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Esfandiari Z, Shoaei P, Vakili B, Farajzadegan Z, Tarrahi MJ, Emami Z, Fakhri Y, Weese JS, Mahmudiono T. Prevalence and Antibiotic Resistance of Clostridioides ( Clostridium difficile) In Meat and Meat Products: A Systematic Review and Meta-Analysis. IRANIAN JOURNAL OF PUBLIC HEALTH 2023; 52:2516-2527. [PMID: 38435778 PMCID: PMC10903320 DOI: 10.18502/ijph.v52i12.14313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 06/19/2023] [Indexed: 03/05/2024]
Abstract
Background Meat and meat products are introduced as one of the frequent sources of Clostridioides difficile. We aimed to determine the prevalence and antibiotic resistance of C. difficile isolates in meat and meat products using a systematic review and meta-analysis. Methods A literature search was performed in the primary international and bibliographic databases such as MEDLINE (PubMed), Cochrane Library, Embase, Scopus, and Web of Science to achieve all articles related to the prevalence and antibiotic resistance rates from 2007 to 2022. Results The 278 retrieved articles were reduced to 54 worldwide eligible studies after screening and matching inclusion/exclusion criteria. C. difficile was examined in different types of samples and its resistance to 10 antibiotics. The pooled prevalence of C. difficile was 3.4% in all samples. C. difficile pooled prevalence was detected in fish, poultry, and red meat groups with 6.9%, 5.2%, and 3.2%, respectively. Regarding antibiotic resistance, the highest pooled prevalence was for ciprofloxacin (86.6%), followed by clindamycin (42.6%) and erythromycin (34%). The lowest pooled prevalence was observed in metronidazole (7.6%), vancomycin (6.6%), and chloramphenicol (6%). Conclusion Low resistance was found to commonly used drugs for C. difficile infection (CDI) treatment. Since each antibiotic can be predisposing cause for CDI development, this finding possibly will be warning from a One Health viewpoint about the misuse of antibiotics in the chain of farm to fork including agriculture, animal husbandry and the food industry and also their injudicious use in medicine.
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Affiliation(s)
- Zahra Esfandiari
- Nutrition and Food Security Research Center, Department of Food Science and Technology, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parisa Shoaei
- Nosocomial Infection Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Bahareh Vakili
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ziba Farajzadegan
- Community and Preventive Medicine Department, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Javad Tarrahi
- Epidemiology Department of Epidemiology and Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zahra Emami
- Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
| | - Yadolah Fakhri
- Social Determinants in Health Promotion Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - J. Scott Weese
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Trias Mahmudiono
- Department of Nutrition, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia
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Rashid SJ, Nale JY, Millard AD, Clokie MRJ. Novel ribotype/sequence type associations and diverse CRISPR-Cas systems in environmental Clostridioides difficile strains from northern Iraq. FEMS Microbiol Lett 2023; 370:fnad091. [PMID: 37723612 PMCID: PMC10806358 DOI: 10.1093/femsle/fnad091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 07/27/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023] Open
Abstract
The environment is a natural reservoir of Clostridioides difficile, and here, we aimed to isolate the pathogen from seven locations in northern Iraq. Four of the sites yielded thirty-one isolates (ten from soils, twenty-one from sediments), which together represent ribotypes (RTs) 001 (five), 010 (five), 011 (two), 035 (two), 091 (eight), and 604 (nine). Twenty-five of the isolates (∼81%) are non-toxigenic, while six (∼19%) encode the toxin A and B genes. The genomes of eleven selected isolates represent six sequence types (STs): ST-3 (two), ST-15 (one), ST-107 (five), ST-137 (one), ST-177 (one), and ST-181 (one). Five novel RT/ST associations: RT011/ST-137, RT035/ST-107, RT091/ST-107, RT604/ST-177, and RT604/ST-181 were identified, and the first three are linked to RTs previously uncharacterized by multilocus sequence typing (MLST). Nine of the genomes belong to Clade 1, and two are closely related to the cryptic C-I clade. Diverse multiple prophages and CRISPR-Cas systems (class 1 subtype I-B1 and class 2 type V CRISPR-Cas systems) with spacers identical to other C. difficile phages and plasmids were detected in the genomes. Our data show the broader diversity that exists within environmental C. difficile strains from a much less studied location and their potential role in the evolution and emergence of new strains.
