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Xu L, Li XT, Ur-Rahman I, Zhang C, Qi YB, Hu RB, Li K, Awadh AM, Ma J, Xiao W, Gao SJ, Yang PL, Wang Y, Peng QS, Wang T, Zheng QM, Ding SZ. Global H. pylori recurrence, recrudescence, and re-infection status after successful eradication in pediatric patients: a systematic review and meta-analysis. J Gastroenterol 2024; 59:668-681. [PMID: 38814335 DOI: 10.1007/s00535-024-02114-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 04/26/2024] [Indexed: 05/31/2024]
Abstract
BACKGROUND Little information is available regarding global H. pylori recurrence, recrudescence, and re-infection in pediatric patients after successful eradication, nor are their influencing factors clear. We conducted a systematic review and meta-analysis to determine global H. pylori recurrence status and its influencing factors in children and adolescents to improve infection management and disease prevention. METHODS Published studies on H. pylori recurrence in children and adolescents were collected from major public databases until January 2023. H. pylori recurrences were determined using randomized-effect and fixed-effect models. Stratified analysis was performed based on various regions, countries, publication time, human development indexes (HDIs), and ages. RESULTS A total of 3310 relevant articles were screened, and 30 articles (1915 participants) were finally enrolled for analysis. The overall H. pylori recurrence rate was 19%, and the annual recurrence rate was 13%. In stratified analysis, H. pylori annual recurrence rate in Asian children was higher than that in Europe (17% vs. 6%) and higher in developing countries than in developed countries (18% vs. 5%). In children aged ≤ 5 years, ≤ 10 years, and 11-18 years, the H. pylori recurrence rates were 30%, 14%, and 8%, respectively. H. pylori recrudescence and re-infection rates were 6% and 10%, respectively, and its recurrence was inversely correlated with HDI. CONCLUSIONS These results provide insights into global H. pylori recurrence, annual recurrence, recrudescence, and re-infection status in pediatric population. The stratified analysis revealed the pattern and seriousness of infection, which requires further efforts to improve patient care.
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Affiliation(s)
- Lu Xu
- Department of Gastroenterology and Hepatology, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, No. 7 Wei Wu Road, Jin Shui District, Zhengzhou, 450003, Henan, China
| | - Xiao-Ting Li
- Department of Gastroenterology and Hepatology, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, No. 7 Wei Wu Road, Jin Shui District, Zhengzhou, 450003, Henan, China
| | - Ishtiaq Ur-Rahman
- Department of Gastroenterology and Hepatology, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, No. 7 Wei Wu Road, Jin Shui District, Zhengzhou, 450003, Henan, China
| | - Chen Zhang
- Department of Gastroenterology and Hepatology, Henan University People's Hospital, and Henan Provincial People's Hospital, Zhengzhou, 450003, Henan, China
| | - Ya-Bin Qi
- Department of Gastroenterology and Hepatology, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, No. 7 Wei Wu Road, Jin Shui District, Zhengzhou, 450003, Henan, China
- Department of Gastroenterology and Hepatology, Henan University People's Hospital, and Henan Provincial People's Hospital, Zhengzhou, 450003, Henan, China
| | - Ruo-Bing Hu
- Department of Gastroenterology and Hepatology, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, No. 7 Wei Wu Road, Jin Shui District, Zhengzhou, 450003, Henan, China
- Department of Gastroenterology and Hepatology, Henan University People's Hospital, and Henan Provincial People's Hospital, Zhengzhou, 450003, Henan, China
| | - Kuan Li
- Department of Gastroenterology and Hepatology, Henan University People's Hospital, and Henan Provincial People's Hospital, Zhengzhou, 450003, Henan, China
- Department of Infectious Disease, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, Zhengzhou, 450003, Henan, China
