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Ansari S, Yamaoka Y. Helicobacter pylori Infection, Its Laboratory Diagnosis, and Antimicrobial Resistance: a Perspective of Clinical Relevance. Clin Microbiol Rev 2022; 35:e0025821. [PMID: 35404105 PMCID: PMC9491184 DOI: 10.1128/cmr.00258-21] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Despite the recent decrease in overall prevalence of Helicobacter pylori infection, morbidity and mortality rates associated with gastric cancer remain high. The antimicrobial resistance developments and treatment failure are fueling the global burden of H. pylori-associated gastric complications. Accurate diagnosis remains the opening move for treatment and eradication of infections caused by microorganisms. Although several reports have been published on diagnostic approaches for H. pylori infection, most lack the data regarding diagnosis from a clinical perspective. Therefore, we provide an intensive, comprehensive, and updated description of the currently available diagnostic methods that can help clinicians, infection diagnosis professionals, and H. pylori researchers working on infection epidemiology to broaden their understanding and to select appropriate diagnostic methods. We also emphasize appropriate diagnostic approaches based on clinical settings (either clinical diagnosis or mass screening), patient factors (either age or other predisposing factors), and clinical factors (either upper gastrointestinal bleeding or partial gastrectomy) and appropriate methods to be considered for evaluating eradication efficacy. Furthermore, to cope with the increasing trend of antimicrobial resistance, a better understanding of its emergence and current diagnostic approaches for resistance detection remain inevitable.
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Affiliation(s)
- Shamshul Ansari
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, Yufu City, Oita, Japan
| | - Yoshio Yamaoka
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, Yufu City, Oita, Japan
- Department of Medicine, Gastroenterology and Hepatology Section, Baylor College of Medicine, Houston, Texas, USA
- Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia
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Ikken Y, Charof R, Elouennass M, Sekhsokh Y. The novel biphasic medium for transport, culture and conservation at an ambient temperature of Neisseria meningitidis, Streptococcus pneumoniae and Haemophilus influenzae. World J Microbiol Biotechnol 2021; 37:187. [PMID: 34586515 DOI: 10.1007/s11274-021-03149-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 09/16/2021] [Indexed: 11/26/2022]
Abstract
Bacterial meningitis remains a very important disease worldwide, and the major causative pathogens were Neisseria meningitidis (N. meningitidis), Streptococcus pneumoniae (S. pneumoniae) and Haemophilus influenzae (H. influenzae). In our context, the technical difficulties encountered in the routine practice were associated with the fragility of these bacteria, the high rates of negative culture and the demanding transport conditions. That's why the need to look for a solution to its technical problems and to propose a new proper solution with the local situation. The aim of this study was to develop, perform and evaluate a novel biphasic medium used for the transport, culture and conservation at an ambient temperature of N. meningitidis, S. pneumoniae and H. influenzae. The results showed that this biphasic medium provided more, novels and easy nutriments through the addition of liquid phase and solid phase medium and it was found to be conducive to the growth and conservation of N. meningitidis, S. pneumoniae and H. influenzae at an ambient temperature of a minimum of 40 days. And the ingredients used in the medium are readily available at a low cost as well as the components prepared in large quantities, they could be stored at + 4 ± 1 °C for 2 years without significantly altering their growth and conservation supporting their potential. The survival and recovery for the fastidious bacteria on the biphasic medium and the other media used for comparison in this study were significantly different (P < 0.05). In addition, the Sensitivity, Specificity, Positive and Negative Predictive Value of biphasic medium showed highest among the three bacteria at least 40 days of storage at room temperature in this study. In conclusion, we found the biphasic medium to be low cost and suitable for previously mentioned bacteria from suspected meningitis patients, offering an optimal condition and an increase in the viability of the isolates at ambient temperature. And it was concluded that this biphasic medium could be used as a technical solution in laboratories for the management of meningitis.
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Affiliation(s)
- Youssef Ikken
- Biosafety Level 3 and Research Laboratory, Mohammed V Military Teaching Hospital, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, 10 000, Rabat, Morocco.
