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Lang V, Gunka K, Ortlepp JR, Zimmermann O, Groß U. Risk Factors of Patients With Diarrhea for Having Clostridioides (Clostridium) difficile Infection. Front Microbiol 2022; 13:840846. [PMID: 35359708 PMCID: PMC8963458 DOI: 10.3389/fmicb.2022.840846] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 02/10/2022] [Indexed: 02/06/2023] Open
Abstract
Nosocomial infections with Clostridioides (Clostridium) difficile have become an emergent health threat. We sought to define risk factors for a C. difficile infection (CDI) beyond the widely known ones, such as antibiotic use and prior hospital stay. We therefore focused on a group of patients with diarrhea in order to identify risk factors for C. difficile infection among this symptomatic cohort. A total of 121 hospitalized patients from Seesen/Germany with diarrhea were included who submitted a stool sample and were interviewed about their socio-demographic background, lifestyle and state of health using a standardized questionnaire. Antibiotic potential of diuretics was examined by agar diffusion test. C. difficile was identified in 29 patients resulting in a prevalence of 24.0%. The infection was hospital-acquired in most cases (p < 0.001, 82.1%; n = 23/28, versus 29/91, 31.9%). The generally accepted risk factor previous antibiotic use was confirmed in this study (p = 0.002, n = 23/28 CDI patients, 82.1%, versus n = 44/91 non-CDI patients, 48.4%). The following additional risk factors were identified: regular consumption of proton pump inhibitors; PPI (p = 0.011, n = 24/29, 82.8% vs. n = 52/92, 56.5%), CDI patients ate less vegetables (p = 0.001, n = 12/29, 41.4% vs. 69/92, 75.0%). The intake of the diuretic agent torasemid in patients with CDI (p = 0.005, n = 18/29, 62.1%) was higher than in patients without (n = 30/92, 32.6%). More patients with CDI had to undergo a surgery in the previous year (p = 0.022, n = 13/29, 44.8% vs. n = 21/92, 22.8%) and held more birds (p = 0.056, n = 4/29, 13.8%) than individuals of the negative group (n = 3/92, 3.3%). In conclusion, although no antibiotic potential was detected in diuretics, especially torasemid seems to have significant influence for the occurrence of a CDI as well as a nutrition poor in vegetables. A diet rich in vegetables represented a fourfold lower risk for a CDI (OR 0.240, CI (0.0720 - 0.796]).
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Affiliation(s)
- Vanessa Lang
- Institute of Medical Microbiology, University Medical Center Göttingen, Göttingen, Germany
| | - Katrin Gunka
- Institute of Medical Microbiology, University Medical Center Göttingen, Göttingen, Germany
| | | | - Ortrud Zimmermann
- Institute of Medical Microbiology, University Medical Center Göttingen, Göttingen, Germany
| | - Uwe Groß
- Institute of Medical Microbiology, University Medical Center Göttingen, Göttingen, Germany
- *Correspondence: Uwe Groß,
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Abstract
Clostridium (Clostridioides) difficile is a gram-positive, spore-forming bacterium that is an important cause of disease in people, a variably important cause of disease in some animal species, and an apparently harmless commensal in others. Regardless of whether it is a known pathogen in a particular species, it can also be found in healthy individuals, sometimes at high prevalences and typically with higher rates of carriage in young individuals. As it is investigated in more animal species, it is apparent that this bacterium is widely disseminated in a diverse range of domestic and wild animal species. Although it can be found in most species in which investigations have been performed, there are pronounced intra- and inter-species differences in prevalence and clinical relevance. A wide range of strains can be identified, some that appear to be animal associated and others that are found in humans and animals. A large percentage of strains that cause disease in people can at least sporadically be found in animals. It is a potentially important zoonotic pathogen, but there is limited direct evidence of animal-human transmission. Although C. difficile has been studied extensively over the past few decades, it remains an enigmatic organism in many ways.
