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Blood pressure measurements and left ventricular mass index in hemodialysis patients

Robert Ekart1, Vojko Kanič, Breda Pečovnik-Balon

  • 1Departments of Dialysis Cardiology Nephrology, Clinic for Internal Medicine, University Medical Centre Maribor, Ljubljanska 5, Maribor, Slovenia. robert.ekart2@guest.arnes.si

Artificial Organs
|February 8, 2012
PubMed

Insights

Left ventricular hypertrophy (LVH) in hemodialysis (HD) patients is linked to cardiovascular risks. Longer blood pressure monitoring, specifically 1-month post-HD and 48-hour ABPM, showed a significant association with LVH.

Area of Science:

  • Nephrology
  • Cardiology
  • Hypertension Research

Background:

  • Left ventricular hypertrophy (LVH) is a prevalent cardiac issue in hemodialysis (HD) patients, significantly increasing mortality risk.
  • Arterial hypertension and fluid overload (indicated by inferior vena cava diameter) are key contributors to LVH in this population.

Purpose of the Study:

  • To investigate the relationship between LVH, inferior vena cava (IVC) diameter, and various blood pressure (BP) measurements in HD patients.
  • To determine if prolonged BP monitoring is more effective in identifying associations with LVH.

Main Methods:

  • Eighty-five HD patients underwent echocardiography to calculate left ventricular mass index (LVMI) and ultrasonography to measure IVC diameter.
  • Blood pressure was assessed using standard sphygmomanometry (pre/post-HD), 1-month average BP, and 24/48-hour ambulatory blood pressure monitoring (ABPM).

Main Results:

  • A significant correlation was found between LVMI and mean monthly post-HD systolic BP (P < 0.05).
  • LVMI also showed a significant association with mean 48-hour diastolic BP (P < 0.05).
  • Only extended BP monitoring durations (1-month average and 48-hour ABPM) demonstrated a statistically significant link with LVMI.

Conclusions:

  • Longer-term blood pressure measurements, including 1-month post-HD BP and 48-hour ABPM, are crucial for identifying associations with LVH in hemodialysis patients.
  • These findings highlight the importance of comprehensive BP assessment for managing cardiovascular risk in HD patients.

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