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To explore the effect of transsphenoidal adenectomy on glucose tolerance status in patients with growth hormone (GH)-secreting pituitary adenoma. The clinical data of 105 patients with GH-secreting pituitary adenoma who underwent transsphenoidal adenectomy in our department in 2013 were retrospectively analyzed. The glucose tolerance status, GH level, and insulin-like growth factor-1 (IGF-1) level before and after surgery were compared. Among these 105 patients, the blood glucose tolerance status included normal glucose tolerance (NGT) in 47 cases (44.8%), early carbohydrate metabolism disorders (ECMDs) in 26 cases (24.8%), and diabetes mellitus (DM) in 32 cases (30.5%) before surgery. After the surgery, the fasting blood glucose (P=0.006, P=0.017) and postprandial blood glucose (P=0.000, P=0.000) in the ECMDs and DM groups were significantly improved. Also, the random GH (P=0.001, P=0.004, P=0.001), nadir GH (P=0.000, P=0.001, P=0.001), and IGF-1 (P=0.005, P=0.000, P=0.000) significantly decreased during the follow-up period in NGT, ECMDs and DM groups. Compared with ECMDs and DM groups, the decrease in fasting blood glucose (P=0.029, P=0.000), postprandial blood glucose (P=0.003, P=0.000), and serum IGF-1 (P=0.048, P=0.000) were more significant in DM group. Transsphenoidal adenectomy can improve the blood glucose, GH, and IGF-1 levels in patients with growth hormone-secreting pituitary adenoma. Meanwhile,the surgery has a better effect in improving the glucose tolerance status and IGF-1 in patients with preoperatively confirmed DM.


Yi-lin Li, Shuo Zhang, Xiao-peng Guo, Lu Gao, Wei Lian, Ren-zhi Wang, Bing Xing. Effect of Transsphenoidal Adenectomy on Glucose Tolerance Status in Patients with Growth Hormone-secreting Pituitary Adenoma. Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae. 2016 Feb;38(1):73-7

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PMID: 26956860

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