Single-knot running suture anastomosis (one-knot pyeloplasty) for laparoscopic dismembered pyeloplasty: Training model on a porcine bladder and clinical results

Dogu Teber, Selcuk Guven, Ozgur Yaycioglu, Ozgur Ugurlu, Oner Sanli, Ali Serdar Gozen, Jens Rassweiler

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Objectives: The one-knot running ureteropelvic anastomosis is a modification of the single-knot running suture that was previously described for urethrovesical anastomosis. In this study, we present a novel porcine model for laparoscopic pyeloplasty training and report the results obtained in patients who underwent one-knot pyeloplasty. Materials and methods: A porcine bladder was used for the ureteropelvic junction simulation in this training model. The laparoscopic one-knot pyeloplasty technique was attempted by five laparoscopic surgeons using this model, and the technique was then incorporated into clinical practice. The data of all patients who underwent this procedure between January 2006 and February 2008 were evaluated. Results: The one-knot pyeloplasty technique was easily applied in a short time by laparoscopic surgeons in a novel porcine pyeloplasty model. The participants successfully performed a watertight anastomosis in the porcine bladder model, completing the task in <30 min by the fifth attempt. The time required to succeed before and after training decreased by 20.8% (P = 0.01). In the clinical portion, 40 laparoscopic pyeloplasty procedures were performed with this technique, and the mean time to complete the anastomosis was 27.1 min (range: 12-41). This time was concordant with the final anastomosis time performed in the pelvitrainer. Conclusions: The one-knot pyeloplasty is feasible and reproducible, and it overcomes the obstacles caused by multiple intracorporeal knots when performing laparoscopic pyeloplasty. Furthermore, the porcine bladder model that we introduce herein is a readily available and simple model to refine suturing techniques for pyeloplasty.

Original languageEnglish (US)
Pages (from-to)609-614
Number of pages6
JournalInternational Urology and Nephrology
Volume42
Issue number3
DOIs
StatePublished - Sep 1 2010

Keywords

  • Laparoscopic pyeloplasty
  • Porcine
  • Pyeloplasty model
  • Running suture anastomosis
  • Training model

ASJC Scopus subject areas

  • Nephrology
  • Urology

Fingerprint Dive into the research topics of 'Single-knot running suture anastomosis (one-knot pyeloplasty) for laparoscopic dismembered pyeloplasty: Training model on a porcine bladder and clinical results'. Together they form a unique fingerprint.

  • Cite this