Evidence map›Paper›PMID 40442057›Full record

ArticleRespirology (Carlton, Vic.)2025

Risk Factors for Pneumothorax After Treatment With Endobronchial Valves: A Cohort Study.

Kirstine Hermann Jørgensen, Thomas Decker Christensen, Ingrid Louise Titlestad, Jesper Rømhild Davidsen, Kathrine Bock, Kristine Jensen, Morten Bendixen, Ole Dan Jørgensen, Michael Perch, Elisabeth Bendstrup

Abstract read
In one paragraph

Article in Respirology (Carlton, Vic.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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

2 citing papers in PubMed.

  1. Review
  2. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors.

Kirstine Hermann JørgensenDepartment of Respiratory Diseases and Allergy, Aarhus University Hospital, Aarhus, Denmark.ORCID 0009-0002-4305-6621
Thomas Decker ChristensenDepartment of Clinical Medicine, Aarhus University, Aarhus, Denmark.
Ingrid Louise TitlestadDepartment of Respiratory Medicine, Odense University Hospital, Odense, Denmark.
Jesper Rømhild DavidsenDepartment of Respiratory Medicine, Odense University Hospital, Odense, Denmark.
Kathrine BockDepartment of Respiratory Diseases and Allergy, Aarhus University Hospital, Aarhus, Denmark.
Kristine JensenDepartment of Cardiology, Section for Lung Transplantation, Rigshospitalet, Copenhagen, Denmark.
Morten BendixenDepartment of Cardiac, Thoracic and Vascular Surgery, Odense University Hospital, Odense, Denmark.
Ole Dan JørgensenDepartment of Cardiac, Thoracic and Vascular Surgery, Odense University Hospital, Odense, Denmark.
Michael PerchDepartment of Cardiology, Section for Lung Transplantation, Rigshospitalet, Copenhagen, Denmark.
Elisabeth BendstrupDepartment of Respiratory Diseases and Allergy, Aarhus University Hospital, Aarhus, Denmark.

Funding

Health Research Fund of Central Denmark RegionKaren Elise Jensens Fond
6 · The paper itself

Abstract

BACKGROUND AND

objectivesPneumothorax (PTX) is the most prevalent and serious adverse event associated with endobronchial valve (EBV) treatment in chronic obstructive pulmonary disease (COPD) with emphysema. This study aimed to compare preoperative characteristics and 30-day outcomes in patients with COPD with and without PTX.

methodThis retrospective nationwide cohort study included patients treated with EBV between 2017 and 2023 at all EBV centres in Denmark. Data were retrieved from medical records.

resultsA total of 228 patients were included, of whom 46 (20.2%) had PTX. The median time to PTX was 7 h (IQR 2-22) and the median drain treatment duration was 13 days (IQR 8.5-22). The risk of PTX was significantly higher when EBV treatment was performed in the upper lobes than in the lower lobes (adjusted RR 6.32, 95% CI 2.56-15.60). High target lobe volume (adjusted OR pr 100 mL increase 1.12, 95% CI 1.02-1.22) and high residual volume (adjusted OR pr 10%pt. increase 1.11, 95% CI 1.01-1.23) were independent risk factors for PTX. More PTX patients had atelectasis after 2 h compared to patients without PTX. The risk of pneumonia (RR 4.5, 95% CI 1.7-11.8), empyema (p = 0.0047) and ICU admission (RR 9.89, 95% CI 1.98-49.4) were significantly higher in the PTX patients than in the patients without PTX.

conclusionsPTX was more prevalent when EBV treatment was performed in the upper lobes and with high residual volume and target lobe volume, leading to prolonged hospital admission and risk of hospital-acquired pneumonia.

Indexed as

PneumothoraxPostoperative ComplicationsProstheses and ImplantsPulmonary Disease, Chronic ObstructivePulmonary EmphysemaAgedDenmarkFemaleHumansMaleMiddle AgedRetrospective StudiesRisk Factorsbronchoscopy and interventional techniquesCOPDemphysemapneumothorax

Identifiers

PMID40442057
PMCPMC12486337

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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.