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Long COVID update: respiratory sequelae and symptoms
Muhammad Mamoon Iqbal1,2, Ayesha Iqbal3,4, Rachael A Evans1,2
1Department of Respiratory Sciences, Institute for Lung Health, University of Leicester, Leicester, UK.
Long COVID, affecting 6% post-SARS-CoV-2, often causes persistent respiratory issues. Management involves multidisciplinary care, with research ongoing for treatments like immune modulators.
Area of Science:
- Pulmonology
- Infectious Diseases
- Public Health
Background:
- Long COVID (post-COVID condition) impacts approximately 6% of the population after SARS-CoV-2 infection.
- Persistent respiratory symptoms, including breathlessness and cough, are common manifestations.
Purpose of the Study:
- To provide an updated review of current evidence on Long COVID and its respiratory sequelae.
- To focus on persistent symptoms, respiratory complications, and therapeutic strategies.
Main Methods:
- Literature review of recent studies on Long COVID and respiratory conditions.
- Analysis of epidemiological data and clinical trial outcomes.
Main Results:
- Persistent interstitial lung abnormalities are observed in ~11% of hospitalized COVID-19 patients.
- Breathlessness is prevalent in non-hospitalized Long COVID adults, indicating diverse etiologies.
- The risk of venous thromboembolic disease in Long COVID requires further investigation.
Conclusions:
- Long COVID poses complex respiratory challenges requiring careful differential diagnosis from pre-existing conditions.
- Current management emphasizes a symptom-based, multidisciplinary approach.
- Research into novel treatments, including immunomodulatory agents, is ongoing.
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