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A Retrospective Comparative Study of Del Nido Versus Intermittent St Thomas Hospital Blood Cardioplegia Solutions in Aortic-Mitral Double Valve Replacement
Article | IMSEAR | ID: sea-202761
ABSTRACT

Introduction:

It is not uncommon in patients, havingrheumatic mitral and aortic valve disease, to undergo mitralvalve replacement with aortic valve replacement that is,double valve replacement (DVR) operation who oftenhave severe cardiac dysfunction optimized with medicalmanagement before surgery. In this retrospective studywe investigated 60 such patients, who underwent DVRoperation with either conventional cold blood cardioplegiawith St Thomas 2 solution (STH), or del Nido cardioplegia(DN) over five years and compared the effects of the twotypes of cardioplegia during perioperative and postoperativeperiod with simultaneous comparative study betweenchanges of cardiac performances in the patients with largerleft ventricle as compared to those with less enlargedones.Material and

methods:

For this retrospective study, the dataof 60 patients of DVR over five years, in Medical College,Kolkata, India, were retrieved for study. The cases wereplaced into 2 groups STH and DN according to cardioplegiaused during DVR. Demographic, echocardiographic, andseveral perioperative and postoperative data of the two groupsof patients, were collected. Differences between perioperativebehaviour between STH and DN groups and post operativechanges in the echocardiographic parameters betweenpredominantly mitral stenosis (MS) and mitral regurgitation(MR) patients, were analyzed.

Results:

The aortic cross clamp (CC) and cardiopulmonarybypass (CPB) time in both predominant MS and MR patientswas shorter in the DN than the STH groups. There was lessarrhythmia, less inotropic and ventilator support in the DNgroup. There was 10% mortality in the series with majoritybeing in the STH and MR predominant patients. Postoperativeimprovement of LVEF, reduction of LVIDS and LVIDDwere also observed in MS predominant in comparison toMR predominant patients after DVR in both STH and DNgroups.

Conclusion:

Use of DN has been found to have a betteroutcome and survival when compared to STH cardioplegiasolution. DVR could reversely remodel depressed heartswith relatively smaller LV volume and restore LV functionof relatively smaller LV of predominant MS patients betterin comparison to MR predominant patients with relativelydilated hearts.

Full text: Available Index: IMSEAR (South-East Asia) Type of study: Observational study Year: 2020 Type: Article

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Full text: Available Index: IMSEAR (South-East Asia) Type of study: Observational study Year: 2020 Type: Article