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Kim J, Myung R, Kim B, Kim J, Kim T, Lee MS, Kim UJ, Park DW, Kim YS, Lee CS, Kim ES, Lee SH, Chang HH, Lee SS, Park SY, Choi HJ, Kim HI, Ha YE, Wi YM, Choi S, Shin SY, Pai H. Incidence of Clostridioides difficile Infections in Republic of Korea: A Prospective Study With Active Surveillance vs. National Data From Health Insurance Review & Assessment Service. J Korean Med Sci 2024; 39:e118. [PMID: 38565175 PMCID: PMC10985502 DOI: 10.3346/jkms.2024.39.e118] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 02/14/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Since the emergence of hypervirulent strains of Clostridioides difficile, the incidence of C. difficile infections (CDI) has increased significantly. METHODS To assess the incidence of CDI in Korea, we conducted a prospective multicentre observational study from October 2020 to October 2021. Additionally, we calculated the incidence of CDI from mass data obtained from the Health Insurance Review and Assessment Service (HIRA) from 2008 to 2020. RESULTS In the prospective study with active surveillance, 30,212 patients had diarrhoea and 907 patients were diagnosed with CDI over 1,288,571 patient-days and 193,264 admissions in 18 participating hospitals during 3 months of study period; the CDI per 10,000 patient-days was 7.04 and the CDI per 1,000 admission was 4.69. The incidence of CDI was higher in general hospitals than in tertiary hospitals: 6.38 per 10,000 patient-days (range: 3.25-12.05) and 4.18 per 1,000 admissions (range: 1.92-8.59) in 11 tertiary hospitals, vs. 9.45 per 10,000 patient-days (range: 5.68-13.90) and 6.73 per 1,000 admissions (range: 3.18-15.85) in seven general hospitals. With regard to HIRA data, the incidence of CDI in all hospitals has been increasing over the 13-year-period: from 0.3 to 1.8 per 10,000 patient-days, 0.3 to 1.6 per 1,000 admissions, and 6.9 to 56.9 per 100,000 population, respectively. CONCLUSION The incidence of CDI in Korea has been gradually increasing, and its recent value is as high as that in the United State and Europe. CDI is underestimated, particularly in general hospitals in Korea.
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Affiliation(s)
- Jieun Kim
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Rangmi Myung
- Department of Non-benefits Management, National Health Insurance Service, Wonju, Korea
| | - Bongyoung Kim
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | | | - Tark Kim
- Divison of Infectious Diseases, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
| | - Mi Suk Lee
- Department of Internal Medicine, Kyung Hee University College of Medicine, Seoul, Korea
| | - Uh Jin Kim
- Department of Infectious Diseases, Chonnam National University Medical School, Gwangju, Korea
| | - Dae Won Park
- Division of Infectious Diseases, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Korea
| | - Yeon-Sook Kim
- Division of Infectious Diseases, Chungnam National University School of Medicine, Daejeon, Korea
| | - Chang-Seop Lee
- Department of Internal Medicine and Research Institute of Clinical Medicine, Jeonbuk National University Medical School and Hospital, Jeonju, Korea
| | - Eu Suk Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Sun Hee Lee
- Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea
| | - Hyun-Ha Chang
- Division of Infectious Diseases, Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Seung Soon Lee
- Division of Infectious Diseases, Department of Internal Medicine, Hallym University, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon, Korea
| | - Se Yoon Park
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Hee Jung Choi
- Department of Internal Medicine, Ewha Womans University College of Medicine, Seoul, Korea
| | - Hye In Kim
- Department of Infectious Diseases, Daegu Fatima Hospital, Daegu, Korea
| | - Young Eun Ha
- Department of Infectious Diseases, Bucheon Sejong Hospital, Bucheon, Korea
| | - Yu Mi Wi
- Division of Infectious Diseases, Samsung Changwon Hospital, Sungkyunkwan University, Changwon, Korea
| | - Sungim Choi
- Division of Infectious Diseases, Dongguk University Ilsan Hospital, Goyang, Korea
| | - So Youn Shin
- Department of Infectious Diseases, International St. Mary's Hospital, Catholic Kwandong University College of Medicine, Incheon, Korea
| | - Hyunjoo Pai
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea.
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Manzoor F, Manzoor S, Pinto R, Brown K, Langford BJ, Daneman N. Does this patient have Clostridioides difficile infection? A systematic review and meta-analysis. Clin Microbiol Infect 2023; 29:1367-1374. [PMID: 37327874 DOI: 10.1016/j.cmi.2023.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 05/27/2023] [Accepted: 06/08/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND The clinical features and predictors of Clostridioides difficile infection overlap with many conditions. OBJECTIVES We performed a systematic review to evaluate the diagnostic utility of clinical features (clinical examination, risk factors, laboratory tests, and radiographic findings) associated with C. difficile. METHODS Systematic review and meta-analysis of diagnostic features for C. difficile. DATA SOURCES MEDLINE, EMBASE, CINAHL, and Cochrane databases were searched up to September 2021. STUDY ELIGIBILITY CRITERIA Studies that reported clinical features of C. difficile, a valid reference standard test for confirming diagnosis of C. difficile, and a comparison among patients with a positive and negative test result. PARTICIPANTS Adult and paediatric patients across diverse clinical settings. OUTCOMES Sensitivity, specificity, likelihood ratios. REFERENCE STANDARD Stool nucleic acid amplification tests, enzyme immunoassays, cell cytotoxicity assay, and stool toxigenic culture. ASSESSMENT OF RISK OF BIAS Rational Clinical Examination Series and Quality Assessment of Diagnostic Accuracy Studies-2. METHODS OF DATA SYNTHESIS Univariate and bivariate analyses. RESULTS We screened 11 231 articles of which 40 were included, enabling the evaluation of 66 features for their diagnostic utility for C. difficile (10 clinical examination findings, 4 laboratory tests, 10 radiographic findings, prior exposure to 13 antibiotic types, and 29 clinical risk factors). Of the ten features identified on clinical examination, none were significantly clinically associated with increased likelihood of C. difficile infection. Some features that increased likelihood of C. difficile infection were stool leukocytes (LR+ 5.31, 95% CI 3.29-8.56) and hospital admission in the prior 3 months (LR+ 2.14, 95% CI 1.48-3.11). Several radiographic findings also strongly increased the likelihood of C. difficile infection like ascites (LR+ 2.91, 95% CI 1.89-4.49). DISCUSSION There is limited utility of bedside clinical examination alone in detecting C. difficile infection. Accurate diagnosis of C. difficile infection requires thoughtful clinical assessment for interpretation of microbiologic testing in all suspected cases.
