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One-step, simultaneous double-wire technique facilitates pancreatic pseudocyst and abscess drainage (with videos).

Abstract：

BACKGROUND:EUS-guided pancreatic pseudocyst and abscess drainage ideally requires the insertion of both a transmural stent and nasocystic catheter to ensure continuous irrigation and effective drainage. Sequential stent and nasocystic catheter insertion may be time consuming because of the difficulty in recannulating the pseudocyst after the initial stent placement. OBJECTIVE:Our purpose was to describe a novel one-step simultaneous double-wire technique that facilitates effective pancreatic pseudocyst and abscess drainage. DESIGN:To solve the problem of recannulating the pseudocyst cavity after the initial transmural stent placement, we developed a prototype 3-layer puncture kit that allows the simultaneous insertion of 2 guidewires at the initial puncture in one step. This puncture kit consists of a 22-gauge needle used for FNA, a 6F inner polytetrafluoroethylene (Teflon) catheter, and an outer 8.5F Teflon catheter. SETTING:Tertiary referral center. PATIENTS:Eight consecutive patients were treated. INTERVENTIONS:With use of a therapeutic linear echoendoscope and the assembled kit with the needle protruding out distally, the pseudocyst cavity was punctured by using electrocautery. The needle and the inner catheter were then withdrawn, leaving the outer catheter within the cavity. The size of this outer catheter permitted the simultaneous insertion of two 0.035-inch guidewires. Sequential insertion of a transmural stent and nasocystic catheter was then performed without a need for recannulation of the pseudocyst or abscess cavity. MAIN OUTCOME MEASUREMENTS:Successful endoscopic drainage. RESULTS:All patients were successfully treated without complications. Mean procedural time was 32.5 minutes (range 25-45 minutes). CONCLUSIONS:With this novel technique, establishing an irrigation system for the treatment of pancreatic pseudocysts and abscesses becomes easier, faster, and safer.

journal_name

Gastrointest Endosc

journal_title

Gastrointestinal endoscopy

authors

Seewald S,Thonke F,Ang TL,Omar S,Seitz U,Groth S,Zhong Y,Yekebas E,Izbicki J,Soehendra N

doi

10.1016/j.gie.2006.07.049

subject

Has Abstract

pub_date

2006-11-01 00:00:00

pages

805-8

issue

eissn

0016-5107

issn

1097-6779

pii

S0016-5107(06)02554-5

journal_volume

pub_type

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One-step, simultaneous double-wire technique facilitates pancreatic pseudocyst and abscess drainage (with videos).