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Affiliation(s)
- Srwa J Rashid
- Medical Laboratory Technology Department, Koya Technical Institute, Erbil Polytechnic University, Erbil, Kurdistan, Iraq
| | - Janet Y Nale
- Centre for Epidemiology and Planetary Health, Scotland’s Rural College, Inverness IV2 5NA, UK
| | - Andrew D Millard
- Department of Genetics and Genome Biology, College of Life Sciences, University of Leicester, University Road, Leicester LE1 7RH, UK
| | - Martha R J Clokie
- Department of Genetics and Genome Biology, College of Life Sciences, University of Leicester, University Road, Leicester LE1 7RH, UK
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Ansarian Barezi A, Shakerian A, Rahimi E, Esfandiari Z. Examining the Extent of Contamination, Antibiotic Resistance, and Genetic Diversity of Clostridioides ( Clostridium) difficile Strains in Meat and Feces of Some Native Birds of Iran. BIOMED RESEARCH INTERNATIONAL 2023; 2023:3524091. [PMID: 37101693 PMCID: PMC10125756 DOI: 10.1155/2023/3524091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 12/25/2022] [Accepted: 01/21/2023] [Indexed: 04/28/2023]
Abstract
Clostridioides (Clostridium) difficile (C. difficile) is one of the essential enteropathogens in humans and livestock and is a severe health threat, according to the Centre for Disease Control and Prevention. Also, antimicrobials are one of the most critical risk factors for C. difficile infection (CDI). The present study examined the infection, antibiotic resistance, and genetic diversity of the C. difficile strains in the meat and feces of some native birds (chicken, duck, quail, and partridge) in the Shahrekord region, Iran, from July 2018 to July 2019. Samples were grown on CDMN agar after an enrichment step. To determine the toxin profile, the tcdA, tcdB, tcdC, cdtA, and cdtB genes were detected via multiplex PCR. The antibiotic susceptibility of these isolates was examined using the disk diffusion method and followed based on MIC and epsilometric test. 300 meat samples of chicken, duck, partridge, and quail and 1100 samples of bird feces were collected from six traditional farms in Shahrekord, Iran. Thirty-five meat samples (11.6%) and 191 fecal samples (17.36%) contained C. difficile. Moreover, five toxigenic samples isolated had 5, 1, and 3 tcdA/B, tcdC, and cdtA/B genes. Out of the studied strains isolated from the 226 samples, two isolates belonging to ribotype RT027 and one isolated RT078 profile related to native chicken feces were observed from chicken sample. The antimicrobial susceptibility testing showed that all the strains are resistant to ampicillin, 28.57% are resistant to metronidazole, and 100% were susceptible to vancomycin. Based on the results, it can be concluded that the raw meat of birds might be a source of resistant C. difficile that poses a hygienic threat to the consumption of native bird meat. Nevertheless, further studies are essential to understand additional epidemiological features of C. difficile in bird meat.
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Affiliation(s)
- Akbar Ansarian Barezi
- Department of Food Hygiene, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Amir Shakerian
- Research Center of Nutrition and Organic Products (R.C.N.O.P), Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Ebrahim Rahimi
- Department of Food Hygiene, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Zahra Esfandiari
- Nutrition and Food Security Research Center, Department of Food Science and Technology, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
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Clostridioides difficile in Foods with Animal Origins; Prevalence, Toxigenic Genes, Ribotyping Profile, and Antimicrobial Resistance. J FOOD QUALITY 2022. [DOI: 10.1155/2022/4868409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Clostridioides difficile is an important nosocomial pathogen and is considered as a reason of diarrhea and gastrointestinal infections. As a majority of community-originated C. difficile cases are not related to antibiotic prescription and hospitalization, the food portion as a vector of infection transmission has been raised. An existing survey was aimed evaluating the prevalence, antimicrobial resistance, profile of toxigenic genes, and ribotypes of C. difficile isolated from raw meat and carcass surface swab samples. In total, 485 raw meat and carcass surface swab samples were collected. C. difficile was isolated via culture and a diverse biochemical examination. The assessment of minimum inhibitory concentration (MIC) was addressed to evaluate the antibiotic resistance of isolates. Toxin genes detection and ribotyping were used for isolates characterization. The prevalence of C. difficile contamination in all examined samples was 3.71%. The bacterium was detected in 2.91% of raw meat and 4.48% of carcass surface swab samples. Raw sheep meat (5%) and sheep carcass swab (7.50%) samples harbored the highest C. difficile prevalence. The highest rate of antibiotic resistance was observed toward clindamycin (38.88%), ciprofloxacin (38.88%), metronidazole (44.44%), erythromycin (72.22%), and tetracycline (77.77%). C. difficile bacteria showed the minimum rate of resistance meropenem (16.66%) and chloramphenicol (16.66%). TcdA, tcdB, cdtA, and cdtB toxigenic genes were detected in 22.22%, 44.44%, and 16.66% of isolates, respectively. TcdB + tcdA (27.77%) were the most prevalent combined toxigenic gene profile. Both 027 and 078 ribotypes were identified in C. difficile isolates. The role of raw meat and carcass surface swab samples as toxigenic and antibiotic-resistant C. difficile strains vectors was signified. This study authorizes that food animals, particularly sheep and cattle, are C. difficile carriers at slaughter stages and ribotypes are equal in human cases. Subsequently, contamination of carcasses occurs inside the slaughterhouse.
