ArticleEuropean journal of pediatrics2026
Association between thoracic ultrasound findings and respiratory function in children with Duchenne muscular dystrophy.
Article in European journal of pediatrics, 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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Abstract
Duchenne muscular dystrophy (DMD) is characterized by progressive muscle weakness, atrophy, and respiratory failure. As the primary inspiratory muscle, the diaphragm plays a crucial role in the respiratory progression of DMD. Therefore, this study aimed to evaluate diaphragmatic function and structure in children with DMD. This study included 60 children with DMD who underwent diaphragmatic evaluation with B-mode thoracic ultrasonography (USG) and pulmonary functional testing. The same pediatric pulmonologist (P1) and pediatric radiologist (P2) performed all USG scans. The participants were divided into ambulant (n = 39) and non-ambulant (n = 21) groups. The Pediatric Sleep Questionnaire (PSQ) was used to assess the risk of sleep-related breathing disorders. The participants' mean age was 10.2 ± 2.8 years. The forced vital capacity (FVC) and forced expiratory volume in one second (FEV
conclusionThoracic USG, alongside spirometry and MIP/MEP measurements, provides a simple and noninvasive means to evaluate respiratory function in children with DMD, revealing diaphragmatic changes associated with functional decline and the risk of sleep-related breathing disorders. WHAT IS KNOWN: • DMD causes progressive respiratory muscle weakness due to diaphragmatic involvement. • Spirometry and maximal inspiratory and expiratory pressures (MIP/MEP) are commonly used to monitor respiratory function but may be difficult to perform in some children. • Noninvasive assessment of diaphragmatic function in children with DMD is still limited. WHAT IS NEW: • Thoracic USG provides a simple, reproducible, and noninvasive method to evaluate diaphragmatic morphology and motion in children with DMD. • The study demonstrated that non-ambulant children have increased DT but reduced functional indices, reflecting structural adaptation to disease progression. • Significant correlations between USG measurements, spirometric parameters, and PSQ scores highlight the potential of USG as a valuable adjunct tool in respiratory monitoring and early detection of sleep-related breathing disorders in children with DMD.
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