Journal
GYNECOLOGICAL ENDOCRINOLOGY
Volume 22, Issue 10, Pages 590-594Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/08916930600929586
Keywords
insulin resistance; hormone replacement therapy; Turner syndrome; body composition
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The aim of the present study was to examine the impact of sequential change in the route of estrogen administration on body composition and insulin resistance in patients with Turner syndrome (TS) using cyclical hormone replacement therapy (HRT) with conjugated equine estrogens (CEE) plus medroxyprogesterone acetate (MPA). We carried out a self-controlled study of nine non-obese patients with TS, with an average age of 23 +/- 4.9 years. Body mass index (BMI), waist-to-hip ratio (WHR), fasting glycemia, insulin tolerance (glucose disappearance constant during an insulin tolerance test, k(ITT)) and body composition (dual-energy X-ray absorptiometry) were studied after 1 year's use of CEE plus MPA and repeated after I year's use of 17 beta-estradiol gel with the same schedule of MPA administration. We did not observe any difference between the oral and percutaneous HRT with regard to BMI, WHR and insulin tolerance (k(ITT) : 4.9 +/- 1.5 vs. 5.3 +/- 1.5 %/min, p = 0.8). During administration of the 17 beta-estradiol gel a tendency to increased total lean mass (p = 0.054) was observed. We conclude that sequential change in the route of estrogen administration in TS patients using cyclical HRT with CEE and MPA does not affect insulin resistance, although use of percutaneous 17 beta-estradiol gel seems to exert favorable changes in body composition.
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