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Hypertension in chronic renal failure and ESRD: prevalence, pathophysiology, and outcomes

L U Mailloux1

  • 1New York University School of Medicine, NY, USA. lihbpneph@aol.com

Seminars in Nephrology
|March 14, 2001
PubMed

Insights

Cardiovascular diseases are the leading cause of death in patients with kidney disease, despite advances in treatment. Understanding the complex interplay of hypertension and other risk factors is crucial for developing effective therapies.

Area of Science:

  • Nephrology
  • Cardiology
  • Internal Medicine

Background:

  • Cardiovascular disease (CVD) is the primary cause of mortality in patients with end-stage renal disease (ESRD).
  • Despite technological and pharmacological advancements over 40 years, CVD remains the leading cause of death across all stages of renal disease, including chronic renal insufficiency, ESRD on dialysis, and renal transplant recipients.
  • The high prevalence of CVD in renal patients is linked to numerous cardiovascular risk factors, including hypertension, cardiac fibrosis, hypertrophy, dyslipidemia, smoking, and sympathetic overactivity.

Purpose of the Study:

  • To highlight the persistent and increasing burden of cardiovascular diseases in patients with chronic kidney disease.
  • To emphasize the critical need for a comprehensive understanding of the pathophysiology and prevalence of hypertension and its associated cardiovascular risks in renal patients.
  • To underscore the importance of this understanding for the development of more effective therapies and clinical trials.

Main Methods:

  • Analysis of national data, specifically from the US Renal Data System (USRDS).
  • Review of existing literature on cardiovascular risk factors and their prevalence in renal patient populations.
  • Examination of the interaction between hypertension and other cardiovascular risks in the context of chronic kidney disease.

Main Results:

  • Left ventricular hypertrophy and abnormal echocardiograms are observed in 75%–80% of incident dialysis patients.
  • The prevalence of underlying cardiac disease is increasing in patients with chronic renal failure.
  • Nephrologists are currently managing an epidemic of cardiovascular diseases within their patient population.

Conclusions:

  • Cardiovascular diseases represent a major and growing health crisis in patients with renal impairment.
  • A deeper understanding of hypertension and associated risk factors in renal disease is essential for improving patient outcomes.
  • Targeted therapies and well-designed clinical trials are needed to address the high cardiovascular mortality in this vulnerable population.

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