Uterine blood flow response to hormonal replacement therapy in asymptomatic postmenopausal women: a transvaginal Doppler study
Tanawattanacharoen, S.; Panyakhamlerd, K.; Chaikittisilpa, S.; Taechakraichana, N.; Limpaphayom, K.K.
Journal of the Medical Association of Thailand 83(4): 368-373
2000
ISSN/ISBN: 0125-2208 PMID: 10808696 Document Number: 2061
To evaluate the effect of continuous hormonal replacement therapy (HRT) on Doppler parameters of uterine blood flow in asymptomatic postmenopausal women. Thirty-eight asymptomatic postmenopausal women were recruited into the study from the outpatient menopause clinic, Department of Obstetrics and Gynaecology, Faculty of Medicine, Chulalongkorn University. The study population was divided into 20 cases without any HRT (group 1) and 18 cases using continuous conjugated equine estrogen 0.625 mg/day combined with medroxyprogesterone acetate 2.5 mg/day (group 2). The duration of HRT was 21.3 +/- 9.5 (13-56) months. A transvaginal colour flow imaging system (ALOKA SSD-2000 MultiView, Tokyo, Japan) was used to assess uterine blood flow. Quantitative data from areas of colour were evaluated by pulsed Doppler spectrum analysis. Resistance indices (RI) were measured as indicators of uterine perfusion. Both groups were statistically similar with respect to age, parity, age at menopause, height and weight. The endometrial thickness in group 1 and 2 were 3.8 +/- 0.8 and 4.1 +/- 0.6 millimetres, respectively. The left uterine artery RIs of group 1 and 2 were 0.86 +/- 0.08 and 0.84 +/- 0.07, respectively (p = 0.33). The right uterine artery RIs of group 1 and 2 were 0.87 +/- 0.07 and 0.83 +/- 0.06, respectively (p = 0.06). In conclusion, continuous HRT had a non-significant influence on uterine blood flow in the postmenopausal women.
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