Ureteral duplication is an abnormality of the urogenital tract, which may be presented in about 0,8% of the population. However, in some cases, a complete doubling of the collective system is combined with such defects as megaureter, ureterocele, vesicoureteral reflux, urinary incontinence, and others. Currently, there are several treatment options for children with urological pathology in the doubling of the kidneys. Depending on the type of pathology and the functional state of the affected segment, this can be both organ-bearing operations (heminephrouretherectomy), and reconstructive plastic interventions - ureterocystoneoimplantation of the one ureter or both ureters by a “single unit”, as well as the formation of inter-uterine anastomoses. In recent years, there was appeared the possibility to use endovideosurgical technologies for the reconstruction of the urinary tract. The article presents the experience of using laparoscopic reimplantation of the ureter in the correction of various variants of defects in doubling the upper urinary tract in children. But on the other hand, complete ureteral duplication can be detected in the association with ureter hydronephrosis, ureterocele, and ectopic ureters. Another common disease, which can coexist with duplication is vesicoureteral reflux (VUR).

Introduction. Currently, the day-care hospital service is being developed because of the need to improve medical, social and economic efficiency of medical institutions, and by a high demand in this type of medical care. However, there are only few publications on hospital-substituting technologies in pediatric surgery in the domestic literature. In addition, the problem of laparoscopic surgeries in children in a short stay hospital unit is still a controversial issue. Purpose. To evaluate the effectiveness of a short stay surgical department as a structural unit in a multidisciplinary pediatric hospital. Material and methods. The researchers have analyzed the effectiveness of a short-stay hospital surgical unit in the Morozov Children’s Clinical Hospital. The pediatric short stay surgical unit, being a structural subdivision of a multidisciplinary hospital, provides medical care for children in the following profiles: “Pediatric surgery”, “Pediatric urology and andrology”, “Traumatology and orthopedics”, “Ophthalmology”, “Otorhinolaryngology”, “Maxillofacial surgery” and “Gynecology”. Results. From February 2017 till May 2019, 7128 surgical interventions were performed in this unit; 1371 of them were laparoscopic ones for inguinal hernias, varicocele, non-palpable testicular syndrome. In the hospital, a unique anesthetic algorithm for laparoscopic surgeries with a double luminal laryngeal mask and without muscular relaxants and narcotic analgesics was developed. The length of stay of patients in this unit is 6-8 hours, in the average. During the abovementioned 3-year period, only one patient was transferred to a 24-hour hospital. There were no surgical complications. Conclusion. The short-stay surgical unit in the Morozov Children’s Clinical Hospital has radically improved the availability of medical care for children; in addition, more surgical beds for hi-tech medical care are free and available now. Laparoscopic surgeries can be performed in this unit, instead of being performed in the round-clock surgical departments, due to the algorithm of safe anesthesia for planned surgical interventions which had been developed in the short-stay hospital surgical unit.

Introduction. One-day surgery in pediatrics is the most preferred form of elective surgical care for children. However, today issues of laparoscopic surgical interventions in children in a one-day hospital unit remain debatable, since these interventions often require tracheal intubation which increases risks of anesthetic complications at early postoperative period.Material and methods. From 2017 to 2021, 2401 laparoscopic interventions were performed on patients with varicocele, inguinal hernia and non-palpable testicular syndrome in the short-stay department of Morozovskaya Children’s City Clinical Hospital. Average age of patients was 7 years (range 1–18 years). 910 laparoscopic herniorrhaphies, 1412 laparoscopic testicular vein ligations and 79 diagnostic laparoscopies were performed. The department has developed a unique algorithm of anesthesia for laparoscopic surgeries in children in a short-stay unit.Results. There were no anesthesia-related complications or other intraoperative complications. Restoration of independent motor activity in patients is registered in 1.5–2 hours after surgery. Average length of stay in the department is 7.1 hours (6–8 hours).Conclusion. Thus, currently, modern high-tech laparoscopic surgeries are carried out in short-stay surgical departments, while previously they were performed only in round-clock surgical departments. The researchers could achieve such successful results because of an original algorithm of safe anesthesia which has been developed in the department. This anesthetic support is highly effective for laparoscopic interventions in children with elective surgical pathologies in a short-stay hospital.

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