Postoperative Respiratory Compromise following Cesarean Birth: The Impact of Obesity and Systemic Opioids

Autor: Jessica L. Walker, Jacquelyn H. Adams, Aimee T. Broman, Peter G. Pryde, Kathleen M. Antony
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: American Journal of Perinatology Reports, Vol 12, Iss 01, Pp e1-e9 (2022)
Druh dokumentu: article
ISSN: 2157-6998
2157-7005
DOI: 10.1055/s-0041-1741539
Popis: Abstract Objective The aim of this study was to measure the effect of obesity and systemic opioids on respiratory events within the first 24 hours following cesarean. Methods Opioid-naive women undergoing cesarean between January 2016 and December 2017 were included in this retrospective cohort study. The primary outcome was the proportion of women experiencing at least one composite respiratory outcome (oxygen saturation less than 95% lasting 30+ seconds or need for respiratory support) within 24 hours of cesarean. The impact of obesity and total systemic opioid dose in 24 hours (measured in morphine milligram equivalents [MMEs]) on the composite respiratory compromise outcome were evaluated. Results Of 2,230 cesarean births, 790 women had at least one composite respiratory event. Predictors of the composite respiratory outcome included body mass index (BMI) as a continuous variable (odds ratio = 1.063 for every one unit increase in BMI [95% confidence interval (CI): 1.021–1.108], p = 0.003), and MME (odds ratio = 1.005 [95% CI: 1.002–1.008], p = 0.003), adjusting for magnesium sulfate use. The interaction between obesity and opioid dose demonstrated an odds ratio of 1.000 (95% CI: 0.999–1.000, p = 0.030). Conclusion The proportion of women experiencing respiratory events following cesarean birth increases with the degree of obesity and opioid dose. Key Points Respiratory events increase with obesity. Respiratory events increase with systemic opioid use. Odds ratio of respiratory events is 1.063/unit BMI increase.
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