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- Title
All‐cause and cardiovascular mortality after hysterectomy and oophorectomy in a large cohort (HUNT2).
- Authors
Michelsen, Trond M.; Rosland, Tina Ellinor; Åsvold, Bjørn O.; Pripp, Are H.; Liavaag, Astrid H.; Johansen, Nora
- Abstract
Introduction: Hysterectomy and bilateral oophorectomy are common major surgical procedures that have been associated with increased mortality risk. We aimed to assess the association of hysterectomy and/or bilateral oophorectomy with all‐cause and cardiovascular mortality in a Norwegian population. Material and methods: Cohort study with data from The Trøndelag Health Study (HUNT2) linked to the Norwegian Cause of Death Registry, with follow‐up from 1996 until 2014 or death. The unexposed group (n = 18 673) included women with both their ovaries and uterus intact, while the two exposed groups included women with hysterectomy alone (n = 1199), or bilateral oophorectomy with or without hysterectomy (n = 907). We compared mortality in exposed vs unexposed groups and adjusted for relevant covariates by Cox regression. Further, we performed analyses stratified by age at surgery (≤39, 40–52, ≥53 years) and subgroup analyses among women ≤52 years of age at inclusion. Results: Among the 47 312 women in HUNT2 (1995–1997), 20 779 provided complete information regarding gynecological surgery and previous health. The hysterectomy group had increased all‐cause mortality (hazard ratio [HR] 1.30, 95% confidence interval [CI] 1.06–1.58) and cardiovascular mortality (HR 1.47, 95% CI 1.09–1.97). We found no significant association between bilateral oophorectomy and all‐cause or cardiovascular mortality in the total population. However, among women ≤52 years at inclusion, cardiovascular mortality was increased in the hysterectomy group (HR 2.71, 95% CI 1.19–6.17) with a similar, but less precise estimate in the bilateral oophorectomy group (HR 2.42, 95% CI 0.84–6.93). Conclusions: Hysterectomy was associated with increased all‐cause and cardiovascular mortality, whereas bilateral salpingo‐oophorectomy was not. Among women ≤52 years at inclusion, both hysterectomy and bilateral oophorectomy were associated with a twofold increased risk of cardiovascular mortality, but the results were imprecise. Women after hysterectomy and/or bilateral salpingo‐oophorectomy constitute a group with increased cardiovascular mortality that may need closer attention to cardiovascular disease risk from the healthcare system to ensure timely and effective preventive interventions.
- Subjects
HYSTERECTOMY; OVARIECTOMY; MORTALITY; OPERATIVE surgery; SALPINGO-oophorectomy
- Publication
Acta Obstetricia et Gynecologica Scandinavica, 2023, Vol 102, Issue 4, p465
- ISSN
0001-6349
- Publication type
Article
- DOI
10.1111/aogs.14531