2001
DOI: 10.1590/s0066-782x2001001100008
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New percutaneous techniques for perforating the pulmonary valve in pulmonary atresia with intact ventricular septum

Abstract: Even though pulmonary atresia with intact ventricular septum is an infrequent defect, accounting for less than 1% of congenital heart defects, it is the 3 rd most frequent cyanotic heart defect in the neonatal period 1 . Its morphological spectrum is broad with cases ranging from extremely hypoplastic tricuspid valves and right ventricles to ventricular cavities of almost normal dimensions [2][3][4] . Ebstein's anomaly of the tricuspid valve and extreme ventricular dilation have also been reported, and they ar… Show more

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Cited by 9 publications
(9 citation statements)
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“…The technique has evolved and neonates with critical PVS or PA and IVS could be managed similarly. The application of radiofrequency energy for valvar perforation in selected cases of PA and IVS has been employed with good results 3940. The same technology has also been used for vessel recanalisation or trans-septal access to the left atrium in infants 4142.…”
Section: Outcomes After Medical Surgical or Interventional Treatmentmentioning
confidence: 99%
“…The technique has evolved and neonates with critical PVS or PA and IVS could be managed similarly. The application of radiofrequency energy for valvar perforation in selected cases of PA and IVS has been employed with good results 3940. The same technology has also been used for vessel recanalisation or trans-septal access to the left atrium in infants 4142.…”
Section: Outcomes After Medical Surgical or Interventional Treatmentmentioning
confidence: 99%
“…In our case, some modifications were required because of the underlying anatomy and limited vascular access. Also, due to some of the advantageous features of the Baylis Medical RF system [4], the procedure could be completed in a relatively straightforward manner. In our case, perforation was not performed in a blind fashion.…”
Section: Discussionmentioning
confidence: 99%
“…In addition, the low-profile and flexible Nykanen RF perforation catheter did not distort the Judkins catheter course. The amount of energy and time used for vessel perforation was determined arbitrarily, being a little more than that previously used for pulmonary valve perforation [4].…”
Section: Discussionmentioning
confidence: 99%
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“…In the absence of a right ventricular–dependent coronary circulation, decompression of the right ventricle is a component of a treatment algorithm, which attempts to salvage the right heart as a component of a biventricular or so‐called one‐and‐a‐half ventricular repair [36]. An alternative to primary surgical decompression strategies is the use of percutaneous laser or RF‐assisted perforation of the atretic valve and subsequent balloon dilation [5–9, 17, 19– 26, 28, 29, 37–53].…”
Section: Clinical Applications and Outcomesmentioning
confidence: 99%