Association between preoperative toe perfusion index and maternal core temperature decrease during cesarean delivery under spinal anesthesia: A prospective cohort study
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The main mechanism of body temperature decrease during cesarean delivery under spinal anesthesia is core-to-peripheral redistribution of body heat, attributable to vasodilation. Perfusion index (PI) obtained with a pulse oximeter helps to assess peripheral perfusion dynamics by detecting the change in peripheral vascular tone.
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