ArticleRespiratory medicine2022
Lung ultrasound findings following COVID-19 hospitalization: A prospective longitudinal cohort study.
Article in Respiratory medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04377035 (The ECHOVID-19 Study - A Prospective Cohort Study Investigating the Acute Effect of COVID-19 on the Heart and Lung by Ultrasound), which is not on this map. Cited by 8 papers.
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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.
The ECHOVID-19 Study - A Prospective Cohort Study Investigating the Acute Effect of COVID-19 on the Heart and Lung by Ultrasound
Who cites it
8 citing papers in PubMed, 10 citations in OpenAlex.
- Lung Ultrasound Abnormalities and LUS Score After COVID-19 Pneumonia: Determinants and Associations with Dyspnoea in a Prospective Cohort.Journal of clinical medicine · 2026Article
- Lung ultrasound performed by primary care physicians as a predictive and diagnostic tool in COVID-19 patients.NPJ primary care respiratory medicine · 2026Observational
- The Role of POCUS to Face COVID-19: A Narrative Review.Journal of clinical medicine · 2024Review
- Article
- Thoracic ultrasonographic and clinical findings at 12-month follow-up of patients admitted with COVID-19.European clinical respiratory journal · 2023Article
- One-Year Follow-Up Lung Ultrasound of Post-COVID Syndrome-A Pilot Study.Diagnostics (Basel, Switzerland) · 2022Article
- Usefulness of CJournal of clinical medicine · 2022Article
- Do worsening lung ultrasound scans identify severe COVID-19 trajectories?Frontiers in medicine · 2022Article
Corrections and comments
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Authors and funding
26 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLung ultrasound (LUS) is a useful tool for diagnosis and monitoring in patients with active COVID-19-infection. However, less is known about the changes in LUS findings after a hospitalization for COVID-19.
methodsIn a prospective, longitudinal study in patients with COVID-19 enrolled from non-ICU hospital units, adult patients underwent 8-zone LUS and blood sampling both during the hospitalization and 2-3 months after discharge. LUS images were analyzed blinded to clinical variables and outcomes.
resultsA total of 71 patients with interpretable LUS at baseline and follow up (mean age 64 years, 61% male, 24% with acute respiratory distress syndrome (ARDS)) were included. The follow-up LUS was performed a median of 72 days after the initial LUS performed during hospitalization. At baseline, 87% had pathologic LUS findings in ≥1 zone (e.g. ≥3 B-lines, confluent B-lines or subpleural or lobar consolidation), whereas 30% had pathologic findings at follow-up (p < 0.001). The total number of B-lines and LUS score decreased significantly from hospitalization to follow-up (median 17 vs. 4, p < 0.001 and 4 vs. 0, p < 0.001, respectively). On the follow-up LUS, 28% of all patients had ≥3 B-lines in ≥1 zone, whereas in those with ARDS during the baseline hospitalization (n = 17), 47% had ≥3 B-lines in ≥1 zone.
conclusionLUS findings improved significantly from hospitalization to follow-up 2-3 months after discharge in COVID-19 survivors. However, persistent B-lines were frequent at follow-up, especially among those who initially had ARDS. LUS seems to be a promising method to monitor COVID-19 lung changes over time. CLINICALTRIALS: GOV ID: NCT04377035.
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