Evidence map›Paper›PMID 33849605›Full record

Observational studyJournal of cardiothoracic surgery2021

Most patient conditions do not a priori debilitate the sensitivity of thoracic ultrasound in thoracic surgery-a prospective comparative study.

Thomas Galetin, Julika Merres, Mark Schieren, Benjamin Marks, Yves Haffke, Jerome Defosse, Frank Wappler, Aris Koryllos, Erich Stoelben

Open access · goldAbstract readComparative StudyObservational Study
In one paragraph

Observational study in Journal of cardiothoracic surgery, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
0.6field-weighted citation impact, top 35% 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

3 citing papers in PubMed, 1 synthesis or guideline pooled it, 5 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
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 1 institution in 1 country.

Thomas GaletinLungclinic, Thoracic Surgery, University Witten/Herdecke, Medical Centre Cologne-Merheim, Ostmerheimer Str. 200, 51109, Cologne, Germany. galetint@kliniken-koeln.de.ORCID http://orcid.org/0000-0001-5563-122X
Julika MerresLungclinic, Thoracic Surgery, University Witten/Herdecke, Medical Centre Cologne-Merheim, Ostmerheimer Str. 200, 51109, Cologne, Germany.
Mark SchierenDepartment of Anaesthesiology and Intensive Care Medicine, University Witten/Herdecke, Medical Centre Cologne-Merheim, Cologne, Germany.
Benjamin MarksDepartment of Radiology, University Witten/Herdecke, Medical Centre Cologne-Merheim, Cologne, Germany.
Yves HaffkeLungclinic, Thoracic Surgery, University Witten/Herdecke, Medical Centre Cologne-Merheim, Ostmerheimer Str. 200, 51109, Cologne, Germany.
Jerome DefosseDepartment of Anaesthesiology and Intensive Care Medicine, University Witten/Herdecke, Medical Centre Cologne-Merheim, Cologne, Germany.
Frank WapplerDepartment of Anaesthesiology and Intensive Care Medicine, University Witten/Herdecke, Medical Centre Cologne-Merheim, Cologne, Germany.
Aris KoryllosLungclinic, Thoracic Surgery, University Witten/Herdecke, Medical Centre Cologne-Merheim, Ostmerheimer Str. 200, 51109, Cologne, Germany.
Erich StoelbenLungclinic, Thoracic Surgery, University Witten/Herdecke, Medical Centre Cologne-Merheim, Ostmerheimer Str. 200, 51109, Cologne, Germany.
Witten/Herdecke University · DE

Funding

Private Universität Witten/Herdecke gGmbH 2021-03Private Universität Witten/Herdecke gGmbH 38/2018
6 · The paper itself

Abstract

backgroundThe few existing studies on the accuracy of lung ultrasound in the detection of a postoperative pneumothorax after thoracic surgery differ in the sonographic technique and the inclusion criteria. Several conditions are considered unfavourable in the sonographic examination of the lung. We aim to test these conditions for their impact on the diagnostic accuracy of lung ultrasound.

methodsWe compared lung ultrasound and chest roentgenograms for the detection of a pneumothorax after lung-resecting surgery in two prospective trials (register ID DRKS00014557 and DRKS00020216). The ultrasound examiners and radiologists were blinded towards the corresponding findings. We performed posthoc subgroup analyses to determine the influence of various patient or surgery related conditions on the sensitivity and specificity of ultrasound in the detection of pneumothorax.

resultsWe performed 340 examinations in 208 patients. The covariates were age, gender, body mass index, smoking status, severity of chronic obstructive pulmonary disease, previous ipsilateral operation or irradiation, thoracotomy, postoperative skin emphysema, indwelling chest tube and X-ray in supine position. In univariate analysis, an indwelling chest-tube was associated with a higher sensitivity (58%, p = 0.04), and a postoperative subcutaneous emphysema with a lower specificity (73% vs. 88%, p = 0.02). None of the other subgroups differed in sensitivity or specificity from the total population .

conclusionsMost of the patient- or surgery related conditions usually considered unfavourable for lung ultrasound did not impair the sensitivity or specificity of lung ultrasound. Further studies should not excluce patients with these conditions, but test the accuracy under routine conditions.

trial registrationDRKS, DRKS00014557, registered 06/09/2018, https://www.drks.de/drks_web/navigate.do?navigationId=trial.HTML&TRIAL_ID=DRKS00014557 and DRKS00020216, registered 03/12/2019, https://www.drks.de/drks_web/navigate.do?navigationId=trial.HTML&TRIAL_ID=DRKS00020216.

Indexed as

Thoracic Surgical ProceduresAdultAgedAged, 80 and overFemaleHumansLungMaleMiddle AgedPneumothoraxPostoperative ComplicationsProspective StudiesRadiographySensitivity and SpecificitySingle-Blind MethodUltrasonographyLung ultrasoundPneumothoraxSensitivityThoracic surgery

Identifiers

PMID33849605
PMCPMC8045207
OpenAlexW3154357993

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.