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Maturitas. 2000 Oct 31;36(3):181-93.

Hormonal replacement therapy reduces forearm fracture incidence in recent postmenopausal women - results of the Danish Osteoporosis Prevention Study.

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1
Department of Endocrinology and Metabolism, The Osteoporosis Clinic, Aarhus Amtssygehus, Aarhus University Hospital, Tage Hansens Gade 2, DK-8000 C, Aarhus, Denmark.

Abstract

OBJECTIVES:

To study the fracture reducing potential of hormonal replacement therapy (HRT) in recent postmenopausal women in a primary preventive scenario.

METHODS:

Prospective controlled comprehensive cohort trial: 2016 healthy women aged 45-58 years, from three to 24 months past last menstrual bleeding were recruited from a random sample of the background population. Mean age was 50. 8+/-2.8 years, and the number of person years followed was 9335.3. There were two main study arms: a randomised arm (randomised to HRT; n=502, or not; n=504) and a non-randomised arm (on HRT; n=221, or not; n=789 by own choice). First line HRT was oral sequential oestradiol/norethisterone in women with intact uterus and oral continuous oestradiol in hysterectomised women.

RESULTS:

After five years, a total of 156 fractures were sustained by 140 women. There were 51 forearm fractures in 51 women. By intention-to-treat analysis (n=2016), overall fracture risk was borderline statistically significantly reduced (RR=0.73, 95% CI: 0.50-1.05), and forearm fracture risk was significantly reduced (RR=0.45, 95% CI: 0.22-0.90) with HRT. Restricting the analysis to women who had adhered to their initial allocation of either HRT (n=395) or no HRT (n=977) showed a significant reduction in both the overall fracture risk (RR=0.61, 95% CI: 0.39-0.97) and the risk of forearm fractures (RR=0.24, 95% CI: 0.09-0.69). Compliance with HRT was 65% after five years.

CONCLUSIONS:

It is possible to reduce the number of forearm fractures and possibly the total number of fractures in recent postmenopausal women by use of HRT as primary prevention.

PMID:
11063900
[Indexed for MEDLINE]
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