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Spagnuolo R, Scarlata GGM, Paravati MR, Abenavoli L, Luzza F. Change in Diagnosis of Helicobacter pylori Infection in the Treatment-Failure Era. Antibiotics (Basel) 2024; 13:357. [PMID: 38667033 PMCID: PMC11047737 DOI: 10.3390/antibiotics13040357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/08/2024] [Accepted: 04/10/2024] [Indexed: 04/29/2024] Open
Abstract
Helicobacter pylori (H. pylori) infection is a prevalent global health issue, associated with several gastrointestinal disorders, including gastritis, peptic ulcers, and gastric cancer. The landscape of H. pylori treatment has evolved over the years, with increasing challenges due to antibiotic resistance and treatment failure. Traditional diagnostic methods, such as the urea breath test, stool antigen test, and endoscopy with biopsy, are commonly used in clinical practice. However, the emergence of antibiotic-resistant strains has led to a decline in treatment efficacy, necessitating a re-evaluation of common diagnostic tools. This narrative review aims to explore the possible changes in the diagnostic approach of H. pylori infection in the era of treatment failure. Molecular techniques, including polymerase chain reaction and whole genome sequencing, which have high sensitivity and specificity, allow the detection of genes associated with antibiotic resistance. On the other hand, culture isolation and a phenotypic antibiogram could be used in the diagnostic routine, although H. pylori is a fastidious bacterium. However, new molecular approaches are promising tools for detecting the pathogen and its resistance genes. In this regard, more real-life studies are needed to reveal new diagnostic tools suitable for identifying multidrug-resistant H. pylori strains and for outlining proper treatment.
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Affiliation(s)
| | | | | | | | - Francesco Luzza
- Department of Health Sciences, University “Magna Graecia”, 88100 Catanzaro, Italy; (R.S.); (G.G.M.S.); (M.R.P.); (L.A.)
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Metwally M, Ragab R, Abdel Hamid HS, Emara N, Elkholy H. Helicobacter pylori Antibiotic Resistance in Egypt: A Single-Center Study. Infect Drug Resist 2022; 15:5905-5913. [PMID: 36312439 PMCID: PMC9553238 DOI: 10.2147/idr.s386082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 09/28/2022] [Indexed: 11/05/2022] Open
Abstract
Purpose Helicobacter pylori (H. pylori) is the most common human bacterial infection worldwide, infecting approximately half of the world’s population. Although antibiotic use is indicated for H. pylori eradication, the recommended type of antibiotic varies from country to country according to the H. pylori resistance pattern; developing countries, such as Egypt, may have different patterns than developed countries. We evaluated the antibiotic resistance of H. pylori in Egypt. Methods This cross-sectional study included 134 adult patients with upper gastrointestinal (GI) complaints. Patients with a history of PPI during the last 2 weeks or antibiotics during the last 4 weeks before endoscopy were excluded. Upper GI endoscopies were performed and biopsies were collected for histopathology and H. pylori culture. Demographic, clinical, and endoscopic data were also collected. Antimicrobial susceptibility testing for H. pylori was performed for nine therapeutically relevant antibiotics using the Kirby–Bauer disc diffusion method. Results The H. pylori antibiotic resistance rates were as follows: moxifloxacin, 10%; doxycycline, 15%; levofloxacin, 20%; clarithromycin, 40%; azithromycin, 40%; erythromycin, 65%; rifampicin, 90%; amoxicillin, 95%; and metronidazole, 100%. Dual resistance rates were 40% for amoxicillin/clarithromycin, 40% for metronidazole/clarithromycin, and 95% for amoxicillin/metronidazole. Conclusion In Egyptian patients, H. pylori had >90% resistance to metronidazole and amoxicillin; modest resistance to erythromycin, azithromycin, and clarithromycin; and low resistance to moxifloxacin, and levofloxacin (≤20%). Dual resistance was high for amoxicillin/clarithromycin and amoxicillin/metronidazole, which prefers using quinolones rather than clarithromycin or metronidazole for first-line treatment of H. pylori in Egypt.
