Evidence map›Paper›PMID 27611890›Full record

ArticleAmerican journal of respiratory and critical care medicine2017

Micro-Computed Tomography Comparison of Preterminal Bronchioles in Centrilobular and Panlobular Emphysema.

Naoya Tanabe, Dragoş M Vasilescu, John E McDonough, Daisuke Kinose, Masaru Suzuki, Joel D Cooper, Peter D Paré, James C Hogg

Registry-linked trialAbstract readComparative Study
In one paragraph

Article in American journal of respiratory and critical care medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05092035 (Recognition of Early Pulmonary Structural Changes by Using Real-time High Fidelity Expiratory CO2 Analysis), which is not on this map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
6.4field-weighted citation impact, top 3% 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.

NCT05092035 nacompletednot on this mapstarted 2020, after this paper: background citation

Recognition of Early Pulmonary Structural Changes by Using Real-time High Fidelity Expiratory CO2 Analysis

TypeinterventionalSponsorMedical University of GrazRan2020 to 2025Enrolled40ConditionsCOPD, ILDArmssingle high-fidelity expiratory CO2 analysis
3 · Its place in the literature

Who cites it

30 citing papers in PubMed, 59 citations in OpenAlex.

  1. Progenitor Resilience and the Early Onset of Chronic Lung Diseases: NHLBI workshop report.American journal of respiratory cell and molecular biology · 2026
    Article
  2. From Web to Collapse: Small Airway Disease Trajectory in Chronic Obstructive Pulmonary Disease.American journal of respiratory and critical care medicine · 2025
    Article
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  11. Observational
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  20. Finally More Direct Evidence That Impulse Oscillometry Measures Small Airway Disease.American journal of respiratory and critical care medicine · 2019
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 4 countries.

Naoya Tanabe1 Centre for Heart and Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
Dragoş M Vasilescu1 Centre for Heart and Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
John E McDonough1 Centre for Heart and Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
Daisuke Kinose1 Centre for Heart and Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
Masaru Suzuki1 Centre for Heart and Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
Joel D Cooper4 Division of Thoracic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania.
Peter D Paré1 Centre for Heart and Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
James C Hogg1 Centre for Heart and Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
University of British Columbia · CAUniversity of Pennsylvania · US

Funding

Parametric Response Mapping in COPDR01HL122438 · NHLBI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI HAN, MEILAN K, MARTINEZ, FERNANDO J · 2014 to 2017
$4.0M
CIHRNHLBI NIH HHS R01 HL122438
6 · The paper itself

Abstract

rationaleVery little is known about airways that are too small to be visible on thoracic multidetector computed tomography but larger than the terminal bronchioles.

objectivesTo examine the structure of preterminal bronchioles located one generation proximal to terminal bronchioles in centrilobular and panlobular emphysema.

methodsPreterminal bronchioles were identified by backtracking from the terminal bronchioles, and their centerlines were established along the entire length of their lumens. Multiple cross-sectional images perpendicular to the centerline were reconstructed to evaluate the bronchiolar wall and lumen, and the alveolar attachments to the outer airway walls in relation to emphysematous destruction in 28 lung samples from six patients with centrilobular emphysema, 20 lung samples from seven patients with panlobular emphysema associated with alpha-1 antitrypsin deficiency, and 47 samples from seven control (donor) lungs. MEASUREMENTS AND MAIN

resultsThe preterminal bronchiolar length, wall volume, total volume (wall + lumen), lumen circularity, and number of alveolar attachments were reduced in both centrilobular and panlobular emphysema compared with control lungs. In contrast, thickening of the wall and narrowing of the lumen were more severe and heterogeneous in centrilobular than in panlobular emphysema. The bronchiolar lumen was narrower in the middle than at both ends, and the decreased number of alveolar attachments was associated with increased wall thickness in centrilobular emphysema.

conclusionsThese results provide new information about small airways pathology in centrilobular and panlobular emphysema and show that these changes affect airways that are not visible with thoracic multidetector computed tomography scans but located proximal to the terminal bronchioles in chronic obstructive pulmonary disease.

Indexed as

X-Ray MicrotomographyBronchiolesCross-Sectional StudiesFemaleHumansMaleMiddle AgedPulmonary Disease, Chronic ObstructivePulmonary Emphysemachronic obstructive pulmonary diseasecomputed tomographyimagingsmall airway

Identifiers

PMID27611890
PMCPMC5363975
OpenAlexW2512872789

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.