Impact of Laparoscopic Sleeve Gastrectomy on Obese Patients with Subclinical Hypothyroidism
JOURNAL OF LAPAROENDOSCOPIC & ADVANCED SURGICAL TECHNIQUES(2020)
摘要
Background: This study aims to evaluate the incidence of subclinical hypothyroidism (SCH) among studied obese patients. The effects of laparoscopic sleeve gastrectomy (LSG) and loss of weight on thyroid hormones level and the impact of adding thyroxine treatment is described. Patients and Methods: Obese patients undergoing LSG at the university hospital between June 2016 and January 2018 were included. Weight loss and changes in body mass index (BMI), serum thyroid stimulating hormone (TSH), and FT4 were evaluated. SCH patients were randomly divided into group "A" received thyroxine treatment and group "B" received no treatment. Results: There were 554 patients studied (mean age 41 +/- 12 years); the mean preoperative BMI, serum TSH, and FT4 were 45 +/- 6.8 kg/m(2), 3.91 +/- 1 mu U/mL, and 1.32 +/- 1 ng, respectively. Incidence of SCH was 12.9%. Significant post-LSG decrease in BMI (30.8 +/- 4.6 kg/m(2)) was associated with significant decrease in serum TSH (1.99 +/- 1.1 mu U/mL) in all patients; changes were more prominent in SCH group and in patients with higher BMI. SCH patients had normalization of mean serum TSH at 12 months post-LSG. Results of groups "A" and "B" were not significantly different. Conclusion: The incidence of SCH was 12.9%. The significant decrease in BMI was associated with a significant decrease in serum TSH after LSG; this was more evident in SCH and in patients with higher BMI. Complete resolution of SCH occurred at 12 months post-LSG. Adding thyroxine treatment in obese SCH patients did not improve outcome and should be reserved to specific clinical and laboratory indications.
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关键词
sleeve gastrectomy,hypothyroidism,TSH
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