Midterm outcomes of aortic root surgery in patients with Marfan syndrome: A prospective, multicenter, comparative study.
The Journal of thoracic and cardiovascular surgery(2021)
摘要
OBJECTIVE:The objective of this study was to compare midterm outcomes of aortic valve-replacing root replacement (AVR) and aortic valve-sparing root replacement (AVS) operations in patients with Marfan syndrome.
METHODS:Patients who met strict Ghent diagnostic criteria for Marfan syndrome and who underwent either AVR or AVS between March 1, 2005 and December 31, 2010 were enrolled in a 3-year follow-up prospective, multicenter, international registry study; the study was subsequently amended to include 20-year follow-up. Enrollees were followed clinically and echocardiographically.
RESULTS:Of the 316 patients enrolled, 77 underwent AVR and 239 underwent AVS; 214 gave reconsent for 20-year follow-up. The median clinical follow-up time for surviving patients was 64 months (interquartile range, 42-66 months). Survival rates for the AVR and AVS groups were similar at 88.2% ± 4.4% and 95.0% ± 1.5%, respectively (P = .1). Propensity score-adjusted competing risk modeling showed associations between AVS and higher cumulative incidences of major adverse valve-related events, valve-related morbidity, combined structural valve deterioration and nonstructural valve dysfunction, and aortic regurgitation ≥2+ (all P < .01). No differences were found for reintervention (P = .7), bleeding (P = .2), embolism (P = .3), or valve-related mortality (P = .8).
CONCLUSIONS:Five years postoperatively, major adverse valve-related events and valve-related morbidity were more frequent after AVS than after AVR procedures, primarily because of more frequent aortic valve dysfunction. No between-group differences were found in rates of survival, valve-related mortality, reintervention on the aortic valve, or bleeding. We plan to follow this homogenous cohort for 20 years after aortic root replacement.
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