title: Bacterial characteristics and clinical significance of ureteral double-J stents in children.
abstract: OBJECTIVE
  To determine the incidence of urinary tract infection in those patients that we have used an ureteral double-J stent as internal diversion after urological procedures.
  
  
  METHODS
  We reviewed all the medical records of patients who had a ureteral double-J stent after a urological procedure from August 2007 to May 2013. We have analyzed the following data: age, gender, type of prophylaxis, incidence of urinary tract infection (UTI), days of internal diversion with double-J stent, surgical procedure, bacterial characteristics, bacterial sensibility to antibiotics and UTI treatment.
  
  
  RESULTS
  We have used 73 double-J stents as ureteral internal diversion in 67 patients with a mean age of 44.73±57.23. Surgical procedures were 50 laparoscopic Anderson-Hynes pyeloplasties in 49 patients, and 20 high-pressure balloon dilatation of the ureterovesical junction to treat primary obstructive megaureter in 15 patients; and 3 patients with ureterovesical obstruction after endoscopic treatment of vesicoureteral reflux. Forty three stents showed a bacterial colonization in cultures. Pseudomona aeruginosa was present in 9 (20.9%) stents. Only in 12 stents, bacterial colonization was sensible to antibiotic prophylaxis. Stent colonization was higher in boys and younger patients. Four patients had a febrile UTI. Incidence of UTI in younger patients that underwent HBPD of UVJ is higher.
  
  
  CONCLUSIONS
  Bacterial colonization is frequent in double-J stents but the incidence of UTI is low. Double-J colonization is higher in younger patients. Patients that underwent HPBD have a higher risk of UTI related with ureteral double J stent.
authors: Sección de Urología Pediátrica, Servicio de Cirugía Pediátrica, Hospital Sant Joan de Déu, Universidad de Barcelona, Barcelona, España. Electronic address: lgarcia@hsjdbcn.org.
authors: L
authors: L
authors: García-Aparicio
authors: Hospital Universitario Virgen Macarena, Universidad de Sevilla, Sevilla, España.
authors: E
authors: E
authors: Blázquez-Gómez
authors: Sección de Urología Pediátrica, Servicio de Cirugía Pediátrica, Hospital Sant Joan de Déu, Universidad de Barcelona, Barcelona, España.
authors: O
authors: O
authors: Martin
authors: Servicio de Cirugía Pediátrica, Hospital Sant Joan de Déu, Universidad de Barcelona, Barcelona, España.
authors: L
authors: L
authors: Krauel
authors: Servicio de Cirugía Pediátrica, Hospital Sant Joan de Déu, Universidad de Barcelona, Barcelona, España.
authors: I
authors: I
authors: de Haro
authors: Sección de Urología Pediátrica, Servicio de Cirugía Pediátrica, Hospital Sant Joan de Déu, Universidad de Barcelona, Barcelona, España.
authors: J
authors: J
authors: Rodó
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D011474:Prosthesis Design; D015607:Stents / Q000382:microbiology*; D014513:Ureter; D014547:Urinary Diversion / Q000295:instrumentation; D014552:Urinary Tract Infections / Q000453:epidemiology* / Q000382:microbiology*
keywords: Catéter ureteral; Children; Infección del tracto urinario; Megaureter; Megauréter; Niños; Pieloplastia; Pyeloplasty; Ureteral stent; Urinary tract infection