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  • Title: Surgical results after total transatrial/transpulmonary correction of tetralogy of Fallot.
    Author: Giannopoulos NM, Chatzis AC, Tsoutsinos AI, Bobos D, Kontrafouris K, Mylonakis M, Kirvassilis G, Sofianidou I, Zavaropoulos P, Sarris GE.
    Journal: Hellenic J Cardiol; 2005; 46(4):273-82. PubMed ID: 16159007.
    Abstract:
    INTRODUCTION: Surgical repair of tetralogy of Fallot is associated with low early morbidity and mortality. However, there may be late morbidity and mortality due to right ventricular dysfunction. The transatrial/transpulmonary technique may ameliorate these long-term complications. Here we present the results from our use of this approach. METHODS: A hundred sixty-three consecutive patients (age 6 months to 45 years, median 1.5 years) underwent transatrial/transpulmonary total correction in our department. In 142 patients the main pulmonary artery was augmented by an autologous pericardial patch, in 31 cases the arterioplasty was extended to the pulmonary artery branches, and pulmonary artery valvuloplasty was needed in 129 patients. A monocusp autologous pericardial valve mechanism was inserted in 14 patients. RESULTS: Patient follow up was 100% complete with a median duration of 3.05 years. There were no deaths. One patient required early reoperation to relieve residual right ventricular outflow tract (RVOT) obstruction. Median ICU and hospital stay were 3 and 11 days, respectively. At hospital discharge RVOT gradient was 13.7 +/- 13 (median 10) mmHg, while most patients (94%) had up to moderate pulmonary valve insufficiency (1 + in 63.8%, 2+ in 30.6%), and normal (92.6%) or mildly reduced (6.1%) right ventricular function. In 81% some degree of tricuspid regurgitation was noted. One patient required late reoperation for mitral valve repair. All patients are in NYHA class I or II. The degree of pulmonary valve insufficiency remains stable (69.9% with 0-1 + and 24.5% up to 2+). Likewise, tricuspid valve function remains unchanged (96% of the patients had mild or up to moderate regurgitation). There was no significant RVOT obstruction and in most patients (93.2%) right ventricular function was normal. CONCLUSION: These results compare very favorably to those reported in the literature. The medium-term findings auger well for future adverse event rates, but long-term follow up is still necessary to confirm them.
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