• Cochrane Db Syst Rev · Apr 2023

    Review

    General versus loco-regional anesthesia for endovascular aortic aneurysm repair.

    • Sandra Lee, Carolyne You, Andrew Kucey, Fahad Alam, Giuseppe Papia, Daryl S Kucey, Thomas Forbes, Stephen Choi, Andrew D Dueck, and Ahmed Kayssi.
    • Division of Vascular Surgery, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Canada.
    • Cochrane Db Syst Rev. 2023 Apr 13; 4 (4): CD013182CD013182.

    BackgroundAortic aneurysms occur when the aorta, the body's largest artery, grows in size, and can occur in the thoracic or abdominal aorta. The approaches to repair aortic aneurysms include directly exposing the aorta and replacing the diseased segment via open repair, or endovascular repair. Endovascular repair uses fluoroscopic-guidance to access the aorta and deliver a device to exclude the aneurysmal aortic segment without requiring a large surgical incision. Endovascular repair can be performed under a general anesthetic, during which the unconscious patient is paralyzed and reliant on an anesthetic machine to maintain the airway and provide oxygen to the lungs, or a loco-regional anesethetic, for which medications are administered to provide the person with sufficient sedation and pain control without requiring a general anesthetic. While people undergoing general anesthesia are more likely to remain still during surgery and have a well-controlled airway in the event of unanticipated complications, loco-regional anesthesia is associated with fewer postoperative complications in some studies. It remains unclear which anesthetic technique is associated with better outcomes following the endovascular repair of aortic aneurysms.ObjectivesTo evaluate the benefits and harms of general anesthesia compared to loco-regional anesthesia for endovascular aortic aneurysm repair.Search MethodsWe used standard, extensive Cochrane search methods. The latest search was 11 March 2022.Selection CriteriaWe searched for all randomized controlled trials that assessed the effects of general anesthesia compared to loco-regional anesthesia for endovascular aortic aneurysm repairs.Data Collection And AnalysisWe used standard Cochrane methods. Our primary outcomes were: all-cause mortality, length of hospital stay, length of intensive care unit stay. Our secondary outcomes were: incidence of endoleaks, requirement for re-intervention, incidence of myocardial infarction, quality of life, incidence of respiratory complications, incidence of pulmonary embolism, incidence of deep vein thrombosis, and length of procedure. We planned to use GRADE methodology to assess the certainty of evidence for each outcome.Main ResultsWe found no studies, published or ongoing, that met our inclusion criteria.Authors' ConclusionsWe did not identify any randomized controlled trials that compared general versus loco-regional anesthesia for endovascular aortic aneurysm repair. There is currently insufficient high-quality evidence to determine the benefits or harms of either anesthetic approach during endovascular aortic aneurysm repair. Well-designed prospective randomized trials with relevant clinical outcomes are needed to adequately address this.Copyright © 2023 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.

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