Expanding role of a blood center

Jaisy Mathai1, Sulochana P Vasu, Sathyabhama Subhadramma

  • 1Department of Transfusion Medicine, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.

Insights

Approximately 1% of healthy blood donors have undetected hypertension. This study highlights the importance of screening for hypertension in seemingly healthy individuals, with higher BMI noted in hypertensive donors.

Area of Science:

  • Cardiology
  • Public Health
  • Transfusion Medicine

Background:

  • Undetected hypertension poses a significant public health risk.
  • Blood donors represent a segment of the healthy population, offering an opportunity for screening.

Purpose of the Study:

  • To estimate the proportion of undetected hypertension among prospective blood donors.
  • To compare demographic and anthropometric data between hypertensive and normotensive blood donors.

Main Methods:

  • Prospective study involving blood donors deferred due to hypertension.
  • Comparison with age- and sex-matched normotensive control donors.
  • Hypertension assessment based on WHO-ISH and US JNC criteria.

Main Results:

  • Approximately 0.95% of healthy blood donors presented with undetected hypertension.
  • The mean age of hypertensive donors at detection was 35.44 ± 7.69 years.
  • Hypertensive donors exhibited a significantly higher Body Mass Index (BMI) compared to controls (P < 0.0001).

Conclusions:

  • Around 1% of healthy individuals screened through blood donation may have undiagnosed hypertension.
  • This finding provides a preliminary estimate of undetected hypertension in the local healthy population.
  • Elevated BMI is associated with hypertension in this donor cohort.
Abstract

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