Medical Therapy Versus Revascularization in Patients with Stable Ischemic Heart Disease and Advanced Chronic Kidney

Timir K Paul1, Mamas A Mamas2,3, Madhan Shanmugasundaram4

  • 1Department of Medicine, Division of Cardiology, East Tennessee State University, 329 N State of Franklin Rd, Johnson City, TN, 37604, USA. pault@etsu.edu.

Insights

For stable ischemic heart disease (SIHD) patients with advanced chronic kidney disease (CKD), optimal medical therapy (OMT) shows similar outcomes to revascularization. Revascularization does not improve mortality, heart attacks, or angina relief in this high-risk group.

Area of Science:

  • Cardiology
  • Nephrology
  • Clinical Trials

Background:

  • Stable ischemic heart disease (SIHD) and advanced chronic kidney disease (CKD) represent a complex comorbidity.
  • Optimal medical therapy (OMT) is the cornerstone of SIHD management, but its role relative to revascularization in CKD patients is debated.

Purpose of the Study:

  • To review current evidence comparing OMT with coronary revascularization in patients with SIHD and advanced CKD.
  • To evaluate the impact of invasive versus conservative strategies on clinical outcomes and symptoms in this population.

Main Methods:

  • Analysis of post hoc data from the COURAGE trial for SIHD patients with CKD.
  • Inclusion of data from the ISCHEMIA-CKD trial, a randomized controlled trial involving 777 patients with advanced CKD.

Main Results:

  • No significant difference in angina, death, or myocardial infarction (MI) between OMT and revascularization in SIHD patients with CKD (COURAGE trial).
  • ISCHEMIA-CKD trial showed no difference in death or MI at 3 years, but a higher rate of death or new dialysis with revascularization.
  • No sustained benefits in angina-related health status were observed with an invasive strategy compared to OMT.

Conclusions:

  • An initial revascularization strategy does not reduce mortality, MI, or improve angina symptoms in patients with SIHD and advanced CKD.
  • Optimal medical therapy (OMT) appears to be a safe and effective strategy for managing SIHD in patients with advanced CKD.
Abstract

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