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Affiliation(s)
- Mohamed Metwally
- Department of Hepatology, Gastroenterology and Infectious Diseases, Faculty of Medicine, Benha University, Benha, Qualubia, Egypt,Correspondence: Mohamed Metwally, Hepatology, Gastroenterology, and Infectious Diseases Department, Benha University Hospital, PO Pox: 31518, Benha, Qualubia, Egypt, Tel +02 0106-4917959, Fax +02 013-3228631, Email
| | - Raghda Ragab
- Department of Hepatology, Gastroenterology and Infectious Diseases, Faculty of Medicine, Benha University, Benha, Qualubia, Egypt
| | - Hasnaa S Abdel Hamid
- Department of Microbiology and Immunology, Faculty of Medicine, Benha University, Benha, Qualubia, Egypt
| | - Nashwa Emara
- Department of Histopathology, Faculty of Medicine, Benha University, Benha, Qualubia, Egypt
| | - Hany Elkholy
- Department of Hepatology, Gastroenterology and Infectious Diseases, Faculty of Medicine, Benha University, Benha, Qualubia, Egypt
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Sampath G, Govarthanan M, K S, N P, Rameshkumar N, Krishnan M, Nagarajan K. Isolation and identification of metronidazole resistance Helicobacter pylori from gastric patients in the southeastern region of India and its advanced antibacterial treatment using biological silver oxide nanoparticles. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Mori D, John JL, Sabri SIB, Shaharom SMB, Iha H, Yamaoka Y, Matsumoto T, Ahmed K. Seroepidemiological survey of the prevalence of Helicobacter pylori infection in Sabah, Malaysia. IJID REGIONS 2022; 2:126-129. [PMID: 35757073 PMCID: PMC9216690 DOI: 10.1016/j.ijregi.2021.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 12/23/2021] [Accepted: 12/26/2021] [Indexed: 12/24/2022]
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Hallur V, Panigrahi M, Sable M, Ghosh M, Mohanty S, Purkait S, Praharaj A. Low clarithromycin resistance in virulent Helicobacter pylori from dyspeptic patients at a tertiary care centre in Odisha. Indian J Med Microbiol 2022; 40:211-216. [DOI: 10.1016/j.ijmmb.2022.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 02/01/2022] [Accepted: 02/26/2022] [Indexed: 11/05/2022]
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Miftahussurur M, Waskito LA, Fauzia KA, Mahmudah I, Doohan D, Adnyana IK, Khomsan A, Ratnasari N, Rezkitha YAA. Overview of Helicobacter pylori Infection in Indonesia: What Distinguishes It from Countries with High Gastric Cancer Incidence? Gut Liver 2021; 15:653-665. [PMID: 32616679 PMCID: PMC8444112 DOI: 10.5009/gnl20019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 04/07/2020] [Accepted: 04/09/2020] [Indexed: 12/11/2022] Open
Abstract
Helicobacterpylori infects more than half the human population. However, the prevalence in Indonesia is low, as is the prevalence of gastric cancer. Hence, it could be instructive to compare these prevalence rates and their determining factors with those of countries that have high gastric cancer incidence. Ethnicity and genetic characteristics of H. pylori are important determinants of the H. pylori infection rate in Indonesia. The infection rate is higher in Bataknese, Papuans and Buginese than in Javanese, the predominant ethnic group. Ethnicity is also an important determinant of the genetic characteristics of H. pylori. Analysis of CagA in the EPIYA segment showed that the predominant genotypes in Papuans, Bataknese and Buginese are ABB-, ABD- and ABC-type CagA, respectively. Meanwhile, in the countries with high gastric cancer incidence, almost all strains had East Asian type CagA. An antibiotic susceptibility evaluation showed that the standard triple therapy can still be used with caution in several cities. There is a very high rate of resistance to second-line regimens such as levofloxacin and metronidazole. Recent studies have shown that furazolidone, rifabutin and sitafloxacin are potential alternative treatments for antibiotic-resistant H. pylori infection in Indonesia. Rather than focusing on early detection and eradication as in countries with high gastric cancer prevalence, countries with low gastric cancer prevalence should focus on screening the several groups that have a high risk of gastric cancer. (Gut Liver 2021;15:-665)
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Affiliation(s)
- Muhammad Miftahussurur
- Division of Gastroentero-Hepatology, Department of Internal Medicine, Faculty of Medicine-Dr. Soetomo Teaching Hospital, Universitas Airlangga, Surabaya, Indonesia.,Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia
| | | | | | - Isna Mahmudah
- Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia
| | - Dalla Doohan
- Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia
| | - I Ketut Adnyana
- Department of Pharmacology and Clinical Pharmacy, School of Pharmacy, Institut Teknologi Bandung, Bandung, Indonesia
| | - Ali Khomsan
- Department of Community Nutrition, Faculty of Human Ecology, IPB University, Bogor, Indonesia
| | - Neneng Ratnasari
- Department of Internal Medicine, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada-Dr. Sardjito Hospital, Yogyakarta, Indonesia
| | - Yudith Annisa Ayu Rezkitha
- Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia.,Faculty of Medicine, Muhammadiyah University of Surabaya, Surabaya, Indonesia
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Shah SC, Canakis A, Peek RM, Saumoy M. Endoscopy for Gastric Cancer Screening Is Cost Effective for Asian Americans in the United States. Clin Gastroenterol Hepatol 2020; 18:3026-3039. [PMID: 32707341 PMCID: PMC8240027 DOI: 10.1016/j.cgh.2020.07.031] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 07/01/2020] [Accepted: 07/14/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Endoscopic screening for gastric cancer is routine in some countries with high incidence and is associated with reduced gastric cancer-related mortality. Immigrants from countries of high incidence to low incidence of gastric cancer retain their elevated risk, but no screening recommendations have been made for these groups in the United States. We aimed to determine the cost effectiveness of different endoscopic screening strategies for noncardia gastric cancer, compared with no screening, among Chinese, Filipino, Southeast Asian, Vietnamese, Korean, and Japanese Americans. METHODS We generated a decision-analytic Markov model to simulate a cohort of asymptomatic 50-year-old Asian Americans. The cost effectiveness of 2 distinct strategies for endoscopic gastric cancer screening was compared with no screening for each group, stratified by sex. Outcome measures were reported in incremental cost-effectiveness ratios (ICERs), with a willingness-to-pay threshold of $100,000/quality-adjusted life-year (QALY). Extensive sensitivity analyses were performed. RESULTS Compared with performing no endoscopic gastric cancer screening, performing a 1-time upper endoscopy with biopsies, with continued endoscopic surveillance if gastric intestinal metaplasia was identified, was cost effective, whereas performing ongoing biennial endoscopies, even for patients with normal findings from endoscopy and histopathology, was not. The lowest ICERs were observed for Chinese, Japanese, and Korean Americans (all <$73,748/QALY). CONCLUSIONS Endoscopic screening for gastric cancer with ongoing surveillance of gastric preneoplasia is cost effective for Asian Americans ages 50 years or older in the United States. The lowest ICERs were for Chinese, Japanese, and Korean Americans (all <$73,748/QALY).
