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Autonomic functions in chronic severe anaemia

K Singh1, P I Singh

  • 1Department of Physiology, Medical College, Rohtak.

Indian Journal of Medical Sciences
|April 1, 1994
PubMed
Summary

Chronic severe anemia may increase sympathetic nervous system activity, leading to higher heart rate and systolic blood pressure. Diastolic blood pressure and breathing patterns remained unchanged in anemic patients compared to controls.

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Area of Science:

  • Physiology
  • Cardiovascular System
  • Autonomic Nervous System

Background:

  • Chronic severe anemia is a condition affecting oxygen transport.
  • Autonomic nervous system (ANS) regulates involuntary bodily functions.
  • The impact of anemia on ANS function requires further elucidation.

Purpose of the Study:

  • To evaluate autonomic functions in patients with uncomplicated chronic severe anemia.
  • To investigate potential alterations in sympathetic and parasympathetic nervous system activity.

Main Methods:

  • Comparison of autonomic function tests between anemic individuals and a control group.
  • Measurement of heart rate, systolic blood pressure, and diastolic blood pressure.
  • Assessment of expiration/inspiration ratio and basal lung volume (BVL).

Main Results:

  • Anemic patients exhibited elevated heart rate and systolic blood pressure compared to controls.
  • No significant difference was observed in diastolic blood pressure between the groups.
  • Expiration/inspiration ratio and BVL showed no significant variations.

Conclusions:

  • Findings suggest a potential increase in sympathetic nervous system activity in chronic severe anemia.
  • Altered cardiovascular responses may be linked to compensatory mechanisms in anemia.
  • Further research is warranted to confirm the role of the ANS in anemia pathophysiology.

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