Dataset Information

Clostridium difficile with Moxifloxacin/Clindamycin Resistance in Vegetables in Ohio, USA, and Prevalence Meta-Analysis.

ABSTRACT: We (i) determined the prevalence of Clostridium difficile and their antimicrobial resistance to six antimicrobial classes, in a variety of fresh vegetables sold in retail in Ohio, USA, and (ii) conducted cumulative meta-analysis of reported prevalence in vegetables since the 1990s. Six antimicrobial classes were tested for their relevance as risk factors for C. difficile infections (CDIs) (clindamycin, moxifloxacin) or their clinical priority as exhaustive therapeutic options (metronidazole, vancomycin, linezolid, and tigecycline). By using an enrichment protocol we isolated C. difficile from three of 125 vegetable products (2.4%). All isolates were toxigenic, and originated from 4.6% of 65 vegetables cultivated above the ground (n = 3; outer leaves of iceberg lettuce, green pepper, and eggplant). Root vegetables yielded no C. difficile. The C. difficile isolates belonged to two PCR ribotypes, one with an unusual antimicrobial resistance for moxifloxacin and clindamycin (lettuce and pepper; 027-like, A(+)B(+)CDT(+); tcdC 18?bp deletion); the other PCR ribotype (eggplant, A(+)B(+) CDT(-); classic tcdC) was susceptible to all antimicrobials. Results of the cumulative weighted meta-analysis (6 studies) indicate that the prevalence of C. difficile in vegetables is 2.1% and homogeneous (P < 0.001) since the first report in 1996 (2.4%). The present study is the first report of the isolation of C. difficile from retail vegetables in the USA. Of public health relevance, antimicrobial resistance to moxifloxacin/clindamycin (a bacterial-associated risk factor for severe CDIs) was identified on the surface of vegetables that are consumed raw.

SUBMITTER: Rodriguez-Palacios A

PROVIDER: S-EPMC4279118 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Clostridium difficile with Moxifloxacin/Clindamycin Resistance in Vegetables in Ohio, USA, and Prevalence Meta-Analysis.

Rodriguez-Palacios Alex A Ilic Sanja S LeJeune Jeffrey T JT

Journal of pathogens 20141214

We (i) determined the prevalence of Clostridium difficile and their antimicrobial resistance to six antimicrobial classes, in a variety of fresh vegetables sold in retail in Ohio, USA, and (ii) conducted cumulative meta-analysis of reported prevalence in vegetables since the 1990s. Six antimicrobial classes were tested for their relevance as risk factors for C. difficile infections (CDIs) (clindamycin, moxifloxacin) or their clinical priority as exhaustive therapeutic options (metronidazole, van ...[more]

PMID: 25580297

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Project description:BackgroundClostridium difficile is the leading cause of infectious diarrhea that develops in patients after hospitalization during antibiotic administration. It has also become a big issue in community-acquired diarrhea. The emergence of hypervirulent strains of C. difficile poses a major problem in hospital-associated diarrhea outbreaks and it is difficult to treat. The antimicrobial resistance in C. difficile has worsened due to the inappropriate use of broad-spectrum antibiotics including cephalosporins, clindamycin, tetracycline, and fluoroquinolones together with the emergence of hypervirulent strains.ObjectiveTo estimate the pooled prevalence and antimicrobial resistance pattern of C. difficile derived from hospitalized diarrheal patients, a systematic review and meta-analysis was performed.MethodsPreferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline was followed to review published studies conducted. We searched bibliographic databases from PubMed, Scopus, Google Scholar, and Cochrane Library for studies on the prevalence and antimicrobial susceptibility testing on C. difficile. The weighted pooled prevalence and resistance for each antimicrobial agent was calculated using a random-effects model. A funnel plot and Egger's regression test were used to see publication bias.ResultsA total of 15 studies were included. Ten articles for prevalence study and 5 additional studies for antimicrobial susceptibility testing of C. difficile were included. A total of 1967/7852 (25%) C. difficile were isolated from 10 included studies for prevalence study. The overall weighted pooled proportion (WPP) of C. difficile was 30% (95% CI: 10.0-49.0; p<0.001). The analysis showed substantial heterogeneity among studies (Cochran's test = 7038.73, I2 = 99.87%; p<0.001). The weighed pooled antimicrobial resistance (WPR) were: vancomycin 3%(95% CI: 1.0-4.0, p<0.001); metronidazole 5%(95% CI: 3.0-7.0, p<0.001); clindamycin 61%(95% CI: 52.0-69.0, p<0.001); moxifloxacin 42%(95% CI: 29-54, p<0.001); tetracycline 35%(95% CI: 22-49, p<0.001); erythromycin 61%(95% CI: 48-75, p<0.001) and ciprofloxacin 64%(95% CI: 48-80; p< 0.001) using the random effect model.ConclusionsA higher weighted pooled prevalence of C. difficile was observed. It needs a great deal of attention to decrease the prevailing prevalence. The resistance of C. difficile to metronidazole and vancomycin was low compared to other drugs used to treat C. difficile infection. Periodic antimicrobial resistance monitoring is vital for appropriate therapy of C. difficile infection.

