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논문 기본 정보

자료유형
학술저널
저자정보
Masafumi Watanabe (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan) Kosuke Okuwaki (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan) Jun Woo (Departments of Diagnostic Radiology Kitasato University School of Medicine Kanagawa Japan) Mitsuhiro Kida (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan) Hiroshi Imaizumi (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan) Tomohisa Iwai (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan) Hiroshi Yamauchi (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan) Toru Kaneko (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan) Rikiya Hasegawa (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan) Takahiro Kurosu (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan) Naoki Minato (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan) Hiroki Haradome (Departments of Radiological Advanced Medicine Kitasato University School of Medicine Japan) Wasaburo Koizumi (Departments of Gastroenterology Kitasato University School of Medicine Sagamihara Kanagawa Japan)
저널정보
대한소화기내시경학회 Clinical Endoscopy Clinical Endoscopy 제54권 제4호
발행연도
2021.1
수록면
589 - 595 (7page)

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Background/Aims: Cholecystitis can occur after the placement of covered self-expandable metallic stents for distal malignant biliaryobstructions. We aimed to identify risk factors for cholecystitis following covered self-expandable metallic stent placement. Methods: We investigated risk factors related to cholecystitis following covered self-expandable metallic stent placement in 118patients with distal malignant biliary obstructions between January 1, 2015 and April 30, 2019. Endoscopic assessments and tumorinvasion to the arteries feeding the gallbladder were determined by a pancreaticobiliary endoscopist and a radiologist, respectively. Results: The median patient age was 72 years (men, 61.0%). The flow of the contrast agent into the gallbladder and tumorinvolvement in the orifice of the cystic duct were observed in 35 (29.7%) and 35 (29.7%) patients, respectively. During theobservation period (median, 179 days), cholecystitis occurred in 18 (15.3%) patients. Multivariate analysis revealed the flow ofthe contrast agent into the gallbladder (p=0.023) and tumor involvement in the orifice of the cystic duct (p=0.005) as significantindependent risk factors associated with cholecystitis. Conclusions: The flow of the contrast agent into the gallbladder and tumor involvement in the orifice of the cystic duct are potentialindependent risk factors for cholecystitis following the placement of covered self-expandable metallic stents. A follow-up prospectivestudy is warranted to validate their influence.

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