International Perfusion Association

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IPA

Day: November 17, 2024

DHCA

Temperature Management in Acute Type A Aortic Dissection Treatment: Deep vs. Moderate Hypothermic Circulatory Arrest

This study compares the clinical outcomes of deep hypothermic circulatory arrest (DHCA, <20°C) and moderate hypothermic circulatory arrest (MHCA, 20-28°C) in 143 patients undergoing acute type A aortic dissection surgery. DHCA was associated with higher rates of acute kidney injury (25.2% vs. 7.5%), delirium (22.3% vs. 5%), longer ICU stays, and greater complication risks compared to MHCA. While survival rates after two years were similar, MHCA proved to be safer and more beneficial in minimizing postoperative complications when feasible.

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November 17, 2024
Cerebral 2024

Cerebral Overperfusion Despite Reduced Cortical Metabolism Is Linked to Postoperative Delirium in Cardiac Surgery Patients

This study explores the association between cerebral overperfusion and postoperative delirium (POD) in cardiac surgery patients. Continuous monitoring of cerebral blood flow, oxygen levels, and brain activity revealed increased middle cerebral artery velocity (MCAV) in patients with POD, despite stable oxygen saturation and autoregulation. The findings suggest that impaired cortical metabolism may render the brain vulnerable to overperfusion during surgery, increasing POD risk.

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November 17, 2024

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