Abstract： Objective To explore the risk factors of hypotension after spinal anesthesia for elective cesarean section.Methods A total 261 parturients with elective cesarean section and spinal anesthesia who gave birth in the Affiliated Hospital of Xuzhou Medical University from June 2019 to August 2020 were selected as the research objects.According to whether hypotension occurred,they were divided into hypotension group (110 cases) and normal group (151 cases),and conduct univariate analysis and logistic regression analysis were used to explore the risk factors of hypotension after spinal anesthesia for elective cesarean section.Results A total of 110 cases of 261 parturients had hypotension,with an incidence rate of 42.15%.Univariate analysis showed that the differences of body mass index (BMI)≥28 kg/m2,anterior pain index (ANI)＞70,giant infants and the supine position of the hypotension group and the normal group were statistically significant (P＜0.05).The results of multivariate logistic analysis showed that BMI≥28 kg/m2 (β=1.739,OR=2.893,95%CI=1.386-7.415),ANI＞70 (β=1.549, OR=3.979,95%CI=2.157-10.323),giant infants (β=1.357, OR=4.523,95%CI=2.476-16.361),supine position (β=1.165, OR=10.298,95%CI=1.873-14.257) were independent risk factors for hypotension after elective cesarean section spinal anesthesia (P＜0.05).Conclusion BMI,ANI,macrosomia and supine position are risk factors for complicated hypotension in women with spinal anesthesia during elective cesarean section,and timely intervention should be carried out.
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