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Results for “PULMONARY VALVE STENOSIS”

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PubMed1976

[Aortopulmonary fistula with interventricular defect and pulmonary valve stenosis in a 15-year-old girl. Surgical correction].

A young girl of 15 with an aorto-pulmonary fistula was treated surgically, with a successful outcome. The clinical diagnosis could only be established at right-sided catheterisation, and especially at retrograde per-arterial aortography. The small size of the fistula explains the low level of the pulmonary arterial hypertension, and the way in which the condition was well-tolerated for some time. The association of this lesion with ventricular septal defect and pulmonary stenosis is extremely rare.

Adolescent↗
PubMed1977

[Myocardial function in patients with congenital pulmonary valve stenosis].

The studies of metabolism and morphology of the myocardium, and of ECG parameters in 72 patients with valvular pulmonary stenosis conducted with biopsy and autopsy material has demonstrated that while the workload on the right ventricle grows and the severity of the pathological process increases, the oxidative capacity of the myocardium also increase, the indices of its energy supply decrease, the degree of myocytes hypertrophy grows, and the number of mitochondria and the coefficient of their energy efficacy decrease. A correlation was established between the degree of these changes and the severity of electrocardiographic signs of hypertrophy and disorders in the repolarization process in the right ventricle.

Adenine Nucleotides↗
PubMed1979

Critical pulmonary valve stenosis with intact ventricular septum.

This study presents our experience in the surgical management of the newborn with critical pulmonary stenosis and intact ventricular septum. During the last decade we have seen 11 such patients, with a mean age of 2.3 days (maximum 6 days) and a mean weight of 3.6 kilograms (maximum 4.5 kilograms). The primary operation was a valvotomy in 7 patients (one of whom also had a systemic-pulmonary shunt), a commissurotomy with cardiopulmonary bypass in 3 patients, and a shunt alone in 1 patient. One infant died on the second postoperative day and another died following reoperation at 4 months. The other 9 patients were all alive and progressing satisfactorily when last seen. Five of these patients were beyond their third postoperative year and the longest survivor was at 7.9 years. Four of the long-term survivors had undergone reoperation. Our choice of operation remains transventricular valvotomy, although an open procedure utilizing cardiopulmonary bypass presents an attractive alternative. A systemic-pulmonary shunt as an addition to either of these operations is unnecessary. The perioperative use of prostaglandin E brings about substantial improvement in the early results.

Age Factors↗