Project description:ObjectiveTo describe risk of Clostridium difficile infection associated with clindamycin and acute kidney injury associated with gentamicin during delivery hospitalizations.MethodsWomen admitted for delivery from January 2006 to March 2015 were analyzed using an inpatient administrative database. Primary outcomes were C difficile infection and acute kidney injury. C difficile infection was compared between women receiving clindamycin (with or without other antibiotics) and women receiving antibiotics other than clindamycin. Acute kidney injury was compared between women receiving gentamicin (with or without other antibiotics), women receiving antibiotics other than gentamicin, and women receiving no antibiotics. Unadjusted and adjusted log linear models analyzing the role of patient demographics, mode of delivery, and hospital-level characteristics were created evaluating risk of C difficile infection and acute kidney injury with risk ratios (RRs) and adjusted risk ratios with 99% CIs as measures of association. A sensitivity analysis for gentamicin and acute kidney injury was performed restricted to women with preeclampsia.ResultsOf 5,657,523 women admitted for delivery hospitalization, 266,402 (4.7%) received clindamycin and 165,726 (2.9%) received gentamicin. C difficile infection was diagnosed in 0.04% of women receiving clindamycin. Compared with women receiving other antibiotics, clindamycin was associated with a nearly threefold increased risk of C difficile infection (RR 2.93, 99% CI 2.21-3.90). Acute kidney injury was diagnosed in 0.24% of women receiving gentamicin. Gentamicin was associated with a threefold increased risk of acute kidney injury (RR 3.01, 99% CI 2.62-3.45) compared with women receiving other antibiotics, whereas receipt of no antibiotics was associated with significantly lower risk (RR 0.18, 99% CI 0.15-0.20). In adjusted analyses, these associations retained significance. Significantly increased risk of acute kidney injury was noted for women with preeclampsia receiving gentamicin (RR 2.04, 99% CI 1.64-2.53).ConclusionReceipt of clindamycin was associated with significantly increased likelihood for C difficile infection and receipt of gentamicin with significantly increased likelihood of acute kidney injury, although the absolute risk of these complications was low.

Project description:BackgroundClostridioides (Clostridium) difficile is an important pathogen of healthcare- associated diarrhea, however, an increase in the occurrence of C. difficile infection (CDI) outside hospital settings has been reported. The accumulation of antimicrobial resistance in C. difficile can increase the risk of CDI development and/or its spread. The limited number of antimicrobials for the treatment of CDI is matter of some concern.ObjectivesIn order to summarize the data on antimicrobial resistance to C. difficile derived from humans, a systematic review and meta-analysis were performed.MethodsWe searched five bibliographic databases: (MEDLINE [PubMed], Scopus, Embase, Cochrane Library and Web of Science) for studies that focused on antimicrobial susceptibility testing in C. difficile and were published between 1992 and 2019. The weighted pooled resistance (WPR) for each antimicrobial agent was calculated using a random- effects model.ResultsA total of 111 studies were included. The WPR for metronidazole and vancomycin was 1.0% (95% CI 0-3%) and 1% (95% CI 0-2%) for the breakpoint > 2 mg/L and 0% (95% CI 0%) for breakpoint ≥32 μg/ml. Rifampin and tigecycline had a WPRs of 37.0% (95% CI 18-58%) and 1% (95% CI 0-3%), respectively. The WPRs for the other antimicrobials were as follows: ciprofloxacin 95% (95% CI 85-100%), moxifloxacin 32% (95% CI 25-40%), clindamycin 59% (95% CI 53-65%), amoxicillin/clavulanate 0% (0-0%), piperacillin/tazobactam 0% (0-0%) and ceftriaxone 47% (95% CI 29-65%). Tetracycline had a WPR 20% (95% CI 14-27%) and meropenem showed 0% (95% CI 0-1%); resistance to fidaxomicin was reported in one isolate (0.08%).ConclusionResistance to metronidazole, vancomycin, fidaxomicin, meropenem and piperacillin/tazobactam is reported rarely. From the alternative CDI drug treatments, tigecycline had a lower resistance rate than rifampin. The high-risk antimicrobials for CDI development showed a high level of resistance, the highest was seen in the second generation of fluoroquinolones and clindamycin; amoxicillin/clavulanate showed almost no resistance. Tetracycline resistance was present in one fifth of human clinical C. difficile isolates.

Dataset Information

Clostridium difficile with Moxifloxacin/Clindamycin Resistance in Vegetables in Ohio, USA, and Prevalence Meta-Analysis.

Publications

Clostridium difficile with Moxifloxacin/Clindamycin Resistance in Vegetables in Ohio, USA, and Prevalence Meta-Analysis.

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