| | - Abdun Mohammed Awadh
- Department of Gastroenterology and Hepatology, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, No. 7 Wei Wu Road, Jin Shui District, Zhengzhou, 450003, Henan, China
| | - Jing Ma
- Department of Gastroenterology and Hepatology, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, No. 7 Wei Wu Road, Jin Shui District, Zhengzhou, 450003, Henan, China
- Department of Gastroenterology and Hepatology, Henan University People's Hospital, and Henan Provincial People's Hospital, Zhengzhou, 450003, Henan, China
| | - Wei Xiao
- Department of Gastroenterology and Hepatology, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, No. 7 Wei Wu Road, Jin Shui District, Zhengzhou, 450003, Henan, China
- Department of Gastroenterology and Hepatology, Henan University People's Hospital, and Henan Provincial People's Hospital, Zhengzhou, 450003, Henan, China
| | - San-Jun Gao
- Microbiom Laboratory, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, Zhengzhou, 450003, Henan, China
| | - Pei-Li Yang
- Department of Gastroenterology and Hepatology, Huangchuan People's Hospital, No. 104 Yuejin Road, Huangchuan, 465150, Henan, China
| | - Yue Wang
- Department of Gastroenterology and Hepatology, Huangchuan People's Hospital, No. 104 Yuejin Road, Huangchuan, 465150, Henan, China
| | - Qing-Song Peng
- Department of Gastroenterology and Hepatology, Huangchuan People's Hospital, No. 104 Yuejin Road, Huangchuan, 465150, Henan, China
| | - Tao Wang
- Department of Gastroenterology and Hepatology, Huangchuan People's Hospital, No. 104 Yuejin Road, Huangchuan, 465150, Henan, China
| | - Qing-Ming Zheng
- Department of Gastroenterology and Hepatology, Huangchuan People's Hospital, No. 104 Yuejin Road, Huangchuan, 465150, Henan, China
| | - Song-Ze Ding
- Department of Gastroenterology and Hepatology, People's Hospital of Zhengzhou University, and Henan Provincial People's Hospital, No. 7 Wei Wu Road, Jin Shui District, Zhengzhou, 450003, Henan, China.
- Department of Gastroenterology and Hepatology, Henan University People's Hospital, and Henan Provincial People's Hospital, Zhengzhou, 450003, Henan, China.
- Department of Gastroenterology and Hepatology, Huangchuan People's Hospital, No. 104 Yuejin Road, Huangchuan, 465150, Henan, China.
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Li G, Kelly DR, Mroczek-Musulman E, Wang K, Council L, Zhao L. Gastric Antral Mucosal Changes in Children With Intestinal Metaplasia. Pediatr Dev Pathol 2022; 25:511-517. [PMID: 35510382 DOI: 10.1177/10935266221096939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Objectives: The gastric mucosal change accompanying gastric antral intestinal metaplasia (IM) in the pediatric population and its clinical implications remain unclear. Methods: We retrieved all patients younger than 18 years who had upper GI endoscopy with a pathology diagnosis of antral IM between 2009 and 2020. Each biopsy was evaluated for the presence of dysplasia, Helicobacter pylori, gastritis, and other pathologic changes. Results: A total of 134 patients with antral IM were identified; 72 (53.7%) with coexisting pathology including chronic gastritis (n = 22), reactive gastropathy (n = 16), focal mild chronic inflammation (n = 13), gastric eosinophilia (n = 9), chronic active gastritis associated with (n = 2) and without Helicobacter infection (n = 3), and others (n = 7). The remaining 62 (46.3%) showed isolated IM. Gastric IM increased with age, and was often accompanied by other pathologic changes, especially in female children. Twenty-seven patients had follow up biopsies; 11 of the 27 patients (40.7%) showed persistent IM in at least one repeat biopsies. None demonstrated dysplasia. Conclusions: In children, antral IM increases with age and often coexists with other pathologic changes. Gastric IM could persist for at least months to years in a significant subset of patients with chronic gastritis and gastric eosinophilia.
