Judith A A E Cuypers1, Jannet A Eindhoven2, Maarten A Slager2, Petra Opić2, Elisabeth M W J Utens3, Willem A Helbing4, Maarten Witsenburg2, Annemien E van den Bosch2, Mohamed Ouhlous5, Ron T van Domburg2, Dimitris Rizopoulos6, Folkert J Meijboom7, Ad J J C Bogers8, Jolien W Roos-Hesselink2. 1. Department of Cardiology, Erasmus MC, PO Box 2040, Rotterdam 3015 CE, The Netherlands j.cuypers@erasmusmc.nl. 2. Department of Cardiology, Erasmus MC, PO Box 2040, Rotterdam 3015 CE, The Netherlands. 3. Department of Child and Adolescent Psychiatry and Psychology, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands. 4. Department of Pediatrics, Division of Cardiology, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands. 5. Department of Radiology, Erasmus MC, Rotterdam, The Netherlands. 6. Department of Biostatistics, Erasmus MC, Rotterdam, The Netherlands. 7. Department of Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands. 8. Department of Cardio-thoracic Surgery, Erasmus MC, Rotterdam, The Netherlands.
Abstract
AIMS: To describe long-term survival, clinical outcome and ventricular systolic function in a longitudinally followed cohort of patients after Mustard repair for transposition of the great arteries (TGA). There is serious concern about the long-term outcome after Mustard repair. METHODS AND RESULTS: This longitudinal single-centre study consisted of 91 consecutive patients, who underwent Mustard repair before 1980, at age <15 years, and were evaluated in-hospital every 10 years. Survival status was obtained of 86 patients. Median follow-up was 35 (IQR 34-38) years. Cumulative survival was 84% after 10 years, 80% after 20 years, 77% after 30 years, and 68% after 39 years. Cumulative survival free of events (i.e. heart transplantation, arrhythmias, reintervention, and heart failure) was 19% after 39 years. Reinterventions were mainly required for baffle-related problems. Supraventricular and ventricular arrhythmias occurred in 28 and 6% of the patients, respectively. Pacemaker and/or ICD implantation was performed in 39%. Fifty survivors participated in the current in-hospital investigation including electrocardiography, 2D-echocardiography, cardiopulmonary-exercise testing, NT-proBNP measurement, Holter monitoring, and cardiac magnetic resonance. Right ventricular systolic function was impaired in all but one patient at last follow-up, and 14% developed heart failure in the last decade. NT-proBNP levels [median 31.6 (IQR 22.3-53.2) pmol/L] were elevated in 92% of the patients. Early postoperative arrhythmias were a predictor for late arrhythmias [HR 3.8 (95% CI 1.5-9.5)], and development of heart failure [HR 8.1 (95% CI 2.2-30.7)]. Also older age at operation was a predictor for heart failure [HR 1.26 (95% CI 1.0-1.6)]. CONCLUSION: Long-term survival after Mustard repair is clearly diminished and morbidity is substantial. Early postoperative arrhythmias are a predictor for heart failure and late arrhythmias. Published on behalf of the European Society of Cardiology. All rights reserved.
AIMS: To describe long-term survival, clinical outcome and ventricular systolic function in a longitudinally followed cohort of patients after Mustard repair for transposition of the great arteries (TGA). There is serious concern about the long-term outcome after Mustard repair. METHODS AND RESULTS: This longitudinal single-centre study consisted of 91 consecutive patients, who underwent Mustard repair before 1980, at age <15 years, and were evaluated in-hospital every 10 years. Survival status was obtained of 86 patients. Median follow-up was 35 (IQR 34-38) years. Cumulative survival was 84% after 10 years, 80% after 20 years, 77% after 30 years, and 68% after 39 years. Cumulative survival free of events (i.e. heart transplantation, arrhythmias, reintervention, and heart failure) was 19% after 39 years. Reinterventions were mainly required for baffle-related problems. Supraventricular and ventricular arrhythmias occurred in 28 and 6% of the patients, respectively. Pacemaker and/or ICD implantation was performed in 39%. Fifty survivors participated in the current in-hospital investigation including electrocardiography, 2D-echocardiography, cardiopulmonary-exercise testing, NT-proBNP measurement, Holter monitoring, and cardiac magnetic resonance. Right ventricular systolic function was impaired in all but one patient at last follow-up, and 14% developed heart failure in the last decade. NT-proBNP levels [median 31.6 (IQR 22.3-53.2) pmol/L] were elevated in 92% of the patients. Early postoperative arrhythmias were a predictor for late arrhythmias [HR 3.8 (95% CI 1.5-9.5)], and development of heart failure [HR 8.1 (95% CI 2.2-30.7)]. Also older age at operation was a predictor for heart failure [HR 1.26 (95% CI 1.0-1.6)]. CONCLUSION: Long-term survival after Mustard repair is clearly diminished and morbidity is substantial. Early postoperative arrhythmias are a predictor for heart failure and late arrhythmias. Published on behalf of the European Society of Cardiology. All rights reserved.
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