Evidence map›Paper›PMID 29846557›Full record

ArticleClinical infectious diseases : an official publication of the Infectious Diseases Society of America2019

Clostridium difficile: Investigating Transmission Patterns Between Infected and Colonized Patients Using Whole Genome Sequencing.

Ling Yuan Kong, David W Eyre, Jacques Corbeil, Frederic Raymond, A Sarah Walker, Mark H Wilcox, Derrick W Crook, Sophie Michaud, Baldwin Toye, Eric Frost and 11 more

Abstract readMulticenter Study
In one paragraph

Article in Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
–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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

29 citing papers in PubMed.

  1. Review
  2. Investigating in-hospital transmission ofJournal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada · 2025
    Article
  3. Article
  4. Article
  5. Article
  6. Comparative Genomics of Clostridioides difficile.Advances in experimental medicine and biology · 2024
    Article
  7. Fungal and bacterial gut microbiota differ betweenMicrobiome research reports · 2024
    Article
  8. Article
  9. Review
  10. Review
  11. Strategies to preventInfection control and hospital epidemiology · 2023
    Article
  12. Evidence of within-facility patient-patientEpidemiology and infection · 2022
    Article
  13. Review
  14. Review
  15. Article
  16. Genomic Determination of Relative Risks for Clostridioides difficile Infection From Asymptomatic Carriage in Intensive Care Unit Patients.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2021
    Article
  17. Article
  18. Article
  19. Review
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

21 authors.

Ling Yuan KongDivision of Infectious Diseases and Department of Medical Microbiology, McGill University Health Centre, Montréal, Québec, Canada.
David W EyreNuffield Department of Medicine, John Radcliffe Hospital, United Kingdom.
Jacques CorbeilCentre de recherche CHUQ, Université Laval, Québec City, Québec, Canada.
Frederic RaymondCentre de recherche CHUQ, Université Laval, Québec City, Québec, Canada.
A Sarah WalkerNational Institute for Health Research Oxford Biomedical Research Centre, John Radcliffe Hospital, United Kingdom.
Mark H WilcoxDepartment of Microbiology, Leeds Teaching Hospitals and University of Leeds, London, United Kingdom.
Derrick W CrookNuffield Department of Medicine, John Radcliffe Hospital, United Kingdom.
Sophie MichaudDepartment of Microbiology and Infectiology, Université de Sherbrooke, Québec, Ontario.
Baldwin ToyeDivision of Microbiology, Ottawa Hospital, University of Ottawa, Ontario.
Eric FrostDepartment of Microbiology and Infectiology, Université de Sherbrooke, Québec, Ontario.
Nandini DendukuriTechnology Assessment Unit, Canada.
Ian SchillerCentre for Outcomes Research, Research Institute, McGill University Health Centre, Canada.
Anne-Marie BourgaultDivision of Infectious Diseases and Department of Medical Microbiology, McGill University Health Centre, Montréal, Québec, Canada.
Andrew DascalDivision of Infectious Diseases, Jewish General Hospital, Canada.
Matthew OughtonDivision of Infectious Diseases, Jewish General Hospital, Canada.
Yves LongtinDivision of Infectious Diseases, Jewish General Hospital, Canada.
Louise PoirierDepartment of Microbiology, Hôpital Maisonneuve-Rosemont, Montréal, Canada.
Paul BrassardCentre for Outcomes Research, Research Institute, McGill University Health Centre, Canada.
Nathalie TurgeonDepartment of Microbiology, Centre Hospitalier Universitaire de Québec, Hôtel-Dieu de Québec, Canada.
Rodica GilcaQuébec Institute of Public Health, Québec City, Canada.
Vivian G LooDivision of Infectious Diseases and Department of Medical Microbiology, McGill University Health Centre, Montréal, Québec, Canada.

Funding

CIHRDepartment of Health DRF-2010-03-40
6 · The paper itself

Abstract

Background: Whole genome sequencing (WGS) studies can enhance our understanding of the role of patients with asymptomatic Clostridium difficile colonization in transmission. Methods: Isolates obtained from patients with Clostridium difficile infection (CDI) and colonization identified in a study conducted during 2006-2007 at 6 Canadian hospitals underwent typing by pulsed-field gel electrophoresis, multilocus sequence typing, and WGS. Isolates from incident CDI cases not in the initial study were also sequenced where possible. Ward movement and typing data were combined to identify plausible donors for each CDI case, as defined by shared time and space within predefined limits. Proportions of plausible donors for CDI cases that were colonized, infected, or both were examined. Results: Five hundred fifty-four isolates were sequenced successfully, 353 from colonized patients and 201 from CDI cases. The NAP1/027/ST1 strain was the most common strain, found in 124 (62%) of infected and 92 (26%) of colonized patients. A donor with a plausible ward link was found for 81 CDI cases (40%) using WGS with a threshold of ≤2 single nucleotide polymorphisms to determine relatedness. Sixty-five (32%) CDI cases could be linked to both infected and colonized donors. Exclusive linkages to infected and colonized donors were found for 28 (14%) and 12 (6%) CDI cases, respectively. Conclusions: Colonized patients contribute to transmission, but CDI cases are more likely linked to other infected patients than colonized patients in this cohort with high rates of the NAP1/027/ST1 strain, highlighting the importance of local prevalence of virulent strains in determining transmission dynamics.

Indexed as

Whole Genome SequencingCarrier StateClostridioides difficileClostridium InfectionsCross InfectionDNA, BacterialGenome, BacterialHumansDNA, Bacterial

Identifiers

PMID29846557
PMCPMC6321846

What OpenQuestion holds

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Registered trials

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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.