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TUESDAY, Feb. 13, 2018 (HealthDay News) — Excess weight loss (EWL) immediately preceding bariatric surgery is associated with improved outcomes, according to a study published online Feb. 2 in the Journal of the American College of Surgeons<\/i>.<\/p>\n
Deborah A. Hutcheon, D.C.N., from the Greenville Health System in South Carolina, and colleagues examined the impact of short-term preoperative EWL on postoperative outcomes for 167 patients who underwent sleeve gastrectomy and 188 who underwent Roux-en-Y gastric bypass between 2014 and 2016. The patients were divided into two cohorts and analyzed according to those who achieved \u22658 percent EWL (224 patients) during a four-week low-calorie diet period immediately preceding surgery and those who did not (131 patients). Primary end points included percent EWL postoperatively at months one, three, six, and 12.<\/p>\n
The researchers found that the percentage EWL postoperatively was significantly greater for patients achieving \u22658 percent EWL preoperatively. Specifically, 42.3 versus 36.1 percent (P < 0.001) at postoperative month three, 56.0 versus 47.5 percent (P < 0.001) at postoperative month six, and 65.1 versus 55.7 percent (P = 0.003) at postoperative month 12. Patients achieving \u22658 percent EWL also had lower median operative duration (117 versus 125 minutes; P = 0.061) and lower mean hospital length of stay (1.8 days versus 2.1 days; P = 0.006).<\/p>\n
“Preoperative weight loss of \u22658 percent excess weight, while following a four-week low-calorie diet, is associated with a significantly greater rate of postoperative EWL over one year, as well as shorter operative duration and hospital length of stay,” the authors write.<\/p>\n
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