Evaluation of myocardial performance index to predict mild rejection in cardiac transplantation

Clinical Cardiology
Savvas T ToumanidisStamatios F Stamatelopoulos

Abstract

Early diagnosis of heart transplant rejection is mandatory, since even mild rejection can rapidly progress to more severe rejection. Noninvasive diagnosis of heart transplant rejection still remains a challenge. The purpose of the study was to determine a possible association between myocardial performance index (MPI) and biopsy score of the heart transplant. This is a retrospective cohort analysis of 99 complete Doppler echocardiographic studies from 24 consecutive patients (23 men) performed within 24 h of endomyocardial biopsy. Mean age of the cohort was 50 +/- 9 years and mean time from transplantation was 19 +/- 21 months (1-81). All patients were in sinus rhythm. Myocardial performance index was calculated as the ratio of isovolumic contraction time plus isovolumic relaxation time divided by ejection time. Left ventricular dimensions, left ventricular mass, ejection fraction, and a number of Doppler indices (E-point velocity, A-point velocity, deceleration time, and deceleration slope) were also measured. The International Society for Heart and Lung Transplantation (ISHLT) grading system was used for the classification of endomyocardial biopsies. Myocardial performance index was significantly prolonged (0.60 +/- 0.13, 0.6...Continue Reading

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Citations

May 28, 2008·The Journal of Heart and Lung Transplantation : the Official Publication of the International Society for Heart Transplantation·Joseph W RossanoWilliam J Dreyer
May 30, 2006·The Journal of Heart and Lung Transplantation : the Official Publication of the International Society for Heart Transplantation·S SchubertF Berger
Dec 25, 2010·Clinical Cardiology·Elektra S PapadopoulouSpyridon D Moulopoulos

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