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[Body temperature changes during combined inhalational and epidural anesthesia]
K Uchida1, M Hayashida, R Kawate
1Department of Anesthesiology, University of Tokyo Hospital.
Masui. the Japanese Journal of Anesthesiology
|October 24, 1998
Summary
Combined anesthesia affects body temperature by redistributing heat. Peripheral hypothermia, induced by anesthetics, causes a core temperature drop, impacting thermoregulation during surgery.
Area of Science:
- Anesthesiology
- Physiology
Context:
- Investigating the impact of combined inhalational and lumbar epidural anesthesia on body temperature regulation.
- Focusing on long-lasting lower abdominal surgeries in 8 female patients.
Purpose:
- To analyze the effects of combined anesthesia on core and peripheral body temperatures.
- To understand the relationship between peripheral temperature changes and core temperature fluctuations during surgical anesthesia.
Summary:
- Combined anesthesia led to initial peripheral temperature shifts (toe warming, fingertip cooling) with stable core temperature.
- General anesthesia induction caused core temperature decrease, influenced by toe tip temperature.
- Isoflurane administration altered peripheral and core temperatures, with dose-dependent effects on thermoregulatory vasoconstriction.
Impact:
- Anesthetic-induced heat redistribution significantly impacts core body temperature throughout surgical procedures.
- Peripheral hypothermia can lead to a core temperature drop when initiated by anesthetic agents.
- Thermoregulatory vasoconstriction plays a dual role in heat loss suppression and core temperature maintenance via heat centralization.