Our first experience of transcatheter pulmonary valve replacement

The treatment of pulmonary valve disease is one of the urgent problems of modern cardiology and cardiac surgery. In most cases, pulmonary valve abnormalities are congenital. Synthetic conduits (homografts) and bioprosphetic valves are currently used in the surgical treatment of patients with the diseases mentioned above. Pulmonary valve surgical prosthetics allows one to normalize the circulatory dynamics and condition of the patient, however, time-dependent degradation results in conduit and valve dysfunction. The abnormal circulatory dynamics caused by valve and conduit dysfunction is linked to exercise intolerance, arrhythmia, right ventricular failure, and sudden death. Starting in childhood, affected patients undergo repeated openheart surgeries to restore valve function and potentially reduce morbidity and mortality. Percutaneous transcatheter treatment of the pulmonary valve stenosis with the Melody® valve (Medtronic Inc.) has been performed in a large number of patients worldwide. Despite minimal invasiveness, this procedure restores pulmonary valve function and reduces repeated open-heart interventions. Recent clinical trials have shown excellent and durable results in terms of both restoring valve function and decreasing right ventricular outflow tract obstruction.
In this study, we want to reflect the relevance of the Melody transcatheter valve and present our first experience of its usage.

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