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Affiliation(s)
- J Scott Weese
- Department of Pathobiology and Centre for Public Health and Zoonoses, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada (Weese)
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Lee JY, Lee DY, Cho YS. Prevalence of Clostridium difficile isolated from various raw meats in Korea. Food Sci Biotechnol 2018; 27:883-889. [PMID: 30263815 PMCID: PMC6049684 DOI: 10.1007/s10068-018-0318-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 01/03/2018] [Accepted: 01/10/2018] [Indexed: 12/18/2022] Open
Abstract
Clostridium difficile is an anaerobic, toxin-producing pathogen that causes human infection possibly through the consumption of meat. Clostridium difficile was isolated from 45 of 415 (10.8%) various raw meat samples collected in nationwide markets in Korea between 2013 and 2014. Among the 45 isolated strains, the highest prevalence rate was found in September (28.6%) and detected in chicken (16.4%), pork (8.3%) and beef (6.8%). According to an antibiotic resistance test, resistance was found only for clindamycin (2.2%). The genetic similarity of ribotypes O78 and O27 and strains isolated from raw meats was determined using DiversiLab. Among the isolates studied, four different rep-PCR types were identified, genetically distinct from ribotypes O78 and O27. An ELISA reaction confirmed that the two strains have toxin A and toxin B and showed 89% genetic similarity. This study suggests that food animals could be potential routes of foodborne transmission in C. difficile-associated human infection.
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Affiliation(s)
- Joo Young Lee
- Food Analysis Center, Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do 55365 Republic of Korea
- Department of Food Science and Biotechnology, Sungkyunkwan University, Jangan-gu, Suwon South Korea
| | - Da Yeon Lee
- Food Analysis Center, Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do 55365 Republic of Korea
| | - Yong Sun Cho
- Food Analysis Center, Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do 55365 Republic of Korea
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Zheng Y, Luo Y, Lv Y, Huang C, Sheng Q, Zhao P, Ye J, Jiang W, Liu L, Song X, Tong Z, Chen W, Lin J, Tang YW, Jin D, Fang W. Clostridium difficile colonization in preoperative colorectal cancer patients. Oncotarget 2017; 8:11877-11886. [PMID: 28060753 PMCID: PMC5355311 DOI: 10.18632/oncotarget.14424] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 12/20/2016] [Indexed: 01/05/2023] Open
Abstract
The entire process of Clostridium difficile colonization to infection develops in large intestine. However, the real colonization pattern of C. difficile in preoperative colorectal cancer patients has not been studied. In this study, 33 C. difficile strains (16.1%) were isolated from stool samples of 205 preoperative colorectal cancer patients. C. difficile colonization rates in lymph node metastasis patients (22.3%) were significantly higher than lymph node negative patients (10.8%) (OR=2.314, 95%CI=1.023-5.235, P =0.025). Meanwhile, patients positive for stool occult blood had lower C. difficile colonization rates than negative patients (11.5% vs. 24.0%, OR=0.300, 95%CI=0.131-0.685, P =0.019). A total of 16 sequence types were revealed by multilocus sequence typing. Minimum spanning tree and time-space cluster analysis indicated that all C. difficile isolates were epidemiologically unrelated. Antibiotic susceptibility testing showed all isolates were susceptible to vancomycin and metronidazole. The results suggested that the prevalence of C. difficile colonization is high in preoperative colorectal cancer patients, and the colonization is not acquired in the hospital. Since lymph node metastasis colorectal cancer patients inevitably require adjuvant chemotherapy and C. difficile infection may halt the ongoing treatment, the call for sustained monitoring of C. difficile in those patients is apparently urgent.
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Affiliation(s)
- Yi Zheng
- Cancer Biotherapy Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yun Luo
- Department of Microbiology, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | | | - Chen Huang
- Department of Microbiology, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Qinsong Sheng
- Department of Colorectal Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Peng Zhao
- Cancer Biotherapy Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Julian Ye
- Department of Microbiology, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Weiqin Jiang
- Cancer Biotherapy Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Lulu Liu
- Cancer Biotherapy Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xiaojun Song
- Department of Microbiology, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Zhou Tong
- Cancer Biotherapy Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Wenbin Chen
- Department of Colorectal Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jianjiang Lin
- Department of Colorectal Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yi-Wei Tang
- Department of Laboratory Medicine, Memorial Sloan Kettering Cancer Center; Department of Pathology and Medicine, Weill Medical College of Cornell University, New York, NY, USA
| | - Dazhi Jin
- Department of Microbiology, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Weijia Fang
- Cancer Biotherapy Center, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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Bloomfield LE, Riley TV. Epidemiology and Risk Factors for Community-Associated Clostridium difficile Infection: A Narrative Review. Infect Dis Ther 2016; 5:231-51. [PMID: 27370914 PMCID: PMC5019973 DOI: 10.1007/s40121-016-0117-y] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Indexed: 12/13/2022] Open
Abstract
Clostridium difficile infection (CDI) was once considered a primarily nosocomial concern. Emerging evidence from the last 20 years has highlighted a drastic shift in the known epidemiology of CDI, with disease outside of hospitals apparently occurring more frequently and causing severe disease in populations that were thought to be at low risk. This narrative review summarises potential pathways for infection outside of the hospital environment and highlights likely routes of transmission. Further, evidence is presented on potential risk factors for development of disease. Understanding the epidemiology of CDI outside of hospitals is essential to the ability to prevent and control disease in vulnerable populations.
