Outcomes of Women and Men With Acute Coronary Syndrome Treated With and Without Percutaneous Coronary Revascularization

BackgroundWomen hospitalized with a non‐ST segment elevation acute coronary syndrome (ACS) have worse clinical outcomes compared with men. An early invasive strategy with prompt coronary revascularization may mitigate sex differences in outcomes. However, few contemporary studies have evaluated whet...

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Main Authors: Jacob A. Udell, Maria Koh, Feng Qiu, Peter C. Austin, Harindra C. Wijeysundera, Akshay Bagai, Andrew T. Yan, Shaun G. Goodman, Jack V. Tu, Dennis T. Ko
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Subjects:
Online Access:https://www.ahajournals.org/doi/10.1161/JAHA.116.004319
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author Jacob A. Udell
Maria Koh
Feng Qiu
Peter C. Austin
Harindra C. Wijeysundera
Akshay Bagai
Andrew T. Yan
Shaun G. Goodman
Jack V. Tu
Dennis T. Ko
author_facet Jacob A. Udell
Maria Koh
Feng Qiu
Peter C. Austin
Harindra C. Wijeysundera
Akshay Bagai
Andrew T. Yan
Shaun G. Goodman
Jack V. Tu
Dennis T. Ko
author_sort Jacob A. Udell
collection DOAJ
description BackgroundWomen hospitalized with a non‐ST segment elevation acute coronary syndrome (ACS) have worse clinical outcomes compared with men. An early invasive strategy with prompt coronary revascularization may mitigate sex differences in outcomes. However, few contemporary studies have evaluated whether clinical outcomes differ between women and men presenting with ACS treated with an early invasive strategy. Methods and ResultsA population‐based cohort of hospitalized ACS patients who received prompt cardiac catheterization from 2008 to 2011 in Ontario, Canada and followed for up to 2 years was studied. Clinical outcomes were compared between men and women, stratified by the use of coronary revascularization. Inverse probability weighting using the propensity score accounted for measured differences in baseline characteristics between men and women. Among the 23 473 ACS patients who received cardiac catheterization during an index hospitalization, 66.1% of men and 51.8% of women received coronary revascularization during the same hospitalization. In the propensity‐weighted cohort of patients who received coronary revascularization, the 1‐year rate of death or recurrent ACS was 10.6% for men (referent) compared with 13.1% for women (hazard ratio 1.24; 95% CI 1.16–1.33). In contrast, outcomes for patients who did not receive coronary revascularization did not differ significantly between women and men at 1 year (17.8% versus 16.9%; hazard ratio 1.06; 95% CI 0.99–1.14) or at longer follow‐up. ConclusionsAn increased risk of adverse clinical outcomes was observed for women with ACS undergoing an early invasive strategy and coronary revascularization compared with men.
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spelling doaj.art-84ecba9d567a4a92ba622ad98d129d212022-12-21T18:11:30ZengWileyJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease2047-99802017-01-016110.1161/JAHA.116.004319Outcomes of Women and Men With Acute Coronary Syndrome Treated With and Without Percutaneous Coronary RevascularizationJacob A. Udell0Maria Koh1Feng Qiu2Peter C. Austin3Harindra C. Wijeysundera4Akshay Bagai5Andrew T. Yan6Shaun G. Goodman7Jack V. Tu8Dennis T. Ko9Women's College Research Institute and Cardiovascular Division, Department of Medicine, Women's College Hospital, University of Toronto, Ontario, CanadaInstitute for Clinical Evaluative Sciences, University of Toronto, Ontario, CanadaInstitute for Clinical Evaluative Sciences, University of Toronto, Ontario, CanadaInstitute for Clinical Evaluative Sciences, University of Toronto, Ontario, CanadaInstitute for Clinical Evaluative Sciences, University of Toronto, Ontario, CanadaTerrence Donnelly Heart Center, St. Michael's Hospital, University of Toronto, Ontario, CanadaTerrence Donnelly Heart Center, St. Michael's Hospital, University of Toronto, Ontario, CanadaTerrence Donnelly Heart Center, St. Michael's Hospital, University of Toronto, Ontario, CanadaInstitute for Clinical Evaluative Sciences, University of Toronto, Ontario, CanadaInstitute for Clinical Evaluative Sciences, University of Toronto, Ontario, CanadaBackgroundWomen hospitalized with a non‐ST segment elevation acute coronary syndrome (ACS) have worse clinical outcomes compared with men. An early invasive strategy with prompt coronary revascularization may mitigate sex differences in outcomes. However, few contemporary studies have evaluated whether clinical outcomes differ between women and men presenting with ACS treated with an early invasive strategy. Methods and ResultsA population‐based cohort of hospitalized ACS patients who received prompt cardiac catheterization from 2008 to 2011 in Ontario, Canada and followed for up to 2 years was studied. Clinical outcomes were compared between men and women, stratified by the use of coronary revascularization. Inverse probability weighting using the propensity score accounted for measured differences in baseline characteristics between men and women. Among the 23 473 ACS patients who received cardiac catheterization during an index hospitalization, 66.1% of men and 51.8% of women received coronary revascularization during the same hospitalization. In the propensity‐weighted cohort of patients who received coronary revascularization, the 1‐year rate of death or recurrent ACS was 10.6% for men (referent) compared with 13.1% for women (hazard ratio 1.24; 95% CI 1.16–1.33). In contrast, outcomes for patients who did not receive coronary revascularization did not differ significantly between women and men at 1 year (17.8% versus 16.9%; hazard ratio 1.06; 95% CI 0.99–1.14) or at longer follow‐up. ConclusionsAn increased risk of adverse clinical outcomes was observed for women with ACS undergoing an early invasive strategy and coronary revascularization compared with men.https://www.ahajournals.org/doi/10.1161/JAHA.116.004319acute coronary syndromepercutaneous coronary interventionsecondary preventionsex‐specificwomen
spellingShingle Jacob A. Udell
Maria Koh
Feng Qiu
Peter C. Austin
Harindra C. Wijeysundera
Akshay Bagai
Andrew T. Yan
Shaun G. Goodman
Jack V. Tu
Dennis T. Ko
Outcomes of Women and Men With Acute Coronary Syndrome Treated With and Without Percutaneous Coronary Revascularization
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
acute coronary syndrome
percutaneous coronary intervention
secondary prevention
sex‐specific
women
title Outcomes of Women and Men With Acute Coronary Syndrome Treated With and Without Percutaneous Coronary Revascularization
title_full Outcomes of Women and Men With Acute Coronary Syndrome Treated With and Without Percutaneous Coronary Revascularization
title_fullStr Outcomes of Women and Men With Acute Coronary Syndrome Treated With and Without Percutaneous Coronary Revascularization
title_full_unstemmed Outcomes of Women and Men With Acute Coronary Syndrome Treated With and Without Percutaneous Coronary Revascularization
title_short Outcomes of Women and Men With Acute Coronary Syndrome Treated With and Without Percutaneous Coronary Revascularization
title_sort outcomes of women and men with acute coronary syndrome treated with and without percutaneous coronary revascularization
topic acute coronary syndrome
percutaneous coronary intervention
secondary prevention
sex‐specific
women
url https://www.ahajournals.org/doi/10.1161/JAHA.116.004319
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