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Arq. bras. cardiol ; 68(5): 357-362, maio 1997. ilus
Article in Portuguese | LILACS | ID: lil-214045

ABSTRACT

A associaçäo entre estenose pulmonar valvar e persistência do canal arterial näo é freqüente na prática clínica da cardiologia pediátrica. Säo descritos dois casos de portadores dessa associaçäo, tratados simultaneamente, em um mesmo procedimento, através do cateterismo intervencionista: 1§ caso, criança de 14 meses submetida a valvoplastia pulmonar percutânea com queda no gradiente sistólico entre a artéria pulmonar e o ventrículo direito de 71 para 3mmHg. O canal arterial, de 2,0mm de diâmetro e do tipo cônico foi ocluído com um coil 38-5-5; 2§ caso, criança de 20 meses submetida a valvoplastia pulmonar percutânea com queda no gradiente sistólico entre a artéria pulmonar e o ventrículo direito de 60 para 5mmHg. Tentativa de oclusäo do canal, de 3,5mm de diâmetro e do tipo cônico, utilizando-se coil foi realizada sem sucesso devido a embolizaçäo para a artéria pulmonar. O dispositivo foi imediatamente resgatado e uma umbrella de 12mm foi implantada com sucesso. Discute-se a indicaçäo de tratamento das condiçöes, aspectos técnicos e complicaçöes relativas ao procedimento e seguimento dos pacientes.


The association of pulmonary valve stenosis and patent ductus arteriosus is uncommonly found in clinical practice of pediatric cardiology. The authors describe 2 patients with this association that were successfully treated in the same procedure by interventional cardiology: first case, a 14 month old boy was submitted to percutaneous pulmonary valvoplasty with reduction of systolic gradient between pulmonary artery and right ventricle from 71 to 3 mmHg. The 2.0 mm of diameter and conical shape duct was successfully occluded using a 38- 5-5 coil; second case, a 20 month old girl was submitted to percutaneous pulmonary valvoplasty with reduction of systolic gradient between pulmonary artery and right ventricle from 60 to 5 mmHg. An attempt to close the 3.5 mm of diameter and conical shape duct using coil was performed, but the device embolized into the pulmonary artery. After immediate retrieval, a 12 mm Rashkind umbrella was implanted. Indication of treatment of both conditions, technical aspects and complications related to the procedures, and patients follow up are also discussed


Subject(s)
Humans , Infant , Pulmonary Valve Stenosis/therapy , Ductus Arteriosus, Patent/therapy , Cardiac Catheterization , Pulmonary Valve Stenosis/complications , Ductus Arteriosus, Patent/complications
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