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Cardiovascular response in anemia.

A Mani1, T Singh, R Calton

  • 1Department of Pediatrics, Christian Medical College, Ludhiana, Punjab, India.

Indian Journal of Pediatrics
|May 7, 2005
PubMed
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Nutritional anemia in children compromises cardiovascular response to exercise, impacting their physical potential. Early prevention is crucial for school-aged children to ensure optimal development and activity levels.

Area of Science:

  • Pediatric Cardiology
  • Sports Medicine
  • Nutritional Science

Background:

  • Nutritional anemia is a prevalent condition in children, potentially affecting physiological functions.
  • Exercise performance is a key indicator of overall health and functional capacity in pediatric populations.

Purpose of the Study:

  • To investigate the functional consequences of nutritional anemia by evaluating exercise performance in anemic children.
  • To assess the impact of anemia severity on cardiovascular responses during physical exertion.

Main Methods:

  • A comparative study involving 30 anemic children (mild and moderate severity) and 30 healthy controls, aged 7-14 years.
  • Exercise testing using a modified Bruce protocol on a stress treadmill with continuous electrocardiographic monitoring.

Related Experiment Videos

  • Evaluation of parameters including heart rate, systolic blood pressure, double product, ECG changes, metabolic equivalents (METS), and exercise duration.

    • Main Results:

    • Anemic children exhibited a significantly lower end-point heart rate in the fatigue group and achieved fewer metabolic equivalents (METS).
    • Anemic children showed a greater percentage gain in systolic blood pressure at peak exercise and during recovery.
    • Electrocardiographic changes, primarily ST depression, were significantly more frequent in anemic children, particularly those with moderate anemia.

    Conclusions:

    • Children with nutritional anemia demonstrate compromised cardiovascular responses to physical exercise.
    • This compromise may limit their ability to reach full potential in physical activities and school-based exercises.
    • Prioritizing anemia prevention in school-aged children is essential for their optimal physical development and performance.