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Affiliation(s)
- Geling Li
- Department of Pathology and Laboratory Medicine, 22078Children's of Alabama, Birmingham, AL, USA.,Department of Pathology, 9968University of Alabama at Birmingham, Birmingham, AL, USA
| | - David R Kelly
- Department of Pathology and Laboratory Medicine, 22078Children's of Alabama, Birmingham, AL, USA.,Department of Pathology, 9968University of Alabama at Birmingham, Birmingham, AL, USA
| | - Elizabeth Mroczek-Musulman
- Department of Pathology and Laboratory Medicine, 22078Children's of Alabama, Birmingham, AL, USA.,Department of Pathology, 9968University of Alabama at Birmingham, Birmingham, AL, USA
| | - Kai Wang
- Department of Pathology, 9968University of Alabama at Birmingham, Birmingham, AL, USA
| | - Leona Council
- Department of Pathology, 9968University of Alabama at Birmingham, Birmingham, AL, USA
| | - Lei Zhao
- Department of Pathology, Harvard Medical School, 1861Brigham and Women's Hospital, Boston, MA, USA
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3
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Yu M, Ma J, Song XX, Shao QQ, Yu XC, Khan MN, Qi YB, Hu RB, Wei PR, Xiao W, Jia BL, Cheng YB, Kong LF, Chen CL, Ding SZ. Gastric mucosal precancerous lesions in Helicobacter pylori-infected pediatric patients in central China: A single-center, retrospective investigation. World J Gastroenterol 2022; 28:3682-3694. [PMID: 36161049 PMCID: PMC9372804 DOI: 10.3748/wjg.v28.i28.3682] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 04/02/2022] [Accepted: 06/26/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Helicobacter pylori (H. pylori) infects about 50% of the world population and is the major cause of chronic gastritis, peptic ulcers, and gastric cancer. Chronic H. pylori infection induces gastric mucosal precancerous lesions mostly in adulthood, and it is debatable whether these pathological conditions can occur in childhood and adolescents as well. Since this is a critical issue to determine if intervention should be offered for this population group, we investigated the gastric mucosal precancerous lesions in pediatric patients in an area in central China with a high prevalence of H. pylori and gastric cancer.
AIM To investigate the relationship of H. pylori infection and gastric mucosal precancerous lesions in children and adolescents in central China.
METHODS We screened 4258 ward-admitted children and adolescent patients with upper gastrointestinal symptoms, and finally enrolled 1015 pediatric patients with H. pylori infection and endoscopic and histological data. H. pylori infection status was determined by rapid urease test and histopathological examination. Both clinical and pathological data were collected and analyzed retrospectively. Occurrence of gastric mucosal precancerous lesions, inflammatory activity and degree of inflammatory cell infiltration between H. pylori-positive and -negative groups were compared.
RESULTS Among the 1015 eligible children and adolescents, the overall H. pylori infection rate was 84.14% (854/1015). The infection rate increased with age. The incidence of gastric mucosal precancerous lesions in H. pylori-infected children was 4.33% (37/854), which included atrophic gastritis (17 cases), intestinal metaplasia (11 cases) and dysplasia (9 cases). In H. pylori-negative patients, only 1 atrophic gastritis case [0.62%, (1/161)] was found (P < 0.05). Active inflammation in H. pylori-infected patients was significantly higher than that in non-infected patients, and the H. pylori-infected group showed more severe lymphocyte and neutrophil granulocyte infiltration (P < 0.001). In addition, endoscopy revealed that the most common findings in H. pylori-positive patients were antral nodularity, but in H. pylori-negative patients only superficial gastritis was observed.
CONCLUSION In children and adolescents, gastric mucosal precancerous lesions occurred in 4.33% of H. pylori-infected patients in central China. These cases included atrophic gastritis, intestinal metaplasia, and dysplasia. The data revealed an obvious critical issue requiring future investigation and intervention for this population group.