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Affiliation(s)
- Shailja C Shah
- Division of Gastroenterology, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.
| | - Andrew Canakis
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Richard M Peek
- Division of Gastroenterology, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Monica Saumoy
- Division of Gastroenterology, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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Miftahussurur M. Noninvasive Helicobacter pylori Diagnostic Methods in Indonesia. Gut Liver 2020; 14:553-559. [PMID: 31693853 PMCID: PMC7492493 DOI: 10.5009/gnl19264] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 10/04/2019] [Accepted: 10/06/2019] [Indexed: 12/13/2022] Open
Abstract
Although the prevalence of Helicobacter pylori infection in Indonesia is lower than that in other countries, H. pylori is still an essential pathogen associated with severe gastric mucosal damage and dyspeptic symptoms. Invasive diagnostic methods are not ideal due to the lack of endoscopic centers and high costs without full coverage by social insurance. Among the noninvasive methods, the urea breath test is widely available in Indonesia and has been suggested as the primary option to ensure the successful eradication of H. pylori. There has been no local validation for the urea breath test utilizing 13C or 14C. The stool antigen test is inexpensive and suitable for use in active infections before and after eradication; however, customs and habits are obstacles to delivering fresh stool on time. Only polyclonal antibodies and qualitative stool antigen test kits with low sensitivity are available. Serology is a widely validated method and has good accuracy, but it cannot distinguish between active and inactive infections. According to our observations, serology is the main choice of experts and patients, as it is simple, inexpensive and widely known. The urine test is an alternative for reducing costs and endoscopic workload, with high accuracy but low sensitivity. Further studies are necessary to prove the validity of the urine test to be used throughout Indonesia, especially in areas with a low prevalence of H. pylori infection. In conclusion, the validated urea breath test and the stool antigen test are considered noninvasive practical approaches for the detection of H. pylori infection in Indonesia, with serological and urine tests as alternatives.
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Affiliation(s)
- Muhammad Miftahussurur
- Division of Gastroentero-Hepatology, Department of Internal Medicine, Faculty of Medicine Universitas Airlangga, Surabaya, Indonesia.,Institute of Tropical Disease, Universitas Airlangga, Surabaya, Indonesia
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Milani M, Moaddab Y, Sharifi Y. One piece biopsy for both rapid urease test and cultivation of Helicobacter pylori. J Microbiol Methods 2019; 164:105674. [PMID: 31348953 DOI: 10.1016/j.mimet.2019.105674] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 07/22/2019] [Accepted: 07/22/2019] [Indexed: 01/03/2023]
Abstract
BACKGROUND & AIMS Increasing antibiotic resistance among Helicobacter pylori isolates and the unsuccessful attempts at eradication can impose many costs to both healthcare systems and patients. The present study intended to find a way from which H. pylori could be isolated from biopsies with less invasive procedures undertaken on infected patients. METHODS A biopsy specimen from each patient with gastric disorders was put into urea-containing agar. After two hours, the specimens were removed from agar and placed into tubes containing 1 ml 20% glucose solution. Then, the specimens were inoculated onto the Columbia agar and incubated under microaerophilic conditions. The grown colonies were identified as H.pylori based on the microbiology tests and PCR. RESULTS Overall, 449 biopsy specimens were collected from the patients. Of all biopsies, 219 (48.8%) revealed positive results in the rapid urease test. Using the aforementioned method, 158 (35.2%) culture positive biopsy specimens were obtained. CONCLUSION The researchers attempted to use one biopsy specimen for both rapid urease and culture tests. This method causes fewer injuries of gastric tissue and allows antimicrobial susceptibility testing and characterization in detail of the isolated organism.
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Affiliation(s)
- Morteza Milani
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Science, Tabriz, Iran; Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Medical University of Tabriz, Tabriz, Iran
| | - Yaghuob Moaddab
- Liver and Gastrointestinal disease research center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yaeghob Sharifi
- Department of Microbiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran; Cellular and molecular research center, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran.
