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논문 기본 정보

자료유형
학술저널
저자정보
Kim Sang Yoon (Division of Gastroenterology Department of Internal Medicine Seoul St. Mary’s Hospital College of M) Park Jae Myung (Division of Gastroenterology Department of Internal Medicine Seoul St. Mary’s Hospital College of M) Lim Chul-Hyun (Division of Gastroenterology Department of Internal Medicine Eunpyeong St. Mary’s Hospital College) Lee Hye Ah (Clinical Trial Center Ewha Womans University Mokdong Hospital Seoul Korea) Shin Ga-Yeong (Division of Gastroenterology Department of Internal Medicine Seoul St. Mary’s Hospital College of M) Choe Younghee (Division of Gastroenterology Department of Internal Medicine Seoul St. Mary’s Hospital College of M) Cho Yu Kyung (Division of Gastroenterology Department of Internal Medicine Seoul St. Mary’s Hospital College of M) Choi Myung-Gyu (Division of Gastroenterology Department of Internal Medicine Seoul St. Mary’s Hospital College of M)
저널정보
거트앤리버 발행위원회 Gut and Liver Gut and Liver 제15권 제4호
발행연도
2021.1
수록면
528 - 536 (9page)

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Background/Aims: Point mutations in the 23S ribosomal RNA gene have been associated with Helicobacter pylori clarithromycin resistance. This study aimed to detect the prevalence of these point mutations and to investigate the role of different point mutations in the success of eradication therapy. Methods: We retrospectively investigated a total of 464 consecutive patients who underwent an endoscopic examination and dual-priming oligonucleotide-based multiplex polymerase chain reaction for H. pylori between June 2014 and October 2019. For 289 patients with negative point mutations, standard triple therapy was used in 287 patients, and the bismuth-quadruple regimen was used in two patients. For 175 patients with positive point mutations (A2142G, A2143G, and both mutations), standard triple and bismuth-quadruple therapies were used in 37 patients and 138 patients, respectively. Results: The eradication rates of standard triple and bismuth-quadruple therapies showed no significant difference in mutation-negative patients or those with the A2142G point mutation. However, the eradication rate with bismuth-quadruple therapy was significantly higher than that with standard triple therapy in the group with the A2143G mutation or with the double mutation. The eradication rates for standard triple and bismuth-quadruple therapies, respectively, were 25.8% and 92.1% in the per-protocol group (p<0.001) and 24.2% and 85.2% in the intention-totreat analysis (p<0.001). Conclusions: The A2143G point mutation is the most prevalent cause of clarithromycin resistance. Bismuth-quadruple therapy is superior to standard triple therapy in patients with the A2143G or double point mutation.

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