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Effects of statin therapy on weight loss and diabetes in bariatric patients.
Surgery for Obesity and Related Diseases 2017 April
BACKGROUND: Bariatric surgeries are considered effective treatments for weight loss and improved diabetes control. Statins increase diabetes onset in prospective clinical trials and many bariatric patients with metabolic disease are concurrently on statins.
OBJECTIVES: We retrospectively examined the relationship of statin therapy to weight loss, diabetes mellitus onset and remission, and metabolic outcomes after bariatric surgery.
SETTING: Hospital.
METHODS: A total of 1575 patients (1231 women) underwent laparoscopic adjustable gastric banding (n = 1035), Roux-en-Y gastric bypass (n = 468), or sleeve gastrectomy (n = 72) and were categorized as to statin use (n = 671 statin users) and diabetes status (n = 557 patients with diabetes) preoperatively and at one year follow-up.
RESULTS: New onset cases of diabetes did not differ between patients on and not on preoperative statins (3 versus 4 new diabetes cases, respectively), but diabetes resolved after surgery in 159 (23.7%) patients on preoperative statins and in only 124 (13.7%) patients not on preoperative statins (χ2 = 26.1; P<.01). Patients ceasing statin therapy experienced more diabetes remission (n = 85 or 35.7%) than patients consistently using statin therapy at both time points (n = 57 or 17.0%; χ2 = 27.3; P< .01).
CONCLUSION: In contrast to expectations, our results suggest that diabetes resolves with bariatric surgery more often in patients maintained on statin therapy than in those never on statin therapy whereas cessation of statin therapy is associated with the greatest reductions in diabetes prevalence. These results indicate an impact of statin use on metabolic outcomes following bariatric surgery; a randomized control trial is needed to examine carefully this relationship.
OBJECTIVES: We retrospectively examined the relationship of statin therapy to weight loss, diabetes mellitus onset and remission, and metabolic outcomes after bariatric surgery.
SETTING: Hospital.
METHODS: A total of 1575 patients (1231 women) underwent laparoscopic adjustable gastric banding (n = 1035), Roux-en-Y gastric bypass (n = 468), or sleeve gastrectomy (n = 72) and were categorized as to statin use (n = 671 statin users) and diabetes status (n = 557 patients with diabetes) preoperatively and at one year follow-up.
RESULTS: New onset cases of diabetes did not differ between patients on and not on preoperative statins (3 versus 4 new diabetes cases, respectively), but diabetes resolved after surgery in 159 (23.7%) patients on preoperative statins and in only 124 (13.7%) patients not on preoperative statins (χ2 = 26.1; P<.01). Patients ceasing statin therapy experienced more diabetes remission (n = 85 or 35.7%) than patients consistently using statin therapy at both time points (n = 57 or 17.0%; χ2 = 27.3; P< .01).
CONCLUSION: In contrast to expectations, our results suggest that diabetes resolves with bariatric surgery more often in patients maintained on statin therapy than in those never on statin therapy whereas cessation of statin therapy is associated with the greatest reductions in diabetes prevalence. These results indicate an impact of statin use on metabolic outcomes following bariatric surgery; a randomized control trial is needed to examine carefully this relationship.
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