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Affiliation(s)
- Fizza Manzoor
- Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Saba Manzoor
- Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Ruxandra Pinto
- Evaluative Clinical Sciences, Sunnybrook Research Institute, Toronto, ON, Canada
| | - Kevin Brown
- Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Bradley J Langford
- Department of Medicine, University of Toronto, Toronto, ON, Canada; Public Health Ontario, Toronto, ON, Canada
| | - Nick Daneman
- Department of Medicine, University of Toronto, Toronto, ON, Canada; Evaluative Clinical Sciences, Sunnybrook Research Institute, Toronto, ON, Canada.
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Lee EH, Lee HS, Lee KH, Song YG, Han SH. Potential causal effect of contact precautions and isolation on Clostridioides difficile infection in the hyperendemic setting: Interrupted time-series analyses before and after implementation. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2023; 56:1054-1063. [PMID: 37380552 DOI: 10.1016/j.jmii.2023.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 05/19/2023] [Accepted: 06/10/2023] [Indexed: 06/30/2023]
Abstract
BACKGROUND Recent studies disputed the effectiveness of efforts to comply with contact precautions and isolation (CPI) considering relatively low intra-hospital transmission rate of healthcare facility-associated Clostridioides difficile infection (HCFA-CDI). We evaluated the potential causal effect of CPI on HCFA-CDI occurrence by comparing the incidence rate (IR) for different time periods with and without CPI implementation. METHODS Long-term observational time-series data were separated into three periods (pre-CPI: January 2012-March 2016, CPI: April 2016-April 2021, post-CPI: May 2021-December 2022). CPI was suspended owing to the restriction of isolation rooms during the COVID-19 pandemic. We inferred potential causal outcomes by comparing predicted and observed IRs of HCFA-CDI using interrupted time-series analyses, including the Bayesian structural time-series or autoregressive integrated moving average (ARIMA) model in the R-language or SAS software. RESULTS The monthly observed IR (44.9/100,000 inpatient-days) during the CPI period was significantly lower than the predicted IR (90.8) (-50.6% relative effect, P = 0.001). However, the observed IR (52.3) during the post-CPI period was significantly higher than the predicted IR (39.1) (33.6%, P = 0.001). The HCFA-CDI IR decreased during CPI (-14.3, P < 0.001) and increased post-CPI (5.4, P < 0.001) in the multivariable ARIMA model, which controlled for antibiotic usage, handwashing with soap and water, and number of toxin tests. CONCLUSIONS Various time-series models revealed that CPI implementation had a potential causal effect on the reduction of HCFA-CDI incidence.
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Affiliation(s)
- Eun Hwa Lee
- Division of Infectious Disease, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hye Sun Lee
- Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kyoung Hwa Lee
- Division of Infectious Disease, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Young Goo Song
- Division of Infectious Disease, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sang Hoon Han
- Division of Infectious Disease, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea; Institute for Innovation in Digital Healthcare, Yonsei University College of Medicine, Seoul, Republic of Korea.
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Brajerova M, Zikova J, Krutova M. Clostridioides difficile epidemiology in the Middle and the Far East. Anaerobe 2022; 74:102542. [PMID: 35240336 DOI: 10.1016/j.anaerobe.2022.102542] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 02/14/2022] [Accepted: 02/20/2022] [Indexed: 12/18/2022]
Abstract
OBJECTIVES Clostridioides difficile is an important pathogen of healthcare-associated gastrointestinal infections. Recently, an increased number of C. difficile infection (CDI) surveillance data has been reported from Asia. The aim of this review is to summarize the data on the prevalence, distribution and molecular epidemiology of CDI in the Middle and the Far East. METHODS Literature was drawn from a search of PubMed up to September 30, 2021. RESULTS The meta-analysis of data from 111 studies revealed the pooled CDI prevalence rate in the Middle and the Far East of 12.4% (95% CI 11.4-13.3); 48 studies used PCR for CDI laboratory diagnoses. The predominant types (RT)/sequence type (ST) differ between individual countries (24 studies, 14 countries). Frequently found RTs were 001, 002, 012, 017, 018 and 126; RT017 was predominant in the Far East. The epidemic RT027 was detected in 8 countries (22 studies), but its predominance was reported only in three studies (Israel and Iran). The contamination of vegetable and meat or meat products and/or intestinal carriage of C. difficile in food and companion animals have been reported; the C. difficile RTs/STs identified overlapped with those identified in humans. CONCLUSIONS A large number of studies on CDI prevalence in humans from the Middle and the Far East have been published; countries with no available data were identified. The number of studies on C. difficile from non-human sources is limited. Comparative genomic studies of isolates from different sources are needed.