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Affiliation(s)
- Miao Yu
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Jing Ma
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Xiao-Xia Song
- Department of Pathology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Qiao-Qiao Shao
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Xue-Chun Yu
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Muhammad Noman Khan
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Ya-Bin Qi
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Ruo-Bing Hu
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Pei-Ru Wei
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Wei Xiao
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Bai-Ling Jia
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Yan-Bo Cheng
- Department of Pediatrics, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Ling-Fei Kong
- Department of Pathology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Chuan-Liang Chen
- Department of Medical Imaging, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
| | - Song-Ze Ding
- Department of Gastroenterology and Hepatology, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital, Zhengzhou 450003, Henan Province, China
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Particular Morphological Features in the Diagnosis of Pediatric Helicobacter pylori Gastritis: A Morphometry-Based Study. J Clin Med 2020; 9:jcm9113639. [PMID: 33198263 PMCID: PMC7696087 DOI: 10.3390/jcm9113639] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/26/2020] [Accepted: 11/10/2020] [Indexed: 12/29/2022] Open
Abstract
Background: Current pediatric guidelines recommend the use of the Updated Sydney Classification for gastritis to assess histological changes caused by Helicobacter pylori (H. pylori) infection. The purpose of this study was to investigate the morphometric alterations of the antral mucosa in relation to pediatric H. pylori infection. Methods: A total of 65 cases were considered eligible. Apart from scoring the biopsies according to the recommendations, foveolar hyperplasia (FH) was assessed. The following measurements were performed on digital slides: total mucosal thickness, foveolar and glandular length, number of glandular cross sections per 40X field, glandular diameter, and distance between glands. Results: The thickness of the antral mucosa increased along with the bacterial density and the intensity of inflammation in H. pylori-infected children (p < 0.05). FH was significantly associated with the presence of H. pylori (p < 0.001) and also exhibited a greater length of the foveolar and glandular structures and an increased glandular diameter (p < 0.05), but without influencing the thickness of the mucosa. Conclusions: Our results reinforce the fact that FH is not only an important histologic characteristic of gastropathy, but is also a significant change observed in H. pylori infection in children and may be considered for reporting when evaluating pediatric gastric biopsies.
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Domșa AMT, Lupușoru R, Gheban D, Șerban R, Borzan CM. Helicobacter pylori Gastritis in Children-The Link between Endoscopy and Histology. J Clin Med 2020; 9:jcm9030784. [PMID: 32183130 PMCID: PMC7141205 DOI: 10.3390/jcm9030784] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/05/2020] [Accepted: 03/10/2020] [Indexed: 02/06/2023] Open
Abstract
Background: The management of Helicobacter pylori (H. pylori) infection raises important challenges, still being the most common chronic infection worldwide in all age groups. In high-prevalence regions, paediatric patients need a specific focus, as the acquisition of the infection takes place in childhood. The objective of this study was to analyze the endoscopic and histopathologic changes of the gastric mucosa in H. pylori infected children. Material and Methods: A retrospective study was performed on consecutive paediatric patients, ranging from 0 to 18 years of age, who underwent an upper gastrointestinal endoscopy (UGE) for a period of 5 years, regardless of their symptomatology. Endoscopy reports and histological slides were reviewed and clinical, endoscopic, and histologic data were recorded. Results: A total of 248 patients were included in the study, 82 (33.06%) of them being H. pylori infected. There was no difference in age and symptoms between the infected and noninfected group. A significant association was found between the H. pylori infection and histopathological parameters such as acute and chronic inflammatory infiltrate. The bacterial load influences the intensity of inflammation (p < 0.001). The chronic inflammation was predominant, only 23.2% of the patients displayed acute inflammation (p < 0.0001). The topographic distribution of inflammation was dominated by pangastritis (p = 0.04) with 58.6% of the patients presenting similar degrees of inflammation both in the antrum and corpus. Conclusion: Endoscopic features such as nodularity of the antral mucosa (p < 0.05) along with histological findings as lymphoid follicles (p < 0.05) are suggestive of H. pylori infection. However, the concordance between the endoscopic and histological diagnosis is still far from perfect (Cohen’s k coefficient = 0.42), maintaining the need for an invasive approach in children.
