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In this study, two patient cohorts who underwent coronary artery bypass graft surgery before and after the start of the COVID-19 pandemic were compared.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods<\/jats:title>\n            <jats:p>Patients who presented for coronary artery bypass graft surgery before (01.05.18\u201330.04.19; group \u201cB\u201d) or during the COVID-19 pandemic (01.05.20-30.04.21; group \u201cP\u201d) at the University Hospital M\u00fcnster in Germany were retrospectively identified and compared regarding demographics, preoperative status, surgical data, and postoperative outcome.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>513 (group \u201cB\u201d) and 501 patients (group \u201cP\u201d) were included, demographics were comparable. In group \u201cP\u201d, preoperative myocardial infarction and emergency indications were more frequent, heart-lung machine and aortic clamping times were longer. Postoperative ICU-days and inpatient stay did not differ. Postoperative need of an extracorporeal life support system and intrahospital mortality tended to be higher in group \u201cP\u201d, without reaching statistical significance.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>The COVID-19 pandemic had a significant impact on cardiac surgical care with the prioritization of emergency procedures. Patients treated during the pandemic were in a more critical preoperative condition, duration of surgery was longer, but post-operative mortality was comparable.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/s13019-025-03373-2","type":"journal-article","created":{"date-parts":[[2025,2,15]],"date-time":"2025-02-15T09:29:22Z","timestamp":1739611762000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Impact of the COVID-19 pandemic on patients with coronary artery disease requiring cardiac surgery at a German university hospital"],"prefix":"10.1186","volume":"20","author":[{"given":"Jan S.","family":"Englbrecht","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan K.","family":"Landwehrt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Henryk","family":"Welp","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sven","family":"Martens","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antje","family":"Gottschalk","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,2,15]]},"reference":[{"key":"3373_CR1","first-page":"545","volume":"120","author":"A Reinacher-Schick","year":"2023","unstructured":"Reinacher-Schick A, Ebert MP, Piso P, H\u00fcppe D, Schmitt J, Schildmann J. 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