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Affiliation(s)
- Lauren E Bloomfield
- School of Health Sciences, Flinders University, Bedford Park, SA, Australia
- Western Australian Department of Health, Communicable Diseases Control Directorate, Shenton Park, WA, Australia
| | - Thomas V Riley
- Department of Microbiology, PathWest Laboratory Medicine, Queen Elizabeth II Medical Centre, Nedlands, WA, Australia.
- School of Medical and Health Sciences, Edith Cowan University, Joondalup Drive, Joondalup, 6027, WA, Australia.
- School of Veterinary and Life Sciences, Murdoch University, South Street, Murdoch, 6150, WA, Australia.
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Surveillance of Antibiotic Resistance among Hospital- and Community-Acquired Toxigenic Clostridium difficile Isolates over 5-Year Period in Kuwait. PLoS One 2016; 11:e0161411. [PMID: 27536994 PMCID: PMC4990247 DOI: 10.1371/journal.pone.0161411] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 08/04/2016] [Indexed: 12/19/2022] Open
Abstract
Clostridium difficile infection (CDI) is a leading and an important cause of diarrhea in a healthcare setting especially in industrialized countries. Community-associated CDI appears to add to the burden on healthcare setting problems. The aim of the study was to investigate the antimicrobial resistance of healthcare-associated and community-acquired C. difficile infection over 5 years (2008–2012) in Kuwait. A total of 111 hospital-acquired (HA-CD) and 35 community-acquired Clostridium difficile (CA-CD) clinical isolates from stool of patients with diarrhoea were studied. Antimicrobial susceptibility testing of 15 antimicrobial agents against these pathogens was performed using E test method. There was no evidence of resistance to amoxicillin-clavulanic acid, daptomycin, linezolid, piperacillin-tazobactam, teicoplanin and vancomycin by both HA-CD and CA-CD isolates. Metronidazole had excellent activity against CA-CD but there was a 2.9% resistance rate against HA-CD isolates. Ampicillin, clindamycin, levofloxacin and imipenem resistance rates among the HC-CD vs. CA-CD isolates were 100 vs. 47.4%; 43 vs. 47.4%; 100 vs. 100% and 100 vs. 89%, respectively. An unexpected high rifampicin resistance rate of 15.7% emerged amongst the HA-CD isolates. In conclusion, vancomycin resistance amongst the HA-CD and CA-CD isolates was not encountered in this series but few metronidazole resistant hospital isolates were isolated. High resistance rates of ampicillin, clindamycin, levofloxacin, and imipenem resistance were evident among both CA-CD and HA-CD isolates. Rifampicin resistance is emerging among the HA-CD isolates.
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Flooding and Clostridium difficile Infection: A Case-Crossover Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2015; 12:6948-64. [PMID: 26090609 PMCID: PMC4483742 DOI: 10.3390/ijerph120606948] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 06/02/2015] [Accepted: 06/08/2015] [Indexed: 01/03/2023]
Abstract
Clostridium difficile is a bacterium that can spread by water. It often causes acute gastrointestinal illness in older adults who are hospitalized and/or receiving antibiotics; however, community-associated infections affecting otherwise healthy individuals have become more commonly reported. A case-crossover study was used to assess emergency room (ER) and outpatient visits for C. difficile infection following flood events in Massachusetts from 2003 through 2007. Exposure status was based on whether or not a flood occurred prior to the case/control date during the following risk periods: 0-6 days, 7-13 days, 14-20 days, and 21-27 days. Fixed-effects logistic regression was used to estimate the risk of diagnosis with C. difficile infection following a flood. There were 129 flood events and 1575 diagnoses of C. difficile infection. Among working age adults (19-64 years), ER and outpatient visits for C. difficile infection were elevated during the 7-13 days following a flood (Odds Ratio, OR = 1.69; 95% Confidence Interval, CI: 0.84, 3.37). This association was more substantial among males (OR = 3.21; 95% CI: 1.01-10.19). Associations during other risk periods were not observed (p < 0.05). Although we were unable to differentiate community-associated versus nosocomial infections, a potential increase in C. difficile infections should be considered as more flooding is projected due to climate change.
