Why the study?
Does percutaneous transcatheter myectomy with an atherectomy catheter improve clinical status and cyanosis in an infant with tetralogy of Fallot and progressive infundibular stenosis?
Does percutaneous transcatheter myectomy with an atherectomy catheter improve clinical status and cyanosis in an infant with tetralogy of Fallot and progressive infundibular stenosis?
Percutaneous transcatheter myectomy using an atherectomy catheter may serve as a novel palliative technique for managing progressive infundibular stenosis in infants with tetralogy of Fallot.
Hypothesis-generating for transcatheter myectomy in infant TOF; prospective trials needed before adoption.
A male infant with tetralogy of Fallot was given a modified left Blalock-Taussig shunt at 11 days of age because of duct dependence. Twenty months later, because of increasing cyanosis and polycythaemia, he was given palliative treatment with balloon dilatation of the right ventricular outflow tract. Seven months later a right ventricular angiogram showed further progression of the infundibular stenosis with poor anterograde opacification of the pulmonary arteries. He underwent percutaneous transcatheter myectomy of the infundibulum with an atherectomy catheter. One month later he was well and less cyanosed.
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Qureshi et al. (1990) studied this question.
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