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Banawas SS. Systematic Review and Meta-Analysis on the Frequency of Antibiotic-Resistant Clostridium Species in Saudi Arabia. Antibiotics (Basel) 2022; 11:antibiotics11091165. [PMID: 36139945 PMCID: PMC9495114 DOI: 10.3390/antibiotics11091165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022] Open
Abstract
Clostridium is a genus comprising Gram-positive, rod-shaped, spore-forming, anaerobic bacteria that cause a variety of diseases. However, there is a shortage of information regarding antibiotic resistance in the genus in Saudi Arabia. This comprehensive analysis of research results published up until December 2021 intends to highlight the incidence of antibiotic resistance in Clostridium species in Saudi Arabia. PubMed, Google Scholar, Web of Science, SDL, and ScienceDirect databases were searched using specific keywords, and ten publications on antibiotic resistance in Clostridium species in Saudi Arabia were identified. We found that the rates of resistance of Clostridium difficile to antibiotics were as follows: 42% for ciprofloxacin, 83% for gentamicin, 28% for clindamycin, 25% for penicillin, 100% for levofloxacin, 24% for tetracycline, 77% for nalidixic acid, 50% for erythromycin, 72% for ampicillin, and 28% for moxifloxacin; whereas those of C. perfringens were: 21% for metronidazole, 83% for ceftiofur, 39% for clindamycin, 59% for penicillin, 62% for erythromycin, 47% for oxytetracycline, and 47% for lincomycin. The current findings suggest that ceftiofur, erythromycin, lincomycin, and oxytetracycline should not be used in C. perfringens infection treatments in humans or animals in Saudi Arabia.
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Affiliation(s)
- Saeed S. Banawas
- Department of Medical Laboratories, College of Applied Medical Science, Majmaah University, Al-Majmaah 11952, Saudi Arabia; ; Tel.: +966-164041510
- Health and Basic Sciences Research Center, Majmaah University, Al-Majmaah 11952, Saudi Arabia
- Department of Biomedical Sciences, Oregon State University, Corvallis, OR 97331, USA
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Abay S, Ahmed EF, Aydin F, Karakaya E, Müştak HK. Presence of Clostridioides difficile in cattle feces, carcasses, and slaughterhouses: Molecular characterization and antibacterial susceptibility of the recovered isolates. Anaerobe 2022; 75:102575. [PMID: 35477095 DOI: 10.1016/j.anaerobe.2022.102575] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 04/13/2022] [Accepted: 04/17/2022] [Indexed: 11/28/2022]
Abstract
The aims of this study were to isolate and identify Clostridioides difficile from cattle feces and carcasses, and slaughterhouse samples, and to determine the molecular characteristics and antibacterial susceptibility of the recovered isolates. A total of 220 samples, including 100 cattle fecal samples, 100 cattle carcass surface samples, and 20 slaughterhouse samples were used as the study material. In total, 12 (5.45%) samples, including 11 (11%) cattle fecal samples and 1 (5%) slaughterhouse sample, were found to be positive for C. difficile. On the other hand, all of the carcass samples were negative for C. difficile. A total of 11 (91.66%) isolates, including 10 fecal isolates and 1 slaughterhouse wastewater isolate, were found to be positive for the presence of the toxin genes tcdA and tcdB, whilst 1 fecal isolate was found to be negative for both genes. In addition, 3 different ERIC-PCR profiles were identified in the 11 fecal isolates. The ERIC-PCR profile of the slaughterhouse wastewater isolate was found to be similar to one of the ERIC-PCR profiles obtained from the fecal isolates. All of the isolates were resistant to ciprofloxacin and levofloxacin. Considering that the agent is a spore-forming bacterium shed in feces, the detection of C. difficile isolates of different genotypes, some carrying toxin genes, suggests that feces and slaughterhouse wastewater carrying this bacterium may pose a risk for the contamination of carcasses. The current study revealed that hygiene conditions should be performed to the maximum extent in slaughterhouses.
