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Updated: Jun 1, 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

Effect of cardiac resynchronization therapy on libido and erectile dysfunction

Ahmet Vural1, Aysen Agacdiken, Umut Celikyurt

  • 1Department of Cardiology, Kocaeli University Medical Faculty, Kocaeli, Turkey.

Clinical Cardiology
|June 4, 2011
PubMed

Insights

Cardiac resynchronization therapy (CRT) significantly improves sexual function in men with chronic heart failure (HF). This therapy enhances libido and erectile function, positively impacting quality of life for HF patients.

Area of Science:

  • Cardiology
  • Sexual Medicine
  • Medical Devices

Background:

  • Chronic heart failure (HF) is a prevalent condition associated with reduced quality of life, including decreased libido and erectile dysfunction (ED).
  • The impact of cardiac resynchronization therapy (CRT) on sexual function in HF patients has not been previously investigated.
  • Understanding these effects is crucial for comprehensive patient care.

Purpose of the Study:

  • To evaluate the efficacy of cardiac resynchronization therapy (CRT) in improving libido and erectile function (ED) in male patients with advanced heart failure (HF).

Main Methods:

  • A cohort of 31 male patients with advanced HF undergoing CRT implantation were assessed.
  • Libido and ED were evaluated using the Aging Male Symptoms (AMS) rating scale and the Sexual Health Inventory for Men (SHIM) questionnaire, respectively.
  • Assessments were conducted before and 6 months after CRT implantation, alongside evaluations of left ventricular ejection fraction (LVEF) and New York Heart Association (NYHA) class.

Main Results:

  • CRT significantly improved NYHA class (3.4 to 2.1) and LVEF (18% to 32%) after 6 months (P<0.001 for both).
  • A significant increase in SHIM scores and a decrease in AMS scores indicated improved sexual function.
  • Improvements in sexual function correlated positively with increased LVEF and improved NYHA class.

Conclusions:

  • Cardiac resynchronization therapy (CRT) demonstrably enhances libido and erectile function in male patients suffering from congestive heart failure (HF).
  • These improvements in sexual health are directly linked to the therapy's positive effects on left ventricular ejection fraction (LVEF) and overall functional capacity.
Abstract

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