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Affiliation(s)
- Marie Brajerova
- Department of Medical Microbiology, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Czech Republic
| | - Jaroslava Zikova
- Department of Medical Microbiology, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Czech Republic; Department of Genetics and Microbiology, Faculty of Science, Charles University, Czech Republic
| | - Marcela Krutova
- Department of Medical Microbiology, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Czech Republic.
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5
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Ahn SW, Lee SH, Kim UJ, Jang HC, Choi HJ, Choy HE, Kang SJ, Roh SW. Genomic characterization of nine Clostridioides difficile strains isolated from Korean patients with Clostridioides difficile infection. Gut Pathog 2021; 13:55. [PMID: 34530913 PMCID: PMC8447795 DOI: 10.1186/s13099-021-00451-3] [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: 07/06/2021] [Accepted: 09/08/2021] [Indexed: 12/14/2022] Open
Abstract
Background Clostridioides difficile infection (CDI) is an infectious nosocomial disease caused by Clostridioides difficile, an opportunistic pathogen that occurs in the intestine after extensive antibiotic regimens. Results Nine C. difficile strains (CBA7201–CBA7209) were isolated from nine patients diagnosed with CDI at the national university hospital in Korea, and the whole genomes of these strains were sequenced to identify their genomic characteristics. Comparative genomic analysis was performed using 51 reference strains and the nine isolated herein. Phylogenetic analysis based on 16S rRNA gene sequences confirmed that all 60 C. difficile strains belong to the genus Clostridioides, while core-genome tree indicated that they were divided into five groups, which was consistent with the results of MLST clade analysis. All strains were confirmed to have a clindamycin antibiotic resistance gene, but the other antibiotic resistance genes differ depending on the MLST clade. Interestingly, the six strains belonging to the sequence type 17 among the nine C. difficile strains isolated here exhibited unique genomic characteristics for PaLoc and CdtLoc, the two toxin gene loci identified in this study, and harbored similar antibiotic resistance genes. Conclusion In this study, we identified the specific genomic characteristics of Korean C. difficile strains, which could serve as basic information for CDI prevention and treatment in Korea. Supplementary Information The online version contains supplementary material available at 10.1186/s13099-021-00451-3.
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Affiliation(s)
- Seung Woo Ahn
- Microbiology and Functionality Research Group, World Institute of Kimchi, 86, Kimchi-ro, Nam-gu, 61755, Gwangju, Republic of Korea
| | - Se Hee Lee
- Microbiology and Functionality Research Group, World Institute of Kimchi, 86, Kimchi-ro, Nam-gu, 61755, Gwangju, Republic of Korea
| | - Uh Jin Kim
- Department of Infectious Diseases, Chonnam National University Hospital, 61469, Gwangju, Republic of Korea
| | - Hee-Chang Jang
- Department of Infectious Diseases, Chonnam National University Hospital, 61469, Gwangju, Republic of Korea
| | - Hak-Jong Choi
- Microbiology and Functionality Research Group, World Institute of Kimchi, 86, Kimchi-ro, Nam-gu, 61755, Gwangju, Republic of Korea
| | - Hyon E Choy
- Department of Microbiology, Chonnam National University Medical School, 61469, Gwangju, Republic of Korea
| | - Seung Ji Kang
- Department of Infectious Diseases, Chonnam National University Hospital, 61469, Gwangju, Republic of Korea.
| | - Seong Woon Roh
- Microbiology and Functionality Research Group, World Institute of Kimchi, 86, Kimchi-ro, Nam-gu, 61755, Gwangju, Republic of Korea.
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Abstract
Clostridium (reclassified as " Clostridioides ") difficile infection (CDI) is a healthcare-associated infection and significant source of potentially preventable morbidity, recurrence, and death, particularly among hospitalized older adults. Additional risk factors include antibiotic use and severe underlying illness. The increasing prevalence of community-associated CDI is gaining recognition as a novel source of morbidity in previously healthy patients. Even after recovery from initial infection, patients remain at risk for recurrence or reinfection with a new strain. Some pharmaco-epidemiologic studies have suggested an increased risk associated with proton pump inhibitors and protective effect from statins, but these findings have not been uniformly reproduced in all studies. Certain ribotypes of C. difficile , including the BI/NAP1/027, 106, and 018, are associated with increased antibiotic resistance and potential for higher morbidity and mortality. CDI remains a high-morbidity healthcare-associated infection, and better understanding of ribotypes and medication risk factors could help to target treatment, particularly for patients with high recurrence risk.
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Affiliation(s)
- Ana C. De Roo
- Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, Michigan
- Department of Surgery, University of Michigan, Ann Arbor, Michigan
| | - Scott E. Regenbogen
- Center for Healthcare Outcomes and Policy, University of Michigan, Ann Arbor, Michigan
- Department of Surgery, University of Michigan, Ann Arbor, Michigan
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Wu KS, Syue LS, Cheng A, Yen TY, Chen HM, Chiu YH, Hsu YL, Chiu CH, Su TY, Tsai WL, Chen WY, Huang CH, Hung HM, Huang LJ, Kuo HJ, Lin PC, Yang CH, Hong PL, Lee SSJ, Chen YS, Liu YC, Huang LM. Recommendations and guidelines for the treatment of Clostridioides difficile infection in Taiwan. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2020; 53:191-208. [PMID: 32169531 DOI: 10.1016/j.jmii.2020.02.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 01/19/2020] [Accepted: 02/01/2020] [Indexed: 12/13/2022]
Abstract
Clostridioides difficile infection (CDI) is a major enteric disease associated with antibiotic use and a leading cause of hospital-acquired infections worldwide. This is the first guideline for treatment of CDI in Taiwan, aiming to optimize medical care for patients with CDI. The target audience of this document includes all healthcare personnel who are involved in the medical care of patients with CDI. The 2018 Guidelines Recommendations for Evidence-based Antimicrobial agents use in Taiwan (GREAT) working group was formed, comprising of infectious disease specialists from 13 medical centers in Taiwan, to review the evidence and draft recommendations using the grading of recommendations assessment, development, and evaluation (GRADE) methodology. A nationwide expert panel reviewed the recommendations during a consensus meeting in March 2019. The recommendation is endorsed by the Infectious Diseases Society of Taiwan (IDST). This guideline describes the epidemiology and risk factors of CDI, and provides recommendations for treatment of CDI in both adults and children. Recommendations for treatment of the first episode of CDI, first recurrence, second and subsequent recurrences of CDI, severe CDI, fulminant CDI, and pediatric CDI are provided.