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Fang WJ, Jing DZ, Luo Y, Fu CY, Zhao P, Qian J, Tian BR, Chen XG, Zheng YL, Zheng Y, Deng J, Zou WH, Feng XR, Liu FL, Mou XZ, Zheng SS. Clostridium difficile carriage in hospitalized cancer patients: a prospective investigation in eastern China. BMC Infect Dis 2014; 14:523. [PMID: 25267108 PMCID: PMC4261591 DOI: 10.1186/1471-2334-14-523] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Accepted: 09/25/2014] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Clostridium difficile carriage has been considered as a potential source for the deadly infection, but its role in cancer patients is still unclear. We aimed to identify the clinical and immunological factors that are related to C. difficile carriage in Chinese cancer patients. METHODS A total of 400 stool samples were collected from cancer patients who received chemotherapy in three hospitals of eastern China. Bacterial genomic DNA was extracted and two toxin genes (tcdA and tcdB) were detected. PCR ribotyping was performed using capillary gel electrophoresis. Concentrations of prostaglandin E2 (PGE2), transforming growth factor beta (TGF-β) and interleukin-10 (IL-10) were measured using enzyme-linked immunosorbent assay (ELISA) kits. RESULTS Eighty-two (20.5%) samples were confirmed to be C. difficile-positive and positive for tpi, tcdA, and tcdB genes. The C. difficile-positive rates in patients with diarrhea and no diarrhea were 35% and 19.7%, respectively (p = 0.09). Patients who were younger than 50 years old and were hospitalized for at least 10 days had a C. difficile-positive rate as high as 35%. In contrast, patients who were older than 50 years old and were hospitalized for less than 10 days had a C. difficile-positive rate of only 12.7% (p = 0.0009). No association was found between C. difficile carriage and chemotherapy regimen, antibiotic drug use, or immunosuppressive mediators, such as prostaglandin E2 (PGE2), transforming growth factor beta (TGF-β), or interleukin-10 (IL-10). Twelve ribotypes of C. difficile were identified, but none of them belonged to ribotype 027. CONCLUSIONS We conclude that younger patients and those with longer hospitalization stays may be more prone to C. difficile carriage. Studies of larger populations are warranted to clarify the exact role of C. difficile carriage in hospitalized cancer patients in China.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Shu-Sen Zheng
- First Affiliated Hospital, School of Medicine, ZheJiang University, 79 Qinchun Road, Hangzhou 310006, China.
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Novak A, Spigaglia P, Barbanti F, Goic-Barisic I, Tonkic M. First clinical and microbiological characterization of Clostridium difficile infection in a Croatian University Hospital. Anaerobe 2014; 30:18-23. [PMID: 25079669 DOI: 10.1016/j.anaerobe.2014.07.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 07/15/2014] [Accepted: 07/18/2014] [Indexed: 01/16/2023]
Abstract
Clinical background and molecular epidemiology of Clostridium difficile infection (CDI) in the University Hospital Centre Split were investigated from January 2010 to December 2011. In total, 54 patients with first episode of CDI were consecutively included in the study based on the positive EIA test specific for A and B toxins. Demographic and clinical data were prospectively analyzed from medical records. CDI incidence rate was 0.6 per 10,000 patient-days. Thirty six cases (70.6%) were healthcare-associated, twelve cases (23.5%) were community-associated and three (5.9%) were indeterminate. Six patients (11.7%) had suffered one or more recurrences and 37 patients (72.5%) showed severe CDI. Prior therapy with third generation cephalosporin was significantly associated with severe CDI (P<0.021). Fifty four toxigenic C. difficile strains were isolated and 50 of them were available for PCR-ribotyping. Sixteen different PCR-ribotypes were identified. The most prevalent were PCR-ribotype 001 (27.8%) and 014/020 (24.1%). Twenty three strains were resistant to at least one of the antibiotics tested. Among resistant strains, three (13.0%)--all PCR-ribotype 001--were multi-resistant. Resistance to fluoroquinolones was significantly higher in strains that caused infection after previous use of fluoroquinolones (P=0.04).
