Observational studyBMJ open respiratory research2025
Radiological abnormalities persist following COVID-19 and correlate with impaired health-related quality of life: a prospective cohort study of hospitalised patients.
Observational study in BMJ open respiratory research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04403607 (Cardiovascular and Pulmonary Imaging in SARS-CoV-2), which is not on this map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Cardiovascular and Pulmonary Imaging in SARS-CoV-2: A Study of the Heart, Lungs and Wellbeing After COVID-19.
Who cites it
1 citing paper in PubMed.
Corrections and comments
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Authors and funding
14 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe radiological trajectory of post-COVID-19 is uncertain. We present a prospective, observational, multicentre cohort study using multimodality imaging to describe the pulmonary sequelae of patients hospitalised with COVID-19, predictors of persistent abnormal radiology and implications on health status.
methodsIn survivors of COVID-19, we performed convalescent CT pulmonary angiogram and high-resolution CT imaging as part of the CISCO-19 study (ClinicalTrials.gov ID NCT04403607). This included serial blood biomarkers and patient-reported outcomes 28-60 days following discharge from hospital.
resultsOf the COVID-19 cohort, 88 (56%) patients of the COVID-19 cohort (n = 159; mean age, 55 years; 43% female) had persisting radiological abnormalities at 28-60 days postdischarge. This included ground-glass opacification (45%), reticulation/architectural distortion (30%) or mixed pattern (19%). These features were very infrequent among a group of age-matched, sex-matched and cardiovascular risk factor-matched controls (n=29). The majority of COVID-19 cohort (68%) had less than 20% persisting radiological abnormalities, with 67% demonstrating overall improvement compared with admission imaging. Older age, premorbid performance status, typical acute COVID-19 radiological features, markers of severe acute COVID-19, convalescent ICAM-1 and P-selectin were associated with persisting lung abnormalities (all p<0.05). Patients with persisting abnormalities were shown to have lower levels of physical activity and predicted maximal oxygen utilisation (derived VO
conclusionsPersistent radiological abnormalities post-COVID-19 were common at 28-60 days postdischarge from hospital, although most improved. Patients with persisting radiological abnormalities 28-60 days postdischarge are at risk of persisting health impairment in the longer term and represent a population for targeted intervention. TRIAL REGISTRATION NUMBER: NCT04403607.
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