Morbidity And Mortality After Anatomic Repair Of Congenitally Corrected Transposition Of The Great Arteries: Understanding Risks For Patient And Family Counseling
Circulation(2020)
摘要
Introduction: Anatomic repair of congenitally corrected transposition of the great arteries (ccTGA) generally poses short-term risk for presumed long-term functional benefit by restoring the left ventricle to the systemic circulation. Understanding early and late surgical outcomes is crucial for counseling patients and families. Methods: All patients with anatomic repair at a single institution from 1993-2018 were included. Follow-up data was obtained by contact with patients’ primary cardiologists. The primary outcome was long-term survival and the secondary outcome was freedom from reintervention. Univariate Cox proportional hazard model was used to identify risk factors for mortality. In-hospital mortality and morbidity were compared between the most recent (2010-2018) and past surgical eras. Results: Anatomic repair was performed in 118 patients: 64 Senning/arterial switch operations (ASO) and 54 Senning/Rastelli operations. Survival was 85%, 82%, and 70% at 1, 10, and 20 years after repair, respectively, and was significantly lower in the Senning/Rastelli group compared to Senning/ASO (Hazard ratio 3.0, p=0.01; Figure 1). Preoperative factors associated with mortality were heterotaxy syndrome (p=0.03) and right ventricular systolic dysfunction (p=0.01). During a median follow up of 9.4 years, 47 of 98 patients (48%) required surgical or catheter-based reintervention; median freedom from reintervention was 11.7 years. For the most recent era, 30 of 32 patients (94%) with Senning/ASO and 19 of 22 patients (86%) with Senning/Rastelli operations survived to hospital discharge. In-hospital morbidity was similar between eras (30% in 1993-2009 and 28% in 2010-2018, p=0.82). Conclusions: Short- and long-term outcomes are favorable following Senning/ASO. Mortality following Senning/Rastelli operations remains high, highlighting the need for careful patient selection and family counseling.
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