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Presentations of Hyperandrogenic Phenotypes in Taiwanese Women

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СъстояниеЗавършен
Спонсори
Taipei Medical University WanFang Hospital

Ключови думи

Резюме

STUDY QUESTION: Which of the four abnormally elevated androgen groups (total testosterone [TT], androstenedione [A4], free androgen index [FAI], or dehydroepiandrosterone-sulfate [DHEA-S]) present with an unfavorable metabolic and hormonal profile, appear to be more insulin-resistant and pose additional cardiovascular risk? SUMMARY ANSWER: Subjects with excess free androgen index tend to be obese and face the highest metabolic syndrome risk, adipocytokine alterations, insulin resistance (IR) and cardiovascular risk. The excess TT group presents with a marginal IR risk, while the excess A4 group has the highest antimüllerian hormone (AMH), and may counterbalance obesity; this group and the excess DHEA-S group have a favorable association with IR.

Описание

STUDY DESIGN, SIZE, DURATION:A retrospective study in 160 Taiwanese women with HA and 165 women without HA, with medical records reviewed from 2009 up to 2012. The hyperandrogenic women were classified into four groups (TT, A4, FAI, and DHEA-S) according to independent abnormally elevated androgen measures each above its cut-off value, and the groups were compared with each other and with controls.

PARTICIPANTS/MATERIALS, SETTING, METHODS: This study was performed in the Reproductive Endocrinology Clinic at Wan Fang Medical Center in Taipei, Taiwan. Anthropometric, metabolic, endocrine, and IR components as well as lipid accumulation product (LAP) index were compared between the groups. IR was assessed with the following markers: fasting glucose and insulin levels, oral glucose tolerance test, glucose-to-insulin ratio and homeostasis model assessment of IR index (HOMA-IR).

Дати

Последна проверка: 10/31/2013
Първо изпратено: 04/04/2013
Очаквано записване подадено: 09/10/2013
Първо публикувано: 09/11/2013
Изпратена последна актуализация: 11/04/2013
Последна актуализация публикувана: 11/05/2013
Действителна начална дата на проучването: 08/31/2012
Приблизителна дата на първично завършване: 02/28/2013
Очаквана дата на завършване на проучването: 06/30/2013

Състояние или заболяване

Hyperandrogenism,
Polycystic Ovary Syndrome,
Metabolic Syndrome,
Insulin Resistance,
Cardiovascular Disease.

Фаза

-

Групи за ръце

ArmИнтервенция / лечение
Controls
patients who have all androgens (TT, A4, FAI, and DHEA-S) lower than their cut-off values
Total Testosterone >= 2.39
Patients who have only total testosterone higher than its cut-off value; (TT) >=2.39
Androstenedione >= 2.99
Patients who have only androstenedione higher than its cut-off value; (A4) >=2.99
Free Androgen Index >= 6.53
Patients who have only free androgen index higher than its cut-off value; (FAI) >=6.53
DHEAs >= 181.55
Patients who have only dehyroepiandrosterone sulfate higher than its cut-off value; (DHEA-S)>=181.55

Критерии за допустимост

Възрасти, отговарящи на условията за проучване 13 Years Да се 13 Years
Полове, допустими за проучванеFemale
Метод за вземане на пробиProbability Sample
Приема здрави доброволциДа
Критерии

Inclusion Criteria:

- Hyperandrogenic women who were classified into four groups:

- Total testosterone (TT),

- Androstenedione (A4),

- Free androgen index (FAI),

- and Dehydroepiandrosterone sulphate(DHEA-S).

- According to abnormally elevated androgen measures each above its cut-off value, and non hyperandrogenic women (who had all androgens below their cut-off values)

Exclusion Criteria:

- None of the women studied had

- Hypogonadotropic hypogondism,

- Hyperprolactinemia,

- Congenital adrenal hyperplasia,

- Premature ovarian failure,

- Androgen-secreting tumors,

- Cushing's syndrome,

- or any other endocrine or systemic disease that may affect the reproductive function,

- or any disorders of the uterus (e.g. Asherman's syndrome and Mullerian genesis) and chromosomal anomalies (e.g. Turner's syndrome).

- In addition, we excluded females who had

- Experienced menarche less than three years preceding the study start,

- or who had day 3 FSH > 15 mIU/ml, as well as women with insufficient clinical/biochemical records,

- and women with ovarian cysts or tumors in an ultrasonographic examination.

Резултат

Първични изходни мерки

1. Clinical and Biochemical Presentations of Distinctive Types of Biochemical Hyperandrogenism in Premenopausal Taiwanese Women [A retrospective study in 160 Taiwanese women with HA and 165 women without HA, with medical records reviewed from January 1, 2009, through July 21, 2012 (up to 3.5 years)]

Androgens (Total Testosterone (TT) (nmol/L), androstenedione (A4)(ng/ml), free androgen index (FAI), and dehydroepiandrosterone sulfate (DHEA-S) (µg/dl ); anthroponmetric components (body mass index (BMI)(Kg/m2) , waist (cm), Waist-to-hip ratio (W/H)); average menstrual interval, antimullerian hormone(AMH)(ng/ml) adiponectin (ng/nl), leptin(ng/ml), adiponectin/leptin (A/L) ratio, and insulin resistance markers( fasting insulin (µIU/ml), glucose-to-insulin ratio (GIR), Homeostasis model assessment insulin resistance (HOMA-IR) Index, Lipid Accumulation Product Index (LAP Index)).

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