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Affiliation(s)
- Anita Novak
- University Hospital Centre Split, Croatia; University of Split School of Medicine, Split, Croatia.
| | - Patrizia Spigaglia
- Department of Infectious, Parasitic and Immunomediated Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Fabrizio Barbanti
- Department of Infectious, Parasitic and Immunomediated Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Ivana Goic-Barisic
- University Hospital Centre Split, Croatia; University of Split School of Medicine, Split, Croatia
| | - Marija Tonkic
- University Hospital Centre Split, Croatia; University of Split School of Medicine, Split, Croatia
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Robinson CD, Auchtung JM, Collins J, Britton RA. Epidemic Clostridium difficile strains demonstrate increased competitive fitness compared to nonepidemic isolates. Infect Immun 2014; 82:2815-25. [PMID: 24733099 PMCID: PMC4097623 DOI: 10.1128/iai.01524-14] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 04/10/2014] [Indexed: 12/18/2022] Open
Abstract
Clostridium difficile infection is the most common cause of severe cases of antibiotic-associated diarrhea (AAD) and is a significant health burden. Recent increases in the rate of C. difficile infection have paralleled the emergence of a specific phylogenetic clade of C. difficile strains (ribotype 027; North American pulsed-field electrophoresis 1 [NAP1]; restriction endonuclease analysis [REA] group BI). Initial reports indicated that ribotype 027 strains were associated with increased morbidity and mortality and might be hypervirulent. Although subsequent work has raised some doubt as to whether ribotype 027 strains are hypervirulent, the strains are considered epidemic isolates that have caused severe outbreaks across the globe. We hypothesized that one factor that could lead to the increased prevalence of ribotype 027 strains would be if these strains had increased competitive fitness compared to strains of other ribotypes. We developed a moderate-throughput in vitro model of C. difficile infection and used it to test competition between four ribotype 027 clinical isolates and clinical isolates of four other ribotypes (001, 002, 014, and 053). We found that ribotype 027 strains outcompeted the strains of other ribotypes. A similar competitive advantage was observed when two ribotype pairs were competed in a mouse model of C. difficile infection. Based upon these results, we conclude that one possible mechanism through which ribotype 027 strains have caused outbreaks worldwide is their increased ability to compete in the presence of a complex microbiota.
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Affiliation(s)
- Catherine D Robinson
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Jennifer M Auchtung
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - James Collins
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Robert A Britton
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
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Clostridium perfringens and Clostridium difficile in cooked beef sold in Côte d'Ivoire and their antimicrobial susceptibility. Anaerobe 2014; 28:90-4. [PMID: 24944124 DOI: 10.1016/j.anaerobe.2014.05.012] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2014] [Revised: 05/22/2014] [Accepted: 05/23/2014] [Indexed: 01/05/2023]
Abstract
The aim of this study was to evaluate the prevalence of Clostridium difficile and Clostridium perfringens in cooked beef sold in the streets in Côte d'Ivoire and their antimicrobial susceptibility. A total of 395 kidney and flesh samples of cooked beef were collected from vendors at Abidjan and subjected to C. difficile and C. perfringens isolation and identification by using biochemical tests, API 20A system and PCR detection. Subsequently, the antimicrobial susceptibility test was performed for confirmed isolates. Our results showed the prevalence of 12.4% for C. difficile (11.04% in kidney and 13.45% in flesh) and 5.06% for C. perfringens (2.32% in kidney and 7.17% in flesh). Metronidazole and vancomycin remained the most potent antimicrobial agents against C. difficile while metronidazole and penicillin G were the most potent agents against C. perfringens. The resistance rates to tetracycline, doxycycline, chloramphenicol and erythromycin against C. difficile and C. perfringens isolates ranged from 2.05% to 8.16% and from 20% to 50%, respectively. Among all antimicrobial agents tested against C. difficile, percentages of resistance to quinolones ciprofloxacin, norfloxacin and nalidixic acid as well as to gentamicin and cefotaxime were the highest. Eight resistant phenotypes were defined for C. difficile isolates and eleven resistant phenotypes for C. perfringens isolates. Clindamycin/gentamicin/cefotaxime/ciprofloxacin/norfloxacin/nalidixic acid resistance was the most common phenotype for C. difficile (55.10% of isolates) while norfloxacin/nalidixic acid resistance was the most common phenotype for C. perfringens (20% of isolates).
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12
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Clostridium difficile in foods and animals: history and measures to reduce exposure. Anim Health Res Rev 2013; 14:11-29. [PMID: 23324529 DOI: 10.1017/s1466252312000229] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Many articles have summarized the changing epidemiology of Clostridium difficile infections (CDI) in humans, but the emerging presence of C. difficile in foods and animals and possible measures to reduce human exposure to this important pathogen have been infrequently addressed. CDIs have traditionally been assumed to be restricted to health-care settings. However, recent molecular studies indicate that this is no longer the case; animals and foods might be involved in the changing epidemiology of CDIs in humans; and genome sequencing is disproving person-to-person transmission in hospitals. Although zoonotic and foodborne transmission have not been confirmed, it is evident that susceptible people can be inadvertently exposed to C. difficile from foods, animals, or their environment. Strains of epidemic clones present in humans are common in companion and food animals, raw meats, poultry products, vegetables, and ready-to-eat foods, including salads. In order to develop science-based prevention strategies, it is critical to understand how C. difficile reaches foods and humans. This review contextualizes the current understanding of CDIs in humans, animals, and foods. Based on available information, we propose a list of educational measures that could reduce the exposure of susceptible people to C. difficile. Enhanced educational efforts and behavior change targeting medical and non-medical personnel are needed.
