Rheumatology (Oxford, England) · 2025
Comparison of quantitative lung ultrasound scores with automated quantitative CT: to overcome the ultrasound limitations.
СтатьяСравнительное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Mohammad Reza Beigi Davide, Pellegrino Greta, Landini Nicholas, Diana Marco Emanuele, Paone Gregorino, Bisconti Ilaria, Di Ciommo Francesca Romana, Cadar Marius, Platania Elena, Landro Jacopo, Truglia Simona, Panebianco Valeria, Conti Fabrizio, Riccieri Valeria
Аннотация
OBJECTIVES: Lung ultrasound (LUS) is emerging as a valuable tool for assessing systemic sclerosis-associated interstitial lung disease (SSc-ILD), although it traditionally explores only superficial lung regions. Building upon our preliminary findings, this study investigated correlations between quantitative LUS scores and automated quantitative computed tomography (qCT) measurement of ILD extent, including both superficial and deeper lung involvement.
METHODS: Between 2021 and 2023, 82 consecutive SSc patients underwent concurrent LUS and CT scans. Total B-lines (BL) count (range 0-140) and our novel pleural line irregularity (PLI) score (range 0-28) were obtained using a 14-intercostal space scanning protocol. CT scans were analysed by automated texture analysis software, quantifying volumes of ILD, ground-glass opacities (GGO) and reticulations (RET), segmented in three levels (apices, midfields, bases) and subdivided in surface and core lung parenchyma.
RESULTS: Total BL count and PLI score correlated with total ILD, GGO and RET volumes (all P < 0.0001), as well as with surface and core ILD volumes (all P < 0.0001). Basal lung BLs and PLI score correlated with basal ILD, GGO, RET (all P < 0.005) and corresponding surface and core ILD volumes (all P < 0.005). Mid-lung PLI correlated also with corresponding ILD-related changes and surface and core ILD (all P < 0.005). These associations were confirmed by multivariate regression analysis.
CONCLUSIONS: Quantitative LUS score correlated with qCT-defined ILD extent, especially at lung bases. LUS scores (particularly the novel PLI score) were found to correlate with deeper ILD volume, suggesting potential to overcome traditional LUS limitations related to superficial lung assessment.
METHODS: Between 2021 and 2023, 82 consecutive SSc patients underwent concurrent LUS and CT scans. Total B-lines (BL) count (range 0-140) and our novel pleural line irregularity (PLI) score (range 0-28) were obtained using a 14-intercostal space scanning protocol. CT scans were analysed by automated texture analysis software, quantifying volumes of ILD, ground-glass opacities (GGO) and reticulations (RET), segmented in three levels (apices, midfields, bases) and subdivided in surface and core lung parenchyma.
RESULTS: Total BL count and PLI score correlated with total ILD, GGO and RET volumes (all P < 0.0001), as well as with surface and core ILD volumes (all P < 0.0001). Basal lung BLs and PLI score correlated with basal ILD, GGO, RET (all P < 0.005) and corresponding surface and core ILD volumes (all P < 0.005). Mid-lung PLI correlated also with corresponding ILD-related changes and surface and core ILD (all P < 0.005). These associations were confirmed by multivariate regression analysis.
CONCLUSIONS: Quantitative LUS score correlated with qCT-defined ILD extent, especially at lung bases. LUS scores (particularly the novel PLI score) were found to correlate with deeper ILD volume, suggesting potential to overcome traditional LUS limitations related to superficial lung assessment.