title: Transpelvic anastomotic stenting: a good option for diversion after pyeloplasty in children.
abstract: OBJECTIVE
  Several options are available to drain the renal pelvis after a dysmembered pyeloplasty. The purpose of our study was to review the results of transrenal pelvic transanastomotic stenting following ureteropelvic junction obstruction pyeloplasty (UPJO).
  
  
  METHODS
  A retrospective chart review of 238 patients with UPJO (243 renal units) treated in 2004-2007. The patients were divided into 4 groups (1): renal units with very poor function (<10% uptake) having undergone nephrostomy tube placement, with pyeloplasty performed 1 month later for those with improved renal function, and nephrectomy for those with no improvement (2); pyeloplasty without diversion (3); pyeloplasty diverted with transrenal pelvis transanastomotic stenting (4); pyeloplasties diverted with both stents and Foley catheters; the stents used were 5 Fr or 6 Fr feeding tubes.
  
  
  RESULTS
  Group 1: 13 nephrectomies and 31 pyeloplasties diverted with stents and Foley catheters; 1/31 re-do pyeloplasty. Group 2: 33 pyeloplasties that were performed without diversion or stenting; 2/33 required re-do pyeloplasty. Group 3: 122 pyeloplasties diverted with only stents inserted through renal pelvis with 1 nephrostomy due to urine leakage, 2 prolonged urine leaks that ceased spontaneously, 1 urinary infection, no re-do pyeloplasty needed. Group 4: 44 pyeloplasties that were performed with stents and nephrostomy tubes, 2 delays of removal of Foley catheters, no re-do pyeloplasty needed.
  
  
  CONCLUSIONS
  Transrenal pelvis transanastomotic stenting using a feeding tube is a good option for diverting urine following dysmembered pyeloplasty in children.
authors.affiliation: Department of Pediatric Surgery, University of Medicine and Pharmacy, 217 Hong Bang St., District 5, Ho Chi Minh City, Viet Nam. letanson54@yahoo.com
authors.forename: Tan Son
authors.initials: TS
authors.lastname: Le
authors.forename: Cong Thang
authors.initials: CT
authors.lastname: Le
authors.forename: Thanh Hung
authors.initials: TH
authors.lastname: Le
authors.forename: Thi Dan Tram
authors.initials: TD
authors.lastname: Nguyen
authors.forename: Cao Nhan
authors.initials: CN
authors.lastname: Huynh
authors.forename: Thi Truc Linh
authors.initials: TT
authors.lastname: Nguyen
mesh_terms: D000714:Anastomosis, Surgical; D004750:Enteral Nutrition; D006801:Humans; D007682:Kidney Pelvis / Q000601:surgery*; D010535:Laparoscopy; D012189:Retrospective Studies; D015607:Stents; D016896:Treatment Outcome; D014517:Ureteral Obstruction / Q000601:surgery*; D014547:Urinary Diversion / Q000379:methods*