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Affiliation(s)
- Seçil Abay
- Erciyes University, Faculty of Veterinary Medicine, Department of Microbiology Kayseri, Turkey.
| | | | - Fuat Aydin
- Erciyes University, Faculty of Veterinary Medicine, Department of Microbiology Kayseri, Turkey
| | - Emre Karakaya
- Erciyes University, Faculty of Veterinary Medicine, Department of Microbiology Kayseri, Turkey
| | - Hamit Kaan Müştak
- Ankara University, Faculty of Veterinary Medicine, Department of Microbiology, Ankara, Turkey
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Taha AE. Raw Animal Meats as Potential Sources of Clostridium difficile in Al-Jouf, Saudi Arabia. Food Sci Anim Resour 2021; 41:883-893. [PMID: 34632406 PMCID: PMC8460330 DOI: 10.5851/kosfa.2021.e44] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 08/07/2021] [Accepted: 08/10/2021] [Indexed: 12/17/2022] Open
Abstract
Clostridium difficile present in feces of food animals may
contaminate their meats and act as a potential source of C.
difficile infection (CDI) to humans. C. difficile
resistance to antibiotics, its production of toxins and spores play major roles
in the pathogenesis of CDI. This is the first study to evaluate C.
difficile prevalence in retail raw animal meats, its antibiotics
susceptibilities and toxigenic activities in Al-Jouf, Saudi Arabia. Totally, 240
meat samples were tested. C. difficile was identified by
standard microbiological and biochemical methods. Vitek-2 compact system
confirmed C. difficile isolates were 15/240 (6.3%).
Toxins A/B were not detected by Xpect C. difficile toxin A/B
tests. Although all isolates were susceptible to vancomycin and metronidazole,
variable degrees of reduced susceptibilities to moxifloxacin, clindamycin or
tetracycline antibiotics were detected by Epsilon tests. C.
difficile strains with reduced susceptibility to antibiotics should
be investigated. Variability between the worldwide reported C.
difficile contamination levels could be due to absence of a gold
standard procedure for its isolation. Establishment of a unified testing
algorithm for C. difficile detection in food products is
definitely essential to evaluate the inter-regional variation in its prevalence
on national and international levels. Proper use of antimicrobials during animal
husbandry is crucial to control the selective drug pressure on C.
difficile strains associated with food animals. Investigating the
protective or pathogenic potential of non-toxigenic C.
difficile strains and the possibility of gene transfer from certain
toxigenic/ antibiotics-resistant to non-toxigenic/antibiotics-sensitive strains,
respectively, should be worthy of attention.
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Affiliation(s)
- Ahmed E Taha
- Microbiology and Immunology Unit, Department of Pathology, College of Medicine, Jouf University, Al-Jouf, Saudi Arabia.,Medical Microbiology and Immunology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Tsai CS, Hung YP, Lee JC, Syue LS, Hsueh PR, Ko WC. Clostridioides difficile infection: an emerging zoonosis? Expert Rev Anti Infect Ther 2021; 19:1543-1552. [PMID: 34383624 DOI: 10.1080/14787210.2021.1967746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Clostridioides difficile (C. difficile) infection (CDI) is the most common cause of antibiotic-associated diarrhea and one of the common infections in healthcare facilities. In recent decades, there has been an emerging threat of community-acquired CDI (CA-CDI). Environmental transmission of C. difficile in the community setting has become a major concern, and animals are an important reservoir for C. difficile causing human diseases. AREAS COVERED In this article, the molecular epidemiology of C. difficile in animals and recent evidences of zoonotic transfer to humans are reviewed based on an electronic search in the databases of PubMed and Google Scholar. EXPERT OPINION C. difficile can be found in stool from diarrheal dogs and cats; therefore, household pets could be a potential source. C. difficile will threaten human health because hypervirulent C. difficile ribotype 078 strains have been found in retail chickens, pig farms, and slaughterhouses. Risk factors for fecal C. difficile carriage in animals include young age, dietary changes, and antibiotic abuse in domestic animals. With the advent of whole genome sequencing techniques, there will be more solid evidence indicating zoonotic transfer of C. difficile from animals to humans.
