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Background/aims: This study aimed to compare the safety of the double-guidewire technique (DGT) with that of the conventional single-guidewire technique (SGT) in real-world situations.
Methods: A total of 240 patients with naïve papilla who underwent endoscopic retrograde cholangiopancreatography (ERCP) at Daegu Catholic University Medical Center between January 2021 and December 2021 were included. The primary outcome was the rate of post-ERCP pancreatitis (PEP) in the SGT and DGT groups.
Results: A total of 163 patients (67.9%) belonged to the SGT group, and 77 (32.1%) belonged to the DGT group. The rates of successful biliary cannulation were 95.7% and 83.1% in the SGT and DGT groups, respectively (p=0.002). In the study group, PEP occurred in 14 patients (5.8%). The PEP rates were not significantly different between the SGT and DGT groups (4.3% vs. 9.1%, p=0.150). In the multivariate analysis, the age of <50 years (odds ratio [OR], 9.305; 95% confidence interval [CI], 1.367-63.358; p=0.023) and hyperlipidemia (OR, 7.384; 95% CI, 1.103-49.424; p=0.039) were significant risk factors for PEP in the DGT group.
Conclusion: DGT did not increase the PEP rate in patients with naïve papilla. In addition, the age of <50 years and hyperlipidemia were significant risk factors for PEP in the DGT group.
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http://dx.doi.org/10.5946/ce.2023.128 | DOI Listing |
Clin Endosc
March 2024
Department of Internal Medicine, Daegu Catholic University School of Medicine, Daegu, Korea.
Background/aims: This study aimed to compare the safety of the double-guidewire technique (DGT) with that of the conventional single-guidewire technique (SGT) in real-world situations.
Methods: A total of 240 patients with naïve papilla who underwent endoscopic retrograde cholangiopancreatography (ERCP) at Daegu Catholic University Medical Center between January 2021 and December 2021 were included. The primary outcome was the rate of post-ERCP pancreatitis (PEP) in the SGT and DGT groups.
Dig Endosc
May 2014
Department of Gastroenterology, Sendai City Medical Center, Sendai, Japan.
Background And Aim: Although biliary cannulation with pancreatic guidewire placement (P-GW) is useful for difficult cases in endoscopic retrograde cholangiopancreatography (ERCP), the clinical significance of wire-guided cannulation with P-GW (double-guidewire technique: DGT) has not been clarified. The aim of the present study was to evaluate the usefulness of DGT for difficult biliary cannulation after unsuccessful biliary cannulation using a cannula/sphincterotome under guidance of injected contrast with P-GW (single-guidewire technique: SGT).
Methods: One-hundred and forty-six patients with difficult biliary cannulation who underwent SGT were included in this retrospective study.
World J Gastroenterol
April 2011
Gastroenterology Unit, Hellenic Anticancer Institute Saint Savvas Hospital of Athens, 171 Alexandras Avenue, GR 11522, Greece.
Aim: To investigate the technical success and clinical complication rate of a cannulated pancreatic duct with guidewire for biliary access.
Methods: During a five-year study period, a total of 2843 patients were included in this retrospective analysis. Initial biliary cannulation method consisted of single-guidewire technique (SGT) for up to 5 attempts, followed by double-guidewire technique (DGT) when repeated unintentional pancreatic duct cannulation had taken place.
Biomaterials
March 2011
Department of Biological Sciences, The Graduate School of Nanoscience and Technology, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Republic of Korea.
Simultaneous silencing of multiple up-regulated genes is an attractive and viable strategy to treat many incurable diseases including cancer. Herein we report that multimerized siRNA conjugate composed of two different siRNA sequences in the same backbone shows more efficient inhibition of the two corresponding target genes at one time than physically mixed multimerized siRNA conjugates. Two model siRNAs against VEGF and GFP gene were chemically crosslinked via cleavable and noncleavable linkages for the preparation of dual gene targeted multimeric siRNA conjugates (DGT multi-siRNA).
View Article and Find Full Text PDFJ Biomol Struct Dyn
February 2001
Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow.
Oligonucleotides 3'-d(GTGTGTGTGG)-L-d(GGTGTGTGTG)-3' (hp-GT) and 3'-d(G4STG4TG4STG4STGG)-L-d(GGTGTGTGTG)-3' (hp-SGT), (L=(CH2CH2O)3), were shown by use of several optical techniques to form a novel parallel-stranded (ps) intramolecular double helix with purine-purine and pyrimidine-pyrimidine base pairing. The rotational relaxation time of hp-GT was similar to that of a 10-bp reference duplex, and the fraction of unpaired bases was determined to be approximately 7%, testifying to the formation of an intramolecular double helical hairpin by the sequence under the given experimental conditions. A quasi-two-state mode of ps-double helix formation was validated, yielding a helix-coil transition enthalpy of -135 +/- 5 kJ/mol.
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