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The utility of weight loss medications after bariatric surgery for weight regain or inadequate weight loss: A multi-center study.


ABSTRACT: BACKGROUND:Patients who undergo bariatric surgery often have inadequate weight loss or weight regain. OBJECTIVES:We sought to discern the utility of weight loss pharmacotherapy as an adjunct to bariatric surgery in patients with inadequate weight loss or weight regain. SETTING:Two academic medical centers. METHODS:We completed a retrospective study to identify patients who had undergone bariatric surgery in the form of a Roux-en-Y gastric bypass (RYGB) or a sleeve gastrectomy from 2000-2014. From this cohort, we identified patients who were placed on weight loss pharmacotherapy postoperatively for inadequate weight loss or weight regain. We extracted key demographic data, medical history, and examined weight loss in response to surgery and after the initiation of weight loss pharmacotherapy. RESULTS:A total of 319 patients (RYGB = 258; sleeve gastrectomy = 61) met inclusion criteria for analysis. More than half (54%; n = 172) of all study patients lost?5% (7.2 to 195.2 lbs) of their total weight with medications after surgery. There were several high responders with 30.3% of patients (n = 96) and 15% (n = 49) losing?10% (16.7 to 195.2 lbs) and?15% (25 to 195.2 lbs) of their total weight, respectively, Topiramate was the only medication that demonstrated a statistically significant response for weight loss with patients being twice as likely to lose at least 10% of their weight when placed on this medication (odds ratio = 1.9; P = .018). Regardless of the postoperative body mass index, patients who underwent RYGB were significantly more likely to lose?5% of their total weight with the aid of weight loss medications. CONCLUSIONS:Weight loss pharmacotherapy serves as a useful adjunct to bariatric surgery in patients with inadequate weight loss or weight regain.

SUBMITTER: Stanford FC 

PROVIDER: S-EPMC6114136 | BioStudies | 2017-01-01

REPOSITORIES: biostudies

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