Prediction of Hypotension During Spinal Anesthesia for Elective Cesarean Section by Altered Heart Rate Variability Induced by Postural Change

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(Int J Obstet Anesth. 2017;29:34–38)

Hypotension is a common problem during cesarean deliveries performed under spinal anesthesia. Identifying patients at risk for spinal-induced hypotension could be useful for the management of anesthesia as maternal hypotension can have deleterious effects on both the mother and child. Previous work has found maternal heart rate variability to be useful in predicting which parturients will develop hypotension during spinal anesthesia. It has also been suggested that changes in maternal heart rate with changes in maternal position could be predictive of patients at risk for developing hypotension. This study was devised to assess whether heart rate variability changes caused by maternal position changes could be a predictor of hypotension during spinal anesthesia.

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