- Laboratory of Medical Bacteriology, National Institute of Hygiene in Rabat, 27, Avenue Ibn Batouta, B.P. 769, 10 000, Rabat, Morocco.
| | - Réda Charof
- Laboratory of Medical Bacteriology, National Institute of Hygiene in Rabat, 27, Avenue Ibn Batouta, B.P. 769, 10 000, Rabat, Morocco
| | - Mostafa Elouennass
- Laboratory of Bacteriology, Mohammed V Military Teaching Hospital, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, 10 000, Rabat, Morocco
| | - Yassine Sekhsokh
- Biosafety Level 3 and Research Laboratory, Mohammed V Military Teaching Hospital, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, 10 000, Rabat, Morocco
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Sabbagh P, Mohammadnia-Afrouzi M, Javanian M, Babazadeh A, Koppolu V, Vasigala VR, Nouri HR, Ebrahimpour S. Diagnostic methods for Helicobacter pylori infection: ideals, options, and limitations. Eur J Clin Microbiol Infect Dis 2018; 38:55-66. [DOI: 10.1007/s10096-018-3414-4] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Accepted: 10/26/2018] [Indexed: 12/13/2022]
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Seo JH, Park JS, Rhee KH, Youn HS. Diagnosis of Helicobacter pylori Infection in Children and Adolescents in Korea. Pediatr Gastroenterol Hepatol Nutr 2018; 21:219-233. [PMID: 30345235 PMCID: PMC6182473 DOI: 10.5223/pghn.2018.21.4.219] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 06/21/2018] [Indexed: 02/06/2023] Open
Abstract
Helicobacter pylori plays an important role in the pathogenesis of chronic gastritis, peptic ulcer disease, gastric cancer, and gastric mucosa-associated lymphoid tissue lymphoma. In Korea, the guidelines for the diagnosis and treatment of H. pylori infection in adults were revised in 2013. The European Helicobacter and Microbiota Study Group and Consensus panel released the fifth edition of the Maastricht Consensus Report for the management of H. pylori infection in 2015, and the European Society of Paediatric Gastroenterology, Hepatology and Nutrition and the North American Society of Paediatric Gastroenterology, Hepatology and Nutrition released the updated joint guidelines for children and adolescents in 2016. Considering these recommendations and recent progress in our research and that of other research teams, this study aimed to discuss the diagnostic strategies for H. pylori infection in children and adolescents.
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Affiliation(s)
- Ji-Hyun Seo
- Department of Pediatrics, Gyeongsang National Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju, Korea
| | - Ji-Sook Park
- Department of Pediatrics, Gyeongsang National Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju, Korea
| | - Kwang-Ho Rhee
- Department of Microbiology, Gyeongsang National Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju, Korea
| | - Hee-Shang Youn
- Department of Pediatrics, Gyeongsang National Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju, Korea
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Wang YK, Kuo FC, Liu CJ, Wu MC, Shih HY, Wang SSW, Wu JY, Kuo CH, Huang YK, Wu DC. Diagnosis of Helicobacter pylori infection: Current options and developments. World J Gastroenterol 2016. [PMID: 26523098 DOI: 10.3748/wjg.v21.i40.11221.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/11/2022] Open
Abstract
Accurate diagnosis of Helicobacter pylori (H. pylori) infection is a crucial part in the effective management of many gastroduodenal diseases. Several invasive and non-invasive diagnostic tests are available for the detection of H. pylori and each test has its usefulness and limitations in different clinical situations. Although none can be considered as a single gold standard in clinical practice, several techniques have been developed to give the more reliable results. Invasive tests are performed via endoscopic biopsy specimens and these tests include histology, culture, rapid urease test as well as molecular methods. Developments of endoscopic equipment also contribute to the real-time diagnosis of H. pylori during endoscopy. Urea breathing test and stool antigen test are most widely used non-invasive tests, whereas serology is useful in screening and epidemiological studies. Molecular methods have been used in variable specimens other than gastric mucosa. More than detection of H. pylori infection, several tests are introduced into the evaluation of virulence factors and antibiotic sensitivity of H. pylori, as well as screening precancerous lesions and gastric cancer. The aim of this article is to review the current options and novel developments of diagnostic tests and their applications in different clinical conditions or for specific purposes.
