Prevalence of Olfactory and Gustatory Dysfunctions among COVID-19 Patients

Document Type : Original Article

Authors

1 Otorhinolaryngology-Head, Faculty of Medicine, zagazig University, sharkia , Egypt

2 otorhinolaryngology head &neck surgery ,departement faculty of medicine , Zagazig university

3 Professor of Otorhinolaryngology Head and Neck Surgery (ORL & HNS), Faculty of Medicine, Zagazig University Egypt

4 Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Al-Azhar University(Assuit branch), Egypt.

Abstract

Abstract
Objectives: to estimate the prevalence of Olfactory and Gustatory Dysfunctions (OGDs) among patients infected with the novel Coronavirus Disease 2019 (COVID-19).
Background: COVID-19 was first identified in Wuhan, Hubei province, China, on December 31, 2019. The identified symptoms of COVID-19 are fever, dry cough, sore throat, dyspnea, fatigue, myalgia, and headache. Olfactory and gustatory dysfunctions are emerging as a new symptom. They may occur in many situations related to nerve damage, autoimmune disease, malignancy, radiotherapy, inflammation, hormone imbalance, psychologic problems, ageing, etc…
Patients and methods: This cross-sectional study enrolled patients diagnosed as having COVID-19 infection confirmed by PCR for whom history taking, clinical examination and smell identification test were performed.
Results: Within included 200 patients with age ranged from 21 to 60 years (mean=f 32.41), 59% of the studied patients aged 28 years and more, 42.5% of our patients were males and 57.5% of them were females. Lymphopenia was present in 70.5% of them. Olfactory and gustatory impairment were prevailed in 79% of the patients. There is statistically non-significant association between presence of olfactory and gustatory impairment and all of gender, age group, lymphopenia or presence of local or systemic diseases. Females, aged from

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