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Wani FA, Bashir G, Khan MA, Zargar SA, Rasool Z, Qadri Q. Antibiotic resistance in Helicobacter pylori: A mutational analysis from a tertiary care hospital in Kashmir, India. Indian J Med Microbiol 2018; 36:265-272. [PMID: 30084422 DOI: 10.4103/ijmm.ijmm_18_19] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Background Helicobacter pylori infection is recognised as type 1 carcinogen by the International Agency of Research on Cancer. Previous studies in our hospital have revealed high prevalence of H. pylori in our population with a high recurrence rate after completion of treatment. This prompted us to undertake this study. Aim This study aimed to determine common gene mutations leading to resistance to clarithromycin, metronidazole, tetracycline and quinolones in H. pylori in patients attending our hospital. Settings and Design This is a cross-sectional hospital-based study. The study was approved by the Institutional Ethics Committee. Materials and Methods This study was conducted on 196 adult dyspeptic patients with an indication for upper gastrointestinal endoscopy. Gastric biopsies collected from them were subjected to histopathological examination, rapid urease test (RUT) and culture. Of the 196 patients, 95 met the inclusion criteria. Drug susceptibility testing (DST) by various polymerase chain reaction-based methods was done for 47 RUT-positive biopsies and 13 H. pylori isolates. Results Maximum resistance was seen to metronidazole (81.66%) followed by clarithromycin (45%) and quinolones (3.33%). No high-level resistance was seen to tetracycline. In clarithromycin-resistant cases, A2142G mutation was more prevalent than A2143G mutation. Multidrug resistance (resistance to metronidazole and clarithromycin) was seen in 41.66% of patients. Conclusions Tetracycline and quinolones could be the antibiotics of choice in the eradication of H. pylori in this region, while recurrence of the infection with H. pylori could be expected among patients receiving either metronidazole or clarithromycin, for eradication therapy. DST should be done on a routine basis utilising both phenotypic and genotypic methods to prevent further emergence of resistance in this region.
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Affiliation(s)
- Fayaz Ahmad Wani
- Department of Medicine, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Gulnaz Bashir
- Department of Microbiology, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Mushtaq Ahmad Khan
- Department of Gastroenterology, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Showkat Ali Zargar
- Department of Gastroenterology, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Zubaida Rasool
- Department of Pathology, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
| | - Qurteeba Qadri
- Department of Immunology and Molecular Medicine, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India
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Jin H, Pinheiro PS, Xu J, Amei A. Cancer incidence among Asian American populations in the United States, 2009-2011. Int J Cancer 2016; 138:2136-45. [PMID: 26661680 PMCID: PMC5283572 DOI: 10.1002/ijc.29958] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Accepted: 12/07/2015] [Indexed: 12/11/2022]
Abstract
Cancer incidence disparities exist among specific Asian American populations. However, the existing reports exclude data from large metropoles like Chicago, Houston and New York. Moreover, incidence rates by subgroup have been underestimated due to the exclusion of Asians with unknown subgroup. Cancer incidence data for 2009 to 2011 for eight states accounting for 68% of the Asian American population were analyzed. Race for cases with unknown subgroup was imputed using stratified proportion models by sex, age, cancer site and geographic regions. Age-standardized incidence rates were calculated for 17 cancer sites for the six largest Asian subgroups. Our analysis comprised 90,709 Asian and 1,327,727 non-Hispanic white cancer cases. Asian Americans had significantly lower overall cancer incidence rates than non-Hispanic whites (336.5 per 100,000 and 541.9 for men, 299.6 and 449.3 for women, respectively). Among specific Asian subgroups, Filipino men (377.4) and Japanese women (342.7) had the highest overall incidence rates while South Asian men (297.7) and Korean women (275.9) had the lowest. In comparison to non-Hispanic whites and other Asian subgroups, significantly higher risks were observed for colorectal cancer among Japanese, stomach cancer among Koreans, nasopharyngeal cancer among Chinese, thyroid cancer among Filipinos, and liver cancer among Vietnamese. South Asians had remarkably low lung cancer risk. Overall, Asian Americans have a lower cancer risk than non-Hispanic whites, except for nasopharyngeal, liver and stomach cancers. The unique portrayal of cancer incidence patterns among specific Asian subgroups in this study provides a new baseline for future cancer surveillance research and health policy.
