Reverse remodelling in heart failure with cardiac resynchronisation therapy

M St John Sutton1, M G Keane

  • 1Division of Cardiology, Department of Medicine, University of Pennsylvania Medical Center, Room 9017, Gates Pavilion, 3400, Spruce Street, Philadelphia, PA 19104, USA. suttonm@mail.med.upenn.edu

Insights

Cardiac resynchronisation therapy (CRT) effectively treats severe systolic heart failure by reversing adverse left ventricular (LV) remodelling. This innovative treatment improves heart function and prognosis in patients with chronic heart failure.

Area of Science:

  • Cardiology
  • Heart Failure Research
  • Medical Device Technology

Background:

  • Systolic heart failure is characterized by progressive left ventricular (LV) remodelling, leading to poor prognosis.
  • LV remodelling involves dilatation, reduced contractile function, and altered cavity shape, triggered by various factors.
  • Current treatments focus on slowing or halting this detrimental remodelling process.

Purpose of the Study:

  • To review the application of cardiac resynchronisation therapy (CRT) in managing chronic, severe, systolic heart failure.
  • To explore the concept of "reverse remodelling" as a therapeutic goal in heart failure.
  • To evaluate CRT's efficacy in achieving reverse remodelling and improving LV function.

Main Methods:

  • Review of existing literature on cardiac resynchronisation therapy and heart failure.
  • Analysis of studies investigating left ventricular remodelling in systolic heart failure.
  • Examination of data correlating CRT with changes in LV structure and function.

Main Results:

  • Cardiac resynchronisation therapy (CRT) is identified as a novel and effective treatment for systolic heart failure.
  • CRT is associated with significant "reverse remodelling" of the left ventricle.
  • This reverse remodelling involves partial reversal of LV dilatation and improved contractile function.

Conclusions:

  • Cardiac resynchronisation therapy (CRT) offers a promising therapeutic approach for severe systolic heart failure.
  • CRT facilitates reverse remodelling, counteracting the adverse effects of LV remodelling.
  • The findings support CRT as a valuable intervention for improving outcomes in heart failure patients.

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