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Affiliation(s)
- Kuan-Sheng Wu
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan; Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Ling-Shan Syue
- Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Aristine Cheng
- Division of Infectious Diseases, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ting-Yu Yen
- Departments of Pediatrics, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Hsien-Meng Chen
- Division of Infectious Disease, Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan
| | - Yu-Hsin Chiu
- Division of Infectious Diseases, Chi-Mei Medical Center, Tainan, Taiwan
| | - Yu-Lung Hsu
- Division of Pediatric Infectious Diseases, China Medical University Children's Hospital, China Medical University, Taichung, Taiwan
| | - Chun-Hsiang Chiu
- Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Ting-Yi Su
- Division of Infectious Diseases, Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Wan-Lin Tsai
- Department of Pediatrics, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Wei-Yu Chen
- Division of General Medicine, Infectious Disease, Department of Internal Medicine, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Chung-Hao Huang
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Huei-Min Hung
- Department of Pediatrics, Chang Gung Children's Hospital, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ling-Ju Huang
- Division of General Medicine, Infectious Diseases, Department of Internal Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Hong-Jie Kuo
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Pei-Chin Lin
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan; Department of Pharmacy, School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ching-Hsiang Yang
- Department of Pharmacy, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Pi-Lien Hong
- Department of Pharmacy, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Susan Shin-Jung Lee
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan; Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan.
| | - Yao-Shen Chen
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan; Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Yung-Ching Liu
- Division of Infectious Diseases, Taipei Medical University Shuang Ho Hospital, Taipei, Taiwan
| | - Li-Ming Huang
- Departments of Pediatrics, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
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Ho J, Wong SH, Doddangoudar VC, Boost MV, Tse G, Ip M. Regional differences in temporal incidence of Clostridium difficile infection: a systematic review and meta-analysis. Am J Infect Control 2020; 48:89-94. [PMID: 31387772 DOI: 10.1016/j.ajic.2019.07.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 07/07/2019] [Accepted: 07/08/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND Previous decades have witnessed a change in the epidemiology of Clostridium difficile infections. This study aimed to determine temporal trends in the incidence of C difficile infection across geographic regions. METHODS An initial search of the relevant literature was conducted from date inception to October 2018 without language restriction. We estimated the pooled incidences using logit transformation, weighted by inverse variance. The Joinpoint Regression Analysis Program was used to explore its temporal trend. RESULTS Globally, the estimated incidence of C difficile infection increased from 6.60 per 10,000 patient-days in 1997 to 13.8 per 10,000 patient-days in 2004. Thereafter, a significant downward trend was observed, at -8.75% annually until 2015. From 2005 to 2015, the incidences in most European countries decreased at a rate between 1.97% and 4.11% per annum, except in France, where an increasing incidence was observed (β = 0.16; P < .001). The incidences have stabilized in North America over the same period; however, in Asia, the incidence increased significantly from 2006 to 2014 (annualized percentage change = 14.4%; P < .001). The increase was greatest in Western Asian countries, including Turkey and Israel (β > 0.10; P < .004). CONCLUSIONS This study revealed rapid changes in the incidence of C difficile infection. This meta-analysis should inform the allocation of resources for controlling C difficile infection and future surveillance efforts in countries where epidemiologic information on C difficile infection remains sparse.
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Affiliation(s)
- Jeffery Ho
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong.
| | - Sunny H Wong
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong
| | - Vijaya C Doddangoudar
- Nitte Gulabi Shetty Memorial Institute of Pharmaceutical Sciences, Nitte University, India
| | - Maureen V Boost
- School of Optometry, The Hong Kong Polytechnic University, Hong Kong
| | - Gary Tse
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong
| | - Margaret Ip
- Department of Microbiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong
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9
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Balsells E, Shi T, Leese C, Lyell I, Burrows J, Wiuff C, Campbell H, Kyaw MH, Nair H. Global burden of Clostridium difficile infections: a systematic review and meta-analysis. J Glob Health 2019; 9:010407. [PMID: 30603078 PMCID: PMC6304170 DOI: 10.7189/jogh.09.010407] [Citation(s) in RCA: 164] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background Clostridium difficile is a leading cause of morbidity and mortality in several countries. However, there are limited evidence characterizing its role as a global public health problem. We conducted a systematic review to provide a comprehensive overview of C. difficile infections (CDI) rates. Methods Seven databases were searched (January 2016) to identify studies and surveillance reports published between 2005 and 2015 reporting CDI incidence rates. CDI incidence rates for health care facility-associated (HCF), hospital onset-health care facility-associated, medical or general intensive care unit (ICU), internal medicine (IM), long-term care facility (LTCF), and community-associated (CA) were extracted and standardized. Meta-analysis was conducted using a random effects model. Results 229 publications, with data from 41 countries, were included. The overall rate of HCF-CDI was 2.24 (95% confidence interval CI = 1.66-3.03) per 1000 admissions/y and 3.54 (95%CI = 3.19-3.92) per 10 000 patient-days/y. Estimated rates for CDI with onset in ICU or IM wards were 11.08 (95%CI = 7.19-17.08) and 10.80 (95%CI = 3.15-37.06) per 1000 admission/y, respectively. Rates for CA-CDI were lower: 0.55 (95%CI = 0.13-2.37) per 1000 admissions/y. CDI rates were generally higher in North America and among the elderly but similar rates were identified in other regions and age groups. Conclusions Our review highlights the widespread burden of disease of C. difficile, evidence gaps, and the need for sustainable surveillance of CDI in the health care setting and the community.