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Affiliation(s)
- Chin-Shiang Tsai
- Department of Internal Medicine, National Cheng Kung University Hospital, Dou-Liou Branch, College of Medicine, National Cheng Kung University, Yunlin, Taiwan.,Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yuan-Pin Hung
- Department of Internal Medicine, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan
| | - Jen-Chieh Lee
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ling-Shan Syue
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Po-Ren Hsueh
- Departments of Laboratory Medicine and Internal Medicine, China Medical University Hospital, School of Medicine, China Medical University, Taichung, Taiwan
| | - Wen-Chien Ko
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Clostridioides difficile in Non-hospital Sources (Animals, Food, and Environment) in Asian Countries: A Literature Review. Jundishapur J Microbiol 2021. [DOI: 10.5812/jjm.115347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Context: Clostridioides difficile (C. difficile) is an agent responsible for severe infection with a high mortality rate in healthcare facilities. With the discovery of C. difficile in the community, it was assumed that this bacterium might be transmitted to humans through non-hospital sources. Evidence Acquisition: This study examined different aspects of the epidemiology of C. difficile in Asian countries with a review of the literature using search engines such as Web of Science, Scopus, and PubMed. Results: Based on the literature pertaining to Asia, the highest rate of C. difficile is found in samples collected from farm animals, red meat, and meat-based products. Two ribotypes 027 and 078, as hypervirulent factors, were found in different non-hospital sources. Resistance to the most frequently used antibiotics in healthcare setting was observed in C. difficile. Conclusions: Due to the heterogeneity of the examination of C. difficile, understanding the actual condition of C. difficile is difficult. However, the presence of two hypervirulent ribotypes of C. difficile in non-hospital sources is alarming. It seems that it is necessary to perform further studies on C. difficile in non-hospital sources. Defining a focal point for such research could be helpful to explore the situation of C. difficile in clinical settings and communities of Asian countries.
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Prevalence of Clostridium difficile contamination in Iranian foods and animals: A systematic review and meta-analysis. GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2020.100898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Al-Tawfiq JA, Rabaan AA, Bazzi AM, Raza S, Noureen M. Clostridioides (Clostridium) difficile-associated disease: Epidemiology among patients in a general hospital in Saudi Arabia. Am J Infect Control 2020; 48:1152-1157. [PMID: 32122671 DOI: 10.1016/j.ajic.2020.01.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 01/02/2020] [Accepted: 01/09/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND Clostridioides (Clostridium) difficile infection (CDI) is an important health care-associated infection with variable incidence and prevalence across the globe. There are limited data from Saudi Arabia on the epidemiology of C. difficile-associated diarrhea (CDAD). In this study, we present the epidemiology and incidence of CDAD in a hospital in Saudi Arabia. METHODS This study included all stool samples from 2001 to 2018 that were tested for C. difficile. C. difficile toxins were detected by enzyme-linked immunosorbent assay in 2001-2012 and the diagnosis was based on PCR testing (2013-2018). RESULTS There was a total of 577 distinctive episodes of CDAD representing 5.2% of 10,995 tested stool samples with an annual positivity rate of 0.9%-11.8%. Of all CDAD cases, there were 230 (39.9%) community associated-CDAD, 105 (18.2%) community onset-health care facility associated disease, and 242 (42%) health care facility onset health care facility-associated disease (HCFO-HCFAD). There was a trend of increasing percentage of community onset-health care facility associated disease cases from 17% in 2001 to 20% in 2018 of all cases, and a trend towards less cases of community associated-CDAD from 85% to 50% over time. However, the percentages of HCFO-HCFAD percentages remained relatively stable. The rate of HCFO-HCFAD per 1,000 patient-days increased from 0.009 to 0.22 from 2001 to 2018, respectively. CONCLUSIONS The rate of CDAD was 5.15% among all tested samples and that there is a large proportion of community associated-CDAD. The findings parallel the data from developed countries and deserve further studies in the risk factors for community-associated CDAD.
