ArticlePaediatric anaesthesia2025
Retrospective Review of Intraoperative Hypotension and Perioperative Angiotensin Inhibitor Use in Pediatrics.
Article in Paediatric anaesthesia, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPerioperative management of angiotensin inhibitors is contentious in adults and understudied in children. Perioperative angiotensin inhibitor management in pediatrics cannot be extrapolated from adult literature because of dynamic neurohormonal pediatric physiology and uniquely pediatric indications for angiotensin inhibitor therapy. There is limited evidence for whether angiotensin inhibitors should be held in the perioperative setting in the pediatric population.
aimsThe aim of this study is to assess whether perioperative angiotensin inhibitor use is associated with intraoperative hypotension in the pediatric population.
methodsThis is a single center, retrospective cohort study. Data collection comprised demographics, angiotensin inhibitor dose timing and intraoperative blood pressure. Participants patients were divided into two groups based on recency of dose of angiotensin inhibitor, Recents had angiotensin inhibitor therapy within 2 days and Remotes had angiotensin inhibitor therapy between 2 and 30 days. Logistic regression with covariate adjustment and propensity score matching were performed to control confounding. Regression analysis and Chi-squared test were used to compare the incidence of hypotension between the two groups.
resultsFour hundred ninety patients were included in the study prior to propensity score matching. We found the overall incidence of hypotension to be 29% (142/490). There was no difference in the incidence of hypotension by recency of angiotensin inhibitor dose between the two groups prior to matching, Recents 25.4% (59/232), Remotes 32% (83/258), p = 0.06. Adjusting for covariates, the odds ratio for hypotension is 0.73 (0.48-1.10, p = 0.129) for Recents compared to Remotes. After propensity score matching, there were 184 patients in each group. There remained no difference in the incidence of hypotension in the between the two groups, Recents 27% (50/184), Remotes 33% (61/184), p = 0.13.
conclusionWe found no evidence to support the practice of abstaining from angiotensin inhibitor use in pediatric surgical patients for concern of intraoperative hypotension.
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