Evidence map›Paper›PMID 19780659›Full record

ArticleClinical infectious diseases : an official publication of the Infectious Diseases Society of America2009

Molecular epidemiology of Clostridium difficile over the course of 10 years in a tertiary care hospital.

Jaime Belmares, Stuart Johnson, Jorge P Parada, Mary M Olson, Connie R Clabots, Kristine M Bettin, Lance R Peterson, Dale N Gerding

Registry-linked trialAbstract read
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In one paragraph

Article in Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01552668 (The Effect of a Twice Daily, 200 mg Dose of Oral Fidaxomicin Compared to Placebo on Risk of Acquiring C. Difficile and Developing C. Difficile Infection), which is not on this map. Cited by 27 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT01552668 phase4withdrawnnot on this mapstarted 2012, after this paper: background citation

The Effect of a Twice Daily, 200 mg Dose of Oral Fidaxomicin Compared to Placebo on Risk of Acquiring C. Difficile and Developing C. Difficile Infection (CDI) in High Risk Patients

TypeinterventionalSponsorWashington University School of MedicineRan2012 to 2013Enrolled0ConditionsClostridium Difficile InfectionArmsFidaxomicin, Placebo
3 · Its place in the literature

Who cites it

27 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Relapse versus reinfection: recurrent Clostridium difficile infection following treatment with fidaxomicin or vancomycin.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2012
    Trial
  3. Epidemiology ofAntimicrobial agents and chemotherapy · 2024
    Article
  4. The changing epidemiology ofAntimicrobial stewardship & healthcare epidemiology : ASHE · 2024
    Article
  5. Review
  6. Article
  7. Characterizing metabolic drivers ofFrontiers in pharmacology · 2023
    Article
  8. Review
  9. Article
  10. Article
  11. Article
  12. Observational
  13. Review
  14. Review
  15. Article
  16. Review
  17. Review
  18. Article
  19. Reply to McDonald.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2013
    Article
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors.

Jaime BelmaresDivision of Infectious Diseases, Loyola University Chicago Medical Center, Maywood 60153, USA. jbelmares@lumc.edu
Stuart Johnson
Jorge P Parada
Mary M Olson
Connie R Clabots
Kristine M Bettin
Lance R Peterson
Dale N Gerding

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe molecular epidemiology of endemic and outbreak Clostridium difficile strains across time is not well known.

methodsHindIII restriction endonuclease analysis (REA) typing was performed on available clinical C. difficile isolates from 1982 to 1991.

resultsThe annual incidence of C. difficile infection (CDI) ranged from 3.2 to 9.9 cases per 1000 discharges and was significantly higher in 1982, 1983, 1985, and 1991 (high-incidence years) than in other years (mean standard deviation number of cases for the high- vs the low-incidence years, 121.8 +/-20.4 and 70.0 +/-15.0; P =.002). A total of 696 (76.6%) of 908 C. difficile isolates were available for REA typing over the 10-year period. Large clusters (>or=10 CDI cases in consecutive months) were caused by REA types B1 and B2 in 1982 and 1983, F2 and B1 in 1985, and K1 in 1991 (high-incidence years). Small clusters of 4-9 CDI cases in consecutive months were caused by REA types G1 (1984), Y4 and Y6 (1987), Y2 (1988), L1 (1989), Y1 (1990), and K1 (1991). Current epidemic REA group BI (unrelated to type B1) was isolated 6 times, twice in 1984, 1988, and 1990.

conclusionsYears with a high incidence of CDI were associated with large clusters of specific REA types that changed yearly. The molecular epidemiology of CDI in this hospital was characterized by a wide diversity of C. difficile types and an ever-changing dominance of specific C. difficile types over time. The current epidemic BI group was found sporadically on 6 occasions. A changing CDI molecular epidemiology should be expected in the future.

Indexed as

Bacterial Typing TechniquesClostridioides difficileCross InfectionDeoxyribonuclease HindIIIDNA, BacterialDNA FingerprintingEnterocolitis, PseudomembranousGenotypeHumansMinnesotaMolecular EpidemiologyPolymorphism, Restriction Fragment LengthProhibitinsDeoxyribonuclease HindIIIDNA, BacterialPHB2 protein, humanProhibitins

Identifiers

PMID19780659

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.