Pre-transplant left ventricular diastolic dysfunction is associated with post transplant acute graft rejection and

Chetan Mittal1, Waqas Qureshi, Sumit Singla

  • 1Department of Internal Medicine, Henry Ford Health Systems, Detroit, MI, USA.

Insights

Pre-transplant diastolic dysfunction (DD) significantly increases the risk of acute cellular rejection (ACR), graft failure, and mortality in liver transplant recipients (LTR). Cardiac evaluation before liver transplantation is crucial for better outcomes.

Area of Science:

  • Cardiology
  • Hepatology
  • Transplantation Science

Background:

  • Acute cellular rejection (ACR) is a major cause of graft failure in liver transplant recipients (LTR).
  • Diastolic dysfunction (DD) is common in patients with cirrhosis awaiting liver transplantation.
  • The relationship between pre-transplant DD and ACR risk remains unclear.

Purpose of the Study:

  • To investigate the association between pre-transplant diastolic dysfunction (DD) and the risk of acute cellular rejection (ACR) in liver transplant recipients (LTR).
  • To evaluate DD as a predictor of graft failure and all-cause mortality post-liver transplantation.

Main Methods:

  • Retrospective analysis of consecutive LTR data from 2000-2010.
  • Primary outcome: biopsy-proven ACR. Secondary outcomes: graft failure and all-cause mortality.
  • Cox proportional hazard modeling adjusted for covariates to assess DD as a predictor.

Main Results:

  • 14.9% of LTR (n=145) had pre-transplant DD.
  • DD significantly increased the risk of ACR (HR 10.56), graft failure (HR 2.09), and mortality (HR 1.52).
  • Increased risk correlated with DD severity, even after adjusting for multiple risk factors.

Conclusions:

  • Pre-transplant diastolic dysfunction is a significant independent predictor of adverse outcomes in LTR.
  • Cardiac assessment prior to liver transplantation is vital for identifying high-risk patients.
  • Findings underscore the importance of pre-transplant cardiac evaluation to mitigate rejection and improve survival.
Abstract

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