Association of Preeclampsia With Myocardial Injury Among Patients Undergoing Noncardiac Surgery: The PREECLAMPSIA-VISION Study
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BACKGROUND: In women, preeclampsia has a known association with increased long-term cardiovascular morbidity and mortality. However, it is unknown whether it is associated with increased post-operative cardiovascular morbidity and mortality in women. We aimed to determine if preeclampsia is an independent risk factor for myocardial injury after non-cardiac surgery (MINS) and post-operative 30-day mortality. METHODS: This study was a large international multicentre cohort study of a representative sample of 40,004 patients recruited between August 2007 and November 2013. Participants were ≥45 years of age and underwent inpatient non-cardiac surgery. Within this cohort, our study examined women with a history of pregnancy. Using multivariable models, we explored the association between a history of pregnancy affected by preeclampsia and our primary outcome of MINS and secondary outcome of post-operative mortality within 30-days. MINS was defined as prognostically relevant myocardial injury due to ischemia that occurred during or within 30 days after non-cardiac surgery. RESULTS: Analyses were restricted to the 13,902 participants with a history of pregnancy. Among these women, 976 (7.0%) had a history of preeclampsia. A history of preeclampsia was associated with an increased risk of MINS, with an adjusted hazard ratio of 1.26 (95% CI, 1.03-1.53; p=0.02). Preeclampsia was not significantly associated with 30-day mortality. CONCLUSION: Preeclampsia is a risk factor for MINS and should be considered in the pre-operative cardiovascular risk assessment of women.
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