ResultsPosterior mitral annuloplasty was successful in 93.1% of patients, including in 92.8% of men and 94.1% of women. The percentages of successful immediate outcomes differed significantly in patients with and without diabetes and hypertension, and in patients with two- and three-vessel disease.ConclusionLPMA resulted in a high percentage of successful immediate outcomes in patients with IMR. Further studies should compare rates of immediate, intermediate, and late outcomes of this technique.
Highlights
Acute myocardial infarction (MI) is the most common and life-threatening type of cardiac emergency
Mitral valve (MV) repair by lifting annuloplasty is a surgical procedure used to correct the pathology of ischemic MR (IMR)
This study evaluated the immediate results of innovative MV annuloplasty, which was performed to complement MV repair in patients with IMR
Summary
Acute myocardial infarction (MI) is the most common and life-threatening type of cardiac emergency. Mitral regurgitation (MR) is an important sequelae of ischemia that can be seen during and after the acute phase of MI, being observed in up to 25% of patients [1]. Transient ischemic MR (IMR) is common during early phase acute MI, rarely leading to hemodynamic compromise [4]. The severity of IMR can range widely, from clinically silent to clinically and hemodynamically obvious, and may be detected only as an incidental finding during cardiac catheterization or Doppler echocardiography [6]. Acute myocardial infarction (MI) is the leading cause of worldwide cardiac morbidities and mortalities. The present study, evaluated the immediate results of MV annuloplasty performed to complement MV repair in patients with IMR
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