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Affiliation(s)
- Evelyn Balsells
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK.,Joint first authorship
| | - Ting Shi
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK.,Joint first authorship
| | - Callum Leese
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | - Iona Lyell
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | - John Burrows
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | | | - Harry Campbell
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | - Moe H Kyaw
- Sanofi Pasteur, Swiftwater, Pennsylvania, USA.,Joint last authorship
| | - Harish Nair
- Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK.,Joint last authorship
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10
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Development of vaccine for Clostridium difficile infection using membrane fraction of nontoxigenic Clostridium difficile. Microb Pathog 2018; 123:42-46. [PMID: 29959036 DOI: 10.1016/j.micpath.2018.06.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 05/30/2018] [Accepted: 06/25/2018] [Indexed: 01/05/2023]
Abstract
Although standard antibiotic therapy is performed for diarrhea and pseudomembranous colitis caused by Clostridium difficile, a high recurrence rate of C. difficile infection (CDI) remains a major problem. We previously showed that a membrane fraction of nontoxigenic C. difficile (ntCDMF) was effective as a vaccine antigen by in vitro experiments. In this study, we examined whether ntCDMF had an in vivo effect in animal challenge experiments. By intrarectal immunization with ntCDMF, the number of C. difficile cells in feces of mice was decreased approximately 99% compared to the control mice. In addition, survival rate of C. difficile-challenged hamsters was increased almost 30% by immunization with ntCDMF. These results showed that ntCDMF could be a practical vaccine candidate.
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Kim DB, Lee KM, Park SH, Kim YS, Kim ES, Lee J, Jung SA, Seo GS, Lee JM. Is Clostridium difficile infection a real threat in patients with ulcerative colitis? A prospective, multicenter study in Korea. Intest Res 2018; 16:267-272. [PMID: 29743839 PMCID: PMC5934599 DOI: 10.5217/ir.2018.16.2.267] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 09/25/2017] [Accepted: 10/19/2017] [Indexed: 01/05/2023] Open
Abstract
Background/Aims Clostridium difficile infection (CDI) has been reported to be a cause of flare-ups in patients with ulcerative colitis (UC). We evaluated the prevalence and clinical outcomes of CDI in patients with UC hospitalized for flare-ups. Methods This was a prospective, multicenter study including 7 academic teaching hospitals in Korea. All consecutive patients with UC admitted for disease flare-up were enrolled. We detected the presence of CDI by using enzyme immunoassay, real-time polymerase chain reaction (RT-PCR) for toxin genes, and sigmoidoscopy. Results Eighty-one consecutive patients with UC were enrolled from January 2014 to December 2015. Among 81 patients, 8 (9.9%) were diagnosed with CDI. Most of the cases were identified by RT-PCR. Enzyme immunoassay was positive in 3 of 8 patients, and only 1 had typical endoscopic findings of pseudomembranous colitis. There were no differences in demographic data, length of hospital stay, or colectomy rate between patients with and without CDI. Conclusions CDI was not a rare cause of flare-up in patients with UC in Korea. However, CDI did not appear to affect the course of UC flare-up in Korean patients. RT-PCR was sensitive in detecting CDI and can be considered a diagnostic tool in patients with UC flare-up.
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Affiliation(s)
- Dae Bum Kim
- Department of Internal Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
| | - Kang-Moon Lee
- Department of Internal Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
| | - Sang Hyoung Park
- Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - You Sun Kim
- Department of Internal Medicine, Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea
| | - Eun Soo Kim
- Department of Internal Medicine, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Jun Lee
- Department of Internal Medicine, Chosun University Hospital, Chosun University College of Medicine, Gwangju, Korea
| | - Sung-Ae Jung
- Department of Internal Medicine, Ewha Womans University Medical Center, Ewha Womans University School of Medicine, Seoul, Korea
| | - Geom Seog Seo
- Department of Internal Medicine, Wonkwang University Hospital, Wonkwang University College of Medicine, Iksan, Korea
| | - Ji Min Lee
- Department of Internal Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
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Muñoz M, Ríos-Chaparro DI, Herrera G, Soto-De Leon SC, Birchenall C, Pinilla D, Pardo-Oviedo JM, Josa DF, Patarroyo MA, Ramírez JD. New Insights into Clostridium difficile (CD) Infection in Latin America: Novel Description of Toxigenic Profiles of Diarrhea-Associated to CD in Bogotá, Colombia. Front Microbiol 2018; 9:74. [PMID: 29441053 PMCID: PMC5797639 DOI: 10.3389/fmicb.2018.00074] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 01/11/2018] [Indexed: 12/18/2022] Open
Abstract
Clostridium difficile (CD) produces antibiotic associated diarrhea and leads to a broad range of diseases. The source of CD infection (CDI) acquisition and toxigenic profile are factors determining the impact of CD. This study aimed at detecting healthcare facility onset- (HCFO) and community-onset (CO) CDI and describing their toxigenic profiles in Bogotá, Colombia. A total of 217 fecal samples from patients suffering diarrhea were simultaneously submitted to two CDI detection strategies: (i) in vitro culture using selective chromogenic medium (SCM; chromID, bioMérieux), followed verification by colony screening (VCS), and (ii) molecular detection targeting constitutive genes, using two conventional PCR tests (conv.PCR) (conv.16S y conv.gdh) and a quantitative test (qPCR.16s). The CD toxigenic profile identified by any molecular test was described using 6 tests independently for describing PaLoc and CdtLoc organization. High overall CDI frequencies were found by both SCM (52.1%) and conv.PCR (45.6% for conv.16S and 42.4% for conv.gdh), compared to reductions of up to half the frequency by VCS (27.2%) or qPCR.16S (22.6%). Infection frequencies were higher for SCM and conv.16S regarding HCFO but greater for CO concerning conv.gdh, such differences being statistically significant. Heterogeneous toxigenic profiles were found, including amplification with lok1/3 primers simultaneously with other PaLoc markers (tcdA, tcdB or tcdC). These findings correspond the first report regarding the differential detection of CDI using in vitro culture and molecular detection tests in Colombia, the circulation of CD having heterogeneous toxigenic profiles and molecular arrays which could affect the impact of CDI epidemiology.
