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Biomedical subjects

Y Sohma

Publications and source records attributed to Y Sohma.

47 records · Page 3Linked to original sources
PubMed1978

Surgical treatment of the aortic aneurysm.

For 93 cases of thoracic and 118 cases of abdominal aneurysms, the over-all operative mortality rate was 24.7 per cent and 9.3 per cent, respectively. Although the over-all operative mortality rate for 37 patients with aneurysms of the ascending aorta or aortic arch had been 40.5 per cent, recent advances in surgical technique led to a higher survival rate so that since 1975 no death occurred among 14 consecutive surgery cases. Cardiopulmonary bypass with or without selective perfusion of the carotid arteries or temporary external bypass procedures were employed in these 14 cases. The over-all operative mortality rate for 56 patients with aneurysms of the descending thoracic aorta was 14.3 per cent. Temporary external bypass procedures were employed in 49 cases. The operative mortality rate for 99 patients with unruptured abdominal aneurysms was five per cent, and that for 19 patients with ruptured aneurysms was 31.5 per cent.

Adolescent↗
PubMedDate not supplied

Surgical indication and results in ventricular septal defect associated with severe pulmonary hypertension.

Sixty-four patients with large ventricular septal defects and severe pulmonary hypertension form the basis of this report. Prior to the end of 1970, 35 patients with a ratio of pulmonary to systemic artery pressure (pp/ps) of 0.8 or more were subjected to primary closure of the defect, resulting in 11 operative deaths Since the beginning of 1971, until March, 1974, however, the surgical results have markedly improved and 29 such patients were operated on without death. It has been our principle to perform elective closure of the defect at the age of 1 to 3 years. An earlier operation was planned when a decrease in the apical diastolic rumble and the size of the enlarged left ventricle on the chest x-ray were found on the periodical observation since infancey. If cardiac failure could not be controlled with medical treatment, primary closure of the defect has been performed even under one year of age.

Adolescent↗