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Affiliation(s)
- Hongbin Jin
- Epidemiology and Biostatistics, Department of Environmental and
Occupational Health, School of Community Health Sciences, University of Nevada, Las
Vegas
| | - Paulo S. Pinheiro
- Epidemiology and Biostatistics, Department of Environmental and
Occupational Health, School of Community Health Sciences, University of Nevada, Las
Vegas
| | - Jianbo Xu
- Department of Mathematical Sciences, University of Nevada, Las Vegas
| | - Amei Amei
- Department of Mathematical Sciences, University of Nevada, Las Vegas
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Thung I, Aramin H, Vavinskaya V, Gupta S, Park JY, Crowe SE, Valasek MA. Review article: the global emergence of Helicobacter pylori antibiotic resistance. Aliment Pharmacol Ther 2016; 43:514-33. [PMID: 26694080 PMCID: PMC5064663 DOI: 10.1111/apt.13497] [Citation(s) in RCA: 486] [Impact Index Per Article: 60.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Revised: 05/04/2015] [Accepted: 11/19/2015] [Indexed: 02/06/2023]
Abstract
BACKGROUND Helicobacter pylori is one of the most prevalent global pathogens and can lead to gastrointestinal disease including peptic ulcers, gastric marginal zone lymphoma and gastric carcinoma. AIM To review recent trends in H. pylori antibiotic resistance rates, and to discuss diagnostics and treatment paradigms. METHODS A PubMed literature search using the following keywords: Helicobacter pylori, antibiotic resistance, clarithromycin, levofloxacin, metronidazole, prevalence, susceptibility testing. RESULTS The prevalence of bacterial antibiotic resistance is regionally variable and appears to be markedly increasing with time in many countries. Concordantly, the antimicrobial eradication rate of H. pylori has been declining globally. In particular, clarithromycin resistance has been rapidly increasing in many countries over the past decade, with rates as high as approximately 30% in Japan and Italy, 50% in China and 40% in Turkey; whereas resistance rates are much lower in Sweden and Taiwan, at approximately 15%; there are limited data in the USA. Other antibiotics show similar trends, although less pronounced. CONCLUSIONS Since the choice of empiric therapies should be predicated on accurate information regarding antibiotic resistance rates, there is a critical need for determination of current rates at a local scale, and perhaps in individual patients. Such information would not only guide selection of appropriate empiric antibiotic therapy but also inform the development of better methods to identify H. pylori antibiotic resistance at diagnosis. Patient-specific tailoring of effective antibiotic treatment strategies may lead to reduced treatment failures and less antibiotic resistance.
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Affiliation(s)
- I. Thung
- Division of Anatomic PathologyDepartment of PathologyUniversity of California San Diego Medical CenterSan DiegoCAUSA
| | - H. Aramin
- Division of Anatomic PathologyDepartment of PathologyUniversity of California San Diego Medical CenterSan DiegoCAUSA
| | - V. Vavinskaya
- Division of Anatomic PathologyDepartment of PathologyUniversity of California San Diego Medical CenterSan DiegoCAUSA
| | - S. Gupta
- Division of GastroenterologyDepartment of MedicineUniversity of California San Diego Medical CenterLa JollaCAUSA
| | - J. Y. Park
- Department of Pathology and the Eugene McDermott Center for Human Growth and DevelopmentUniversity of Texas Southwestern Medical Center and Children's Medical CenterDallasTXUSA
| | - S. E. Crowe
- Division of GastroenterologyDepartment of MedicineUniversity of California San Diego Medical CenterLa JollaCAUSA
| | - M. A. Valasek
- Division of Anatomic PathologyDepartment of PathologyUniversity of California San Diego Medical CenterSan DiegoCAUSA
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Risk Factors and Prevalence of Helicobacter pylori in Five Largest Islands of Indonesia: A Preliminary Study. PLoS One 2015; 10:e0140186. [PMID: 26599790 PMCID: PMC4658100 DOI: 10.1371/journal.pone.0140186] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Accepted: 09/22/2015] [Indexed: 02/05/2023] Open
Abstract
The prevalence of Helicobacter pylori infection in Indonesia is still controversial and mainly investigated in the largest ethnic group, Javanese. We examined the prevalence of H. pylori infection using four different tests including culture, histology confirmed by immunohistochemistry and rapid urease test. We also analyzed risk factors associated with H. pylori infection in five largest islands in Indonesia. From January 2014–February 2015 we consecutively recruited a total of 267 patients with dyspeptic symptoms in Java, Papua, Sulawesi, Borneo and Sumatera Island. Overall, the prevalence of H. pylori infection was 22.1% (59/267). Papuan, Batak and Buginese ethnics had higher risk for H. pylori infection than Javanese, Dayak and Chinese ethnics (OR = 30.57, 6.31, 4.95; OR = 28.39, 5.81, 4.61 and OR = 23.23, 4.76, 3.77, respectively, P <0.05). The sensitivity and specificity for RUT and culture were 90.2%, 92.9% and 80.5%, 98.2%, respectively. The patients aged 50–59 years group had significantly higher H. pylori infection than 30–39 years group (OR 2.98, P = 0.05). Protestant had significantly higher H. pylori infection rate than that among Catholic (OR 4.42, P = 0.008). It was also significantly lower among peoples who used tap water as source of drinking water than from Wells/river (OR 9.67, P = 0.03). However only ethnics as become independent risk factors for H. pylori infection. Although we confirmed low prevalence of H. pylori in Javanese; predominant ethnic in Indonesia, several ethnic groups had higher risk of H. pylori infection. The age, religion and water source may implicate as a risk factor for H. pylori infection in Indonesia.
