Association between hyperinsulinemia and endogenous androgen levels in peri- and postmenopausal women.

We evaluated the relationship between hyperinsulinemia and anthropometric, metabolic, and hormonal parameters that might contribute to the risk for coronary heart disease (CHD) in 104 peri- and postmenopausal women. Plasma glucose, insulin, luteinizing hormone (LH), follicle-stimulating hormone (FSH), sex hormone-binding globulin (SHBG), and total testosterone (TT) were determined. Free androgen index (FAI) and fasting insulin to glucose ratio (IGR) were calculated. The cut off point to define hyperinsulinemia was established at 23 microIU/mg. Mean age was 54.8 years. Mean age at menopause was 47.7 years. Body mass index (BMI) was greater than 25 in 46 patients, and 28 (26.9%) were hyperinsulinemic. BMI, waist circumference, triglycerides, and 2-hour postglucose insulin levels were significantly higher in hyperinsulinemic patients. Hyperinsulinemic patients had higher TT levels (P =.02), FAI (P =.0001), and lower SHBG levels (P =.003). Positive correlations were observed between IGR and BMI, waist-to-hip ratio (WHR), waist circumference, and triglycerides. IGR and high-density lipoprotein-cholesterol (HDL-C) were negatively correlated. IGR presented a positive association with TT and FAI and a negative association with SHBG. FAI contributed positively to IGR, independently of BMI, age, or time since menopause. In conclusion, androgen levels may be important determinants of risk factors for cardiovascular diseases in peri- and postmenopausal women. However, this observation should be confirmed by longitudinal studies.

• Publication year

  2002

• Venue

  Metabolism: Clinical and Experimental

• Publication date

  2002-02-01

• Fields of study

  Medicine

• Identifiers
  DOI 10.1053/META.2002.29997PMID 11833055
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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