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Left ventricular dysfunction in the haemodialysis population

Manish M Sood1, Robert P Pauly2, Claudio Rigatto1

  • 1St Boniface General Hospital and the University of Manitoba , Winnipeg, Manitoba , Canada.

NDT Plus
|May 19, 2015
PubMed

Insights

Cardiovascular disease is a major concern for patients on hemodialysis, leading to increased mortality. Left ventricular dysfunction is common, but definitions and treatments remain challenging due to limited research.

Area of Science:

  • Nephrology
  • Cardiology

Background:

  • Cardiovascular disease (CVD) significantly contributes to mortality and morbidity in the hemodialysis population.
  • Left ventricular dysfunction (LVDys), including geometric and functional disorders, is highly prevalent and linked to increased mortality in hemodialysis patients.
  • Hypertension, ischemic heart disease, and dilated cardiomyopathy are common causes of LVDys in this population.

Purpose of the Study:

  • To highlight the diagnostic and therapeutic challenges associated with left ventricular dysfunction in hemodialysis patients.
  • To review current understanding and potential future directions for managing CVD in this vulnerable group.

Main Methods:

  • Literature review focusing on the prevalence, definition, and management of left ventricular dysfunction in hemodialysis patients.
  • Discussion of diagnostic limitations, such as echocardiography's volume dependency.
  • Exploration of evidence from non-dialysis populations and emerging interventional therapies.

Main Results:

  • Left ventricular dysfunction is inadequately defined in current literature, complicating diagnosis and treatment.
  • Echocardiography screening can underestimate left ventricular ejection fraction due to volume status dependency.
  • Limited randomized controlled trials exist, necessitating extrapolation of data from non-dialysis populations.

Conclusions:

  • Standardizing the definition and improving diagnostic accuracy for LVDys in hemodialysis patients is crucial.
  • Interventional cardiac procedures like defibrillator implantation and cardiac resynchronization therapy show potential.
  • Exploring alternative dialysis modalities (peritoneal, short-daily, nocturnal) may offer therapeutic benefits for cardiovascular health.

Keywords:
beta blockerscardiac defibrillatorshaemodialysisleft ventricular dysfunctionnocturnal haemodialysis

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