Biomedical subjects
Publications and source records attributed to M Rampal.
Surgical techniques using right to left (or left to right) prostatocystectomy are described, although a first-stage posterior approach is used. This procedure, applied for cases treated over the last 2 years, can be completed in approximately one hour and under only slightly hemorrhagic conditions.
The parathyroid glands may be located anywhere and hidden in the thick thyroid gland sheath, so that the duration of parathyroidectomy is impossible to predict. For accurate and rapid identification and assessment of the nodule to be dissected, the authors advocate a two-finger method: one index finger palpates the whole length of the posteromedial segment of the thyroid sheath, while the other index finger penetrates into the thyroid cavity. Fourteen parathyroid adenomas and 39/40 hypertrophied glands were detected by this method. Results were negative in 12 cases with unconfirmed biological diagnosis of hyperparathyroidism.
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Anti-HLA immunisation has been studied in 130 patients treated by haemodialysis between 1969 and 1978. Until 1977 blood transfusions were restricted (number of transfusions per patient averaged 3.42 units). However 50% of the patients were found to be immunised. The frequency of immunisation was higher in women patients (63%) than in men (39.7%). This difference shows a good correlation with the frequency of pregnancies (r = 0.849). The percentage of immunisation increases in parallel with the number of months of dialysis (r = 0.95). The capacity to eliminate HBS Ag seems to be related to the capacity for anti-HLA immunisation: 64% of the patients transiently positive for HBS antigen develop anti-HLA antibodies and only 26.7% when antigenaemia is persistent. Since 1977, 24 patients have been transfused with two units of whole blood once a week for three weeks, every six months. Antibodies appeared in only seven of them who had been transfused some years ago. The GLA system and transplantation play a small part. The age and the type of nephropathy seem to have no effect. A few patients developed antibodies for no apparent reason. Possibly bacterial or viral infections, or venous allografts were responsible.
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