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Medicina issued since 1920

Volume 51, Issue 2, 2015

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Articles

Medicina (Kaunas) 2015; 51 (2): 92-9
DOI: 10.1016/j.medici.2015.02.003

Functional (ischemic) mitral regurgitation in acute phase of myocardial infarction: Associated clinical factors and in-hospital outcomes.

Živilė Valuckienė 1
Dominyka Urbonaitė 1
Renaldas Jurkevičius 1
1 Department of Cardiology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
Keywords
In-hospital outcome
Mitral regurgitation
Myocardial infarction

Mitral regurgitation (MR) after myocardial infarction (MI) carries adverse prognosis. The objective of this study was to assess the impact of functional MR on adverse in-hospital outcomes in acute MI.
A total of 569 patients with first ever acute MI were divided into three groups: no MR, mild MR (regurgitant orifice area <0.2cm(2)) and moderate-severe MR group (regurgitant orifice area more or equal >0.2cm(2)). Clinical profile and in-hospital outcomes were compared among the groups.
Patients with increasing grade of MR were elder (P<0.001), more likely to be female (P=0.003), have atrial fibrillation (P<0.001), higher peak C-reactive protein values (P=0.001), multivessel coronary artery disease (P<0.001), and less likely to have dyslipidemia (P=0.029). Ejection fraction, age, atrial fibrillation and left ventricular end diastolic diameter index were independent predictors of moderate and severe MR (P<0.001). In hospital cardiac death and decompensated heart failure was more prevalent in moderate-severe MR group.
Moderate and severe MR in acute MI is related to age, atrial fibrillation, increased left ventricular diastolic dimensions and decreased ejection fraction. Moderate and severe, but not mild MR is an important clinical contributor to in-hospital cardiac death.

Correspondence to Z. Valuckienė Department of Cardiology, Medical Academy, Lithuanian University of Health Sciences, Eivenių 2, 50161 Kaunas, Lithuania. E-mail address: z.valuckiene@gmail.com

Received 8 March 2014, accepted 9 February 2015, available online 25 March 2015.

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Medicina is a peer-reviewed monthly scientific journal of Lithuanian Medical Association, Lithuanian University of Health Sciences and Vilnius University

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