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Affiliation(s)
- Jaffar A Al-Tawfiq
- Infectious Disease Unit, Specialty Internal Medicine, Department and Quality & Patient Safety Department, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia; Infectious Disease Division, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA; Infectious Disease Division, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Ali A Rabaan
- Molecular Diagnostic Lab, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Ali M Bazzi
- Microbiology Laboratory, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Safia Raza
- Division of Hospital Medicine, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - Madeeha Noureen
- Division of Hospital Medicine, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
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Characterisation and Antibiotic Susceptibility Profile of Clostridioides (Clostridium) Difficile Isolated from Chicken Carcasses. J Vet Res 2020; 64:407-412. [PMID: 32984631 PMCID: PMC7497745 DOI: 10.2478/jvetres-2020-0052] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 07/27/2020] [Indexed: 11/20/2022] Open
Abstract
Introduction Clostridioides (Clostridium) difficile is a Gram+, anaerobic, spore-forming, rod-shaped bacterium that can produce toxins, and it is mainly because its virulence is attributed. The objective of this study was to evaluate the presence of C. difficile and hyper virulent ribotypes in chicken carcasses and the antibiotic susceptibility of isolated strains. Material and Methods C. difficile was isolated from chicken carcasses by microbiological methods, its ribotypes were identified by means of PCR, the toxin production ability was defined by ELISA, and the susceptibility of the isolates to selected antibiotics was determined by minimum inhibitory concentration evaluator strips. Results The bacterium was isolated from 69 out of 185 (37.3%) examined chicken carcass samples, and six out of the 69 (8.7%) isolates were identified as ribotype 027. All isolates were susceptible to amoxicillin-clavulanic acid (100.0%), vancomycin (97.1%), metronidazole (88.4%), and tetracycline (95.7%), whereas they were resistant to cefotaxime (97.1%) and imipenem (89.9%). Conclusion The results of this study demonstrate the presence of toxigenic C. difficile isolates such as ribotype 027 (one of the most common causes of C. difficile infection in humans) in chicken carcasses. Although there is no case for stating that C. difficile is a food-borne pathogen, the presence of C. difficile in chicken may be considered to be a potential risk to consumers.
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Rodriguez-Palacios A, Mo KQ, Shah BU, Msuya J, Bijedic N, Deshpande A, Ilic S. Global and Historical Distribution of Clostridioides difficile in the Human Diet (1981-2019): Systematic Review and Meta-Analysis of 21886 Samples Reveal Sources of Heterogeneity, High-Risk Foods, and Unexpected Higher Prevalence Toward the Tropic. Front Med (Lausanne) 2020; 7:9. [PMID: 32175321 PMCID: PMC7056907 DOI: 10.3389/fmed.2020.00009] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Accepted: 01/10/2020] [Indexed: 12/21/2022] Open
Abstract
Clostridioides difficile (CD) is a spore-forming bacterium that causes life-threatening intestinal infections in humans. Although formerly regarded as exclusively nosocomial, there is increasing genomic evidence that person-to-person transmission accounts for only <25% of cases, supporting the culture-based hypothesis that foods may be routine sources of CD-spore ingestion in humans. To synthesize the evidence on the risk of CD exposure via foods, we conducted a systematic review and meta-analysis of studies reporting the culture prevalence of CD in foods between January 1981 and November 2019. Meta-analyses, risk-ratio estimates, and meta-regression were used to estimate weighed-prevalence across studies and food types to identify laboratory and geographical sources of heterogeneity. In total, 21886 food samples were tested for CD between 1981 and 2019 (96.4%, n = 21084, 2007–2019; 232 food-sample-sets; 79 studies; 25 countries). Culture methodology, sample size and type, region, and latitude were sources of heterogeneity (p < 0.05). Although non-strictly-anaerobic methods were reported in some studies, and we confirmed experimentally that improper anaerobiosis of media/sample-handling affects CD recovery in agar (Fisher, p < 0.01), most studies (>72%) employed the same (one-of-six) culture strategy. Because the prevalence was also meta-analytically similar across six culture strategies reported, all studies were integrated using three meta-analytical methods. At the study level (n = 79), the four-decade global cumulative-prevalence of CD in the human diet was 4.1% (95%CI = −3.71, 11.91). At the food-set level (n = 232, mean 12.9 g/sample, similar across regions p > 0.2; 95%CI = 9.7–16.2), the weighted prevalence ranged between 4.5% (95%CI = 3–6%; all studies) and 8% (95%CI = 7–8%; only CD-positive-studies). Risk-ratio ranking and meta-regression showed that milk was the least likely source of CD, while seafood, leafy green vegetables, pork, and poultry carried higher risks (p < 0.05). Across regions, the risk of CD in foods for foodborne exposure reproducibly decreased with Earth latitude (p < 0.001). In conclusion, CD in the human diet is a global non-random-source of foodborne exposure that occurs independently of laboratory culture methods, across regions, and at a variable level depending on food type and latitude. The latitudinal trend (high CD-food-prevalence toward tropic) is unexpectedly inverse to the epidemiological observations of CD-infections in humans (frequent in temperate regions). Findings suggest the plausible hypothesis that ecologically-richer microbiomes in the tropic might protect against intestinal CD colonization/infections despite CD ingestion.
