Evidence map›Paper›PMID 41473473›Full record

ArticleEuropean journal of radiology open2025

Diaphragmatic curvature analysis using dynamic digital radiography.

Takuya Hino, Akinori Tsunomori, Noriaki Wada, Akinori Hata, Taiki Fukuda, Yusei Nakamura, Yoshitake Yamada, Tomoyuki Hida, Mizuki Nishino, Masako Ueyama and 5 more

Abstract read
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In one paragraph

Article in European journal of radiology open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

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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

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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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

15 authors.

Takuya HinoDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Higashi-ku, Fukuoka, Fukuoka, Japan.
Akinori TsunomoriMedical Imaging R&D Center, Healthcare Business Headquarters, KONICA MINOLTA, INC., 2970 Ishikawa-machi, Hachioji-shi, Tokyo, Japan.
Noriaki WadaDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Higashi-ku, Fukuoka, Fukuoka, Japan.
Akinori HataDepartment of Diagnostic and Interventional Radiology, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka, Japan.
Taiki FukudaCenter for Pulmonary Functional Imaging, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St, Boston, MA, USA.
Yusei NakamuraDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Higashi-ku, Fukuoka, Fukuoka, Japan.
Yoshitake YamadaDepartment of Radiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, Japan.
Tomoyuki HidaDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Higashi-ku, Fukuoka, Fukuoka, Japan.
Mizuki NishinoCenter for Pulmonary Functional Imaging, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St, Boston, MA, USA.
Masako UeyamaDepartment of Health Care, Fukujuji Hospital, Japan Anti-Tuberculosis Association, 3-1-24 Matsuyama, Kiyose, Tokyo, Japan.
Atsuko KurosakiDepartment of Diagnostic Radiology, Fukujuji Hospital, Japan Anti-Tuberculosis Association, 3-1-24 Matsuyama, Kiyose, Tokyo, Japan.
Takeshi KuboDepartment of Radiology, Tenri Hospital, 200 Mishimacho, Tenri, Nara, Japan.
Shoji KudohJapan Anti-Tuberculosis Association, 1-3-12 Kanda-Misakicho, Chiyoda-ku, Tokyo, Japan.
Kousei IshigamiDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Higashi-ku, Fukuoka, Fukuoka, Japan.
Hiroto HatabuCenter for Pulmonary Functional Imaging, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St, Boston, MA, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: To investigate area under diaphragm (AUD) obtained by dynamic digital radiography (DDR) for the differentiation between normal subjects and chronic obstructive pulmonary disease (COPD) patients. Methods: This retrospective study included healthy volunteers and COPD patients recruited from 2009 to 2014 at Fukujuji Hospital, who received DDR and pulmonary functional test. AUD was defined as an area under a hemidiaphragm and above the line connecting the ipsilateral costophrenic angle to the top of the hemidiaphragm on DDR image. AUD in full inspiration minus AUD in full expiration (ΔAUD) was also calculated. The diaphragmatic surface was demarcated manually on DDR image to calculate AUD. Three-group comparison of AUD and ΔAUD among normal, mild COPD, and severe COPD subjects was tested with one-way analysis of variance, followed by multiple comparison with Tukey-Kramer method. The diagnostic accuracy of COPD by ΔAUD was assessed using receiver-operating-characteristics (ROC) curve. Results: Sixty-eight participants (36 men, 29 COPD patients) were enrolled. AUD in full inspiration was larger in healthy volunteers than in COPD patients (right, p < 0.001; left, p = 0.02). ΔAUD were different in the three-group comparison (right, normal, 208.7 ± 184.6 mm Conclusion: The value of ΔAUD was smaller according to the severity of COPD. ΔAUD can be helpful in distinguishing healthy subjects from COPD patients.

Indexed as

Chest radiographChronic obstructive pulmonary diseaseDynamic digital radiographyRadiology

Identifiers

PMID41473473
PMCPMC12745946

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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.