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Cardiopulmonary recovery after COVID-19: an observational prospective multicentre trial.


ABSTRACT:

Background

After the 2002/2003 severe acute respiratory syndrome outbreak, 30% of survivors exhibited persisting structural pulmonary abnormalities. The long-term pulmonary sequelae of coronavirus disease 2019 (COVID-19) are yet unknown, and comprehensive clinical follow-up data are lacking.

Methods

In this prospective, multicentre, observational study, we systematically evaluated the cardiopulmonary damage in subjects recovering from COVID-19 at 60 and 100 days after confirmed diagnosis. We conducted a detailed questionnaire, clinical examination, laboratory testing, lung function analysis, echocardiography and thoracic low-dose computed tomography (CT).

Results

Data from 145 COVID-19 patients were evaluated, and 41% of all subjects exhibited persistent symptoms 100 days after COVID-19 onset, with dyspnoea being most frequent (36%). Accordingly, patients still displayed an impaired lung function, with a reduced diffusing capacity in 21% of the cohort being the most prominent finding. Cardiac impairment, including a reduced left ventricular function or signs of pulmonary hypertension, was only present in a minority of subjects. CT scans unveiled persisting lung pathologies in 63% of patients, mainly consisting of bilateral ground-glass opacities and/or reticulation in the lower lung lobes, without radiological signs of pulmonary fibrosis. Sequential follow-up evaluations at 60 and 100 days after COVID-19 onset demonstrated a vast improvement of symptoms and CT abnormalities over time.

Conclusion

A relevant percentage of post-COVID-19 patients presented with persisting symptoms and lung function impairment along with radiological pulmonary abnormalities >100 days after the diagnosis of COVID-19. However, our results indicate a significant improvement in symptoms and cardiopulmonary status over time.

SUBMITTER: Sonnweber T 

PROVIDER: S-EPMC7736754 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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Cardiopulmonary recovery after COVID-19: an observational prospective multicentre trial.

Sonnweber Thomas T   Sahanic Sabina S   Pizzini Alex A   Luger Anna A   Schwabl Christoph C   Sonnweber Bettina B   Kurz Katharina K   Koppelstätter Sabine S   Haschka David D   Petzer Verena V   Boehm Anna A   Aichner Magdalena M   Tymoszuk Piotr P   Lener Daniela D   Theurl Markus M   Lorsbach-Köhler Almut A   Tancevski Amra A   Schapfl Anna A   Schaber Marc M   Hilbe Richard R   Nairz Manfred M   Puchner Bernhard B   Hüttenberger Doris D   Tschurtschenthaler Christoph C   Aßhoff Malte M   Peer Andreas A   Hartig Frank F   Bellmann Romuald R   Joannidis Michael M   Gollmann-Tepeköylü Can C   Holfeld Johannes J   Feuchtner Gudrun G   Egger Alexander A   Hoermann Gregor G   Schroll Andrea A   Fritsche Gernot G   Wildner Sophie S   Bellmann-Weiler Rosa R   Kirchmair Rudolf R   Helbok Raimund R   Prosch Helmut H   Rieder Dietmar D   Trajanoski Zlatko Z   Kronenberg Florian F   Wöll Ewald E   Weiss Günter G   Widmann Gerlig G   Löffler-Ragg Judith J   Tancevski Ivan I  

The European respiratory journal 20210429 4


<h4>Background</h4>After the 2002/2003 severe acute respiratory syndrome outbreak, 30% of survivors exhibited persisting structural pulmonary abnormalities. The long-term pulmonary sequelae of coronavirus disease 2019 (COVID-19) are yet unknown, and comprehensive clinical follow-up data are lacking.<h4>Methods</h4>In this prospective, multicentre, observational study, we systematically evaluated the cardiopulmonary damage in subjects recovering from COVID-19 at 60 and 100 days after confirmed di  ...[more]

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