Key result
Long-COVID syndrome is associated with ~77% dysautonomia prevalence, primarily manifesting as gastrointestinal and orthostatic intolerance.
Why the study?
Although autonomic dysfunction is associated with long-COVID syndrome, data on the prevalence and patterns of dysautonomia symptoms in a large population are lacking.
Cross-Sectional (n=320)
No
Symptoms of dysautonomia, particularly gastrointestinal, secretomotor, and orthostatic intolerance, are highly prevalent in patients with long-COVID syndrome.
Answers are grounded in this paper and cite their sources.
Dysautonomia symptoms warrant clinical recognition in long-COVID; leaves open causal mechanisms and treatment effects pending prospective studies.
BACKGROUND: The association between autonomic dysfunction and long-COVID syndrome is established. However, the prevalence and patterns of symptoms of dysautonomia in long-COVID syndrome in a large population are lacking. OBJECTIVE: To evaluate the prevalence and patterns of symptoms of dysautonomia in patients with long-COVID syndrome. METHODS: We administered the Composite Autonomic Symptom Score 31 (COMPASS-31) questionnaire to a sample of post-COVID-19 patients who were referred to post-COVID clinic in Assiut University Hospitals, Egypt for symptoms concerning for long-COVID syndrome. Participants were asked to complete the COMPASS-31 questionnaire referring to the period of more than 4 weeks after acute COVID-19. RESULTS: We included 320 patients (35.92 ± 11.92 years, 73% females). The median COMPASS-31 score was 26.29 (0-76.73). The most affected domains of dysautonomia were gastrointestinal, secretomotor, and orthostatic intolerance with 91.6%, 76.4%, and 73.6%, respectively. There was a positive correlation between COMPASS-31 score and long-COVID duration (p < 0.001) and a positive correlation between orthostatic intolerance domain score and post-COVID duration (p < 0.001). There was a positive correlation between orthostatic intolerance domain score and age of participants (p = 0.004). Two hundred forty-seven patients (76.7%) had a high score of COMPASS-31 >16.4. Patients with COMPASS-31 >16.4 had a longer duration of long-COVID syndrome than those with score <16.4 (46.2 vs. 26.8 weeks, p < 0.001). CONCLUSIONS: Symptoms of dysautonomia are common in long-COVID syndrome. The most common COMPASS-31 affected domains of dysautonomia are gastrointestinal, secretomotor, and orthostatic intolerance. There is a positive correlation between orthostatic intolerance domain score and patients' age.
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El‐Dokla et al. (2022) conducted a cross-sectional in long-COVID syndrome (n=320). long-COVID syndrome was evaluated on Prevalence of dysautonomia symptoms (COMPASS-31 score >16.4). In patients with long-COVID syndrome, 76.7% had a high COMPASS-31 score (>16.4) indicating dysautonomia, with gastrointestinal, secretomotor, and orthostatic intolerance being most affected.
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