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Surgical Endoscopy

, Volume 30, Issue 6, pp 2592–2602 | Cite as

Endoscopic necrosectomy of walled-off pancreatic necrosis using a lumen-apposing metal stent and irrigation technique

  • Joan B. GornalsEmail author
  • Claudia F. Consiglieri
  • Juli Busquets
  • Silvia Salord
  • Meritxell de-la-Hera
  • Lluis Secanella
  • Susana Redondo
  • Nuria Pelaez
  • Joan Fabregat
Dynamic Manuscript

Abstract

Background

Endoscopic management of walled-off pancreatic necrosis (WOPN) is an area of great interest with many still unanswered questions, including the role of mechanical necrosectomy versus irrigation. The aim of this study was to evaluate a new method of endoscopic transmural necrosectomy.

Methods

Patients with WOPN after necrotizing pancreatitis, who underwent endoscopic transmural necrosectomy using a lumen-apposing metal stent with vigorous irrigation sessions, were prospectively recruited between September 2011 and August 2014. Initial endoscopic session was performed by EUS-guided drainage and lavage sessions by flushing saline through the stent. Technical and clinical success rates, number of repeat interventions, and adverse events were analyzed.

Results

Twelve patients with 13 WOPN collections (median size 12.4 ± 2.94 cm) underwent endoscopic treatment. Clinical success was achieved in 100 % of cases after a median of three sessions per patient (range 2–8). The median length of hospitalization was 15.9 days. Median procedure time of the access session was 31 ± 10.16 min. No adverse events (AE) were described during the procedures or 24 h after. There were four AE (two infections and two bleedings) between sessions, but only two were severe (16.6 %). There was no need for surgery, and no mortalities occurred. Mean time to stent retrieval was 9 ± 3.4 weeks. Mean follow-up was 13 months with only one recurrence at 12 months after stent removal.

Conclusions

This new variant of irrigation endoscopic transmural necrosectomy without mechanical debridement helps to simplify the technique, is feasible, and has excellent outcomes in WOPN treatment.

Keywords

Endoscopic necrosectomy Necrotizing pancreatitis Transmural drainage Self-expanding metal stent Walled-off pancreatic necrosis 

Notes

Acknowledgments

The authors wish to thank Dr. C Loras, Hospital Universitari Mutua de Terrassa, for critical reading of the manuscript.

Compliance with ethical standards

Disclosures

Drs. Joan B Gornals, Claudia F Consiglieri, Juli Busquets MD, Silvia Salord, Meritxell de-la-Hera, Lluis Secanella, Susana Redondo, Nuria Pelaez, and Joan Fabregat have no conflicts of interest or financial ties to disclose.

Supplementary material

Video: Endoscopic ultrasound-guided necrosectomy of walled-off pancreatic necrosis using a lumen-apposing metal stent, with a cautery-tipped stent delivery system, and irrigation technique (non-mechanical). A double pigtail plastic stent is placed through the AXIOS stent (patient #12) (WMV 21085 kb)

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Joan B. Gornals
    • 1
    Email author
  • Claudia F. Consiglieri
    • 1
  • Juli Busquets
    • 2
  • Silvia Salord
    • 1
  • Meritxell de-la-Hera
    • 1
  • Lluis Secanella
    • 2
  • Susana Redondo
    • 3
  • Nuria Pelaez
    • 2
  • Joan Fabregat
    • 2
  1. 1.Endoscopy Unit, Department of Digestive DiseasesHospital Universitari de Bellvitge-IDIBELL (Bellvitge Biomedical Research Institute)BarcelonaSpain
  2. 2.Department of SurgeryHospital Universitari de Bellvitge-IDIBELLBarcelonaSpain
  3. 3.Department of AnesthesiologyHospital Universitari de Bellvitge-IDIBELLBarcelonaSpain

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