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Laser or radiofrequency pulmonary valvotomy in neonates with pulmonary atresia and intact ventricular septum—description of a new method avoiding arterial catheterization

  • Andrew N. Redington (a1), Seamus Cullen (a1) and Michael L. Rigby (a1)

Summary

We describe a new method of transvenous laser or radiofrequency perforation of the pulmonary valve with subsequent balloon pulmonary valvoplasty. The technique obviates the need for arterial catheterisation and considerably shortens the time needed for the procedure. Uncomplicated and successful relief of pulmonary valvar atresia was achieved in both patients attempted, although one ultimately required a Blalock-Taussig shunt because of increasing muscular obstruction of the right ventricular outflow tract.

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Corresponding author

Dr Andrew Redington, Consultant Paediatric Cardiologist, Royal Brompton National Heart & Lung Hospital, Sydney Street, London SW3 6NP, U.K.

References

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1.Coles, JC, Freedom, RM, Lightfoot, NE. Long-term results in neonates with pulmonary atresia and intact ventricular septum. Ann Thorac Surg 1989; 47: 213217.
2.Qureshi, SA, Rosenthal, E, Tynan, M, Anjos, R, Baker, EJ. Transcatheter laser-assisted balloon pulmonary valve dilatation in pulmonic valve atresia. Am J Cardiol 1991; 67: 428431.
3.Rosenthal, E, Chan, KC, Skehan, DJ. Radiofrequency-assisted balloon valvotomy for pulmonary valve atresia. Am J Cardiol 1992. [In press]
4.Parsons, JM, Rees, MR, Gibbs, JL. Percutaneous laser valvotomy with balloon dilatation of the pulmonary valve as primary treatment for pulmonary atresia. Br Heart J 1991; 66: 3638.

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