Why the study?
Perfusion index has been used as a marker of peripheral perfusion, but its utility to predict hypotension following spinal anesthesia for caesarean section needed evaluation.
Does a baseline perfusion index > 3.5 predict a higher incidence of hypotension compared to ≤ 3.5 in parturients undergoing caesarean section under spinal anesthesia?
Design
Prospective, double blind, observational study
Authors
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May identify parturients at higher post-spinal hypotension risk for targeted prophylaxis; leaves open whether routine PI measurement improves outcomes in caesarean delivery.
Does a baseline perfusion index > 3.5 predict a higher incidence of hypotension compared to ≤ 3.5 in parturients undergoing caesarean section under spinal anesthesia?
A baseline perfusion index > 3.5 is associated with a significantly higher risk of hypotension following spinal anesthesia for caesarean section.
Lal et al. (2022) studied this question.
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