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Pandya HB, Agravat HH, Patel JS, Sodagar NRK. Emerging antimicrobial resistance pattern of Helicobacter pylori in central Gujarat. Indian J Med Microbiol 2015; 32:408-13. [PMID: 25297026 DOI: 10.4103/0255-0857.142256] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Antimicrobial resistance is a growing problem in H. pylori treatment. The study was intended to evaluate the prevalence of resistance amongst 80 H.pylori isolates cultured from biopsy taken during routine endoscopies in 2008-2011. MATERIALS AND METHODS 855 gastro duodenal biopsies were collected and cultured on H.pylori selective medium (containing Brucella agar and Columbia agar (Hi media), with Skirrow's supplement (antibiotic supplement) and 7% human blood cells). H.pylori was isolated from 80 specimens. The antimicrobial susceptibility of H.pylori isolates was carried out by the Kirby Bauer technique against metronidazole (5 µg), clarithromycin (15 µg), ciprofloxacin (5 µg), amoxicillin (10 µg), tetracycline (30 µg), erythromycin (15 µg), levofloxacin (5 µg), and furazolidone (50 µg) (Sigma- Aldrich, MO). RESULTS 83.8% isolates were resistant to metronidazole, 58.8% were resistant to Clarithromycin 72.5% were resistant to Amoxicillin, 50% to Ciprofloxacin and 53.8% to tetracycline. furazolidone, erythromycin and Levofloxacin showed only 13.8% resistance to H.pylori. Multi drug resistance with metronidazole+clarithromycin+tetracycline was 85%. For all the drugs Antimicrobial resistance rate was found higher in males compare to females. Metronidazole and amoxicillin resistance was found noteworthy in patients with duodenal ulcer (p=0.018), gastritis (P=0.00), and in reflux esophagitis (P=0.00). clarithromycin and tetracycline resistance was suggestively linked with duodenitis (P=0.018), while furazolidone, erythromycin and levofloxacin showed excellent sensitivity in patients with duodenitis (P value--0.018), gastritis (P=0.00) and reflux esophagitis (P=0.00). Resistance with metronidazole (P=0.481), clarithromycin (P=0.261), amoxicillin (P=0.276), tetracycline (P=0.356), ciprofloxacin (P=0.164) was not correlated well with Age-group and Gender of the patients. CONCLUSION A very high percentage of patients were infected with metronidazole and clarithromycin resistant strains. The use of antibiotics for other indications seems to be the major risk factor for the development of primary resistance. High incidence should alarm the gastroenterologist while prescribing the eradication regimen.
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Affiliation(s)
- H B Pandya
- Assistant Professor, , Shree? Purshottamdas Moti Bhai Patel. Patel College of Paramedical Science and Technology, Anand, Surendranagar, India
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Miftahussurur M, Tuda J, Suzuki R, Kido Y, Kawamoto F, Matsuda M, Tantular IS, Pusarawati S, Nasronudin, Harijanto PN, Yamaoka Y. Extremely low Helicobacter pylori prevalence in North Sulawesi, Indonesia and identification of a Maori-tribe type strain: a cross sectional study. Gut Pathog 2014; 6:42. [PMID: 25299127 PMCID: PMC4189669 DOI: 10.1186/s13099-014-0042-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2014] [Accepted: 09/24/2014] [Indexed: 02/06/2023] Open
Abstract
Background Sulawesi in Indonesia has a unique geographical profile with assumed separation from Sundaland. Studies of Helicobacter pylori in this region are rare due to the region’s rural location and lack of endoscopy equipment. Indirect methods are, therefore, the most appropriate for measuring H. pylori infection in these areas; with the disposable gastric brush test, we can obtain gastric juice as well as small gastric tissue samples for H. pylori culture. We investigated the prevalence of H. pylori infection and evaluated human migration patterns in the remote areas of North Sulawesi. Methods We recruited a total of 251 consecutive adult volunteers and 131 elementary school children. H. pylori infection was determined by urine antibody test. A gastric brush test was used to culture H. pylori. We used next-generation and polymerase chain reaction based sequencing to determine virulence factors and multi-locus sequence typing (MLST). Results The overall H. pylori prevalence was only 14.3% for adults and 3.8% for children, and 13.6% and 16.7% in Minahasanese and Mongondownese participants, respectively. We isolated a single H. pylori strain, termed -Manado-1. Manado-1 was East Asian type cagA (ABD type), vacA s1c-m1b, iceA1 positive/iceA2 negative, jhp0562-positive/β-(1,3) galT-negative, oipA “on”, and dupA-negative. Phylogenetic analyses showed the strain to be hspMaori type, a major type observed in native Taiwanese and Maori tribes. Conclusions Our data support that very low H. pylori infection prevalence in Indonesia. Identification of hspMaori type H. pylori in North Sulawesi may support the hypothesis that North Sulawesi people migrated from north.
