Aortic arch branching variations and risk of cerebrovascular accidents in patients with a left ventricular assist device

Casper F. Zijderhand*, Jelena Sjatskig, Denne A. Scharink, Jette J. Peek, Ozcan Birim, Jos A. Bekkers, Ad J.J.C. Bogers, Kadir Caliskan

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Aims This retrospective study investigated the association between anatomical variations in the aortic arch branching and adverse events, including the risk of cerebrovascular accidents (CVAs), in patients with a left ventricular assist device (LVAD). Methods Medical charts were reviewed for all patients with HeartMate 3 LVAD support at our center from 2016 to 2021. Computed tomography scans were evaluated to categorize the variations in the aortic arch branching based on seven different types, as described in the literature. Results In total, 101 patients were included: 86 (85.1%) with a normal branching pattern and 15 (14.9%) with an anatomical variation. The following variations were observed: eight (7.9%) with a bovine arch and seven (6.9%) with a left vertebral arch. The median age was 57 years, 77.2% were men, and the median follow-up was 25 months. No difference was found in the rate of early (< 30 days) re-exploration due to bleeding after LVAD implantation. The rate of CVA and mortality did not differ significantly between patients with a normal arch or an anatomical variation during follow-up, with hazard ratios of 1.47 [95% confidence interval (CI): 0.48 – 4.48; P U 0.495] and 0.69 (95% CI: 0.24 – 1.98; P U 0.489), respectively. Conclusion This preliminary study showed no differences in early and long-term adverse events, including CVA, when comparing patients with a variation in the aortic arch branching to patients with a normal aortic arch. However, knowledge of the variations in aortic arch branching could be meaningful during cardiac surgery for potential differences in surgical events in the perioperative period.

Original languageEnglish
Pages (from-to)44-50
Number of pages7
JournalJournal of Cardiovascular Medicine
Volume25
Issue number1
DOIs
Publication statusPublished - 1 Jan 2024

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