Fang Fang, Minyu Gu, Lin Chen, Na Li, Xiaoying Ding, Yongde Peng

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Department of Endocrine and Metabolism, Shanghai First People’s Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China.
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Abstract: Background: Metabolic abnormalities have been widely studied in women with polycystic ovary syndrome (PCOS) and in patients with Type 2 diabetes mellitus (T2DM). However, there are few studies on the comparison of the metabolic disturbances between the two diseases although they have partly common pathogenesis. This study compares the metabolic parameters of PCOS and T2DM, and evaluates the association between metabolic parameters and gonadotropic hormones. Methods: Fifity newly diagnosed PCOS women and 56 newly diagnosed Type 2 diabetes women were enrolled in the study. The metabolic parameters including body mass index, waist to hip ratio, blood pressure, total cholesterol, triglycerides, high-density and low-density lipoprotein cholesterol, fasting and postprandial plasma glucose, fasting and postprandial plasma insulin, HOMA-IR index and uric acid, along with the gonadal and gonadotropic hormones were analyzed between the two groups. The lutein hormone (LH) responses to the GnRH stimulating test were compared between different glucose tolerance groups in PCOS women. The peak values of LH in the GnRH test are studied with metabolic parameters using Pearson correlation analysis. Results: PCOS patients have higher body weight index, waist to hip ratio, fasting and postprandial insulin, HOMA-IR and uric acid than T2DM patients. There are no significant differences in lipid metabolism excluding the age influence. On the other hand, T2DM patients have significantly higher systolic blood pressure and plasma glucose than those in PCOS patients. But there is less clinical significance in the level of plasma glucose. After GnRH injection in PCOS women, there are significant differences in LH reaction between the three groups with different glucose tolerance. Conclusion: Women with PCOS have more severe metabolic disturbance than women with T2DM except for systolic blood pressure. Insulin resistance affects the function of thalamus-pituitary-gonad axis.

Keywords: PCOS; Type 2 Diabetes Mellitus; Metabolic Abnormalities

Cite this paper: Fang, F. , Gu, M. , Chen, L. , Li, N. , Ding, X. and Peng, Y. (2014) Comparison of metabolic abnormalities in patients with new-diagnostic polycystic ovary syndrome and with new-diagnostic Type 2 diabetes mellitus. Journal of Diabetes Mellitus, 4, 54-58. doi: 10.4236/jdm.2014.41010.

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