Evidence map›Paper›PMID 19107244›Full record

ArticleCanadian respiratory journal

Quality of bronchial biopsies for morphology study and cell sampling: a comparison of asthmatic and healthy subjects.

Isabelle Labonté, Michel Laviolette, Ron Olivenstein, Jamila Chakir, Louis-Philippe Boulet, Qutayba Hamid

Open access · goldAbstract readComparative Study
In one paragraph

Article in Canadian respiratory journal. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.5field-weighted citation impact, top 31% of its field
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

4 citing papers in PubMed, 11 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Myosin, transgelin, and myosin light chain kinase: expression and function in asthma.American journal of respiratory and critical care medicine · 2009
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Isabelle LabontéCentre de pneumologie, Hôpital Laval, Quebec City, Canada.
Michel Laviolette
Ron Olivenstein
Jamila Chakir
Louis-Philippe Boulet
Qutayba Hamid
Christie (Canada) · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundBronchial biopsies are widely used for histopathological, primary cell culture and genetic studies, but very few reports have evaluated their quality. OBJECTIVES AND

methodsThe present project evaluated the quality (using a scoring system) and the general morphology of a pool of six bronchial biopsy specimens taken from three different sampling sites (the lobar, segmental and subsegmental carinae) in 27 subjects (13 asthmatic subjects and 14 healthy controls). The present study also assessed quantitative measurements of structural changes related to asthma.

resultsIn total, 94.4% of the biopsy attempts had enough tissue to be processed. From these, 61.7% were scored with a good to excellent quality, while 76.5% presented smooth muscle bundles and 40.5% had an intact epithelium wall. The data also confirmed the structural changes observed in asthma, such as increased apparent thickening of the basement membrane, reduced amounts of smooth muscle for healthy controls and decreased percentage of intact epithelium for asthmatic subjects.

conclusionA pool of six bronchial biopsy specimens can provide tissue of excellent quality in both asthmatic and healthy subjects and, consequently, a valuable sample for morphological analysis of mucosal structures.

Indexed as

AdolescentAdultAsthmaBronchiBronchoscopyFemaleHumansMaleMiddle AgedMuscle, SmoothRespiratory MucosaYoung Adult

Identifiers

PMID19107244
PMCPMC2682166
OpenAlexW2225675026

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.