Preoperative body mass index reduction and 30-day outcomes after metabolic and bariatric surgery: an MBSAQIP 2015-2023 analysis. - Kachmar M; Garcia Navas HJ; Doiron JE; Corpodean F; Hanipah ZN; Galvani C; Cook MW; Danos DM; Schauer PR; Albaugh VL (Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery, 2026)