Evidence map›Paper›PMID 42273112›Full record

ArticleQuantitative imaging in medicine and surgery2026

Multimodal ultrasound for precise quantitative evaluation of diaphragmatic lesions in idiopathic inflammatory myopathy: a promising assessment tool.

Mei Tian, Min Shu, Ruiqian Guo, Sujiao Cao, Li Qiu, Yuanjiao Tang

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Article in Quantitative imaging in medicine and surgery, 2026. 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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5 · Who and what money

Authors and funding

6 authors.

Mei Tian *Department of Medical Ultrasound, West China Hospital of Sichuan University, Chengdu, China.
Min Shu *Department of Medical Ultrasound, West China Hospital of Sichuan University, Chengdu, China.
Ruiqian GuoDepartment of Medical Ultrasound, West China Hospital of Sichuan University, Chengdu, China.
Sujiao CaoDepartment of Medical Ultrasound, West China Hospital of Sichuan University, Chengdu, China.
Li QiuDepartment of Medical Ultrasound, West China Hospital of Sichuan University, Chengdu, China.
Yuanjiao TangDepartment of Medical Ultrasound, West China Hospital of Sichuan University, Chengdu, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Idiopathic inflammatory myopathy (IIM) is a systemic autoimmune disorder in which respiratory failure, driven by diaphragmatic dysfunction and interstitial lung disease (ILD), is a leading cause of mortality. This study aimed to evaluate IIM-related diaphragmatic involvement via multimodal ultrasound, integrating high-frequency ultrasound (HFUS), M-mode imaging, and ultrasound viscoelasticity imaging (UVI). Methods: In this study, 93 IIM patients and 51 matched healthy controls (HCs) underwent diaphragmatic multimodal ultrasound assessments, including measurements of thickness, excursion, and viscoelastic properties [shear wave speed (Cs), viscosity index (Vi), and dispersion slope (Disp)]. Multivariate logistic regression and receiver operating characteristic (ROC) curve analyses were conducted to identify independent predictors of IIM and to assess the diagnostic efficacy of distinguishing IIM patients from HCs. Subgroup ROC analysis was performed within the IIM cohort to evaluate parameters for identifying respiratory involvement. Additionally, correlations between ultrasound parameters and clinical indicators (serological markers, antibodies, and ILD status) were analyzed. In total, 17 IIM patients completed post-treatment follow-up ultrasound examinations. Results: Compared with the HCs, the patients with IIM exhibited a significantly reduced diaphragmatic thickening fraction (DTF) (HC group: 111.8% Conclusions: Multimodal ultrasound enables the early detection and quantitative monitoring of diaphragmatic impairment in IIM. Viscoelastic parameters, particularly the Vi, may aid in the identification of patients with respiratory involvement. Diaphragmatic functional parameters (excursion and the DTF) are responsive to treatment and may serve as objective biomarkers for monitoring the therapeutic response, complementing conventional serological assessments.

Indexed as

diaphragmhigh-frequency ultrasound (HFUS)Idiopathic inflammatory myopathy (IIM)multimodal ultrasoundultrasound viscoelasticity imaging (UVI)

Identifiers

PMID42273112
PMCPMC13247946

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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.