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Affiliation(s)
- Marina Muñoz
- Universidad del Rosario, Facultad de Ciencias Naturales y Matemáticas, Programa de Biología, Grupo de Investigaciones Microbiológicas-UR (GIMUR), Bogotá, Colombia.,Posgrado Interfacultades Doctorado en Biotecnología, Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, Colombia
| | - Dora I Ríos-Chaparro
- Universidad del Rosario, Facultad de Ciencias Naturales y Matemáticas, Programa de Biología, Grupo de Investigaciones Microbiológicas-UR (GIMUR), Bogotá, Colombia
| | - Giovanny Herrera
- Universidad del Rosario, Facultad de Ciencias Naturales y Matemáticas, Programa de Biología, Grupo de Investigaciones Microbiológicas-UR (GIMUR), Bogotá, Colombia
| | - Sara C Soto-De Leon
- Molecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia, Bogotá, Colombia
| | | | - Darío Pinilla
- Hospital Universitario Mayor-Méderi, Bogotá, Colombia
| | | | | | - Manuel A Patarroyo
- Molecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia, Bogotá, Colombia.,Universidad del Rosario, School of Medicine and Health Sciences, Bogotá, Colombia
| | - Juan D Ramírez
- Universidad del Rosario, Facultad de Ciencias Naturales y Matemáticas, Programa de Biología, Grupo de Investigaciones Microbiológicas-UR (GIMUR), Bogotá, Colombia
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Kwon SS, Gim JL, Kim MS, Kim H, Choi JY, Yong D, Lee K. Clinical and molecular characteristics of community-acquired Clostridium difficile infections in comparison with those of hospital-acquired C. difficile. Anaerobe 2017; 48:42-46. [PMID: 28655581 DOI: 10.1016/j.anaerobe.2017.06.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 06/18/2017] [Accepted: 06/23/2017] [Indexed: 11/29/2022]
Abstract
Community-acquired Clostridium difficile infection (CA-CDI) is a growing concern. CA-CDI differs from hospital-acquired C. difficile infection (HA-CDI) in its epidemiology, risk factors, severity, and outcomes. In this study, we investigated C. difficile infections in a tertiary care hospital in Seoul, Korea, and compared the CA-CDI and HA-CDI cases diagnosed in the same period. Total 593 cases were confirmed as CDI in 2014, of which CA-CDI accounted for 68 (11.5%) of the total CDI cases. Compared with HA-CDI, the mean age of CA-CDI cases was lower than that of HA-CDI (42.7 vs 60.4). In CA-CDI, antibiotic and proton pump inhibitor (PPI) use in the 12 preceding weeks and concurrent chemotherapy and tube feeding were less frequent compared with HA-CDI. In most cases (63/68, 92.6%), patients with CA-CDI recovered without any complications or recurrence. The most prevalent C. difficile type in CA-CDI cases was PCR-ribotype 012, accounting for 18.3% of the total, followed by PCR-ribotype 018 (16.7%).
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Affiliation(s)
- Soon Sung Kwon
- Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, South Korea
| | - Jung Lim Gim
- Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, South Korea
| | - Myung Sook Kim
- Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, South Korea
| | - Heejung Kim
- Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, South Korea.
| | - Jun Yong Choi
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, South Korea
| | - Dongeun Yong
- Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, South Korea
| | - Kyungwon Lee
- Department of Laboratory Medicine and Research Institute of Bacterial Resistance, Yonsei University College of Medicine, Seoul, South Korea
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Molecular epidemiology and antimicrobial susceptibility of Clostridium difficile isolates from two Korean hospitals. PLoS One 2017; 12:e0174716. [PMID: 28355266 PMCID: PMC5371380 DOI: 10.1371/journal.pone.0174716] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 03/14/2017] [Indexed: 01/05/2023] Open
Abstract
Clostridium difficile is one of the main etiological agents causing antibiotic-associated diarrhea. This study investigated the genetic diversity of 70 toxigenic C. difficile isolates from two Korean hospitals by employing toxinotyping, ribotyping, multilocus sequence typing (MLST), and pulsed-field gel electrophoresis (PFGE). Toxin gene amplification resulted in 68 A⁺B⁺ and two A-B+ isolates. Most isolates (95.7-100%) were susceptible to daptomycin, metronidazole, and vancomycin. Seventy C. difficile isolates were classified into five toxinotypes, 19 ribotypes, 16 sequence types (STs), and 33 arbitrary pulsotypes. All C. difficile isolates of ribotype 018 (n = 38) were classified into ST17, which was the most prevalent ST in both hospitals. However, C. difficile isolates of ST17 (ribotype 018) exhibited pulsotypes that differed by hospital. ST2 (ribotype 014/020), 8 (ribotypes 002), 17 (ribotype 018), and 35 (ribotypes 015) were detected in both hospitals, whereas other STs were unique to each hospital. Statistical comparison of the different typing methods revealed that ribotyping and PFGE were highly predictive of STs. In conclusion, our epidemiological study indicates that C. difficile infections in both hospitals are associated with the persistence of endemic clones coupled with the emergence of many unique clones. A combination of MLST with PFGE or ribotyping could be useful for monitoring epidemic C. difficile strains and the emergence of new clones in hospitals.
