Incidence and Risk Factors of Hypotension after in elective cesarean section following spinal anesthesia at Tikur anbessa specialized hospital.
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Date
2019-11
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Addis Abeba University
Abstract
Background and Objectives; Hypotension is the commonest complication of spinaanesthesia. Hypotension may pose serious risk like loss of consciousness and cardiac
arrest on mother (3)The objective of this studywas to evaluate theincidence and risk
factors of hypotension, severity of hypotension and onset time of hypotension after
spinal anesthesia given for cesarean section (C/S)at Tikuranbessa specialized hospital.
Method;a prospective analytic cross-sectional study was conducted on parturientwho
underwentelective cesarean section with spinal anesthesia at Addis Ababa
University;Tikuranbessa specialized hospital (TASH). Data was collected on Incidenceseverity and onset time of hypotension after spinal anesthesia was given and
Hypotension was correlated with Age, ASA physical status, Gravidity, Height, Weight, BMof mothers, amount of preloading volume, type of bupivacaine, dose of bupivacaine, use
of spinal additives and use of prophylactic vasopressors.Chi-Square test and multiple
logistic regression analysis were used to assess significance of statistical association.
Result;total of 144 mothers’ data was collected. 103(71.5%) developed hypotension,
severe hypotension occurred in 57(55.3%) mothers, the first five minutes was the
commonest time for post spinal hypotension to occur. Maternal age (p= .01, 95%CI .011,
.565), level of block height (p= .003, 95%CI .049, .547) and bupivacaine dose in ml (p=
.046, 95%CI .277, 16.853)were been found to have significant association with post spinal
hypotension.
Conclusion and recommendation; incidence hypotension was 71.5%, implementation of
interventions to reduce post spinal hypotension in TASH was quite poor with no protocoto standardize the practice of performing spinal anesthesia. We recommended to have
further study on similar topic by being more inclusive and wider sample size, to develop
protocol which guides on conducting spinal anesthesia in standardized manner.
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Keywords
Hypotension,spinal anesthesia