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Affiliation(s)
- Yao-Kuang Wang
- Yao-Kuang Wang, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan
| | - Fu-Chen Kuo
- Yao-Kuang Wang, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan
| | - Chung-Jung Liu
- Yao-Kuang Wang, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan
| | - Meng-Chieh Wu
- Yao-Kuang Wang, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan
| | - Hsiang-Yao Shih
- Yao-Kuang Wang, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan
| | - Sophie S W Wang
- Yao-Kuang Wang, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan
| | - Jeng-Yih Wu
- Yao-Kuang Wang, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan
| | - Chao-Hung Kuo
- Yao-Kuang Wang, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan
| | - Yao-Kang Huang
- Yao-Kuang Wang, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan
| | - Deng-Chyang Wu
- Yao-Kuang Wang, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 812, Taiwan
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Di Giulio M, Di Campli E, Di Bartolomeo S, Cataldi V, Marzio L, Grossi L, Ciccaglione AF, Nostro A, Cellini L. In vitro antimicrobial susceptibility of Helicobacter pylori to nine antibiotics currently used in Central Italy. Scand J Gastroenterol 2016; 51:263-9. [PMID: 26554617 DOI: 10.3109/00365521.2015.1092577] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Helicobacter pylori expresses an increased resistance in respect to antimicrobials currently used in therapy. The aim of this study was to evaluate the antimicrobial profiles of H. pylori isolates to nine conventional antibiotics used in a Central Region (Abruzzo) of Italy. MATERIALS AND METHODS Biopsies were taken from antrum and fundus of 112 adult and 3 children with Urea Breath Test positive with dyspeptic symptoms and analyzed for H. pylori culture and antibacterial activity. Antimicrobial susceptibility tests were performed for clarithromycin, metronidazole, levofloxacin, moxifloxacin, ciprofloxacin, tetracycline, amoxicillin, ampicillin, and rifabutin by a modified agar dilution susceptibility test. RESULTS Bacterial culture was successful in 100 out of 115 patients. Helicobacter pylori strains were isolated from 98 antrum and 83 fundus samples. The rate of recovery of H. pylori strains was 90.50% (181/200). The percentages of resistance were as follows: clarithromycin 72.44% antrum, 72.28% fundus; metronidazole 34.69% antrum, 42.16% fundus; levofloxacin 42.85% antrum, 53.01% fundus; moxifloxacin 37.35% antrum, 46.57% fundus; ciprofloxacin 39.47% antrum, 44.28% fundus; tetracycline 2.63% antrum, 2.85% fundus; amoxicillin 1.02% antrum, 1.20% fundus; ampicillin 0% antrum and fundus and rifabutin 0% antrum, 1.20% fundus. A total of 35 subjects harbored multi-resistant strains. CONCLUSIONS This study underlines the high rate of resistance to clarithromycin, metronidazole and quinolones, which may reflect an overuse of them. Culture and susceptibility test, should be performed to prevent the emergence of multi-resistance and to assess an efficacious regimen.
