Consequences of a selective approach toward pulmonary valve replacement in adult patients with tetralogy of Fallot and pulmonary regurgitation.
until further notice
SourceJournal of Thoracic and Cardiovascular Surgery, 135, 1, (2008), pp. 50-55
Article / Letter to editor
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Journal of Thoracic and Cardiovascular Surgery
SubjectUMCN 5.5: Nutrition and Health
OBJECTIVE: The aim of the study was to assess the long-term results of a selective policy toward pulmonary valve replacement in adult patients with repaired tetralogy of Fallot and severe pulmonary regurgitation. METHODS: Sixty-seven patients with tetralogy of Fallot were followed up from 15 +/- 3 years until 27 +/- 3 years after surgery. RESULTS: Twenty-two patients had mild-to-moderate pulmonary regurgitation. No significant changes occurred in the follow-up period. Of 45 patients with severe pulmonary regurgitation and severe right ventricular dilatation, 28 (62%) remained free of symptoms and did not undergo pulmonary valve replacement. No changes in right ventricular size or exercise capacity were found. In 3 (11%) of 28 patients, QRS duration increased to more than 180 ms. Seventeen patients had symptoms and underwent pulmonary valve replacement: 9 (54%) of 17 patients improved clinically and echocardiographically, and QRS duration shortened postoperatively. Right ventricular dimensions did not regress despite pulmonary valve replacement in 8 patients. CONCLUSION: Refraining from pulmonary valve replacement in asymptomatic patients led to no measurable deterioration in 25 (89%) of 28 patients. Referring symptomatic patients for pulmonary valve replacement led to an improvement in 9 (53%) of 17 patients. In 11 (24%) of 45, a selective approach led to questionable or unsatisfactory results.
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