Evidence map›Paper›PMID 21223571›Full record

ArticleCritical care (London, England)2011

Clara cell protein in bronchoalveolar lavage fluid: a predictor of ventilator-associated pneumonia?

Marijke J Vanspauwen, Catharina F M Linssen, Cathrien A Bruggeman, Jan A Jacobs, Marjolein Drent, Dennis C J J Bergmans, Walther N K A van Mook

Abstract read
In one paragraph

Article in Critical care (London, England), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

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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

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

  1. Biomarkers in lower respiratory tract samples in the diagnosis of ventilator-associated pneumonia: a systematic review.European respiratory review : an official journal of the European Respiratory Society · 2025
    Pooled it
  2. Pooled it
  3. Observational
  4. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors.

Marijke J VanspauwenDepartment of Medical Microbiology, CAPHRI School, Maastricht University Medical Centre, P Debyelaan, Maastricht NL-6229HX, the Netherlands.
Catharina F M Linssen
Cathrien A Bruggeman
Jan A Jacobs
Marjolein Drent
Dennis C J J Bergmans
Walther N K A van Mook

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionClara cell protein 10 (CC-10) has been associated with inflammatory and infectious pulmonary diseases. This study evaluates CC-10 concentrations in bronchoalveolar lavage (BAL) fluid as a potential marker of ventilator-associated pneumonia (VAP).

methodsBetween January 2003 and December 2007, BAL fluid samples obtained from critically ill patients at the intensive care unit of the Maastricht University Medical Centre clinically suspected of having VAP were included. Patients were divided into two groups: (1) microbiologically confirmed VAP (the VAP group) and (2) microbiologically unconfirmed VAP (the non-VAP group). The concentration of CC-10 was measured by means of a commercially available enzyme-linked immunosorbent assay kit, and retrospective analysis was performed. Areas under the curve of receiver operating characteristic curves were calculated for CC-10 concentrations.

resultsA total of 196 patients (122 men, 74 women) were included. A total of 79 (40%) of 196 cases of suspected VAP were microbiologically confirmed. The median CC-10 concentration in the VAP group was 3,019 ng/mL (range, 282 to 65,546 ng/mL) versus 2,504 ng/mL (range, 62 to 30,240 ng/mL) in the non-VAP group (P = 0.03). There was no significant difference in CC-10 concentrations between patients treated with or without corticosteroids (P = 0.26) or antibiotic therapy (P = 0.9). The CC-10 concentration did not differ significantly between patients with Gram-positive versus Gram-negative bacteria that caused the VAP (P = 0.06). However, CC-10 concentrations did differ significantly between the late-onset VAP group and the non-VAP group.

conclusionsThe CC-10 concentration in BAL fluid yielded low diagnostic accuracy in confirming the presence of VAP.

Indexed as

AdolescentAdultAgedAged, 80 and overBiomarkersBronchoalveolar Lavage FluidCritical CareFemaleHumansMaleMiddle AgedPneumonia, Ventilator-AssociatedPredictive Value of TestsRetrospective StudiesUteroglobinYoung AdultBiomarkersUteroglobin

Identifiers

PMID21223571
PMCPMC3222046

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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.