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Affiliation(s)
- Mara Di Giulio
- a Department of Pharmacy , University "G. d'Annunzio" Chieti-Pescara , Chieti , Italy
| | - Emanuela Di Campli
- a Department of Pharmacy , University "G. d'Annunzio" Chieti-Pescara , Chieti , Italy
| | - Soraya Di Bartolomeo
- a Department of Pharmacy , University "G. d'Annunzio" Chieti-Pescara , Chieti , Italy
| | - Valentina Cataldi
- a Department of Pharmacy , University "G. d'Annunzio" Chieti-Pescara , Chieti , Italy
| | - Leonardo Marzio
- b Digestive Physiopathology Unit, University "G. d'Annunzio" Chieti-Pescara, Pescara Civic Hospital , Italy
| | - Laurino Grossi
- b Digestive Physiopathology Unit, University "G. d'Annunzio" Chieti-Pescara, Pescara Civic Hospital , Italy
| | | | - Antonia Nostro
- c Department of Pharmaceutical Sciences and Health Products , University of Messina , Messina , Italy
| | - Luigina Cellini
- a Department of Pharmacy , University "G. d'Annunzio" Chieti-Pescara , Chieti , Italy
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Atkinson NSS, Braden B. Helicobacter Pylori Infection: Diagnostic Strategies in Primary Diagnosis and After Therapy. Dig Dis Sci 2016; 61:19-24. [PMID: 26391269 DOI: 10.1007/s10620-015-3877-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Accepted: 09/07/2015] [Indexed: 12/16/2022]
Abstract
Accurate diagnosis of Helicobacter pylori infection pre- and post-treatment is mandatory in the current era of decreasing prevalence and increasing antibiotic resistance. The diagnostic performance of most tests is poorer in clinical situations with low bacterial density which is seen in conditions such as atrophic gastritis or intake of antisecretory and antibiotic medications. Noninvasive tests require less cost and resource but provide excellent accuracy; however, endoscopy with testing of gastric biopsy specimens is indicated where alarming symptoms are present or antibiotic susceptibility testing by culture is desired. Newer modalities such as polymerase chain reaction testing provide additional virulence and antibiotic sensitivity profiling. This article outlines new developments and the key parameters of each test, as careful selection of test modality within the clinical context is required for adequate management of infected symptomatic patients.
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Affiliation(s)
- Nathan S S Atkinson
- Translational Gastroenterology Unit, Oxford University Hospitals NHS Trust, Headley Way, Oxford, OX3 9DU, UK
| | - Barbara Braden
- Translational Gastroenterology Unit, Oxford University Hospitals NHS Trust, Headley Way, Oxford, OX3 9DU, UK.
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Wang YK, Kuo FC, Liu CJ, Wu MC, Shih HY, Wang SSW, Wu JY, Kuo CH, Huang YK, Wu DC. Diagnosis of Helicobacter pylori infection: Current options and developments. World J Gastroenterol 2015; 21:11221-11235. [PMID: 26523098 PMCID: PMC4616200 DOI: 10.3748/wjg.v21.i40.11221] [Citation(s) in RCA: 225] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 08/06/2015] [Accepted: 09/28/2015] [Indexed: 02/06/2023] Open
Abstract
Accurate diagnosis of Helicobacter pylori (H. pylori) infection is a crucial part in the effective management of many gastroduodenal diseases. Several invasive and non-invasive diagnostic tests are available for the detection of H. pylori and each test has its usefulness and limitations in different clinical situations. Although none can be considered as a single gold standard in clinical practice, several techniques have been developed to give the more reliable results. Invasive tests are performed via endoscopic biopsy specimens and these tests include histology, culture, rapid urease test as well as molecular methods. Developments of endoscopic equipment also contribute to the real-time diagnosis of H. pylori during endoscopy. Urea breathing test and stool antigen test are most widely used non-invasive tests, whereas serology is useful in screening and epidemiological studies. Molecular methods have been used in variable specimens other than gastric mucosa. More than detection of H. pylori infection, several tests are introduced into the evaluation of virulence factors and antibiotic sensitivity of H. pylori, as well as screening precancerous lesions and gastric cancer. The aim of this article is to review the current options and novel developments of diagnostic tests and their applications in different clinical conditions or for specific purposes.
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Stable isotope labeling by amino acids in cell culture based proteomics reveals differences in protein abundances between spiral and coccoid forms of the gastric pathogen Helicobacter pylori. J Proteomics 2015; 126:34-45. [DOI: 10.1016/j.jprot.2015.05.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 04/20/2015] [Accepted: 05/11/2015] [Indexed: 02/07/2023]
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