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Affiliation(s)
- Alexander Rodriguez-Palacios
- Division of Gastroenterology and Liver Disease, Case Western Reserve University School of Medicine, Cleveland, OH, United States.,Digestive Health Research Institute, Case Western Reserve University School of Medicine, Cleveland, OH, United States
| | - Kevin Q Mo
- Human Nutrition, Department of Human Sciences, The Ohio State University, Columbus, OH, United States.,College of Medicine, Northeast Ohio Medical University, Rootstown, OH, United States
| | - Bhavan U Shah
- Informatics and Assessment Division, Lorain County General Health District, Elyria, OH, United States.,Department of Neurology, Weill Cornell Medicine, Cornell University, New York, NY, United States
| | - Joan Msuya
- Department of Health and Nutrition, World Vision, Arusha, Tanzania
| | - Nina Bijedic
- Department of Applied Mathematics and Formal Methods, Information Technologies, University Dzemal Bijedic, Mostar, Bosnia and Herzegovina.,Department of Mathematics, University of North Carolina, Charlotte, NC, United States
| | - Abhishek Deshpande
- Medicine Institute Center for Value-Based Care Research, Cleveland Clinic, Cleveland, OH, United States
| | - Sanja Ilic
- Human Nutrition, Department of Human Sciences, The Ohio State University, Columbus, OH, United States
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14
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Morelli G, Catellani P, Miotti Scapin R, Bastianello S, Conficoni D, Contiero B, Ricci R. Evaluation of microbial contamination and effects of storage in raw meat-based dog foods purchased online. J Anim Physiol Anim Nutr (Berl) 2019; 104:690-697. [PMID: 31789441 DOI: 10.1111/jpn.13263] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 10/01/2019] [Accepted: 11/08/2019] [Indexed: 01/10/2023]
Abstract
Feeding raw-meat-based diets to companion animals has become a widespread practice, and many owners are now accustomed to buying frozen ingredients online. The goals of this study were to assess the microbiological quality of raw-meat dog foods obtained from specialized websites and to evaluate the effects of storage at different temperatures for a few days. Twenty-nine raw dog food products were processed for quantitative bacteriology (i.e. total viable count, TVC; Escherichia coli; faecal coliforms, FC) and sulphite-reducing clostridia, and analysed for the presence of Salmonella spp., Listeria monocytogenes, Yersinia enterocolitica and Clostridium difficile. Every sample was examined right after the delivery (T0), after 24 to 48 hr and after 72 hr, both at 2°C and 7°C. At T0, the mean score for the TVC was 5.9 × 106 cfu/g (SD = 4.8 × 107 cfu/g), while those for E. coli and FC were 1.1 × 104 cfu/g (SD = 2.5 × 105 cfu/g) and 3.3 × 103 cfu/g (SD = 6.5 × 104 cfu/g) respectively. The samples stored at 2°C had a significant increase of all parameters (TVC: p < .01; E. coli: p = .03; FC: p = .04) through time. Noteworthy differences between the analyses performed at 2°C and 7°C were found for TVC (p < .01), being the samples considerably more contaminated at higher temperatures. No sample tested positive for Salmonella spp., while L. monocytogenes was isolated from 19 products, Y. enterocolitica from three products and Clostridium perfringens and C. difficile from four and six products respectively. The microbiological quality of raw-meat dog foods sold online appears to be poor, carrying considerable amounts of potentially zoonotic bacteria and reaching greater levels of bacterial contaminations if not kept at proper refrigeration temperatures and fed soon after defrosting.