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Bowler PG, Welsby S, Towers V, Booth R, Hogarth A, Rowlands V, Joseph A, Jones SA. Multidrug-resistant organisms, wounds and topical antimicrobial protection. Int Wound J 2012; 9:387-96. [PMID: 22640181 DOI: 10.1111/j.1742-481x.2012.00991.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Multidrug-resistant organisms (MDROs) are increasingly implicated in both acute and chronic wound infections. The limited therapeutic options are further compromised by the fact that wound bacteria often co-exist within a biofilm community which enhances bacterial tolerance to antibiotics. As a consequence, topical antiseptics may be an important consideration for minimising the opportunity for wound infections involving MDROs. The objective of this research was to investigate the antimicrobial activity of a silver-containing gelling fibre dressing against a variety of MDROs in free-living and biofilm states, using stringent in vitro models designed to simulate a variety of wound conditions. MDROs included Acinetobacter baumannii, community-associated methicillin-resistant Staphylococcus aureus, and extended-spectrum beta-lactamase-producing bacteria. Clostridium difficile was also included in the study because it carries many of the characteristics seen in MDROs and evidence of multidrug resistance is emerging. Sustained in vitro antimicrobial activity of the silver-containing dressing was shown against 10 MDROs in a simulated wound fluid over 7 days, and inhibitory and bactericidal effects against both free-living and biofilm phenotypes were also consistently shown in simulated colonised wound surface models. The in vitro data support consideration of the silver-containing gelling fibre dressing as part of a protocol of care in the management of wounds colonised or infected with MDROs.
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Affiliation(s)
- Philip G Bowler
- Infection Prevention R&D, ConvaTec Global Development Centre, First Avenue, Deeside Industrial Park, Deeside, Flintshire CH5 2NU, UK.
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Prospective observational study comparing three different treatment regimes in patients with Clostridium difficile infection. Antimicrob Agents Chemother 2012; 56:1974-8. [PMID: 22252830 DOI: 10.1128/aac.05647-11] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
In a hospital-based, prospective cohort study, the effects of the three standard treatment regimens for mild Clostridium difficile infection (CDI), oral (p.o.) metronidazole at 500 mg three times/day, intravenous (i.v.) metronidazole at 500 mg three times/day, and oral (p.o.) vancomycin at 250 mg four times/day, were compared with respect to the risk of occurrence of complications, sequelae, and all-cause death within 30 days after the date of starting treatment. Differences in the incidence of these outcomes were tested by χ² or Fisher's exact tests. A Poisson regression model was performed to control for possible confounding effects of sex, age, and severity of comorbidity categorized according to the Charlson comorbidity index. The highest mortality was observed in the metronidazole i.v. group, with a mortality rate 38.1% (16/42) compared to mortality rates of 7.4% (9/121) in the metronidazole p.o. group and 9.5% (4/42) in the vancomycin p.o. group (P < 0.001). After adjustment for possible effects of sex, age (> 65 years), and severity of comorbidity, the relative risk of a 30-day fatal outcome for patients receiving metronidazole i.v. was 4.3 (95% confidence interval [CI] = 1.92 to 10; P < 0.0001) compared to patients treated with metronidazole p.o. and 4.0 (95% CI = 1.31 to 5.0; P < 0.015) compared to patients treated with vancomycin p.o. There were no significant differences in the risk of complications between the three treatment groups. This study generates the hypothesis that treatment with i.v. metronidazole is inferior to the oral alternatives metronidazole and vancomycin.
