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SuPAR predicts postoperative complications and mortality in patients with asymptomatic aortic stenosis
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2018 (English)In: Open heart, ISSN 0168-2601, E-ISSN 2053-3624, Vol. 5, no 1, article id e000743Article in journal (Refereed) Published
Abstract [en]

Background We evaluated whether early measurement of soluble urokinase plasminogen activator receptor (suPAR) could predict future risk of postoperative complications in initially asymptomatic patients with mild-moderate aortic stenosis (AS) undergoing aortic valve replacement (AVR) surgery.

Methods Baseline plasma suPAR levels were available in 411 patients who underwent AVR surgery during in the Simvastatin and Ezetimibe in Aortic Stenosis (SEAS) study. Cox analyses were used to evaluate suPAR in relation to all-cause mortality and the composite endpoint of postoperative complications (all-cause mortality, congestive heart failure, stroke and renal impairment) occurring in the 30-day postoperative period.

Results Patients with initially higher levels of suPAR were at increased risk of postoperative mortality with a HR of 3.5 (95% CI 1.4 to 9.0, P=0.008) and postoperative complications with a HR of 2.7 (95% CI 1.5 to 5.1, P=0.002), per doubling in suPAR. After adjusting for the European System for Cardiac Operative Risk Evaluation or Society of Thoracic Surgeons risk score, suPAR remained associated with postoperative mortality with a HR 3.2 (95% CI 1.2 to 8.6, P=0.025) and 2.7 (95% CI 1.0 to 7.8, P=0.061); and postoperative complications with a HR of 2.5 (95% CI 1.3 to 5.0, P=0.007) and 2.4 (95% CI 1.2 to 4.8, P=0.011), respectively.

Conclusion Higher baseline suPAR levels are associated with an increased risk for postoperative complications and mortality in patients with mild-moderate, asymptomatic AS undergoing later AVR surgery. Further validation in other subsets of AS individuals are warranted.

Place, publisher, year, edition, pages
BMJ Publishing Group Ltd, 2018. Vol. 5, no 1, article id e000743
National Category
Surgery Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:umu:diva-146446DOI: 10.1136/openhrt-2017-000743ISI: 000427076500032PubMedID: 29387432OAI: oai:DiVA.org:umu-146446DiVA, id: diva2:1203611
Available from: 2018-05-03 Created: 2018-05-03 Last updated: 2018-06-09Bibliographically approved

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Boman, Kurt

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