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• W4385431254 abstract "Objective To characterize residual aortic regurgitation (AR), identify its risk factors, and evaluate outcomes following aortic root replacement with aortic valve reimplantation. Methods From 2002–2020, 756 patients with tricuspid aortic valves underwent elective reimplantation for aortic root aneurysm. AR on transthoracic echocardiograms before hospital discharge was graded as mild or greater. Machine learning was used to identify risk factors for residual AR and subsequent aortic valve reoperation. Results Sixty-five patients (8.6%) had mild (58/7.7%) or moderate (7/0.93%) residual postoperative AR. They had more severe preoperative AR (38% vs 12%, P<.0001), thickened cusps (7.7% vs 2.2%, P=.008), aortic valve repair (38% vs 23%, P=.004), and multiple returns to cardiopulmonary bypass for additional repair (11% vs 3.3%, P=.003) than those without AR. Predictors of residual AR were severe preoperative AR, smaller aortic root graft, and concomitant cusp repair. At 10 years, patients with versus without residual AR had more moderate or severe AR (48% vs 7.0%, P<.0001) and freedom from reoperation was worse (89% vs 98%, P<.0001). Residual AR was a risk factor for early reoperation. Concomitant coronary bypass, lower body mass index, and lower ejection fraction were risk factors for late reoperation. Ten-year survival was similar among patients with and without residual AR (97% vs 93%, P=.43). Conclusions Residual AR after elective reimplantation of tricuspid aortic valves for aortic root aneurysm is uncommon. Patients with severe preoperative AR and those who undergo valve repair have higher risk for residual AR, which can progress and increase risk of aortic valve reoperation." @default.
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• W4385431254 date "2023-07-01" @default.
• W4385431254 modified "2023-10-14" @default.
• W4385431254 title "Outcomes of aortic root replacement with tricuspid aortic valve reimplantation in patients with residual aortic regurgitation" @default.
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• W4385431254 doi "https://doi.org/10.1016/j.jtcvs.2023.07.038" @default.
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