Clinical symptoms
cough, dyspnea, ARDS
ARDS
In this study, various clinical symptoms were evaluated before and after the intervention. Specifically, symptoms closely associated with ARDS were examined in detail. The cough symptom showed improvement in both intervention groups compared to the control group. Additionally, all patients in the MSC group and nearly 90% of patients in the MSCs plus EVs group and control group had dyspnea at baseline, which decreased to below 10% in each group after the intervention (