Diagnostic accuracy and added value of dynamic chest radiography in detecting pulmonary embolism: A retrospective study

Purpose: This study aimed to assess the diagnostic performance of dynamic chest radiography (DCR) and investigate its added value to chest radiography (CR) in detecting pulmonary embolism (PE). Methods: Of 775 patients who underwent CR and DCR in our hospital between June 2020 and August 2022, indiv...

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Main Authors: Yuzo Yamasaki, Kazuya Hosokawa, Takeshi Kamitani, Kohtaro Abe, Koji Sagiyama, Takuya Hino, Megumi Ikeda, Shunsuke Nishimura, Hiroyuki Toyoda, Shohei Moriyama, Masateru Kawakubo, Noritsugu Matsutani, Hidetake Yabuuchi, Kousei Ishigami
Format: Article
Language:English
Published: Elsevier 2024-12-01
Series:European Journal of Radiology Open
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Online Access:http://www.sciencedirect.com/science/article/pii/S2352047724000571
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author Yuzo Yamasaki
Kazuya Hosokawa
Takeshi Kamitani
Kohtaro Abe
Koji Sagiyama
Takuya Hino
Megumi Ikeda
Shunsuke Nishimura
Hiroyuki Toyoda
Shohei Moriyama
Masateru Kawakubo
Noritsugu Matsutani
Hidetake Yabuuchi
Kousei Ishigami
author_facet Yuzo Yamasaki
Kazuya Hosokawa
Takeshi Kamitani
Kohtaro Abe
Koji Sagiyama
Takuya Hino
Megumi Ikeda
Shunsuke Nishimura
Hiroyuki Toyoda
Shohei Moriyama
Masateru Kawakubo
Noritsugu Matsutani
Hidetake Yabuuchi
Kousei Ishigami
author_sort Yuzo Yamasaki
collection DOAJ
description Purpose: This study aimed to assess the diagnostic performance of dynamic chest radiography (DCR) and investigate its added value to chest radiography (CR) in detecting pulmonary embolism (PE). Methods: Of 775 patients who underwent CR and DCR in our hospital between June 2020 and August 2022, individuals who also underwent contrast-enhanced CT (CECT) of the chest within 72 h were included in this study. PE or non-PE diagnosis was confirmed by CECT and the subsequent clinical course. The enrolled patients were randomized into two groups. Six observers, including two thoracic radiologists, two cardiologists, and two radiology residents, interpreted each chest radiograph with and without DCR using a crossover design with a washout period. Diagnostic performance was compared between CR with and without DCR in the standing and supine positions. Results: Sixty patients (15 PE, 45 non-PE) were retrospectively enrolled. The addition of DCR to CR significantly improved the sensitivity, specificity, accuracy, and area under the curve (AUC) in the standing (35.6–70.0 % [P < 0.0001], 84.8–93.3 % [P = 0.0010], 72.5–87.5 % [P < 0.0001], and 0.66–0.85 [P < 0.0001], respectively) and supine (33.3–65.6 % [P < 0.0001], 78.5–92.2 % [P < 0.0001], 67.2–85.6 % [P < 0.0001], and 0.62–0.80 [P = 0.0002], respectively) positions for PE detection. No significant differences were found between the AUC values of DCR with CR in the standing and supine positions (P = 0.11) or among radiologists, cardiologists, and radiology residents (P = 0.14–0.68). Conclusions: Incorporating DCR with CR demonstrated moderate sensitivity, high specificity, and high accuracy in detecting PE, all of which were significantly higher than those achieved with CR alone, regardless of scan position, observer expertise, or experience.
