Effect of multidisciplinary cardiac rehabilitation on the response to cardiac resynchronization therapy

Pieter Martens1,2, Guy Jacobs1, Matthias Dupont1

  • 1Department of Cardiology, Ziekenhuis Oost-Limburg, Genk, Belgium.

Cardiovascular Therapeutics
|September 22, 2018
PubMed

Insights

Cardiac resynchronization therapy (CRT) combined with cardiac rehabilitation (CR) improves heart failure outcomes. Participation in CR post-CRT implant is safe and enhances symptomatic status and long-term survival.

Area of Science:

  • Cardiology
  • Heart Failure Management
  • Rehabilitation Medicine

Background:

  • Cardiac resynchronization therapy (CRT) and multidisciplinary cardiac rehabilitation (CR) improve heart failure outcomes.
  • The combined impact of CRT and CR requires further investigation.

Purpose of the Study:

  • To evaluate the effect of a structured cardiac rehabilitation program on patients undergoing cardiac resynchronization therapy.
  • To assess the influence of CR on functional status, reverse remodeling, and clinical outcomes post-CRT.

Main Methods:

  • Retrospective analysis of 655 CRT patients, divided into those who did and did not participate in CR.
  • Assessment of New York Heart Association (NYHA) class, left ventricular ejection fraction (LVEF), and a combined endpoint of heart failure readmission/all-cause mortality.
  • Multivariate correction was applied to analyze the data.

Main Results:

  • 34% of patients participated in CR; no adverse events were reported.
  • CR participants showed significant improvements in NYHA class, maximal workload, and VO2max at 6 months, even after adjustment.
  • While CR showed a trend towards improved LVEF, this was not significant after multivariate correction. CR was associated with significantly higher event-free survival for the combined endpoint.

Conclusions:

  • Structured cardiac rehabilitation is safe and beneficial for patients post-CRT implant.
  • CR positively impacts symptomatic status and clinical outcomes, potentially independent of CRT's reverse remodeling effects.
  • Combining CRT with CR offers additive benefits for heart failure patients.
Abstract

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