Prediction of hypotension using Perfusion index following spinal anesthesia in caesarean section
Keywords:
Perfusion index, spinal anesthesia, hypotension, pregnancyAbstract
Objective : To estimate the correlation between baseline perfusion index and incidence of hypotension, to examine baseline perfusion index could predict the incidence of hypotension following spinal anesthesia in caesarean section.
Method : In this prospective study, 33 parturients belonging to ASA physical status 2 with uncomplicated pregnancies scheduled for elective caesarean section following spinal anesthesia were included in study. The correlation between baseline perfusion index and the degree of hypotension and also the predictability of spinal anesthesia-induced hypotension during caesarean section by perfusion index were investigated.
Results : The incidence of hypotension in this study was 63.63 %. Baseline perfusion index correlated with hypotension (p<0.001). The optimal cutoff point across a range of cutoff points for perfusion index was found to be 2.4 with a sensitivity 66.67% and specificity 91.67% p<0.001.
Conclusion : Baseline perfusion index >2.4 is associated with higher incidence of hypotension following spinal anesthesia in caesarean section.Baseline perfusion index could predict the incidence of hypotension following spinal anesthesia in caesarean section.
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