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[Effect of induced hypothermia on the systemic circulation]
A Escalda1, N Alves, M Escalda
1Instituto de Fisiologia da Faculdade de Medicina de Lisboa, Lisbonne.
Comptes Rendus Des Seances De La Societe De Biologie Et De Ses Filiales
|January 1, 1988
Summary
Hypothermia in dogs significantly reduces cardiac output and blood pressure. Researchers suggest metabolic changes during hypothermia cause these cardiovascular effects.
Area of Science:
- Cardiovascular Physiology
- Comparative Physiology
Context:
- Hypothermia impacts physiological systems.
- Understanding systemic circulation during cold exposure is crucial.
Purpose:
- To investigate the effects of hypothermia on systemic circulation in dogs.
Summary:
- Cardiac output, mean arterial pressure, total peripheral resistance, and pulse rate decreased in dogs during hypothermia.
- Stroke volume was observed to increase.
- These alterations are hypothesized to stem from metabolic changes induced by hypothermia.
Impact:
- Provides insights into canine cardiovascular responses to cold.
- Informs potential therapeutic strategies for hypothermia.
- Contributes to the understanding of physiological adaptation to low temperatures.