{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,2]],"date-time":"2025-11-02T05:04:30Z","timestamp":1762059870584,"version":"build-2065373602"},"reference-count":34,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2022,7,26]],"date-time":"2022-07-26T00:00:00Z","timestamp":1658793600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>The prevalence of Helicobacter pylori (Hp) in bariatric patients is common and related to gastric pathology. With preoperative upper gastrointestinal endoscopy (UGE), these pathologies and the presence of Hp are diagnosed. The histopathological study of the UGE biopsies is classified based on the Sydney System, a scoring system that stages chronic gastritis (CG) and precancerous gastric lesions. The objective is to assess the histological findings of gastric biopsies during routine UGE and to determine the involvement of Hp in gastric disorders in patients undergoing bariatric surgery. A multicenter retrospective review of prospectively collected databases was performed. The presence of CG, gastric atrophy (GA), and gastric intestinal metaplasia (GIM) in the study of the biopsies was assessed and correlated with Hp infection. The incidence of Hp among our bariatric population was 36.1%, and it increases with age. The percentage of patients with severe Hp infection is higher in patients with GA or GIM. The Hp eradication rate is also reduced when GA and GIM are present. A histological examination of all the biopsies did not show features of malignancy in any of the cases. Hp is not the only factor involved in the development of gastric pathology in bariatric patients.<\/jats:p>","DOI":"10.3390\/ijerph19159088","type":"journal-article","created":{"date-parts":[[2022,7,26]],"date-time":"2022-07-26T22:03:42Z","timestamp":1658873022000},"page":"9088","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Involvement of Helicobacter pylori in Preoperative Gastric Findings on a Bariatric Population"],"prefix":"10.3390","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9384-3714","authenticated-orcid":false,"given":"Soledad","family":"Garc\u00eda-G\u00f3mez-Heras","sequence":"first","affiliation":[{"name":"Department of Basic Health Science, Health Science Faculty, Rey Juan Carlos University, 28922 Madrid, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2439-3553","authenticated-orcid":false,"given":"Mar\u00eda Jes\u00fas","family":"Fern\u00e1ndez-Ace\u00f1ero","sequence":"additional","affiliation":[{"name":"Department of Pathology, Hospital Cl\u00ednico Universitario San Carlos, 28040 Madrid, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gilberto","family":"Gonz\u00e1lez","sequence":"additional","affiliation":[{"name":"Department of Surgery and Bariatrics, Centro M\u00e9dico Puerta de Hierro, Guadalajara 45040, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3415-3289","authenticated-orcid":false,"given":"Mar\u00eda de Lourdes","family":"Bola\u00f1os-Mu\u00f1oz","sequence":"additional","affiliation":[{"name":"Neuroscience Institute CUCBA, Guadalajara University Guadalajara, Guadalajara 44340, Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raquel","family":"Franco-Rodr\u00edguez","sequence":"additional","affiliation":[{"name":"Department of Basic Health Science, Health Science Faculty, Rey Juan Carlos University, 28922 Madrid, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julio","family":"Paredes-Gonz\u00e1lez","sequence":"additional","affiliation":[{"name":"Department of Basic Health Science, Health Science Faculty, Rey Juan Carlos University, 28922 Madrid, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jaime","family":"Ruiz-Tovar","sequence":"additional","affiliation":[{"name":"Department of Health Sciences, Alfonso X El Sabio University, 28691 Madrid, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,7,26]]},"reference":[{"key":"ref_1","unstructured":"Ruiz-Tovar, J., and Zubiaga, L. 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