Polycystic Ovaries Research Today is a free monthly online journal that collates and summarizes the latest research about Polycystic Ovaries, including details on treatment, symptoms, polycystic ovary syndrome, infertility. | ||||||||
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ACTH stimulation test in lean polycystic ovary syndrome patients with insulin resistance.Uncu G, Ozyurek SE, Uncu Y Department of Obstetrics and Gynecology, Medical Faculty, Uludag University, Gorukle-Bursa, Turkey. eozyurek@yahoo.com <eozyurek@yahoo.com> OBJECTIVE: To determine whether insulin resistance in nonobese polycystic ovarian syndrome (PCOS) patients is associated with a higher response to ACTH stimulation. DESIGN: Controlled prospective study. SETTING: University hospital ambulatory care unit. PATIENT(S): Twenty nonobese PCOS syndrome patients with insulin resistance and a body mass index-matched control group of 20 nonobese PCOS patients without insulin resistance. INTERVENTION(S): A 75-g oral glucose tolerance test and an ACTH stimulation test. MAIN OUTCOME MEASURE(S): Blood insulin and glucose levels after ingestion of 75 g oral glucose; blood androstenedione (A), 17(OH)-progesterone [17(OH)-P], free and total T, DHEAS, and progesterone (P) response to ACTH stimulation. RESULT(S): The proportional increases in the blood levels of total and free T, DHEAS, A, 17(OH)-P, and P following ACTH stimulation were similar in the two groups. Only the insulin area under the curve (AUC) values were significantly different among the two groups. The insulin AUC values were positively correlated to the free T blood levels and the homeostasis model assessment scores. CONCLUSION(S): Within the population of nonobese PCOS patients, insulin resistance is not associated with a more pronounced response to ACTH stimulation. The pathogenesis and management of PCOS in nonobese patients may be different from in obese patients. Published 11 September 2007 in Fertil Steril, 88(3): 670-4.
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