[The use of neural algorithms when choosing a method of surgical treatment of urolithiasis].

Aim: to assess the possibility of using neural network algorithms in choosing a method for surgical treatment of urolithiasis.

Materials And Methods: treatment results of 625 patients with kidney stones were analyzed in the study. Information about each patient was presented in the form of a multidimensional vector characterized by following preoperative investigations: questionnaires, clinical examination, instrumental and laboratory studies.

[Specific features of the immune status and blebbing of the plasmatic membrane of lymphocytes patients with urolithiasis complicated by the pyelonephritis].

Introduction: According to the epidemiological studies, prevalence of urolithiasis is nearly 10% worldwide. The course of the disease is often complicated by the development of pyelonephritis, the pathogenesis of which is rather multifactorial. Along with urinary tract obstruction, increasing virulence of microorganisms and immune insufficiency in patients also plays a major role.

[Acute uncomplicated cysititis: do we follow the guidelines?].

Introduction: Lower urinary tract infection are a common urologic disease, but a therapy is not always optimal.

Aim: to evaluate the compliance of prescriptions made by urologists in treatment of patients with lower urinary tract infection, in particular with acute uncomplicated cystitis.

Materials And Methods: A specially designed questionnaire was filled out by 161 urologists from Novosibirsk, Barnaul and Krasnoyarsk, as well as participants of VII Congress of urologists of Siberia.

[Troyakov. Experience in using hytolysin in the integrated management of urinary tract infections and methapylactics of nephrolithiasis].

Relevance: Urinary tract infection (UTI) are a risk factor for diseases leading to impairment of renal function and kidney stone disease (KSD). Growing resistance of uropathogens to antibacterial agents is a challenging issue in most countries of the world. Urolithiasis is the second most prevalent urologic condition following urinary tract infections and has a pronounced tendency to recur.

[The study of effectiveness of polyhydroxyalkanoates based biodegradable stents in ureteropelvic segment pyeloplasty].

Introduction: Among urologic diseases, ureteropelvic segment stenosis with hydronephrosis is a common indication for instrumental or surgical correction. The restriction of urine flow with dilatation proximal to obstruction develops in 6.5-37% of cases at different times after the ureteral reconstruction.