ArticleInterdisciplinary cardiovascular and thoracic surgery2026
Impact of Operating Room Efficiencies on Patient Outcomes Following Primary Coronary Artery Bypass Surgery.
Article in Interdisciplinary cardiovascular and thoracic surgery, 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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22 authors.
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Abstract
objectivesProlonged cardiopulmonary bypass (CPB) time during coronary artery bypass grafting (CABG) is associated with poor outcomes, however, the association of other operating room (OR) times is less understood. We studied the impact of OR times on outcomes and resource utilization after CABG.
methodsPatients undergoing isolated primary CABG from a large multicentre regional collaborative were analysed. The impact of risk-adjusted total OR, surgery, non-surgery, CPB, and off-CPB times on morbidity, extubation time, ICU and hospital length of stay (LOS), cost, and mortality, was studied. Multivariable regressions were performed adjusting for STS predicted risk of morbidity or mortality, intraoperative blood transfusion, CPB time, cross-clamp time, presence of a cardiothoracic surgery fellowship program, and year of surgery. Our adjustment accounted for patient and intraoperative factors that contribute to complexity and intraoperative course of surgery. All models incorporated centre as a random effect to account for hospital-level variations.
resultsAmong 29 206 patients (mean age 64.8 years, 76% male), median OR, surgery, non-surgery, and CPB times were 308, 235, 72, and 141 minutes, respectively. Longer surgery times were significantly associated with complications, prolonged ventilation, longer ICU and hospital LOS, and mortality. Similarly, increasing non-surgery OR time was significantly associated with worse outcomes, including longer LOS and complications. Each additional 15 minutes in the OR was associated with increased odds of complications, mortality, and cost.
conclusionsLonger non-surgical OR times are associated with adverse outcomes and increased cost. Improving OR efficiency may contribute to better patient outcomes.
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