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A prospective randomized study of loop-tip versus straight-tip guidewire in wire-guided biliary cannulation

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dc.contributor.authorHwang, JC-
dc.contributor.authorYoo, BM-
dc.contributor.authorYang, MJ-
dc.contributor.authorLee, YK-
dc.contributor.authorLee, JY-
dc.contributor.authorLim, K-
dc.contributor.authorNoh, CK-
dc.contributor.authorCho, HJ-
dc.contributor.authorKim, SS-
dc.contributor.authorKim, JH-
dc.date.accessioned2019-11-13T04:26:58Z-
dc.date.available2019-11-13T04:26:58Z-
dc.date.issued2018-
dc.identifier.issn0930-2794-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/17509-
dc.description.abstractBACKGROUND: Wire-guided cannulation has been widely accepted as a useful technique for achieving selective biliary access because it has significantly increased the success rate of biliary cannulation compared with conventional contrast-assisted cannulation. Unlike conventional guidewires with a straight tip, a loop-tip guidewire (LGW) has a closed distal loop that may facilitate less traumatic access through the epithelial folds of the intra-duodenal biliary segments. The aim of this study was to compare the performance of a LGW with a straight-tip guidewire (SGW) in achieving successful selective biliary cannulation.
METHODS: From December 2014 to December 2015, we performed 192 wire-guided biliary cannulations for a naive papilla in a randomized controlled trial. Patients were randomly assigned to the LGW group (n = 96) or the SGW group (n = 96). Our study protocol did not include crossover to the other guidewire arm if randomized wire-guided cannulation proved unsuccessful within the first 10 min.
RESULTS: There was no significant difference in primary successful biliary cannulation between the two groups (LGW group: 86.5%: SGW group: 77.1%: p = 0.134). The rate and the mean number of unintentional pancreatic duct cannulations during wire-guided biliary cannulation were significantly lower in the LGW group than in the SGW group (LGW group: 14.6%: SGW group: 28.1%: p = 0.034: LGW group: 0.2 +/- 0.5: SGW group: 0.6 +/- 1.3: p = 0.007). Post-ERCP pancreatitis developed in 5.2% of patients in the LGW group and 8.3% of patients in the SGW group (p = 0.567).
CONCLUSIONS: The biliary cannulation rate of the LGW was not significantly different from those of conventional guidewires. Use of the LGW was associated with a lower rate of unintentional pancreatic duct cannulation during wire-guided biliary cannulation than use of the SGW.
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dc.language.isoen-
dc.titleA prospective randomized study of loop-tip versus straight-tip guidewire in wire-guided biliary cannulation-
dc.typeArticle-
dc.identifier.pmid28916891-
dc.subject.keywordBile ducts-
dc.subject.keywordCannulation-
dc.subject.keywordERCP-
dc.subject.keywordPancreatic ducts-
dc.subject.keywordPancreatitis-
dc.contributor.affiliatedAuthor황, 재철-
dc.contributor.affiliatedAuthor유, 병무-
dc.contributor.affiliatedAuthor양, 민재-
dc.contributor.affiliatedAuthor노, 충균-
dc.contributor.affiliatedAuthor조, 효정-
dc.contributor.affiliatedAuthor김, 순선-
dc.contributor.affiliatedAuthor김, 진홍-
dc.type.localJournal Papers-
dc.identifier.doi10.1007/s00464-017-5851-z-
dc.citation.titleSurgical endoscopy-
dc.citation.volume32-
dc.citation.number4-
dc.citation.date2018-
dc.citation.startPage1708-
dc.citation.endPage1713-
dc.identifier.bibliographicCitationSurgical endoscopy, 32(4). : 1708-1713, 2018-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.identifier.eissn1432-2218-
dc.relation.journalidJ009302794-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Gastroenterology
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