Evidence map›Paper›PMID 33290179›Full record

ArticleOtolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery2021

Quantitative Assessment of the Immune Microenvironment in Patients With Iatrogenic Laryngotracheal Stenosis.

Ruth J Davis, Ioan Lina, Benjamin Green, Elizabeth L Engle, Kevin Motz, Dacheng Ding, Janis M Taube, Alexander Gelbard, Alexander T Hillel

Open access · greenAbstract readValidation Study
In one paragraph

Article in Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
0.8field-weighted citation impact, top 23% 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

13 citing papers in PubMed, 15 citations in OpenAlex.

  1. The use of centrifugated autologous lipoaspirate in the endoscopic management of idiopathic subglottic stenosis: results from a retrospective non-randomized study.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2026
    Observational
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  6. Review
  7. PD-L1 Acts Independently of PD-1 as a Marker of Pathologic Fibroblasts in Laryngotracheal Stenosis.Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2025
    Article
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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

9 authors at 4 institutions in 1 country.

Ruth J DavisDepartment of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Ioan LinaDepartment of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Benjamin GreenBloomberg~Kimmel Institute for Cancer Immunotherapy, Baltimore, Maryland, USA.
Elizabeth L EngleBloomberg~Kimmel Institute for Cancer Immunotherapy, Baltimore, Maryland, USA.
Kevin MotzDepartment of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Dacheng DingDepartment of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Janis M TaubeBloomberg~Kimmel Institute for Cancer Immunotherapy, Baltimore, Maryland, USA.
Alexander GelbardDepartment of Otolaryngology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA.
Alexander T HillelDepartment of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Johns Hopkins Medicine · USJohns Hopkins University · USBloomberg (United States) · USVanderbilt University · US

Funding

RESEARCH TRAINING IN OTOLARYNGOLOGYT32DC000027 · NIDCD · JOHNS HOPKINS UNIVERSITY · PI CAREY, JOHN PATRICK · 1989 to 2023
$5.5M
Targeting mTOR regulation of T-lymphocytes and fibroblasts in Laryngotracheal StenosisR01DC018567 · NIDCD · JOHNS HOPKINS UNIVERSITY · PI HILLEL, ALEXANDER · 2020 to 2024
$3.8M
Molecular Interrogation of the Host-Pathogen Interface in Idiopathic Subglottic StensosisR01HL146401 · NHLBI · VANDERBILT UNIVERSITY MEDICAL CENTER · PI GELBARD, ALEXANDER · 2019 to 2023
$1.9M
Immune Cell Modulation in Laryngotrachael FibrosisK23DC014082 · NIDCD · JOHNS HOPKINS UNIVERSITY · PI HILLEL, ALEXANDER · 2015 to 2019
$1.2M
Metabolic Reprogramming in Laryngotracheal StenosisR21DC017225 · NIDCD · JOHNS HOPKINS UNIVERSITY · PI HILLEL, ALEXANDER · 2018 to 2020
$491k
NHLBI NIH HHS R01 HL146401NIDCD NIH HHS K23 DC014082NIDCD NIH HHS R01 DC018567NIDCD NIH HHS R21 DC017225NIDCD NIH HHS T32 DC000027
6 · The paper itself

Abstract

objectiveIatrogenic laryngotracheal stenosis (iLTS) is characterized by fibroinflammatory narrowing of the upper airway and is most commonly caused by intubation injury. Evidence suggests a key role for CD4 T cells in its pathogenesis. The objective of this study is to validate emerging multiplex immunofluorescence (mIF) technology for use in the larynx and trachea while quantitatively characterizing the immune cell infiltrate in iLTS. In addition to analyzing previously unstudied immune cell subsets, this study aims to validate previously observed elevations in the immune checkpoint PD-1 and its ligand PD-L1 while exploring their spatial and cellular distributions in the iLTS microenvironment. STUDY

designControlled ex vivo cohort study.

settingTertiary care center.

methodsmIF staining was performed with formalin-fixed, paraffin-embedded slides from 10 patients with iLTS who underwent cricotracheal resection and 10 control specimens derived from rapid autopsy for CD4, CD8, CD20, FoxP3, PD-1, PD-L1, and cytokeratin.

resultsThere was greater infiltration of CD4

conclusionThis study leverages the power of mIF to quantify the iLTS immune infiltrate in greater detail. It confirms the highly inflammatory nature of iLTS, with CD4

Indexed as

Cellular MicroenvironmentCohort StudiesEvaluation Studies as TopicFemaleFluorescent Antibody TechniqueHumansIatrogenic DiseaseLaryngostenosisMaleMiddle AgedTracheal Stenosislaryngotracheal stenosismultiplex immunofluorescenceprogrammed cell death 1programmed cell death ligand 1

Identifiers

PMID33290179
PMCPMC8169517
OpenAlexW3113274062

What OpenQuestion holds

Textmetadata
LicenceTDM
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.