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Affiliation(s)
- Ana-Maria Teodora Domșa
- Department of Pathology, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400000 Cluj-Napoca, Romania (D.G.)
| | - Raluca Lupușoru
- Department of Gastroenterology and Hepatology, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Department of Functional Sciences, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Correspondence: ; Tel.: +40-7339-120-28
| | - Dan Gheban
- Department of Pathology, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400000 Cluj-Napoca, Romania (D.G.)
- Emergency Clinical Hospital for Children, 400000 Cluj-Napoca, Romania;
| | - Radu Șerban
- Emergency Clinical Hospital for Children, 400000 Cluj-Napoca, Romania;
- Department of Pediatrics, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400000 Cluj-Napoca, Romania
| | - Cristina Maria Borzan
- Department of Public Health and Management, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400000 Cluj-Napoca, Romania;
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Khaiboullina SF, Abdulkhakov S, Khalikova A, Safina D, Martynova EV, Davidyuk Y, Khuzin F, Faizullina R, Lombardi VC, Cherepnev GV, Rizvanov AA. Serum Cytokine Signature That Discriminates Helicobacter pylori Positive and Negative Juvenile Gastroduodenitis. Front Microbiol 2016; 7:1916. [PMID: 28018296 PMCID: PMC5156714 DOI: 10.3389/fmicb.2016.01916] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 11/15/2016] [Indexed: 12/27/2022] Open
Abstract
Gastroduodenitis caused by H. pylori, often acquired in early childhood, is found in about 50% of the adult population. Although H. pylori infections can remain asymptomatic, its virulence factors usually trigger epithelial vacuolization and degeneration, loss of microvilli, disintegration of cytoplasm, and leukocyte accumulation. It is believed that leukocyte infiltration is driven by cytokines produced locally in infected tissue. However, so far little is known about changes in serum cytokines in juvenile patients infected with H. pylori. Serum cytokine profiles were analyzed in 62 juvenile patients diagnosed with gastroduodenitis using the Bio-Plex multiplex assay. H. pylori infection was confirmed in 32 patients, while 30 patients were H. pylori-free. Cytokines CXCL5 and CXCL6, potent neutrophil chemoattractants, were upregulated in all patients diagnosed with gastroduodenitis. Serum levels of IL8, a prototype neutrophil attractant, remained unchanged in subjects with gastroduodenitis relative to controls. Therefore, our data suggest that CXCL5 and CXCL6 play a role in directing neutrophil trafficking into inflamed gastroduodenal tissue. In addition, the CCL25/GM-CSF ratio differed significantly between H. pylori-positive and -negative juveniles. Further, study is needed to evaluate the role of CCL25 and GM-CSF in the pathogenesis of the different etiologies of gastroduodenitis.
