Pulmonary valve stenosis

1. Patients with pulmonary valve stenosis who have obvious symptoms and who have a contraction pressure difference between the right ventricle and the pulmonary artery above 5.3 kpa (40 mmhg) should undergo surgery. Surgery should be done early, preschool age is appropriate. 2. In some patients, the clinical symptoms are not obvious, but the ECG shows right ventricular hypertrophy and strain, surgery should be considered. 3. If the pressure step is less than 5.3kpa or the right ventricular pressure is lower than 6.6kpa (50mmhg), the clinical symptoms are asymptomatic, and the ECG and x-ray show no obvious changes in the right ventricle. Generally speaking, surgery is not required, and regular follow-up review should be performed. In view of the poor natural prognosis of the disease and the high safety of surgery in recent years, the current indications for surgical treatment have tended to relax. 4. Severe pulmonary artery stenosis, patients with obvious cyanosis in the peripheral circulation, and even coma. Urinary surgery and infusion can be used when the treatment is not effective.

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