High pulse pressure associated with cardiovascular events in patients with type 2 diabetes undergoing hemodialysis

Lydia Foucan1, Jacqueline Deloumeaux, Kheira Hue

  • 1Research group Clinical Epidemiology and Medicine of the University of Antilles and Guyane. lydia.foucan@chu-guadeloupe.fr

Insights

Pulse pressure (PP) is strongly associated with cardiovascular events in type 2 diabetes patients undergoing hemodialysis. Targeting predialysis blood pressure is crucial for managing cardiovascular risk in these patients.

Area of Science:

  • Nephrology
  • Cardiology
  • Diabetology

Background:

  • Patients with type 2 diabetes undergoing hemodialysis (HD) face increased cardiovascular (CV) risks.
  • Examining blood pressure parameters like systolic BP (SBP), diastolic BP (DBP), mean arterial pressure (MAP), and pulse pressure (PP) is vital in this population.

Purpose of the Study:

  • To investigate SBP, DBP, MAP, and PP in type 2 diabetes patients on HD.
  • To assess the relationship between these BP parameters and CV events, including coronary heart disease and congestive cardiac failure.

Main Methods:

  • A cross-sectional study included 80 Afro-Caribbean type 2 diabetic patients on HD in Guadeloupe.
  • Pre- and postdialysis blood pressure measurements were recorded.
  • Logistic regression and ROC curve analyses were employed.

Main Results:

  • 30% of patients experienced one or more CV events.
  • Predialysis PP was significantly higher in patients with CV comorbidity (84.5 mmHg) compared to those without (69.5 mmHg).
  • Adjusted analysis revealed a significant association of predialysis PP (OR 2.25) and SBP (OR 1.97) with CV morbidities, with PP showing a stronger association.

Conclusions:

  • Pulse pressure demonstrates the strongest association with cardiovascular morbidities in type 2 diabetes patients on hemodialysis.
  • Therapeutic strategies should consider predialysis blood pressure values, particularly PP, for antihypertensive treatment.
  • Targeting predialysis BP is essential for managing CV risk in this patient group.
Abstract

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