: Long-term lung sequelae in severe COVID-19 survivors, as well as their treatment, are poorly described in the current literature. : To investigate lung fibrotic sequelae in survivors of severe/critical COVID-19 pneumonia and their fate according to a "non-interventional" approach. : Prospective study of the above COVID-19 survivors after hospital discharge from March 2020 to October 2022. Re-evaluation lasted 3-12 months and included chest HRCT, PFTs, dyspnea, and overall health evaluation by modified Medical Research Council (mMRC) and St. George's Respiratory Questionnaire (SGRQ), respectively. : In this study, 198 patients (61.1% male) with a median age of 57 years (IQR 49-66). After 3 months, 187 (94.4%) patients were assessed; after 6 months, 82 (41.1%) patients were assessed; and after 12 months, 16 (8%) patients were assessed. At each time point, a significant reduction was observed in the extent of COVID-19-associated opacities ( < 0.001 and = 0.002) and of parenchymal bands ( = 0.014 and = 0.025). Persisting fibrotic-like changes were observed in 18 (9%) patients (apical findings in 2 patients, fibrotic non-specific interstitial pneumonia-like changes in 14 patients, minimal fibrotic changes in 2 patients). At 3 months, the predicted median FVC% was 93% (80-100%) and the predicted DLCO% was 65% (58-78%) with a statistically significant improvement at 6 months in both ( = 0.001). Moreover, 81.1% had mMRC ≤ 1 and the median SGRQ was 11.65 [0-24.3] with a significant reduction at 6 months in both dyspnea ( < 0.001) and SGRQ ( = 0.027) persisting at 12 months. : This prospective study, including only survivors of severe/critical COVID-19 pneumonia, documented the significant improvement in all imaging, functional, and clinical parameters by applying the "non-interventional" approach. These data do not indicate any post-COVID-19 severe/critical pneumonia and "epidemic of widespread pulmonary fibrosis".
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