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Affiliation(s)
- Muhammad Miftahussurur
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-machi, Yufu-City, Oita 879-5593 Japan ; Gastroentero-Hepatology Division, Department of Internal Medicine, Airlangga University Faculty of Medicine, Surabaya, 60131 Indonesia ; Institute of Tropical Disease, Airlangga University, Surabaya, 60115 Indonesia
| | - Josef Tuda
- Department of Parasitology, Faculty of Medicine, Sam Ratulangi University, Manado, 95115 Indonesia
| | - Rumiko Suzuki
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-machi, Yufu-City, Oita 879-5593 Japan
| | - Yasutoshi Kido
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-machi, Yufu-City, Oita 879-5593 Japan
| | - Fumihiko Kawamoto
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-machi, Yufu-City, Oita 879-5593 Japan
| | - Miyuki Matsuda
- Department of Environmental and Preventive Medicine, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama-machi, Yufu-City, Oita 879-5593 Japan
| | - Indah S Tantular
- Institute of Tropical Disease, Airlangga University, Surabaya, 60115 Indonesia
| | - Suhintam Pusarawati
- Institute of Tropical Disease, Airlangga University, Surabaya, 60115 Indonesia
| | - Nasronudin
- Institute of Tropical Disease, Airlangga University, Surabaya, 60115 Indonesia
| | - Paul N Harijanto
- Department of Internal Medicine, Public Hospital of Bethesda Tomohon, Minahasa, 93562 Indonesia
| | - Yoshio Yamaoka
- Department of Medicine-Gastroenterology, Baylor College of Medicine and Michael E. Debakey Veterans Affairs Medical Center, 2002 Holcombe Blvd, Houston, Texas 77030 USA
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16
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Picoli SU, Mazzoleni LE, Fernández H, De Bona LR, Neuhauss E, Longo L, Prolla JC. Resistance to amoxicillin, clarithromycin and ciprofloxacin of Helicobacter pylori isolated from Southern Brazil patients. Rev Inst Med Trop Sao Paulo 2014; 56:197-200. [PMID: 24878996 PMCID: PMC4085860 DOI: 10.1590/s0036-46652014000300003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Accepted: 10/17/2013] [Indexed: 01/14/2023] Open
Abstract
Introduction:Helicobacter pylori is a bacteria which infects half the world
population and is an important cause of gastric cancer. The eradication therapy is
not always effective because resistance to antimicrobials may occur. The aim of this
study was to determine the susceptibility profile of H. pylori to
amoxicillin, clarithromycin and ciprofloxacin in the population of Southern
Brazil. Material and methods: Fifty four samples of H. pylori
were evaluated. The antibiotics susceptibility was determined according to the
guidelines of the British Society for Antimicrobial Chemotherapy and the Comité de
l'Antibiogramme de la Société Française de Microbiologie. Results: Six (11.1%) H. pylori isolates were resistant
to clarithromycin, one (1.9%) to amoxicillin and three (5.5%) to ciprofloxacin. These
indices of resistance are considered satisfactory and show that all of these
antibiotics can be used in the empirical therapy. Conclusion: The antibiotics amoxicillin and clarithromycin are still a
good option for first line anti-H. pylori treatment in the
population of Southern Brazil.
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Affiliation(s)
| | | | - Heriberto Fernández
- Institute of Clinical Microbiology, School of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Laura Renata De Bona
- Hospital de Clínicas de Porto Alegre, Service of Gastroenterology, Porto Alegre, RS, Brazil
| | - Erli Neuhauss
- Centro Universitário Metodista, Porto Alegre, RS, Brazil
| | - Larisse Longo
- Hospital de Clínicas de Porto Alegre, Service of Gastroenterology, Porto Alegre, RS, Brazil
| | - João Carlos Prolla
- Programa de Pós-Graduação em Gastroenterologia e Hepatologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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Pandya HB, Patel JS, Agravat HH, Singh NKR. Non-Invasive Diagnosis of Helicobacter pylori: Evaluation of Two Enzyme Immunoassays, Testing Serum IgG and IgA Response in the Anand District of Central Gujarat,India. J Clin Diagn Res 2014; 8:DC12-5. [PMID: 25120979 DOI: 10.7860/jcdr/2014/7578.4480] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Accepted: 03/12/2014] [Indexed: 01/25/2023]
Abstract
CONTEXT Validation of an accurate and less cumbersome noninvasive method to detect current Helicobacter pylori infection is a requisite for any laboratory. OBJECTIVES The purpose of this study is to corroborate the usefulness of two commercially available kits NovaTec ELISA-A and ELISA-G, in the detection of ongoing H.pylori infection. MATERIALS AND METHODS Two hundred and twenty eight consecutive serum samples of symptomatic patients who attended the endoscopy unit of "Deep" surgical hospital, Anand, which were collected during the period from 27th February 2008 to 31st august 2011, were studied. The sera were processed and tested for the detection of the H.pylori IgG and IgA antibody by using a solid phase; capture micro well ELISA, procured from Nova Tec immunodiagnostica GmbH Germany. RESULTS IgG ELISA showed 100% sensitivity and Negative predictive value (NPV), while IgA ELISA was better in terms of specificity (61.4%) and accuracy (63%) as compared to IgG ELISA. We found 7% (16/228) of IgA positive cases with IgG negative response. IgG response was more common in reflux esophagitis patients (OR 1.451, 95%CI-0.850-2.477) and then in gastritis (OR 0.962, 95%CI-0.570-1.621) and duodenitis(OR-0.806, 95%CI-0.112-5.827), while IgA positive response was more common in duodenitis patients (OR-1.383, 95%CI-0.191-9.995) and reflux esophagitis patients (OR 1.289, 95% CI-0.756-2.197) and least in duodenal ulcer patients (OR 0.670, 95%CI-0.222-2.029). CONCLUSION IgG update is reliable and accurate test and can be expedient as a screening test and thus serve as an alternative to endoscopy. For the purpose of excluding infection with H.pylori, the performance of IgG is moderate (low specificity) but can be improved by conjunctional IgA testing which will offer some additional diagnostic value.
