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• W2883003416 abstract "BackgroundAnnular stabilization techniques in bicuspid aortic valve (BAV) repair include valve-sparing root reimplantation (VSRR), external subannular aortic ring (ESAR), and subcommissural annuloplasty (SCA). Unlike VSRR that offers neoroot creation, ESAR and SCA offer annular reduction only. We compared long-term functional outcomes to understand BAV repair durability.MethodsFrom 2004 to 2017, 137 patients underwent Sievers type I BAV repair (VSRR, n = 54; ESAR, n = 22; SCA, n = 51). Prospectively maintained BAV repair database was queried for clinical and functional outcomes. Data were analyzed by logistic regression, threshold regression, multistate survival, and transition models for BAV repair durability.ResultsVSRR patients had larger preoperative sinus dimensions (p < 0.001), but mean preoperative annulus size was similar for VSRR, ESAR, and SCA (29.3 ± 3.7 mm, 29.8 ± 3.8 mm, and 29.7 ± 3.8mm, respectively; p = 0.807). Degree of annular reduction (p = 0.280) was comparable between the groups. Intraoperative postrepair freedom from aortic insufficiency (AI) 1+ or greater was 100% across the entire cohort.By logistic regression, important predictors of recurrent AI (1+ and ≥2+) were preoperative annulus of 30 mm or more for SCA. Threshold regression confirmed annulus of 30 mm or more as risk factor for recurrent AI of 1+ or greater for SCA. Risk to relapse from no AI to AI 1+ was equal between the groups; however, once AI 1+ was reached, there was a 2.5-fold increased risk for patients with annulus of 30 mm or more who underwent SCA to progress to recurrent AI of 2+ or greater.ConclusionsVSRR is associated with improved longitudinal BAV durability compared with SCA. Preoperative annulus diameter of 30 mm or more is associated with increased recurrent AI, especially for SCA patients. For annular indications, ESAR might offer comparable functional outcomes with VSRR; however, further follow-up is critical. Annular stabilization techniques in bicuspid aortic valve (BAV) repair include valve-sparing root reimplantation (VSRR), external subannular aortic ring (ESAR), and subcommissural annuloplasty (SCA). Unlike VSRR that offers neoroot creation, ESAR and SCA offer annular reduction only. We compared long-term functional outcomes to understand BAV repair durability. From 2004 to 2017, 137 patients underwent Sievers type I BAV repair (VSRR, n = 54; ESAR, n = 22; SCA, n = 51). Prospectively maintained BAV repair database was queried for clinical and functional outcomes. Data were analyzed by logistic regression, threshold regression, multistate survival, and transition models for BAV repair durability. VSRR patients had larger preoperative sinus dimensions (p < 0.001), but mean preoperative annulus size was similar for VSRR, ESAR, and SCA (29.3 ± 3.7 mm, 29.8 ± 3.8 mm, and 29.7 ± 3.8mm, respectively; p = 0.807). Degree of annular reduction (p = 0.280) was comparable between the groups. Intraoperative postrepair freedom from aortic insufficiency (AI) 1+ or greater was 100% across the entire cohort. By logistic regression, important predictors of recurrent AI (1+ and ≥2+) were preoperative annulus of 30 mm or more for SCA. Threshold regression confirmed annulus of 30 mm or more as risk factor for recurrent AI of 1+ or greater for SCA. Risk to relapse from no AI to AI 1+ was equal between the groups; however, once AI 1+ was reached, there was a 2.5-fold increased risk for patients with annulus of 30 mm or more who underwent SCA to progress to recurrent AI of 2+ or greater. VSRR is associated with improved longitudinal BAV durability compared with SCA. Preoperative annulus diameter of 30 mm or more is associated with increased recurrent AI, especially for SCA patients. For annular indications, ESAR might offer comparable functional outcomes with VSRR; however, further follow-up is critical." @default.
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• W2883003416 date "2018-11-01" @default.
• W2883003416 modified "2023-10-16" @default.
• W2883003416 title "Predictors of Recurrent Aortic Insufficiency in Type I Bicuspid Aortic Valve Repair" @default.
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• W2883003416 doi "https://doi.org/10.1016/j.athoracsur.2018.06.026" @default.
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