Balloon dilatation of the pulmonary valve in a patient with pulmonary atresia and intact ventricular septum using a commercially available radiofrequency catheter

Pediatric Cardiology
T AkagiH Kato

Abstract

Using a commercially available 5F deflectable radiofrequency catheter, we have succeeded in percutaneous valvotomy of an imperforate pulmonary valve and consecutive balloon dilatation in a baby with pulmonary atresia and intact ventricular septum. After the procedure, right ventricular systolic pressure fell from 125 mmHg to 65 mmHg, and right ventriculography demonstrated anterograde blood flow into the pulmonary arteries. There were no major complications. Doppler echocardiography at 1 year after the procedure demonstrated a pressure gradient across the pulmonary valve of 20 mmHg with mild pulmonary and tricuspid regurgitations.

Citations

Dec 31, 1997·Catheterization and Cardiovascular Diagnosis·G SibliniI C Balfour
Dec 31, 1997·Catheterization and Cardiovascular Diagnosis·J P Cheatham
Sep 15, 1998·Catheterization and Cardiovascular Diagnosis·I S ParkK Momma
Apr 30, 2002·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Lee N BensonAmanda Collison
Aug 22, 2001·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·G JosephG Rajendiran
Jul 3, 2002·Current Treatment Options in Cardiovascular Medicine·P. Syamasundar Rao
Jan 22, 2005·Pediatrics International : Official Journal of the Japan Pediatric Society·Wakako HimenoToyojiro Matsuishi
Mar 25, 2004·Expert Review of Cardiovascular Therapy·Gruschen R VeldtmanLee N Benson
Aug 21, 2003·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Carlos A C PedraValmir F Fontes
Feb 5, 1999·Current Opinion in Cardiology·D P Bichell

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