Journal of Gastrointestinal Surgery

, Volume 16, Issue 2, pp 248–257 | Cite as

Dual Modality Drainage for Symptomatic Walled-Off Pancreatic Necrosis Reduces Length of Hospitalization, Radiological Procedures, and Number of Endoscopies Compared to Standard Percutaneous Drainage

  • Michael GluckEmail author
  • Andrew Ross
  • Shayan Irani
  • Otto Lin
  • S. Ian Gan
  • Mehran Fotoohi
  • Ellen Hauptmann
  • Robert Crane
  • Justin Siegal
  • David H. Robinson
  • L. W. Traverso
  • Richard A Kozarek
2011 SSAT Plenary Presentation



Symptomatic walled-off pancreatic necrosis (WOPN) treated with dual modality endoscopic and percutaneous drainage (DMD) has been shown to decrease length of hospitalization (LOH) and use of radiological resources in comparison to standard percutaneous drainage (SPD).


The aim of this study is to demonstrate that as the cohort of DMD and SPD patients expand, the original conclusions are durable.


The database of patients receiving treatment for WOPN between January 2006 and April 2011 was analyzed retrospectively.


One hundred two patients with symptomatic WOPN who had no previous drainage procedures were evaluated: 49 with DMD and 46 with SPD; 7 were excluded due to a salvage procedure.


Patient characteristics including age, sex, etiology of pancreatitis, and severity of disease based on computed tomographic severity index were indistinguishable between the two cohorts. The DMD cohort had shorter LOH, time until removal of percutaneous drains, fewer CT scans, drain studies, and endoscopic retrograde cholangiopancreatography (ERCPs; p < 0.05 for all). There were 12 identifiable complications during DMD, which were successfully treated without the need for surgery. The 30-day mortality in DMD was 4% (one multi-system organ failure and one out of the hospital with congestive heart failure). Three patients receiving SPD had surgery, and three (7%) died in the hospital.


DMD for symptomatic WOPN reduces LOH, radiological procedures, and number of ERCPs compared to SPD.


Walled-off pancreatic necrosis WOPN Dual modality drainage Standard percutaneous drainage 


Supplementary material


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Copyright information

© The Society for Surgery of the Alimentary Tract 2011

Authors and Affiliations

  • Michael Gluck
    • 1
    Email author
  • Andrew Ross
    • 1
  • Shayan Irani
    • 1
  • Otto Lin
    • 1
  • S. Ian Gan
    • 1
  • Mehran Fotoohi
    • 2
  • Ellen Hauptmann
    • 2
  • Robert Crane
    • 2
  • Justin Siegal
    • 2
  • David H. Robinson
    • 2
  • L. W. Traverso
    • 3
  • Richard A Kozarek
    • 1
  1. 1.The Digestive Disease Institute, Virginia Mason Medical CenterSeattleUSA
  2. 2.Department of RadiologyVirginia Mason Medical CenterSeattleUSA
  3. 3.Center for Pancreatic Disease, St. Luke’s Health SystemBoiseUSA

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