alexa An 1 h-OGLT is an Appropriate Approach for the Determination of Glucose and Insulin Dynamics in Female Functional Androgenization (Including “ Polycystic Ovary Syndrome ”)
ISSN: 2161-1017

Endocrinology & Metabolic Syndrome
Open Access

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Research Article

An 1 h-OGLT is an Appropriate Approach for the Determination of Glucose and Insulin Dynamics in Female Functional Androgenization (Including “ Polycystic Ovary Syndrome ”)

Wetzka B*, Textor W and Geisthovel F

Centre of Endocrinology and Reproductive Medicine Freiburg, Bismarckallee, Freiburg, Germany

corresponding Author:
Yoko Ozawa, MD, Ph.D
Laboratory of Retinal Cell Biology
Department of Ophthalmology
Keio University School of Medicine
35 Shinanomachi, Shinjuku-ku
Tokyo 160-8582, Japan
Tel: +81-3-5363-3869
Fax: +81-3-5363-3869
E-mail: [email protected]

Received Date: April 27, 2013; Accepted Date: May 17, 2013; Published Date: May 22, 2012

Citation: Wetzka B, Textor W, Geisthovel F (2013) An 1 h-OGLT is an Appropriate Approach for the Determination of Glucose and Insulin Dynamics in Female Functional Androgenization (Including “Polycystic Ovary Syndrome”). Endocrinol Metab Synd S1:011. doi: 10.4172/2161-1017.S1-011

Copyright: © 2013 Ozawa Y, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Female functional androgenization syndrome (FAS) is subdivided into 4 groups corresponding to their predominant organ pathology: I (ovary), II (adrenal gland), III (ovary, adipose tissue, liver, pancreas) and IV (residual dysfunctions). Group-specific variable clusters are defined by BMI, hormones, glucose and insulin during oral glucose loading test (OGLT: 0-, 1 h-, 2 h-values), and sonographic ovarian morphology. Abdominal circumference (AC), serum lipids, and blood pressure are used for individual characterization. We investigated which tests assess best the prevalence of pathologic glucose and insulin dynamics in androgenized women. 89 FAS patients were consecutively enrolled. Including a control (n=16), prevalence of insulin resistance (IR) described by OGLT, HOMA-IR, QUICKI, insulin sensitivity index (ISI) or AUC2h-insulin was analyzed. Uni- and multivariate correlation between insulin and additional variables used by the FAS classification system were performed. Regarding the prevalence of IR markers, the 1 h-insulin value was allocated above the individual cut-off value in 66.7%, 62.5% and 22.2% in FAS III, IV, and II patients, respectively. The prevalence of impaired fasting glucose or glucose tolerance was 7 and 14% in FAS III women only. In ROC analysis, insulin 1 h at a cut-off value of 99 mU/L predicted metabolic syndrome with a specificity of 74% and sensitivity of 70%. Furthermore, 1 h-insulin was highly significantly correlated with ISI and AUC2h-insulin. Testosterone correlated significantly with BMI, AC, insulin, HOMA-IR, ISI, glucose and triglycerides. The variance of insulin (0, 1 h, 2 h) was significantly explained by AC, HDLcholesterol and testosterone. In conclusion, the high prevalence of IR in accurately defined androgenized women supports the FAS classification system comprising an OGLT with the analysis of both glucose and insulin. For screening of IR in androgenized patients, an OGLT of 1h (including insulin) appears to be a reliable test approach particularly considering time and cost consumption in this special group of patients at fertile age.

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