Left ventricular strain echocardiography in advanced uremic cardiomyopathy compared to dilated cardiomyopathy

Rizan Mohammadi1, Farnoosh Larti1, Roya Sattarzadeh Badkoubeh1

  • 1Department of Cardiology, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Keshavarz Boulevard, Tehran, 1419733141, Iran.

Insights

Advanced uremic cardiomyopathy (AUCM) patients exhibit significantly reduced global and segmental longitudinal strain compared to dilated cardiomyopathy (DCM). This cardiac dysfunction in AUCM highlights a key difference in myocardial function.

Area of Science:

  • Cardiology
  • Nephrology
  • Cardiac Imaging

Background:

  • Cardiac involvement is prevalent in end-stage renal disease (ESRD).
  • Advanced uremic cardiomyopathy (AUCM) represents a significant complication in ESRD patients.
  • Understanding myocardial strain patterns in AUCM is crucial for patient management.

Purpose of the Study:

  • To evaluate global and segmental longitudinal strain in AUCM patients.
  • To compare cardiac strain parameters between AUCM and dilated cardiomyopathy (DCM).
  • To identify distinct strain characteristics in AUCM.

Main Methods:

  • Utilized echocardiography to assess global and segmental longitudinal strain.
  • Compared strain values between patients with AUCM and DCM.
  • Analyzed strain patterns across different myocardial segments and base-to-apex gradients.

Main Results:

  • Mean global longitudinal strain (GLS) was significantly lower in AUCM patients (P=0.045).
  • AUCM showed reduced segmental strain in multiple regions, including inferoseptal, anterolateral, anteroseptal, and inferior segments, compared to DCM.
  • Both groups demonstrated an increase in segmental strain from base to apex.

Conclusions:

  • Segmental and global longitudinal strain are significantly diminished in AUCM relative to DCM.
  • The base-to-apex gradient of segmental strain is preserved in both AUCM and DCM.
  • These findings underscore the distinct myocardial impairment in AUCM.
Abstract

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