Evidence map›Paper›PMID 25882764›Full record

Trial reportCritical care medicine2015

The association between colonization with carbapenemase-producing enterobacteriaceae and overall ICU mortality: an observational cohort study.

Mirjam J D Dautzenberg, Ann N Wekesa, Marek Gniadkowski, Anastasia Antoniadou, Helen Giamarellou, George L Petrikkos, Anna Skiada, Christian Brun-Buisson, Marc J M Bonten, Lennie P G Derde and 1 more

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Critical care medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
50citing papers in PubMed, 2 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.

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

50 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Risk factors for carbapenem-resistantJAC-antimicrobial resistance · 2026
    Article
  5. Article
  6. Article
  7. Article
  8. Impact of XpertFrontiers in cellular and infection microbiology · 2025
    Observational
  9. Article
  10. Article
  11. Article
  12. Article
  13. Carbapenem-producingFrontiers in cellular and infection microbiology · 2024
    Article
  14. Carbapenem- and colistin-resistantFrontiers in microbiology · 2024
    Article
  15. Review
  16. Article
  17. Article
  18. Observational
  19. Article
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors.

Mirjam J D Dautzenberg1Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands. 2Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands. 3Department of Molecular Microbiology, National Medicines Institute, Warsaw, Poland. 44th Department of Internal Medicine, Athens University Medical School, University General Hospital Attikon, Athens, Greece. 56th Department of Internal Medicine, Hygeia General Hospital, Athens University Medical School, Athens, Greece. 6Infectious Diseases Unit, Laikon General Hospital, University of Athens, Athens, Greece. 7Service de Reanimation Médicale and INSERM U657, Institut Pasteur, APHP GH Henri Mondor, Université Paris Est-Créteil, Creteil, France. 8Department of Intensive Care, University Medical Center Utrecht, Utrecht, The Netherlands.
Ann N Wekesa
Marek Gniadkowski
Anastasia Antoniadou
Helen Giamarellou
George L Petrikkos
Anna Skiada
Christian Brun-Buisson
Marc J M Bonten
Lennie P G Derde
Mastering hOSpital Antimicrobial Resistance in Europe Work Package 3 Study Team

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesInfections caused by carbapenemase-producing Enterobacteriaceae are increasing worldwide, especially in ICUs, and have been associated with high mortality rates. However, unequivocally demonstrating causality of such infections to death is difficult in critically ill patients because of potential confounding and competing events. Here, we quantified the effects of carbapenemase-producing Enterobacteriaceae carriage on patient outcome in two Greek ICUs with carbapenemase-producing Enterobacteriaceae endemicity.

designObservational cohort study.

settingTwo ICUs with carbapenemase-producing Enterobacteriaceae endemicity. PATIENTS: Patients admitted to the ICU with an expected length of ICU stay of at least 3 days were included.

interventionsNone. MEASUREMENTS AND MAIN

resultsCarbapenemase-producing Enterobacteriaceae colonization was established through screening in perineum swabs obtained at admission and twice weekly and inoculated on chromogenic plates. Detection of carbapenemases was performed phenotypically, with confirmation by polymerase chain reaction. Risk factors for ICU mortality were evaluated using cause-specific hazard ratios and subdistribution hazard ratios, with carbapenemase-producing Enterobacteriaceae colonization as time-varying covariate. One thousand seven patients were included, 36 (3.6%) were colonized at admission, and 96 (9.5%) acquired carbapenemase-producing Enterobacteriaceae colonization during ICU stay, and 301 (29.9%) died in ICU. Of 132 carbapenemase-producing Enterobacteriaceae isolates, 125 (94.7%) were Klebsiella pneumoniae and 74 harbored K. pneumoniae carbapenemase (56.1%), 54 metallo-β-lactamase (40.9%), and four both (3.0%). Carbapenemase-producing Enterobacteriaceae colonization was associated with a statistically significant increase of the subdistribution hazard ratio for ICU mortality (subdistribution hazard ratio=1.79; 95% CI, 1.31-2.43), not explained by an increased daily hazard of dying (cause-specific hazard ratio for death=1.02; 95% CI, 0.74-1.41), but by an increased length of stay (cause-specific hazard ratio for discharge alive=0.73; 95% CI, 0.51-0.94). Other risk factors in the subdistribution hazard model were Acute Physiology and Chronic Health Evaluation II score (subdistribution hazard ratio=1.13; 95% CI, 1.11-1.15), female gender (subdistribution hazard ratio=1.29; 95% CI, 1.02-1.62), presence of solid tumor (subdistribution hazard ratio=1.54; 95% CI, 1.15-2.06), hematopoietic malignancy (subdistribution hazard ratio=1.61; 95% CI, 1.04-2.51), and immunodeficiency (subdistribution hazard ratio=1.59; 95% CI, 1.11-2.27).

conclusionsPatients colonized with carbapenemase-producing Enterobacteriaceae have on average a 1.79 times higher hazard of dying in ICU than noncolonized patients, primarily because of an increased length of stay.

Indexed as

AgedAged, 80 and overAge FactorsAPACHEBacterial Proteinsbeta-LactamasesCarrier StateCohort StudiesCritical IllnessCross InfectionEnterobacteriaceaeEnterobacteriaceae InfectionsFemaleHospital MortalityHumansIntensive Care UnitsBacterial Proteinsbeta-Lactamasescarbapenemase

Identifiers

PMID25882764
PMCPMC4431676

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.