[Causes and mechanisms of nitrate and nitrite poisoning (review of the literature)].
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Biomedical subjects
Publications and source records attributed to S G Rasputniak.
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The diagnostic possibilities of intravenous digital subtraction angiography (DSA) were evaluated in 2393 patients. The diagnostic value was 97.2%. DSA is contraindicated via the subclavian vein in children, inadequate preparation of the patients, vein abnormalities. The informative value was 92% in vasorenal hypertension, 100% in renal abnormalities, 85% in renal tumours. Intravenous DSA may be a screening method in the diagnosis of hypertension of unclear etiology, abnormalities of the upper urinary tract, while in tumours, especially of small size, DSA is a supplementary method to ultrasound and CT. The method is of economic importance.
Treatment results were studied in 45 patients with vasorenal hypertension complicated by chronic renal in failure after surgical treatment. Transarterial endarterectomy, roentgen endovascular dilatation of the renal arteries, splenorenal arterial anastomosis, renal autotransplantation were used. A hypotensive effect followed in 21 (46.7%), function improvement in 29 (64.4%). Causes of failures: nephrosclerosis due to prolonged hypertension, concomitant diseases of the upper urinary tract, technical complications of the operation.
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