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Keessen E, Gaastra W, Lipman L. Clostridium difficile infection in humans and animals, differences and similarities. Vet Microbiol 2011; 153:205-17. [DOI: 10.1016/j.vetmic.2011.03.020] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2010] [Revised: 03/07/2011] [Accepted: 03/17/2011] [Indexed: 01/05/2023]
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The relation between farm specific factors and prevalence of Clostridium difficile in slaughter pigs. Vet Microbiol 2011; 154:130-4. [DOI: 10.1016/j.vetmic.2011.06.032] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Revised: 06/09/2011] [Accepted: 06/23/2011] [Indexed: 11/19/2022]
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Scientific Opinion on the substantiation of a health claim related to fermented milk containing Lactobacillus casei DN‐114 001 plus yoghurt symbiosis (Actimel®), and reduction of Clostridium difficile toxins in the gut of patients receiving antibiotics and reduced risk of acute diarrhoea in patients receiving antibiotics pursuant to Article 14 of Regulation (EC) No 1924/2006. EFSA J 2010. [DOI: 10.2903/j.efsa.2010.1903] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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de Boer E, Zwartkruis-Nahuis A, Heuvelink AE, Harmanus C, Kuijper EJ. Prevalence of Clostridium difficile in retailed meat in the Netherlands. Int J Food Microbiol 2010; 144:561-4. [PMID: 21131085 DOI: 10.1016/j.ijfoodmicro.2010.11.007] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2010] [Revised: 11/01/2010] [Accepted: 11/04/2010] [Indexed: 01/01/2023]
Abstract
Recent reports indicate that a large proportion of community-acquired Clostridium difficile infections (CA-CDI) are not linked to recent antibiotic therapy, older age, significant comorbidity or previous hospitalization. Possible community sources for CA-CDI include animals and food, and therefore a surveillance study on the prevalence of C. difficile in meat was performed. Samples of different meat species were collected from the retail trade and analyzed for the presence of C. difficile using a method that included selective enrichment in C. difficile broth, subsequent alcohol shock-treatment and plating onto C. difficile selective medium. C. difficile isolates were tested for the presence of toxin genes and were typed using PCR ribotyping. Of 500 samples tested, 8 (1.6%) were positive for the presence of C. difficile: 1 from lamb (6.3%) and 7 from chicken meat (2.7%). The isolated strains belonged to PCR ribotypes different from those that are currently most frequently found in patients with CDI in the Netherlands, except for C. difficile PCR ribotype 001 which was found in one chicken meat sample. This observation suggests that other matrices than meat may serve as a source for CA-CDI.
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Affiliation(s)
- Enne de Boer
- Food and Consumer Product Safety Authority (VWA), PO Box 202, 7200 AE Zutphen, The Netherlands.
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Souza Dias MB, Yamashiro J, Borrasca VL, Stempliuk VA, Araújo MRE, Costa SF, Levin AS. Pseudo-outbreak of Clostridium difficile associated diarrhea (CDAD) in a tertiary-care hospital. Rev Inst Med Trop Sao Paulo 2010; 52:133-7. [PMID: 20602022 DOI: 10.1590/s0036-46652010000300004] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2010] [Accepted: 05/06/2010] [Indexed: 01/26/2023] Open
Abstract
The objective of this study was to describe a pseudo-outbreak of C. difficile in a hospital, following a change in the method used to detect the toxin. In February 2002, there were two cases of CDAD and in March 7 occurred, coinciding with a change of the test (from detection of toxin A to toxin A/B). An outbreak was suspected. Active surveillance and education of staff were started. A CDAD case was defined as a patient with acute onset of diarrhea (> or = three episodes of liquid stools) and a positive stool test. They were classified as hospital or community-acquired. Stool samples were also collected for C. difficile culture and isolates were typed using AP-PCR. From March 2002 through December 2003 there were 138 cases of CDAD: 70% were hospital-acquired and among the 30% with CDAD present on admission, most (81%) came directly from the community (50% had no history of hospitalization). Fifty-two percent of hospital-acquired CDAD and 94% of cases on admission had already used antibiotics. The incidence of CDAD in hospitalized patients during surveillance was 3.3 per 1000 patient-admissions. The incidence of CDAD present on admission was 6.1/1000 patients. Sixteen isolates were typed and presented 13 different profiles. In conclusion, the CDAD increase in our study occurred due to change in diagnostic methods and not due to an outbreak, as suspected initially. The incidence in hospitalized patients was much lower than in reported outbreaks. There were 13 molecular types suggesting that an outbreak did not occur. CDAD was largely community-acquired.