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Toxin profiles, PCR ribotypes and resistance patterns of Clostridium difficile : a multicentre study in China, 2012–2013. Int J Antimicrob Agents 2016; 48:736-739. [DOI: 10.1016/j.ijantimicag.2016.09.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Revised: 08/21/2016] [Accepted: 09/03/2016] [Indexed: 11/24/2022]
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Draft Genome Sequence of Clostridium difficile Belonging to Ribotype 018 and Sequence Type 17. GENOME ANNOUNCEMENTS 2016; 4:4/5/e00907-16. [PMID: 27587821 PMCID: PMC5009978 DOI: 10.1128/genomea.00907-16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Clostridium difficile, belonging to ribotype 018 (RT018), is one of the most prevalent genotypes circulating in hospital settings in Italy. Here, we report the draft genome of C. difficile CD8-15 belonging to RT018, isolated from a patient with fatal C. difficile-associated infection.
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Sheldon E, Kitchin N, Peng Y, Eiden J, Gruber W, Johnson E, Jansen KU, Pride MW, Pedneault L. A phase 1, placebo-controlled, randomized study of the safety, tolerability, and immunogenicity of a Clostridium difficile vaccine administered with or without aluminum hydroxide in healthy adults. Vaccine 2016; 34:2082-91. [DOI: 10.1016/j.vaccine.2016.03.010] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 03/01/2016] [Accepted: 03/04/2016] [Indexed: 12/21/2022]
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Spigaglia P, Barbanti F, Morandi M, Moro ML, Mastrantonio P. Diagnostic testing for Clostridium difficile in Italian microbiological laboratories. Anaerobe 2015; 37:29-33. [PMID: 26555737 DOI: 10.1016/j.anaerobe.2015.11.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 11/02/2015] [Accepted: 11/02/2015] [Indexed: 12/15/2022]
Abstract
A laboratory diagnosis survey of Clostridium difficile infection (CDI) was performed in Italy in 2012-2013. Questionnaires from 278 healthcare settings from 15 regions of Italy were collected and analysed. Eighty seven percent of the laboratories declared to routinely perform CDI diagnosis, 99% of them only after the clinician's request. Among the 216 laboratories providing information on the size of the hospitals in which they were located, 65 had more than 500 beds (large hospitals), while 151 had less than 500 beds (small hospitals). The average percentage of positive tests for C. difficile toxins was 12.2%. Almost half of the laboratories (42%) used immunoenzymatic assay (EIA) for Tox A/B as a stand-alone method, while only 34% used an algorithm for CDI as indicated by the European guidelines. A low percentage of laboratories performed molecular assays or C. difficile culture, 25% and 29%, respectively. Most laboratories (161/278) declared to type C. difficile strains, the majority in collaboration with a reference laboratory. Among the 103 C. difficile clinical isolates collected during the study, 31 different PCR-ribotypes were identified. PCR-ribotype 356/607 (27%) was predominant, followed by 018 (12%). These two PCR-ribotypes show 87.5% of similarity in ribotyping profile. PCR-ribotypes 027 and 078 represented 8% and 4% of the strains, respectively. Four PCR-ribotypes (027, 033, 078 and 126) were positive for the binary toxin CDT. In particular, PCR-ribotype 033 produces only CDT, and it has recently been associated with symptomatic cases. The majority of strains were multidrug resistant. In particular, all strains PCR-ribotypes 356/607 and 018 were resistant to moxifloxacin, rifampicin, erythromycin and clindamycin. The results obtained highlight the need to raise awareness to the microbiological diagnosis of CDI among clinicians and to implement and harmonize diagnostic methods for CDI in Italian laboratories in the perspective of a future national surveillance.
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Affiliation(s)
- Patrizia Spigaglia
- Department of Infectious, Parasitic and Immune-mediated Diseases, Istituto Superiore di Sanità, Rome, Italy.