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Affiliation(s)
- Himani Bhardwaj Pandya
- Assistant Professor, Department of Microbiology, Shree P. M. Patel College of Paramedical Science and Technology , Anand, Gujarat, India
| | - Jagdish Shantilal Patel
- Head of the Department, Department of Biochemistry, P.D. Patel Institute of Applied Sciences, Charotar University of Science and Technology (CHARUSAT) , Changa, Gujarat, India
| | | | - Navneet Kumar Ramdayal Singh
- Assistant Professor (Medical Microbiology), Department of Microbiology, Shree P. M. Patel College of Paramedical Science and Technology , Anand, Gujarat, India
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Prevalence of Resistance of Helicobacter pylori Strains to Selected Antibiotics in Isfahan, Iran. Jundishapur J Microbiol 2013. [DOI: 10.5812/jjm.6342] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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Abdulqawi K, El-Mahalaway AM, Abdelhameed A, Abdelwahab AA. Correlation of serum antibody titres with invasive methods for rapid detection of Helicobacter pylori infections in symptomatic children. Int J Exp Pathol 2012; 93:295-304. [PMID: 22804766 DOI: 10.1111/j.1365-2613.2012.00831.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Helicobacter pylori (H. pylori) is causally associated with peptic ulcer disease and gastric carcinoma. Typically, children get infected during the first decade of life, but diseases associated with H. pylori are seen mainly in adults. Multiple diagnostic methods are available for the detection of H. pylori infection. The aim of this study was to evaluate the correlation and diagnostic accuracy of three invasive methods [rapid urease test (RUT), histology and bacterial culture] and one non-invasive method (IgG serology) for diagnosis of H. pylori infection in a prospective cohort study conducted on 50 symptomatic children between two and eighteen years of age. Endoscopies with gastric biopsies were performed for RUT, culture and histopathological examination, respectively. IgG antibodies were measured in patient sera using a commercially available enzyme-linked immunosorbent assay (ELISA). RUT and positive H. pylori IgG antibodies were concordant in 88% (44/50) of patients. Both tests were negative in 32% (16/50), and both were positive in 56% (28/50). Disagreement occurred in 12% (6/50) of the patients: three of them (6%) had positive RUT and negative H. pylori IgG, and another three (6%) had negative RUT and positive H. pylori IgG. A combination of RUT with non-invasive serology constituted the optimum approach to the diagnosis of H. pylori infection in symptomatic children. The non-invasive serological test (ELISA) could not be used alone as the gold standard because it cannot distinguish between active and recently treated infection; and bacterial culture could not be used alone because of its low sensitivity.
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Affiliation(s)
- Khaled Abdulqawi
- Department of Pediatrics, Benha Faculty of Medicine, Benha University, Benha, Egypt.
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Cortes MCC, Yamakawa A, Casingal CR, Fajardo LSN, Juan MLG, De Guzman BB, Bondoc EM, Mahachai V, Yamazaki Y, Yoshida M, Kutsumi H, Natividad FF, Azuma T. Diversity of the cagA gene of Helicobacter pylori strains from patients with gastroduodenal diseases in the Philippines. ACTA ACUST UNITED AC 2010; 60:90-7. [DOI: 10.1111/j.1574-695x.2010.00722.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Kohanteb J, Bazargani A, Saberi-Firoozi M, Mobasser A. ANTIMICROBIAL SUSCEPTIBILITY TESTING OF HELICOBACTER PYLORI TO SELECTED AGENTS BY AGAR DILUTION METHOD IN SHIRAZ-IRAN. Indian J Med Microbiol 2007. [DOI: 10.1016/s0255-0857(21)02054-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Abstract
A large number of studies on diagnostic tests have been published this year. New tests were proposed for the detection of Helicobacter pylori antigens in stools and new molecular methods (real-time polymerase chain reaction) to look for antimicrobial susceptibility. The other standard tests have been applied in different situations to improve the diagnosis of the infection.
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Affiliation(s)
- Karen A Krogfelt
- Department of Gastrointestinal Infections, Statens Serum Institut, Copenhagen, Denmark
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