[Factors of ischemic lesions in the kidney and its resection].

Resection of kidney is an organ-sparing operation finding an increasingly wider application. It is designed to preserve the maximum amount of functionally competent renal parenchyma. However, surgery produces multiple effects on the kidney resulting in ischemic lesions and dysfunction which has serious consequences for the clinical course of the early post-operative period and long-term outcome of the treatment.

[Perforative gastroduodenal ulcers].

Treatment results of 986 patients with perforative gastroduodenal ulcers were analyzed. The sequence of surgeon's acts was diagnostically effective in 99.5%.

[Mechanical jaundice of calculous etiology].

The current rise in the incidence of cholelithiasis is accompanied by an increased frequency of its complicated forms. Mechanical jaundice is a common unfavourable complication of cholelithiasis and choledocholithiasis, its consequence. Epidemiology, etiology, and clinical features of this disease are discussed Classification of mechanical jaundice is proposed Much attention is given to its pathogenetic mechanisms.

[Complicated gastroduodenal ulcers].

The results of the treatment of 2384 patients with gastric and duodenal ulcers are analyzed. It is demonstrated that over last years the number of complications has increased: perforations -- 2.6 fold, and bleedings -- 7 fold.