[The role of nitric oxide in fertility disorders in men].

The aim of the study was investigation of NO influence on fertility properties of ejaculate in the diseases of male sex organs. A total of 73 males aged 20-55 years with different sexual disorders were examined. Potentiometric assay for nitrates in ejaculate, size and shape of spermatosoa were studied.

[Some features of recovery of upper urinary tract urodynamics after surgical treatment of vesicoureteral dysplasia in children].

Urodynamics of the upper urinary tract (UUT) was examined in 327 children aged 1.5 months to 15 years with congenital vesicoureteral reflux (VUR) dysplasia treated surgically. 230 patients were followed up for 1 to 20 years.

[Immunity status in early postoperative complications in children with anomalies of kidneys and upper urinary tract].

31 children aged 1 to 9 years with malformations of the kidneys and upper urinary tracts were preoperatively examined for immune status. After plastic operation 14 children developed early postoperative infectious-inflammatory complications. It is suggested that early postoperative complications in some children with renal and upper urinary tract maldevelopments may arise because of weak compensatory abilities and immunodeficiency resultant from the operative stress.

[Modified technique of ureterocystoneostomy].

The authors describe a technique of ureterocystoneostomy based on the principle suggested by Politano-Leadbetter but using an original set of instruments approved by the patent committee. The technique was applied in the treatment of 12 children aged 11 months to 5 years. The operation was highly effective: it became easier to perform in reduced duration and traumatism.

[A new method for ureterocystoneostomy].

The authors offer a new techniques of ureterocystoneostomy using instrument set patented in the Russian Federation. The set consists of a detachable metal tube and forceps. The tube has a conic end and holds the ureter cut from the bladder.