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Affiliation(s)
- Giada Morelli
- Department of Animal Medicine, Production and Health, University of Padua, Legnaro, PD, Italy
| | - Paolo Catellani
- Department of Animal Medicine, Production and Health, University of Padua, Legnaro, PD, Italy
| | - Riccardo Miotti Scapin
- Department of Animal Medicine, Production and Health, University of Padua, Legnaro, PD, Italy
| | - Sofia Bastianello
- Department of Animal Medicine, Production and Health, University of Padua, Legnaro, PD, Italy
| | - Daniele Conficoni
- Department of Animal Medicine, Production and Health, University of Padua, Legnaro, PD, Italy
| | - Barbara Contiero
- Department of Animal Medicine, Production and Health, University of Padua, Legnaro, PD, Italy
| | - Rebecca Ricci
- Department of Animal Medicine, Production and Health, University of Padua, Legnaro, PD, Italy
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15
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Knight DR, Riley TV. Genomic Delineation of Zoonotic Origins of Clostridium difficile. Front Public Health 2019; 7:164. [PMID: 31281807 PMCID: PMC6595230 DOI: 10.3389/fpubh.2019.00164] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 06/03/2019] [Indexed: 01/27/2023] Open
Abstract
Clostridium difficile is toxin-producing antimicrobial resistant (AMR) enteropathogen historically associated with diarrhea and pseudomembranous colitis in hospitalized patients. In recent years, there have been dramatic increases in the incidence and severity of C. difficile infection (CDI), and associated morbidity and mortality, in both healthcare and community settings. C. difficile is an ancient and diverse species that displays a sympatric lifestyle, establishing itself in a range of ecological niches external to the healthcare system. These sources/reservoirs include food, water, soil, and over a dozen animal species, in particular, livestock such as pigs and cattle. In a manner analogous to human infection, excessive antimicrobial exposure, particularly to cephalosporins, is driving the expansion of C. difficile in livestock populations worldwide. Subsequent spore contamination of meat, vegetables grown in soil containing animal feces, agricultural by-products such as compost and manure, and the environment in general (households, lawns, and public spaces) is contributing to a persistent community source/reservoir of C. difficile and the insidious rise of CDI in the community. The whole-genome sequencing era continues to redefine our view of this complex pathogen. The application of high-resolution microbial genomics in a One Health framework (encompassing clinical, veterinary, and environment derived datasets) is the optimal paradigm for advancing our understanding of CDI in humans and animals. This approach has begun to yield critical insights into the genetic diversity, evolution, AMR, and zoonotic potential of C. difficile. In Europe, North America, and Australia, microevolutionary analysis of the C. difficile core genome shows strains common to humans and animals (livestock or companion animals) do not form distinct populations but share a recent evolutionary history. Moreover, for C. difficile sequence type 11 and PCR ribotypes 078 and 014, major lineages of One Health importance, this approach has substantiated inter-species clonal transmission between animals and humans. These findings indicate either a zoonosis or anthroponosis. Moreover, they challenge the existing paradigm and the long-held misconception that CDI is primarily a healthcare-associated infection. In this article, evolutionary, and zoonotic aspects of CDI are discussed, including the anthropomorphic factors that contribute to the spread of C. difficile from the farm to the community.
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Affiliation(s)
- Daniel R Knight
- Medical, Molecular, and Forensic Sciences, Murdoch University, Perth, WA, Australia
| | - Thomas V Riley
- Medical, Molecular, and Forensic Sciences, Murdoch University, Perth, WA, Australia.,School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia.,School of Biomedical Sciences, The University of Western Australia, Nedlands, WA, Australia.,PathWest Laboratory Medicine, Department of Microbiology, Nedlands, WA, Australia
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16
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Ersöz ŞŞ, Coşansu S. Prevalence of Clostridium difficile Isolated from Beef and Chicken Meat Products in Turkey. Korean J Food Sci Anim Resour 2018; 38:759-767. [PMID: 30206435 PMCID: PMC6131381 DOI: 10.5851/kosfa.2018.e14] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 07/09/2018] [Accepted: 07/10/2018] [Indexed: 11/25/2022] Open
Abstract
The concern about the possibility of food can be a vehicle for the transmission
of Clostridium difficile to humans has been raised recently due
to the similarities among the strains isolated from patients, foods and food
animals. In this study, therefore, the prevalence of C.
difficile was investigated in beef and chicken meat products
collected from 57 different butcher shops, markets and fast food restaurants in
Sakarya province of Turkey. Two out of 101 samples (1.98%) was positive for
C. difficile indicating a very low prevalence. The pathogen
was isolated from an uncooked meatball sample and a cooked meat döner
sample, whereas not detected in chicken meat samples. The meatball isolate was
resistant to vancomycin and tetracycline, while the cooked meat döner
isolate was resistant to vancomycin and metronidazole. Both isolates were
sensitive to moxifloxacin and clindamycin. Toxins A and B were not detected.
This study reveals the presence of C. difficile in further
processed beef products in Turkey.
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Affiliation(s)
- Şeyma Şeniz Ersöz
- Food Engineering Department, Engineering Faculty, Sakarya University, Esentepe Campus, 54187, Sakarya, Turkey
| | - Serap Coşansu
- Food Engineering Department, Engineering Faculty, Sakarya University, Esentepe Campus, 54187, Sakarya, Turkey
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