| | - Fabrizio Barbanti
- Department of Infectious, Parasitic and Immune-mediated Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Matteo Morandi
- Agenzia Sanitaria e Sociale, Regione Emilia-Romagna, Bologna, Italy
| | - Maria Luisa Moro
- Agenzia Sanitaria e Sociale, Regione Emilia-Romagna, Bologna, Italy
| | - Paola Mastrantonio
- Department of Infectious, Parasitic and Immune-mediated Diseases, Istituto Superiore di Sanità, Rome, Italy
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Abstract
BACKGROUND No previous studies have evaluated the long-term outcomes of acute severe ulcerative colitis (ASUC) in non-Caucasian populations. The purposes of this study were to evaluate the short- and long-term outcomes of Korean patients with ASUC. METHODS We retrospectively analyzed 99 Korean patients with ASUC who satisfied the criteria given by Truelove and Witts between 1999 and 2005. The short-term outcome parameter was the colectomy rate during index hospitalization, and the long-term outcome parameters were the rates of colectomy and rehospitalization after discharge from index hospitalization. RESULTS During index hospitalization, 16 of 99 patients (16.2%) underwent colectomy: 6 of 71 responders (8.5%) to intravenous steroids on day 3 versus 10 of 28 nonresponders (35.7%), as assessed using the Oxford index (P = 0.002). Among 83 patients who avoided colectomy during index hospitalization, 13 patients (15.7%) underwent colectomy during the median follow-up period of 10.6 years. The cumulative probability of colectomy tended to be lower in complete responders on day 7 of intravenous steroid therapy (CR7) than in others: 3.7% versus 13.9% at 5 years and 7.6% versus 18.2% at 10 years (P = 0.100). The cumulative probability of rehospitalization was significantly lower in CR7 than in other patients: 20.5% versus 37.5% at 5 years and 31.4% versus 48.2% at 10 years (P = 0.043). CONCLUSIONS Assessing the degree of response to intravenous steroids helps predict the short- and long-term outcomes in patients with ASUC. Korean patients with ASUC may have better clinical courses than Caucasians, as indicated by the lower colectomy rate.
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Senoh M, Kato H, Fukuda T, Niikawa A, Hori Y, Hagiya H, Ito Y, Miki H, Abe Y, Furuta K, Takeuchi H, Tajima H, Tominaga H, Satomura H, Kato H, Morita S, Tanada A, Hara T, Kawada M, Sato Y, Takahashi M, Higuchi A, Nakajima T, Wakamatsu Y, Toyokawa M, Ueda A, Roberts P, Miyajima F, Shibayama K. Predominance of PCR-ribotypes, 018 (smz) and 369 (trf) of Clostridium difficile in Japan: a potential relationship with other global circulating strains? J Med Microbiol 2015; 64:1226-1236. [PMID: 26238868 DOI: 10.1099/jmm.0.000149] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Global spread and evolutionary links of an epidemic Clostridium difficile strain (PCR-ribotype 027) have been noted in recent decades. However, in Japan, no outbreaks caused by type 027 have been reported to date. A total of 120 C. difficile isolates from patients at 15 hospitals during non-outbreak seasons between 2011 and 2013 as well as 18 and 21 isolates collected from two hospitals in 2010 and 2009, respectively, in outbreak periods in Japan, were examined. Among these 120 isolates, Japan-ribotypes smz and ysmz (subtype variant of smz) were the most predominant (39.2 %) followed by Japan-ribotype trf (15.8 %). Types smz/ysmz and trf were also concurrently predominant at two hospitals in the outbreak settings. Out of the five binary toxin-positive isolates observed, only one was PCR-ribotype 027 and another PCR-ribotype 078. Type smz was later found to correspond to PCR-ribotype 018. High rates of resistance against gatifloxacin, moxifloxacin, erythromycin and clindamycin were observed in the PCR-ribotype 018 isolates. Interestingly, all trf isolates were toxin A-negative, toxin B-positive, but they did not correspond to PCR-ribotype 017, thus being assigned a new ribotype (PCR-ribotype 369). In conclusion, PCR-ribotypes 018 (smz) and 369 (trf) were identified as major circulating strains in both outbreak and non-outbreak settings in Japan. Given their epidemiological relevance, molecular investigations are warranted to clarify potential evolutionary links with related strains found elsewhere, such as PCR-ribotypes 018 and 017 from Europe and North America.
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Affiliation(s)
- Mitsutoshi Senoh
- Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Haru Kato
- Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Tadashi Fukuda
- Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Akiko Niikawa
- Ishikawa Prefectural Central Hospital, Ishikawa Japan
| | - Yoshiko Hori
- Okayama Saiseikai General Hospital, Okayama, Japan
| | | | | | | | | | | | | | | | | | | | | | | | - Ai Tanada
- Toyokawa City Hospital, Aichi, Japan
| | | | | | - Yuka Sato
- Saitama City Hospital, Saitama, Japan
| | | | | | | | | | | | | | - Paul Roberts
- Liverpool Clinical Laboratories, Royal Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool, UK
| | - Fabio Miyajima
- Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, UK
| | - Keigo Shibayama
- Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan
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Clostridium difficile PCR Ribotype 018, a Successful Epidemic Genotype. J Clin Microbiol 2015; 53:2575-80. [PMID: 26041894 DOI: 10.1128/jcm.00533-15] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 05/26/2015] [Indexed: 12/18/2022] Open
Abstract
Clostridium difficile infection (CDI) became a public health problem for the global spreading of the so-called hypervirulent PCR ribotypes (RTs) 027 and 078, associated with increases in the transmission and severity of the disease. However, especially in Europe, several RTs are prevalent, and the concept of hypervirulence is currently debated. We investigated the toxin and resistance profiles and the genetic relatedness of 312 C. difficile strains isolated in a large Italian teaching hospital during a 5-year period. We evaluated the role of CDI-related antibiotic consumption and infection control practices on the RT predominance in association with their molecular features and transmission capacity. Excluding secondary cases due to nosocomial transmission, RT018 was the predominant genotype (42.4%) followed by RT078 (13.6%), while RT027 accounted for 0.8% of the strains. RT078 was most frequently isolated from patients in intensive care units. Its prevalence significantly increased over time, but its transmission capacity was very low. In contrast, RT018 was highly transmissible and accounted for 95.7% of the secondary cases. Patients with the RT018 genotype were significantly older than those with RT078 and other RTs, indicating an association between epidemic RT and age. We provide here the first epidemiological evidence to consider RT018 as a successful epidemic genotype that deserves more attention in clinical practice.
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