{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T15:04:01Z","timestamp":1791903841095,"version":"4.3.4"},"reference-count":62,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,1,6]],"date-time":"2021-01-06T00:00:00Z","timestamp":1609891200000},"content-version":"vor","delay-in-days":5,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Canadian Journal of Gastroenterology and Hepatology"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:p><jats:italic>Helicobacter pylori<\/jats:italic> (<jats:italic>H. pylori<\/jats:italic>) is proved to be the main pathogenic agent of various diseases, including chronic gastritis, gastric ulcer, duodenal ulcer, and gastric cancer. In addition, chronic cholecystitis and cholelithiasis are common worldwide, which are supposed to increase the total mortality of patients. Epidemiologic evidence on the relationship between <jats:italic>H. pylori<\/jats:italic> infection of the gallbladder and chronic cholecystitis\/cholelithiasis still remains unclear. We conducted a systematic review and meta\u2010analysis of overall studies to investigate the relationship between <jats:italic>H. pylori<\/jats:italic> infection of the gallbladder and chronic cholecystitis\/cholelithiasis. Two researchers searched PubMed, Embase, and Cochrane Library databases to obtain all related and eligible studies published before July 2020. The pooled odds ratios (ORs) and corresponding 95% confidence intervals (CIs) were calculated by the random\u2010effects model. Subgroup analysis, heterogeneity, publication bias, and sensitivity analysis were also conducted. Twenty studies were included in the meta\u2010analysis, involving 1735 participants and 1197 patients with chronic cholecystitis\/cholelithiasis. <jats:italic>Helicobacter<\/jats:italic> species infection of the gallbladder was positively correlated with increased risk of chronic cholecystitis and cholelithiasis, especially <jats:italic>H. pylori<\/jats:italic> (OR\u2009=\u20093.05; 95% CI, 1.81\u20135.14; <jats:italic>I<\/jats:italic><jats:sup>2<\/jats:sup>\u2009=\u200923.5%). Besides, country\u2010based subgroup analysis also showed a positive correlation between the gallbladder <jats:italic>H. pylori<\/jats:italic> positivity and chronic cholecystitis\/cholelithiasis risk. For Asian and non\u2010Asian country studies, the ORs were 4.30 (95% CI, 1.76\u201310.50; <jats:italic>I<\/jats:italic><jats:sup>2<\/jats:sup>\u2009=\u200937.4%) and 2.13 (95% CI, 1.23\u20133.70; <jats:italic>I<\/jats:italic><jats:sup>2<\/jats:sup>\u2009=\u20090.0%), respectively. The association was more obvious using the bile sample and urease gene primer. In conclusion, this meta\u2010analysis provided evidence that there is a positive correlation between <jats:italic>H. pylori<\/jats:italic> infection in the gallbladder and increased risk of chronic cholecystitis and cholelithiasis.<\/jats:p>","DOI":"10.1155\/2021\/8886085","type":"journal-article","created":{"date-parts":[[2021,1,6]],"date-time":"2021-01-06T22:07:46Z","timestamp":1609970866000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["The Relationship between <i>Helicobacter pylori<\/i> Infection of the Gallbladder and Chronic Cholecystitis and Cholelithiasis: A Systematic Review and 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