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Affiliation(s)
| | - Sayar Abdulkhakov
- Institute of Fundamental Medicine and Biology, Kazan Federal UniversityKazan, Russia; Kazan State Medical UniversityKazan, Russia
| | | | - Dilyara Safina
- Institute of Fundamental Medicine and Biology, Kazan Federal University Kazan, Russia
| | - Ekaterina V Martynova
- Institute of Fundamental Medicine and Biology, Kazan Federal University Kazan, Russia
| | - Yuriy Davidyuk
- Institute of Fundamental Medicine and Biology, Kazan Federal University Kazan, Russia
| | | | | | - Vincent C Lombardi
- Institute of Fundamental Medicine and Biology, Kazan Federal UniversityKazan, Russia; Nevada Center for Biomedical ResearchReno, NV, USA
| | - Georgi V Cherepnev
- Institute of Fundamental Medicine and Biology, Kazan Federal UniversityKazan, Russia; Department of Clinical Laboratory Diagnostics, Kazan State Medical AcademyKazan, Russia
| | - Albert A Rizvanov
- Institute of Fundamental Medicine and Biology, Kazan Federal University Kazan, Russia
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Villarreal-Calderon R, Luévano-González A, Aragón-Flores M, Zhu H, Yuan Y, Xiang Q, Yan B, Stoll KA, Cross JV, Iczkowski KA, Mackinnon AC. Antral atrophy, intestinal metaplasia, and preneoplastic markers in Mexican children with Helicobacter pylori-positive and Helicobacter pylori-negative gastritis. Ann Diagn Pathol 2014; 18:129-35. [PMID: 24656654 DOI: 10.1016/j.anndiagpath.2014.02.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 02/04/2014] [Indexed: 02/08/2023]
Abstract
Chronic inflammation and infection are major risk factors for gastric carcinogenesis in adults. As chronic gastritis is common in Mexican children, diagnosis of Helicobacter pylori and other causes of gastritis are critical for the identification of children who would benefit from closer surveillance. Antral biopsies from 82 Mexican children (mean age, 8.3 ± 4.8 years) with chronic gastritis (36 H pylori+, 46 H pylori-) were examined for gastritis activity, atrophy, intestinal metaplasia (IM), and immunohistochemical expression of gastric carcinogenesis biomarkers caudal type homeobox 2 (CDX2), ephrin type-B receptor 4 (EphB4), matrix metalloproteinase 3 (MMP3), macrophage migration inhibitory factor (MIF), p53, β-catenin, and E-cadherin. Atrophy was diagnosed in 7 (9%) of 82, and IM, in 5 (6%) of 82 by routine histology, whereas 6 additional children (7%) (3 H pylori+) exhibited aberrant CDX2 expression without IM. Significant positive correlations were seen between EphB4, MMP3, and MIF (P<.0001). Atrophy and follicular pathology were more frequent in H pylori+ biopsies (P<.0001), whereas IM and CDX2 expression showed no significant correlation with H pylori status. Antral biopsies demonstrating atrophy, IM, and/or aberrant CDX2 expression were seen in 21.95% (18/82) of the children, potentially identifying those who would benefit from closer surveillance and preventive dietary strategies. Biomarkers CDX2, EphB4, MMP3, and MIF may be useful in the workup of pediatric gastritis.
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Affiliation(s)
| | - Arturo Luévano-González
- Department of Pathology, Clinical and Translational Research Core Lab, Medical College of Wisconsin, Milwaukee, WI 53226
| | | | - Hongtu Zhu
- Department of Biostatistics, University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC 27599
| | - Ying Yuan
- Department of Biostatistics, University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC 27599
| | - Qun Xiang
- Institute for Health and Society, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Benjamin Yan
- Department of Pathology, Clinical and Translational Research Core Lab, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Kathryn Anne Stoll
- Department of Pathology, Clinical and Translational Research Core Lab, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Janet V Cross
- Department of Pathology, University of Virginia School of Medicine, Charlottesville, VA, 22908
| | - Kenneth A Iczkowski
- Department of Pathology, Clinical and Translational Research Core Lab, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Alexander Craig Mackinnon
- Department of Pathology, Clinical and Translational Research Core Lab, Medical College of Wisconsin, Milwaukee, WI 53226.
