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Background Interstitial lung disease (ILD) is a serious threat to human health due to its difficult diagnosis and lack of effective treatment. Lung ultrasound (LUS) has recently been applied to the detection of ILD, and butthe data on its role in the diagnosis of ILD remain limited. The aim of this study was to explore the value of LUS in the diagnosis of ILD.Methods This retrospective study was carried out by reviewing the medical records of patients admitted to a respiratory ward from June 2018 to July 2019. Only patients discharged with a clinical diagnosis of ILD and underwent high-resolution computerised tomography (HRCT) and LUS within a week were selected. Basic information about the patients, laboratory data, characteristic mages of LUS scans and diagnosis results of HRCT and LUS were collected. The sensitivity of LUS and HRCT in the diagnosis of ILD was calculated, and clinical diagnosis was applied as the gold standard.Results A total of 32 patients with a clinical diagnosis of ILD were enrolled. Out of the 32 patients, 5 patients (15.63%) had false negative results in LUS, and 3 (9.38%) had false negative results in HRCT. False positive cases were not observed. All patients were diagnosed with ILD, and thus, the specificity of the examination could not be counted. With the clinical diagnosis of ILD as the gold standard, the sensitivity values of LUS and HRCT for the diagnosis of ILD were 0.84 (0.67–0.95) and 0.91 (0.75–0.98), respectively. No significant difference in sensitivity was observed between the two groups ( P =0.4795).Conclusions LUS is not inferior to HRCT in the diagnosis of ILD. Considering its safety, low cost, portability and practicability, LUS should be considered as the first-line imaging tool for patients with suspected ILD. |
