The Journal of Clinical Endocrinology and Metabolism Journal Article

Sex Hormone Replacement Therapy in Turner Syndrome

September 23, 2019
 

Mette H Viuff, Agnethe Berglund, Svend Juul, Niels H Andersen, Kirstine Stochholm, Claus H Gravholt
The Journal of Clinical Endocrinology & Metabolism, Volume 105, Issue 2, February 2020, dgz039
https://doi.org/10.1210/clinem/dgz039

Abstract

Context

The long-term effects of female hormone replacement therapy (HRT) in Turner syndrome (TS) are unknown.

Objective

To examine morbidity, mortality and medicinal use in TS and the impact of HRT in 45,X women.

Design and Setting

National cohort study, following all TS individuals ever diagnosed in Denmark from 1977 to 2014.

Patients and Methods

In the Danish Cytogenetic Central Registry, we identified 1156 females diagnosed with TS from 1960 to 2014, and, subsequently, Statistics Denmark randomly identified 115 577 age-matched female controls. TS women and their matched controls were linked with person-level data from the National Patient Registry and the Medication Statistics Registry, and they were compared concerning mortality, hospitalizations, and medical prescriptions. Among 329 45,X women, 44 had never been HRT treated, and 285 had been treated at some point. HRT treated women were compared with untreated concerning mortality, hospitalizations, and medical prescriptions.

Results

Endocrine and cardiovascular mortality and morbidity were significantly increased in TS compared with the matched controls. Comparing HRT treated with nontreated 45,X women, we found a similar mortality (hazard ratio 0.83, 95% confidence interval 0.38–1.79). Among the HRT-treated 45,X women, we found a significantly lower use of antihypertensives, antidiabetics, and thyroid hormones and significantly reduced hospitalization rates for stroke and osteoporotic fractures.

Conclusion

Women with TS have an increased overall mortality and morbidity. HRT seems to have a beneficial effect on endocrine conditions, hypertension, and stroke in women with 45,X karyotype, with no clear impact on mortality.

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