[Videodensitometric, angiocardiographic and hemodynamic examinations in corrected tetralogy of fallot].
In 38 children with typical tetralogy of Fallot recatheterization was performed 15 days to 410/12 years after correction. Their age ranged from 47/12 to 181/12 years and their weigh? 14;8 TO 54.4 KG. The biplane angiocardiograms were especially evaluated with respect to thcy to decrease from intraoperative to postoperative values. We did not find a parameter, determined during the operation, which can predict with certainty the operative result, found at the time of recatheterization. The peak pressure ration PRV/PLV seems to be most suitable but in an individual case one cannot rely on it. A diastolic murmur was heart postoperatively in 25 children, 9 of whom had a regurgitation index greater than 10%. In all 38 patients an infundibulectomy was performed, which in every case resulted in a disturbance of the contraction pattern (asynergy) of the right ventricular outflow tract. In the area of the ostium infundibuli small aneurysms were demonstrated in 50% of the cases. They were divided according to their angiographic appearance, the type of asynergy and their visibility on the two standard x-ray projections. In 11 children we observed incompletely resected muscle bundles of the infundibulum. Hemodynamically they were insignificant. Residual muscular infundibular stenoses, causing a pressure gradient, were observed in 8 cases. Aortal indentations of varying degree at the site of cannulation for the extracorporal circulation were present in 91%. In 13 patients an outflow tract reconstruction was necessary. In 8 children the patch was clearly identifiable as such. The necessity of recatheterization after correction of tetralogy of Fallot is discussed.
D000293:Adolescent; D000328:Adult; D000790:Angiocardiography / Q000379:methods; D001794:Blood Pressure; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D002932:Cineangiography / Q000379:methods; D003720:Densitometry; D005260:Female; D005500:Follow-Up Studies; D006343:Heart Septal Defects / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008722:Methods; D011182:Postoperative Care; D011665:Pulmonary Valve Insufficiency / Q000503:physiopathology; D013771:Tetralogy of Fallot / Q000503:physiopathology* / Q000601:surgery; D014743:Videotape Recording
Videodensitometrische, angiokardiographische und hämodynamische Untersuchungen bei korrigierten Fallotschen Tetralogien