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Related Concept Videos

Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
398
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

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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...
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Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

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Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
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Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

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Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
478
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

266
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,...
266
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

667
Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Related Experiment Video

Updated: Dec 5, 2025

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA
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CABG in patients with left ventricular dysfunction: indications, techniques and outcomes.

Andrea Garatti1, Serenella Castelvecchio1, Alberto Canziani1

  • 1Department of Cardiovascular Disease "E. Malan", Cardiac Surgery Unit, IRCCS Policlinico S. Donato Hospital, San Donato Milanese, Via Morandi 30, 20097 Milan, Italy.

Indian Journal of Thoracic and Cardiovascular Surgery
|October 16, 2020
PubMed
Summary

Coronary artery bypass grafting (CABG) may improve survival in patients with ischemic heart failure and viable myocardium. Long-term follow-up of the STICH trial suggests CABG reduces mortality and readmissions compared to optimal medical therapy.

Keywords:
CABGHeart failureLeft ventricular dysfunction

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Author Spotlight: Enhancing Coronary Artery Revascularization
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Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Heart Failure Management

Background:

  • Ischemic chronic heart failure (CHF) presents significant morbidity, mortality, and healthcare costs.
  • The role of coronary artery bypass grafting (CABG) in improving outcomes for CHF patients with viable myocardium remains debated.
  • Historical studies like CASS showed benefits, while the initial STICH trial results were inconclusive.

Purpose of the Study:

  • To review current evidence on the effectiveness of CABG in patients with ischemic left ventricular dysfunction (LVD).
  • To clarify the role of CABG in managing ischemic heart failure by analyzing observational studies and randomized trials.
  • To discuss operative techniques and controversial aspects related to CABG for ischemic LVD.

Main Methods:

  • Review of existing literature, including observational studies and randomized controlled trials (RCTs).
  • Analysis of data from the Coronary Artery Surgery Study (CASS) and the Surgical Treatment for Ischemic Heart Failure (STICH) trial and its extension (STICHES).
  • Inclusion of discussions on surgical techniques and controversial issues in CABG for ischemic heart failure.

Main Results:

  • The STICH extension study (STICHES) showed a significant long-term reduction in all-cause mortality, cardiovascular mortality, and heart readmissions with CABG compared to optimal medical therapy (OMT).
  • Early results from the STICH trial did not show a significant difference between CABG and OMT in terms of all-cause mortality.
  • The presence of viable myocardium is a key factor influencing the potential benefit of revascularization.

Conclusions:

  • CABG may offer significant long-term survival benefits for selected patients with severe ischemic left ventricular dysfunction.
  • Further clarification of CABG's role requires careful consideration of patient selection, myocardial viability, and long-term outcome data.
  • The review aims to guide the current management of ischemic heart failure patients with LVD.