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Smith SM. An update on Clostridium difficile infection and its management. Nurs Womens Health 2010; 14:391-397. [PMID: 20955528 DOI: 10.1111/j.1751-486x.2010.01578.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
MESH Headings
- Anti-Infective Agents/adverse effects
- Anti-Infective Agents/therapeutic use
- Clostridioides difficile/isolation & purification
- Clostridium Infections/diagnosis
- Clostridium Infections/drug therapy
- Clostridium Infections/nursing
- Contraindications
- Female
- Humans
- Infant, Newborn
- Infant, Newborn, Diseases/diagnosis
- Infant, Newborn, Diseases/microbiology
- Infant, Newborn, Diseases/nursing
- Pregnancy
- Pregnancy Complications, Infectious/diagnosis
- Pregnancy Complications, Infectious/etiology
- Pregnancy Complications, Infectious/nursing
- Risk Factors
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Affiliation(s)
- Soledad M Smith
- University of Louisiana at Lafayette, College of Nursing and Allied Health Professions, Lafayette, LA, USA.
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Riley TV. From obscurity to ‘superbug’ – The rise of Clostridium difficile. ACTA ACUST UNITED AC 2010. [DOI: 10.1071/hi10028] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Fellmeth G, Yarlagadda S, Iyer S. Epidemiology of community-onset Clostridium difficile infection in a community in the South of England. J Infect Public Health 2010; 3:118-23. [PMID: 20869672 DOI: 10.1016/j.jiph.2010.07.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2009] [Revised: 06/22/2010] [Accepted: 07/02/2010] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND AND AIMS Clostridium difficile infection (CDI) has traditionally been considered a hospital acquired infection but there are a rising number of infections in the community. This study estimates the prevalence of community-onset CDI (CO-CDI), defined as onset of symptoms in a community setting and outside the hospital, and examines the risk factors for CO-CDI in 2-64 year-olds. METHODS A standard questionnaire was used to retrospectively obtain information on the CDI risk factors of 58 cases of CO-CDI diagnosed between 1st April 2008 and 31st March 2009 in a community in the South of England. Each case was reviewed for the presence of 'established' risk factors for CDI, i.e., age ≥65 years, in-patient hospital stay, and recent (within ≤4 weeks) receipt of broad spectrum antibiotics, and other, 'non-established' risk factors for CDI, such as exposure to antibiotics more than 4 weeks preceding symptom onset, out-patient and day-surgery hospital exposure, contact with a hospitalised patient, and travel outside of the UK. RESULTS Fifty-eight cases of CO-CDI were diagnosed among a total community population of 418,000, representing an estimated prevalence of CO-CDI of 1.29 per 10,000. All 58 cases were successfully contacted, representing a 100% response rate. Four cases were excluded from further analysis due to co-infection with Salmonella spp. and Campylobacter spp. Cases were more likely to be female, aged between 31 and 40 years, and present in the spring season (March-May), 2009. 46.3% (25/54) of cases had established risk factors for CDI, 20.4% (11/54) had non-established risk factors, 16.7% (9/54) had no risk factors and in the remaining 16.7% (9/54), available information was insufficient to classify by risk factor category. CONCLUSIONS This study suggests that CDI should be included in the differential diagnosis of community-onset diarrhea in patients with or without established risk factors for CDI.
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Affiliation(s)
- Gracia Fellmeth
- Public Health Directorate, NHS Berkshire West, Reading, United Kingdom.
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Riley TV, Thean S, Hool G, Golledge CL. First Australian isolation of epidemic Clostridium difficile PCR ribotype 027. Med J Aust 2009; 190:706-8. [PMID: 19527210 DOI: 10.5694/j.1326-5377.2009.tb02644.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2009] [Accepted: 05/05/2009] [Indexed: 11/17/2022]
Abstract
We report the first isolation in Australia of a hypervirulent epidemic strain of Clostridium difficile, PCR ribotype 027. It was isolated from a 43-year-old woman with a permanent ileostomy, who appears to have been infected while travelling in the United States. The isolate was positive for toxin A, toxin B and binary toxin, and resistant to fluoroquinolone antimicrobials, and had characteristic deletions in the tcdC gene. All diagnostic laboratories and health care facilities in Australia should now be on high alert for this organism.
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Affiliation(s)
- Thomas V Riley
- Microbiology and Immunology, University of Western Australia, Perth, WA, Australia.
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Riley TV. Is Clostridium difficile a threat to Australia's biosecurity? Med J Aust 2009; 190:661-2. [DOI: 10.5694/j.1326-5377.2009.tb02630.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2009] [Accepted: 03/10/2009] [Indexed: 11/17/2022]
Affiliation(s)
- Thomas V Riley
- Microbiology and Immunology, University of Western Australia, and PathWest Laboratory Medicine (WA), Queen Elizabeth II Medical Centre, Perth, WA
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