title: Effects of single-port laparoscopic percutaneous extraperitoneal closure on the orientation of the vas deferens and testicular perfusion and volume: Experience from a single center.
abstract: OBJECTIVE
  To investigate the influence of single-port laparoscopic percutaneous extraperitoneal closure (LPEC) on the orientation of the vas deferens and testicular perfusion and volume in pediatric patients undergoing inguinal hernia repair.
  
  
  METHODS
  A total of 92 consecutively enrolled boys preoperatively diagnosed with a unilateral inguinal hernia underwent single-port LPEC between June 2013 and June 2014. The orientation of the vas deferens and the testicular perfusion and volume of these patients were ultrasonographically assessed preoperatively, one month after surgery and six months after surgery.
  
  
  RESULTS
  The surgical procedures were performed successfully without conversion or serious perioperative complications. Ultrasonography showed no angulation or distortion of the vas deferens on the surgical side during a six-month follow-up period. Similarly, there were no perioperative changes in testicular perfusion or volume.
  
  
  CONCLUSIONS
  Our experience suggests that the single-port LPEC technique can be safe and effective in pediatric patients with an inguinal hernia and that this technique does not affect the orientation of the vas deferens or testicular perfusion or volume.
authors.affiliation: Department of Urology, The Affiliated Hexian Memorial Hospital of Southern Medical University, Guangzhou, Guangdong, China. Electronic address: super_lican@sina.com.
authors.forename: Canqiang
authors.initials: C
authors.lastname: Li
authors.affiliation: Department of Urology, The Affiliated Hexian Memorial Hospital of Southern Medical University, Guangzhou, Guangdong, China.
authors.forename: Le
authors.initials: L
authors.lastname: Xu
authors.affiliation: Department of Pediatric Surgery, The Affiliated Hexian Memorial Hospital of Southern Medical University, Guangzhou, Guangdong, China.
authors.forename: Yonghui
authors.initials: Y
authors.lastname: Peng
authors.affiliation: Department of Ultrasound Sonography, The Affiliated Hexian Memorial Hospital of Southern Medical University, Guangzhou, Guangdong, China.
authors.forename: Xuankun
authors.initials: X
authors.lastname: Liang
authors.affiliation: Department of Pediatric Surgery, The Affiliated Hexian Memorial Hospital of Southern Medical University, Guangzhou, Guangdong, China.
authors.forename: Weibin
authors.initials: W
authors.lastname: Lin
mesh_terms: D002675:Child, Preschool; D006552:Hernia, Inguinal / Q000601:surgery*; D059685:Herniorrhaphy / Q000379:methods*; D006801:Humans; D007223:Infant; D010535:Laparoscopy / Q000379:methods; D008297:Male; D009929:Organ Size; D010537:Peritoneum; D012039:Regional Blood Flow; D012189:Retrospective Studies; D013737:Testis / Q000033:anatomy & histology* / Q000098:blood supply*; D014463:Ultrasonography; D014649:Vas Deferens / Q000000981:diagnostic imaging*
keywords: Laparoscopic percutaneous extraperitoneal closure; Pediatric inguinal hernia; Single port; Ultrasound sonography; Vas deferens