Comparison of Cardioplegic Solutions in Coronary Bypass Surgery Over Autophagy and Apoptosis Mechanisms

Overview

Journal Arq Bras Cardiol

Specialty Cardiology & Vascular Diseases

Date 2023 Jul 19

PMID 37466618

Authors

Elif Funda Sener

Zuhal Hamurcu

Serpil Taheri

Reyhan Tahtasakal

Nesrin Delibasi

Deniz Elcik

Ecmel Mehmetbeyoglu

Aydin Tuncay

Fatma Dal

Keziban Korkmaz Bayram

Isin Gunes

Omer Naci Emirogullari

Affiliations

Soon will be listed here.

Abstract

Background: Coronary artery disease (CAD) due to myocardial ischemia causes permanent loss of heart tissue.

Objectives: We aimed to demonstrate the possible damage to the myocardium at the molecular level through the mechanisms of autophagy and apoptosis in coronary bypass surgery patients.

Methods: One group was administered a Custodiol cardioplegia solution, and the other group was administered a Blood cardioplegia solution. Two myocardial samples were collected from each patient during the operation, just before cardiac arrest and after the aortic cross-clamp was released. The expressions of autophagy and apoptosis markers were evaluated. The level of statistical significance adopted was 5%.

Results: The expression of the BECLIN gene was significant in the myocardial tissues in the BC group (p=0.0078). CASPASE 3, 8, and 9 gene expression levels were significantly lower in the CC group. Postoperative TnT levels were significantly different between the groups (p=0.0072). CASPASE 8 and CASPASE 9 gene expressions were similar before and after aortic cross-clamping (p=0.8552, p=0.8891). In the CC group, CASPASE 3, CASPASE 8, and CASPASE 9 gene expression levels were not found to be significantly different in tissue samples taken after aortic cross-clamping (p=0.7354, p=0.0758, p=0.4128, respectively).

Conclusions: With our findings, we believe that CC and BC solutions do not have a significant difference in terms of myocardial protection during bypass operations.

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