BACKGROUND: Persistent respiratory symptoms in COVID-19 patients have raised concerns about structural remodelling in the lung. We assessed structural changes and their correlation with reduced DLCO, eight months after discharge, in previously hospitalised COVID-19 patients. MATERIALS AND METHODS: An exploratory observational study was conducted on 26 male patients (mean age: 60 years, range: 50-69) previously hospitalised for COVID-19. CT scans, performed eight months post-discharge, were analysed using functional respiratory imaging (FRI) to assess lung structure and function. Analyses were made based on diffusion capacity for carbon monoxide (DLCO). RESULTS: Patients with low DLCO (
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