Related Experiment Video

Updated: Oct 13, 2026

Protection of H9c2 Myocardial Cells from Oxidative Stress by Crocetin via PINK1/Parkin Pathway-Mediated Mitophagy
07:40

Protection of H9c2 Myocardial Cells from Oxidative Stress by Crocetin via PINK1/Parkin Pathway-Mediated Mitophagy

Published on: May 26, 2023

Myocardial protection: an overview

J Vinten-Johansen1, V H Thourani

  • 1Department of Surgery, Carlyle Fraser Heart Center of Emory University, Atlanta, Georgia 30365, USA.

The Journal of Extra-Corporeal Technology
|August 18, 2000
PubMed

Insights

Myocardial protection during cardiac surgery aims to reduce iatrogenic injury and prevent reperfusion damage. Cardioplegia solutions, delivered via hypothermia and asystole, are key to achieving these goals.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Cardioprotection

Background:

  • Cardiac surgery necessitates myocardial protection to prevent surgical and cardiopulmonary bypass-induced injury.
  • Preventing reperfusion injury after coronary occlusion and aortic cross-clamp release is critical.

Purpose of the Study:

  • To outline the goals of myocardial protection in cardiac surgery.
  • To highlight the role of cardioplegia in mitigating ischemic and reperfusion injury.

Main Methods:

  • Cardioplegia solutions are utilized as selective perfusion agents.
  • Strategies involve inducing hypothermia and asystole.
  • Adjunctive agents and pharmacologic therapies are incorporated into cardioplegia delivery.

Main Results:

  • Cardioplegia effectively alters or inhibits ischemic injury through hypothermia and asystole.
  • Cardioplegia solutions serve as vectors for adjunctive agents to prevent reperfusion injury.
  • Future strategies may involve direct systemic delivery of therapeutic agents.

Conclusions:

  • Cardioplegia is a cornerstone of myocardial protection strategies in cardiac surgery.
  • Optimizing cardioplegia delivery and composition is essential for preventing myocardial damage.
  • Novel systemic delivery methods are being explored for future cardiac procedures.

More Related Videos

A Microscopic 2,3,5-Triphenyltetrazolium Chloride Assay for Accurate and Reliable Analysis of Myocardial Injury11:17

A Microscopic 2,3,5-Triphenyltetrazolium Chloride Assay for Accurate and Reliable Analysis of Myocardial Injury

Published on: November 28, 2025

Murine Isolated Heart Model of Myocardial Stunning Associated with Cardioplegic Arrest08:30

Murine Isolated Heart Model of Myocardial Stunning Associated with Cardioplegic Arrest

Published on: August 6, 2015

Related Concept Videos

Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and narrowing...
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...