Sawan HM, Khalifeh AH, Ahmed M, Khalil MM, Al Omari SM, Binsuwaidan R. Post-COVID syndrome: analysis of the prevalence of chemosensory dysfunction and predictive factors of recovery in COVID-19 long-haulers in Jordan.
Eur Rev Med Pharmacol Sci 2024;
28:2593-2604. [PMID:
38567618 DOI:
10.26355/eurrev_202403_35765]
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Abstract
OBJECTIVE
One of the major concerns of the post-COVID-19 era is elucidating and addressing the long-term complications of COVID-19.
SUBJECTS AND METHODS
A web-based questionnaire was distributed in Jordan to assess the prevalence and recovery from chemosensory dysfunction among COVID-19 long-haulers in Jordan.
RESULTS
A total of 611 respondents complained of chemosensory dysfunction (age range = 18-68 years), and the majority of the respondents were female (88.4%). Parosmia was the most prevalent olfactory dysfunction reported (n = 337, 33.3%), and parageusia was the most frequently reported gustatory dysfunction (n = 239, 36.4%). Medications were not reported to be associated with a better perception of smell or taste by nearly half of those who had been treated (n = 146, 46.1%). Among participants who had received olfactory rehabilitation/training (n = 215, 35.2%), 43.7% (n = 94) reported modest improvement, with the most frequently helpful scents being coffee (n = 80, 24.8%), aromatic oils (n = 74, 23%), and perfumes/colognes (n = 73, 22.7%). Age was found to have a significant negative correlation with complete recovery. In addition, age (p < .05), anosmia (p < .001), hyperosmia (p < .001), ageusia (p < .05), and duration of olfactory dysfunction (p < .001) were all independent predictors of complete recovery.
CONCLUSIONS
Chemosensory dysfunctions are largely subjective; therefore, more objective examinations are required to draw more definite conclusions.
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