Weight regain now has a timetable — and a Nature mouse study tests the limits of semaglutide enthusiasm
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Study wrapper · #1376

Anesthetic Safety and Perioperative Outcomes in GLP-1 Receptor Agonist-Treated Patients Undergoing Lipoabdominoplasty.

Albanese R, Tomaselli F, Berkane Y, et al. Aesthetic plastic surgery. 2026.

Editor's note

A reassuring data point on the perioperative question that has dominated anesthesiology guidance since 2023, but a limited one: retrospective, single-protocol, and the authors themselves stress it was not powered for equivalence or for rare events such as aspiration. Absence of a detected signal in 98 exposed patients is not proof of safety. Useful context for patients planning body-contouring surgery after GLP-1 weight loss, not a basis to relax pre-operative precautions.

Plain-language abstract

Comparing 98 patients on semaglutide or tirzepatide with 98 controls undergoing lipoabdominoplasty under general anesthesia, researchers found no significant differences in anesthesia complications, recovery times, or early post-surgical problems.