Abstract
We investigated whether distal anastomosis to the true lumen in open surgical repair of descending aorta for chronic type B aortic dissection improved the long-term outcomes with aortic remodeling. We retrospectively reviewed 71 patients with chronic type B aortic dissection, excluding those with connective tissue disorder, from October 2001 to June 2021. The patients who underwent distal true lumen anastomosis (group T, n = 36) were compared to those with both lumens’ anastomosis (group B, n = 35), regarding survival, overall and distal aortic events. The growth rates of the distal aorta (maximum diameter in descending thoracic, suprarenal and infrarenal abdominal aorta) were also investigated. Median age was significantly higher in group T (T; 66 vs B; 60, P = .001). Group T had significantly higher rates of complete and partial thrombosis formation in the false lumen than group B postoperatively (26.9 vs 0%, P = .01 for complete, 65.4 vs 3.9%, P < .0001 for partial, respectively). At median follow-up for 6.8 years of 63 patients (88.7%), survival, overall and distal aortic event-free rates, and the growth rates of the distal aorta were not significantly different between the groups. Distal anastomosis to the true lumen did not improve mid-term survival, aortic event-free rates and the growth rates of the distal aorta compared with that of both lumens for chronic type B aortic dissection.
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The data presented in this study are available from the corresponding author.
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Yamana, K., Takami, Y., Niwa, W. et al. Mid-term results of distal anastomosis to the true lumen for chronic type B aortic dissection. Heart Vessels 38, 849–856 (2023). https://doi.org/10.1007/s00380-023-02234-z
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DOI: https://doi.org/10.1007/s00380-023-02234-z