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Bayona Rojas MA, Gutiérrez Escobar AJ, Sánchez Suárez JF, Mora Camberos GM, Salamanca-Muñoz LF. Eficacia del método de inmunocromatografía en heces para el diagnóstico de Helicobacter Pylori en pacientes con dispepsia: evaluación preliminar. ACTA ACUST UNITED AC 2014. [DOI: 10.22463/0122820x.9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
La infección por Helicobacter pylori se considera una de las afecciones emergentes más importantes del presente siglo, relacionándose estrechamente con las enfermedades del tracto gastroduodenal y como factor predisponente para el carcinoma gástrico. Para su diagnóstico se han empleado pruebas invasiva y no invasivas, entre estas últimas la inmunocromatografía en heces, la cual detecta cualitativamente antígenos de éste patógeno. El objetivo del presente estudio fue determinar la eficacia de una inmunocromatografía para el diagnóstico de la infección por H. pylori en pacientes dispépticos de un centro hospitalario de Cundinamarca. Se realizó un estudio preliminar para evaluar una prueba diagnóstica, tomando pacientes con historia de dispepsia y que presentaran reporte de biopsia gástrica en la historia clínica. Se evaluaron muestras de heces y por medio del rapid test SD Bio Line H. pylori Ag™, se determinó la presencia de antígenos de H. pylori en las muestras fecales. Se evaluaron un total de 33 pacientes: 48,4 % hombres y 51,5% mujeres, la sensibilidad fue de 30% y una especificidad de 84.62%. El valor predictivo positivo se calculó en 75% y el valor predictivo negativo fue de 44 %. La especificad calculada para la prueba es comparable con la encontrada en la literatura, no obstante, debido al intervalo que mostró el índice de confiabilidad haría falta más pruebas que permitan aumentar la confiabilidad de los resultados aquí mostrados.
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9
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Upper gastrointestinal histopathological findings in children and adolescents with nonulcer dyspepsia with Helicobacter pylori infection. J Pediatr Gastroenterol Nutr 2012; 55:523-9. [PMID: 22684348 DOI: 10.1097/mpg.0b013e3182618136] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OBJECTIVES The aim of the study was to investigate the histopathological lesions in the upper gastrointestinal mucosa associated with Helicobacter pylori infection in children with nonulcer dyspepsia. METHODS A cross-sectional case-control study was performed on 185 Brazilian children and adolescents (4-17 years, mean 9.5 ± 2.7 years), 63.2% girls, submitted to upper gastrointestinal endoscopy. The histopathological lesions of the esophageal and gastric mucosa were analyzed in biopsy samples. RESULTS H pylori infection was identified in 96 children (51.8%). Moderate to severe chronic active gastritis was present in antrum (70.5%) and corpus (45.2%), with higher grading in antrum than in corpus (P < 0.05). The topographic distribution of inflammation was pangastritis (61.9%), followed by antral (32.1%) and corpus (5.9%). H pylori density was higher in antrum than in corpus. Intestinal metaplasia was not found in the H pylori-infected group, nor was significant gastric atrophy. The scores for esophagitis were significantly higher (P < 0.05) in the noninfected group (1.4 ± 0.8) than in the H pylori-infected group (1.07 ± 0.9), with significant negative correlation (r = 0.29; P < 0.05) with the scores of gastric inflammation. CONCLUSIONS The prevalence of H pylori infection was high among children with dyspepsia and associated with moderate/severe degrees of gastric inflammation. The high scores of esophagitis in the noninfected group point to 2 distinct groups of pathological conditions sharing similar clinical patterns.
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Sutton P, Robinson K. Do Helicobacter pylori therapeutic vaccines need to be tailored to the age of the recipient? Expert Rev Vaccines 2012; 11:415-7. [PMID: 22551026 DOI: 10.1586/erv.12.16] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Helicobacter pylori infections typically commence during childhood and last for life. Freire de Melo and colleagues compared cytokine profiles in the stomachs of H. pylori-infected and H. pylori-uninfected children and adults from Brazil. They suggest that the immune effector response in infected children differs from infected adults, specifically that stomachs of infected children contained elevated regulatory T-cell markers and less IL-17 compared with adults. As vaccine-mediated protection against H. pylori is believed to involve IL-17 and to be inhibited by regulatory T cells, this raises the possibility that individual H. pylorivaccines may have different efficacies in children and adults.
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Affiliation(s)
- Philip Sutton
- Centre for Animal Biotechnology, School of Veterinary Science, University of Melbourne, Parkville, VIC 3010, Australia.
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