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2026, Number 3

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Acta Med 2026; 24 (3)

Association of body mass index with postoperative nausea and vomiting

Vega HAI, Alva ANV, Colín SVG, Athié GJM, Galindo AJ

Language: Spanish
References: 10
Page: 189-193
PDF size: 546.53 Kb.


ABSTRACT

The study aimed to investigate the association between body mass index (BMI) and the incidence of postoperative nausea and vomiting (PONV). A prospective, observational, crosssectional study was conducted at Hospital Angeles Mocel, including 101 adult patients with BMI › 25 kg/m2 who underwent surgery with any type of anesthesia between June-October 2023. Statistical methods such as the χ2 test and logistic regression were used to analyze the association between BMI and PONV, considering a p-value ‹ 0.05 as significant. The results showed that 47.2% of the patients experienced nausea, with a higher incidence in individuals with overweight and obesity (p = 0.040). Women with elevated BMI had a higher prevalence of nausea compared to men. Although antiemetic prophylaxis with dexamethasone was the most commonly used, it did not completely prevent PONV. Obesity showed a trend towards increased susceptibility to PONV, highlighting the need for an individualized approach in antiemetic prophylaxis. The study provides relevant evidence on the relationship between BMI and PONV, emphasizing the importance of considering BMI in the selection of preventive therapies to improve the postoperative experience.


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