ArticlePerfusion2026
Post-operative oxygen delivery and delirium after cardiac surgery with cardiopulmonary bypass: A multisite retrospective cohort study of 1,690 patients.
Article in Perfusion, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
14 authors.
Funding
Abstract
IntroductionDelirium is a common, distressing, and dangerous complication after cardiac surgery with cardiopulmonary bypass (CPB) with few modifiable risk factors. This study aims to determine the association between post-operative oxygen delivery (DO2i) and the risk of delirium and assess the critical threshold for DO2i associated with delirium risk after surgery.MethodsThis study is a multi-site retrospective cohort study with 1690 patients undergoing elective cardiac surgery with CPB who had multiple cardiac output measurements with a pulmonary artery catheter and arterial blood gas analyses.ResultsThe cohort of 1690 patients analyzed included 185 patients diagnosed with delirium within 7 days of surgery (11%). Patients with delirium had a lower post-operative DO2i (mean difference of 26 ml/min/m
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