Safety and efficacy of lumen-apposing metal stents with and without simultaneous double-pigtail plastic stents for draining pancreatic pseudocyst.

Abstract:

BACKGROUND AND AIMS:Lumen-apposing metal stents (LAMSs) are used to perform necrosectomy in walled-off necrosis (WON). Although necrosectomy is not required for pancreatic pseudocyst (PP), an increasing number of PPs are also being drained with LAMSs in view of their ease of deployment. The aim of the present study was to evaluate the safety and efficacy of using LAMSs to drain PPs. METHODS:At 1 tertiary center from January 2014 to May 2016, all consecutive patients with PPs were drained by LAMSs, and the data were retrospectively reviewed. After observing cyst-cavity infection in patients enrolled initially (group I), 10F double-pigtail stents (DPSs) were placed across LAMSs in the subsequent patients (group II). Data on technical success, PP resolution, adverse events, and reintervention rates were collected. RESULTS:Forty-seven patients with PPs (mean size, 9.5 ± 4.0 cm) were enrolled (group I, 24; group II, 23). There was 1 perforation at deployment (technical success, 98%). In the remaining 46 patients, resolution of the PP was observed in 44 patients (96%). Four patients (17%) in group I presented with PP infection requiring reinterventions. Food material was observed in the cyst cavity. None of the patients in group II had PP infection (relative risk, .84; 95% confidence interval, .71-1.0; P = .054). CONCLUSIONS:Similar to WON, LAMSs are also effective in endoscopic drainage of PPs. However, there was a trend toward higher PP infection with LAMSs, and placing a DPS across the LAMS minimized this risk.

journal_name

Gastrointest Endosc

authors

Aburajab M,Smith Z,Khan A,Dua K

doi

10.1016/j.gie.2017.11.033

subject

Has Abstract

pub_date

2018-05-01 00:00:00

pages

1248-1255

issue

5

eissn

0016-5107

issn

1097-6779

pii

S0016-5107(17)32541-5

journal_volume

87

pub_type

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