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Updated: Feb 12, 2026

Measurements of Physiological Stress Responses in C. Elegans
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Physiological stress response patterns during a blood donation.

M D Hoogerwerf1,2,3, I J T Veldhuizen2, M P Tarvainen4,5

  • 1Department Donor Studies, Sanquin Research, Amsterdam, The Netherlands.

Vox Sanguinis
|March 26, 2018
PubMed
Summary

Blood donation induces physiological stress, with blood pressure and heart rate increasing upon needle insertion and decreasing afterward. These stress responses varied by gender and donation experience.

Keywords:
blood donorsblood pressureheart ratestress, physiological

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Area of Science:

  • Physiology
  • Psychology
  • Health Sciences

Background:

  • Blood donation is linked to psychological stress.
  • This study examines physiological stress responses during blood donation.
  • Investigates differences based on gender, experience, and non-acute stress levels.

Purpose of the Study:

  • To determine if blood donation induces physiological stress.
  • To analyze physiological stress patterns (blood pressure, heart rate variability) during donation.
  • To identify how gender, donation experience, and non-acute stress influence these responses.

Main Methods:

  • Measured physiological stress (blood pressure, pulse rate, pulse rate variability) in 372 donors.
  • Assessed pulse rate variability using time (RMSSD) and frequency (LF, HF) domain parameters.
  • Analyzed data using multilevel models to compare demographic and stress-related groups.

Main Results:

  • All stress measures showed significant patterns, peaking near needle insertion and declining below baseline.
  • Systolic blood pressure, RMSSD, LF, and HF increased towards needle insertion.
  • Diastolic blood pressure increased, and pulse rate exhibited a U-shaped curve; women and first-time donors showed distinct stress responses.

Conclusions:

  • Blood donation demonstrably increases physiological stress, particularly around needle insertion.
  • Physiological stress levels decrease after donation, falling below initial levels.
  • Gender and prior donation experience significantly modulate physiological stress responses during blood donation.