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  • Title: [Comparison of HOMA IR with the minimal model for measuring insulin sensitivity in polycystic ovary syndrome].
    Author: Amador N, Espinoza G, Guízar JM, González M, Alpízar M.
    Journal: Rev Invest Clin; 2001; 53(5):407-12. PubMed ID: 11795106.
    Abstract:
    BACKGROUND: Polycystic ovary syndrome (PCOS) is the most common endocrine disorder of premenopausal women. These women have insulin resistance independent of obesity; and insulin resistance is now recognized as a risk factor for the development of type 2 diabetes mellitus, hypertension and cardiovascular disease. PURPOSE: We sought, therefore, to assess whether there was correlation between a simple fasting measure of insulin sensitivity (Homeostatic Model) and the Minimal-Model in this syndrome. METHODS: Thirty-three PCOS women (aged 22.7 +/- 6.2 years and body mass index (BMI) 29.1 +/- 5.4) underwent frequently sampled i.v. glucose tolerance test (Minimal-Model). RESULTS: Seventeen patients (51.5%) had insulin sensitivity < 1.5 x 10(-4) min.-1.microU-1.mL-1. Patients with BMI > de 27 was more resistant than the BMI < or = de 27 (p = 0.004). The correlation in PCOS between Si (insulin sensitivity) and HOMA IR was found significant for all the group (p = 0.0001; RRANK = -0.76) and those women with BMI > de 27 (RRANK = -0.77; p = 0.00006), but not significant correlation was found in those with BMI < or = de 27 (RRANK = -0.43; p = 0.13). CONCLUSIONS: We conclude that the HOMA IR may be useful as a screening test for insulin resistance in overweight and obese Mexican PCOS women but not in the lean ones.
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