Coronary artery diameter and left ventricular function in patients on maintenance hemodialysis treatment: comparison

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K Hatada1, T Sugiura, S Nakamura

  • 1Second Department of Internal Medicine, Kansai Medical University, Osaka, Japan. hatada@takii.kmu.ac.jp

Nephron
|November 10, 1998
PubMed

Insights

Diabetes mellitus in patients undergoing hemodialysis is linked to narrower coronary arteries and increased left ventricular end-diastolic pressure, despite no significant blockages. This impacts cardiac function in end-stage renal disease patients.

Area of Science:

  • Cardiology
  • Nephrology
  • Diabetology

Background:

  • End-stage renal disease (ESRD) patients on maintenance hemodialysis often have cardiovascular complications.
  • Diabetes mellitus is a significant risk factor for cardiovascular disease in ESRD.
  • The impact of diabetes on coronary artery dimensions and left ventricular function in ESRD patients requires further investigation.

Purpose of the Study:

  • To investigate the role of diabetes mellitus in determining left ventricular function.
  • To evaluate coronary artery diameter in patients with ESRD undergoing maintenance hemodialysis.
  • To assess the relationship between diabetes, coronary artery dimensions, and left ventricular pressures.

Main Methods:

  • A comparative study of 12 diabetic and 12 non-diabetic ESRD patients on maintenance hemodialysis.
  • Echocardiography to measure left ventricular dimensions and wall thickness.
  • Coronary angiography with computed densitometry to measure coronary artery diameter and assess calcification.

Main Results:

  • Diabetic patients exhibited significantly smaller coronary artery diameters and a higher frequency of coronary artery calcification compared to non-diabetic patients.
  • No significant differences were observed in left ventricular wall thickness, diameter, mean right atrial pressure, or cardiac index between the groups.
  • Left ventricular end-diastolic pressure was significantly higher in diabetic patients (22 ± 9 mm Hg) than in non-diabetic patients (14 ± 5 mm Hg).

Conclusions:

  • Diffuse luminal narrowing of epicardial coronary arteries in diabetic ESRD patients on hemodialysis is associated with increased left ventricular end-diastolic pressure.
  • Diabetes mellitus contributes to coronary artery abnormalities in ESRD patients, impacting cardiac hemodynamics.
  • These findings highlight the importance of managing diabetes to mitigate cardiovascular risk in ESRD patients on hemodialysis.
Abstract

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