Related Experiment Video

Updated: Jul 7, 2026

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

Coronary sinus side branches for cardiac resynchronization therapy: prospective evaluation of availability, implant

Gabor Z Duray1, Stefan H Hohnloser, Carsten W Israel

  • 1Department of Medicine, Division of Cardiology, Section Clinical Electrophysiology, J. W. Goethe University, Frankfurt, Germany.

Journal of Cardiovascular Electrophysiology
|February 27, 2008
PubMed

Insights

Cardiac resynchronization therapy (CRT) patients often have multiple coronary side branches (CS-SB) suitable for LV lead implantation. Successful implantation in the first choice CS-SB occurs in 71% of cases.

Area of Science:

  • Cardiology
  • Medical Devices
  • Electrophysiology

Background:

  • Limited data exists on coronary side branch (CS-SB) anatomy for left ventricular (LV) lead implantation in cardiac resynchronization therapy (CRT).
  • Understanding CS-SB availability is crucial for successful CRT device implantation.

Purpose of the Study:

  • To investigate the anatomy of coronary side branches (CS-SB) for left ventricular (LV) lead implantation in patients undergoing cardiac resynchronization therapy (CRT).
  • To determine the success rates and procedural variables associated with LV lead implantation in various CS-SBs.

Main Methods:

  • Detailed venograms were obtained in patients undergoing CRT device implantation.
  • Coronary side branches (CS-SB) were categorized by choice (first, second, third, fourth) for LV lead implantation.
  • Study endpoints included LV lead implantation success, number of available CS-SBs, procedural times, and 6-month CRT response.

Main Results:

  • In 77% of patients, 3 or 4 suitable CS-SBs were available for LV lead implantation.
  • Successful LV lead implantation in the first choice CS-SB was achieved in 71% of patients.
  • Implantation in the first choice CS-SB was associated with shorter procedure and fluoroscopy times compared to subsequent choices.

Conclusions:

  • At least three suitable CS-SBs are available in most patients undergoing CRT device implantation.
  • First choice CS-SB implantation success is 71% and is not significantly influenced by the specific CS-SB region.
Abstract

More Related Videos

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation16:40

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation

Published on: February 28, 2012

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

Cardiac Catheterization I: Pre-Procedure Overview

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...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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,...