Full author information is available at the end of the article Greet Van den Berghe, Alexander Wilmer, Rik Gosselink and Greet Hermans have equally contributed. The members of the COVID-19 consortium are listed in "Acknowledgements".

BackgroundLong-term outcome data of COVID-19 survivors are needed to understand their recovery trajectory and additional care needs.MethodsA prospective observational multi-centre cohort including adults hospitalised with COVID-19 from March through May 2020. Work-up at 3 and 12 months following admission consisted of clinical review, pulmonary function testing, 6-min walking distance (6MWD), muscle strength, chest computed tomography (CT), and quality of life questionnaires. We evaluated factors correlating with recovery by linear mixed effects modelling.ResultsOf 695 patients admitted, 299 and 226 returned at 3 and 12 months, respectively (median age 59 years, 69% male, 31% severe disease). About 1/2 and 1/3 reported fatigue, dyspnoea and/or cognitive impairment at 3 and 12 months, respectively. Reduced 6MWD and quadriceps strength were present in 20% and 60% at 3 months versus 7% and 30% at 12 months. A high anxiety score and body mass index correlated with poor functional recovery. At 3 months, diffusing capacity for carbon monoxide (DLCO) and total lung capacity were below the lower limit of normal in 35% and 18%, decreasing to 21% and 16% at 12 months; predictors of poor DLCO recovery were female sex, pre-existing lung disease, smoking, and disease severity. Chest CT improved over time; 10% presented non-progressive fibrotic changes at 1 year.ConclusionMany COVID-19 survivors, especially with severe disease, experienced limitations at 3 months. At 1 year, the majority showed improvement to almost complete recovery. To timely identify additional care or rehabilitation needs, we recommend a multidisciplinary follow-up visit following COVID-19 admission.

Many patients struggle with ongoing symptoms in different domains (physical, mental, cognitive) after hospitalisation for COVID-19, calling out for a multidisciplinary approach. An outpatient multidisciplinary rehabilitation programme, according to a respiratory rehabilitation strategy, was set up for adult patients who were able to attend group sessions during 12 weeks. Results of 22 adult patients with COVID-19, of which 15 had required intensive care, were analysed and some general impressions and challenges of rehabilitation in COVID-19 were reported. Impressive results on physical recovery were determined after 6 weeks and 3 months, with significant improvement of lung function, muscle force and exercise capacity variables. A positive evolution of mental and cognitive burden was present, although less pronounced than the physical recovery. These mental and cognitive consequences seem, next to musculoskeletal and medical complications, the most challenging aspect of rehabilitating patients with COVID-19. These real-world data show feasibility and efficiency of a multidisciplinary respiratory rehabilitation programme after moderate to severe COVID-19 disease.

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Key summary points Aim To retrospectively analyse data obtained from the multi-domain assessment of hospitalized COVID-19 patients, to describe their health status at discharge, and to investigate whether subgroups of patients, more specific ICU patients and older adults (> 70 years), had more (or less) risk to experience specific impairments. Findings The results of the assessment show that physical, functional, cognitive, nutritional, and psychological impairments are highly prevalent in the group of COVID-19 patients, both in ICU and non-ICU patients, adults and older adults. Message The high prevalence of physical, cognitive, psychological, and functional impairments in hospitalized COVID-19 patients, both ICU and non-ICU patients, indicates that assessment of impairments is imperative.