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| 005 | 20220530141954.0 | ||
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| 022 | _a0167-6806 | ||
| 040 | _cSalus Infirmorum | ||
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_aMenopausal hormone therapy and the risk of breast cancer by histological type and race: a meta‑analysis of randomized controlled trials and cohort studies / _cSohyun Kim, Yeonsook Ko, Hwa Jeong Lee, Jung‑eun Lim |
| 500 | _aPDF en biblioteca | ||
| 504 | _aBibliografía: p.674-675 | ||
| 520 | 8 | _aPurpose This meta-analysis investigated the association between the risk of breast cancer and hormone replacement therapy (HRT). Various stratifed analyses were performed according to race (Asian/Westerner), HRT type [all hormone therapies, estrogen-only therapy (ET), or combined estrogen–progestin therapy (EPT)], histological breast cancer type (ductal/lobular/mixed ductal–lobular), and estrogen receptor status (ER-positive/ER-negative). Methods A literature search was performed using Pubmed, Embase, and KoreaMed. Twenty-fve epidemiological studies including 23 cohort studies and two randomized controlled trials were included in this meta-analysis. Results Using a random-efects model, HRT use was found to be positively associated with the risk of breast cancer with a pooled hazard ratio (HR) of 1.33 [95% confdence interval (CI) 1.24, 1.44]. Compared with ET, EPT was more strongly associated with breast cancer risk. EPT was associated with both ductal and lobular breast cancer risks [for ductal breast cancer, HR=1.51 (95% CI 1.28, 1.78); for lobular breast cancer, HR=1.38 (95% CI 1.20, 1.60)]. According to ER status, all HRTs were associated with the risk of ER-positive breast cancer, but not with that of ER-negative breast cancer. Conclusions Asian HRT users had a higher risk of breast cancer than western HRT users. Both ET and EPT were signifcantly associated with the risk of all breast cancer histological types and ER-positive breast cancer | |
| 653 | 1 | 4 | _abreast cancer |
| 653 | 1 | 4 | _amenopausal hormone therapy |
| 653 | 1 | 4 | _ahormone replacement therapy |
| 653 | 1 | 4 | _ameta-analysis |
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_g-- 2018, v. 170, n3, p. 667–675 _tBreast Cancer Research and Treatment |
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