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Transatrial-transpulmonary correction of tetralogy of Fallot: experience of a developing country
Kouassi Antonin Souaga1, Rebecca Bonny1, Eric Koutoua Katche1
1Cardiovascular Surgery Department, the Abidjan Heart Institute, Abidjan, Ivory Coast.
Introduction:
Right ventricular dysfunction is a cause of morbidity and mortality after surgical correction of tetralogy of Fallot. The transatrial-transpulmonary approach allows preservation of right ventricular function.
Aim:
To report the immediate and long-term results of surgical treatment of tetralogy of Fallot using the transatrial-transpulmonary approach.
Material And Methods:
This is a retrospective study including cases of tetralogy of Fallot operated on by the transatrial-transpulmonary approach between April 2009 and October 2010 in our institution.
Results:
There were 19 patients including 10 girls and 9 boys with a mean age of 7.4 years (extremes: 3 and 19 years). All our patients benefited from closure of the ventricular septal defect by a right atrial approach and enlargement of the pulmonary pathway. In the immediate postoperative period, the pressure gradient between the pulmonary artery and the right ventricle was 18.77 mm Hg. We had 2 deaths (10.5%). Complications were dominated by conduction disorders (100%) such as right bundle branch block and pleuropulmonary complications (41.20%). After a mean follow-up of 11.43 ±0.81 years, no patient died and all were asymptomatic, without significant residual lesion.
Conclusions:
Complete cure of tetralogy of Fallot by the transatrial-transpulmonary route is associated with low morbidity and mortality in our experience. The long-term results are satisfactory.
