ArticleFrontiers in cardiovascular medicine2025
Application of transesophageal echocardiography combined with FloTrac monitoring in cardiac valve replacement surgery.
Article in Frontiers in cardiovascular medicine, 2025. 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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Abstract
Objective: To compare intraoperative hemodynamics between transesophageal echocardiography (TEE) combined with FloTrac vs. TEE with invasive arterial pressure monitoring, and to examine associations with postoperative cognitive dysfunction (POCD) in patients undergoing cardiac valve replacement. Methods: A retrospective matched-cohort study included 162 patients (81 per group) matched by surgical type, ASA classification, age, and cardiopulmonary bypass time. Hemodynamic parameters were measured at four time points (T1-T4). Linear mixed-effects models assessed group, time, and interaction effects. Exploratory logistic regression preserving the matched design evaluated associations with POCD. Results: Group effects were significant for heart rate (HR, Conclusion: TEE combined with FloTrac provides a more detailed intraoperative hemodynamic assessment and reveals distinct temporal trends compared to invasive arterial pressure monitoring. These differences did not correspond to changes in clinical outcomes in this cohort, but the observations may inform the design of future studies on hemodynamic monitoring strategies and POCD risk.
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