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spelling doaj-art-dfae6b5570e44d50b9436a3b35cc96bb2024-12-15T06:15:48ZengElsevierEuropean Journal of Radiology Open2352-04772024-12-0113100602Diagnostic accuracy and added value of dynamic chest radiography in detecting pulmonary embolism: A retrospective studyYuzo Yamasaki0Kazuya Hosokawa1Takeshi Kamitani2Kohtaro Abe3Koji Sagiyama4Takuya Hino5Megumi Ikeda6Shunsuke Nishimura7Hiroyuki Toyoda8Shohei Moriyama9Masateru Kawakubo10Noritsugu Matsutani11Hidetake Yabuuchi12Kousei Ishigami13Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Japan; Correspondence to: Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, JapanDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, JapanDepartment of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, JapanDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, JapanDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, JapanDepartment of Hematology, Oncology &amp; Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, JapanDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, JapanDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, JapanDepartment of Hematology, Oncology &amp; Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, JapanDepartment of Health Sciences, Graduate School of Medical Sciences, Kyushu University, JapanHealthcare Business Headquarters, KONICA MINOLTA, INC., JapanDepartment of Health Sciences, Graduate School of Medical Sciences, Kyushu University, JapanDepartment of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, JapanPurpose: This study aimed to assess the diagnostic performance of dynamic chest radiography (DCR) and investigate its added value to chest radiography (CR) in detecting pulmonary embolism (PE). Methods: Of 775 patients who underwent CR and DCR in our hospital between June 2020 and August 2022, individuals who also underwent contrast-enhanced CT (CECT) of the chest within 72 h were included in this study. PE or non-PE diagnosis was confirmed by CECT and the subsequent clinical course. The enrolled patients were randomized into two groups. Six observers, including two thoracic radiologists, two cardiologists, and two radiology residents, interpreted each chest radiograph with and without DCR using a crossover design with a washout period. Diagnostic performance was compared between CR with and without DCR in the standing and supine positions. Results: Sixty patients (15 PE, 45 non-PE) were retrospectively enrolled. The addition of DCR to CR significantly improved the sensitivity, specificity, accuracy, and area under the curve (AUC) in the standing (35.6–70.0 % [P < 0.0001], 84.8–93.3 % [P = 0.0010], 72.5–87.5 % [P < 0.0001], and 0.66–0.85 [P < 0.0001], respectively) and supine (33.3–65.6 % [P < 0.0001], 78.5–92.2 % [P < 0.0001], 67.2–85.6 % [P < 0.0001], and 0.62–0.80 [P = 0.0002], respectively) positions for PE detection. No significant differences were found between the AUC values of DCR with CR in the standing and supine positions (P = 0.11) or among radiologists, cardiologists, and radiology residents (P = 0.14–0.68). Conclusions: Incorporating DCR with CR demonstrated moderate sensitivity, high specificity, and high accuracy in detecting PE, all of which were significantly higher than those achieved with CR alone, regardless of scan position, observer expertise, or experience.http://www.sciencedirect.com/science/article/pii/S2352047724000571Dynamic chest radiographyPulmonary embolismDiagnostic accuracyContrast-enhanced computed tomography
spellingShingle Yuzo Yamasaki
Kazuya Hosokawa
Takeshi Kamitani
Kohtaro Abe
Koji Sagiyama
Takuya Hino
Megumi Ikeda
Shunsuke Nishimura
Hiroyuki Toyoda
Shohei Moriyama
Masateru Kawakubo
Noritsugu Matsutani
Hidetake Yabuuchi
Kousei Ishigami
Diagnostic accuracy and added value of dynamic chest radiography in detecting pulmonary embolism: A retrospective study
European Journal of Radiology Open
Dynamic chest radiography
Pulmonary embolism
Diagnostic accuracy
Contrast-enhanced computed tomography
title Diagnostic accuracy and added value of dynamic chest radiography in detecting pulmonary embolism: A retrospective study
title_full Diagnostic accuracy and added value of dynamic chest radiography in detecting pulmonary embolism: A retrospective study
title_fullStr Diagnostic accuracy and added value of dynamic chest radiography in detecting pulmonary embolism: A retrospective study
title_full_unstemmed Diagnostic accuracy and added value of dynamic chest radiography in detecting pulmonary embolism: A retrospective study
title_short Diagnostic accuracy and added value of dynamic chest radiography in detecting pulmonary embolism: A retrospective study
title_sort diagnostic accuracy and added value of dynamic chest radiography in detecting pulmonary embolism a retrospective study
topic Dynamic chest radiography
Pulmonary embolism
Diagnostic accuracy
Contrast-enhanced computed tomography
url http://www.sciencedirect.com/science/article/pii/S2352047724000571
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