ArticleFrontiers in cardiovascular medicine2026
Impact of left subclavian artery management on surgical efficiency and perioperative cerebral infarction in type A aortic dissection under deep hypothermic circulatory arrest: a single-center retrospective cohort study.
Article in Frontiers in cardiovascular medicine, 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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Abstract
Background: Acute type A aortic dissection is a catastrophic cardiovascular emergency requiring urgent surgery. Hemiarch replacement under deep hypothermic circulatory arrest (DHCA) is a standard approach. This study compared the outcomes of two supra-aortic vessel management strategies during DHCA. Methods: This retrospective cohort study analyzed 109 patients undergoing hemiarch replacement between May 2024 and January 2026. Patients were divided into two groups: the left subclavian artery (LSA) Occlusion Group ( Results: Preoperative baseline characteristics were well-balanced between groups (all Conclusion: In this cohort, the strategy of clamping the left subclavian artery during hemiarch replacement was associated with prolonged critical intraoperative times and a significantly increased risk of perioperative cerebral infarction. LSA occlusion was identified as an independent risk factor for stroke. These findings suggest that omitting LSA manipulation may be a safer and more efficient approach, but the results require validation in larger, prospective studies.
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