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Patterns and clinical outcomes of olfactory and gustatory disorders in six months: Prospective study of 1031 COVID-19 patients.
Teaima, Ahmed Abdelmoneim; Salem, Osama Maher; Teama, Mohammed Abd El Monem; Mansour, Ossama Ibrahim; Taha, Mohamed Shehata; Badr, Fatma Mohammed; Khater, Shaimaa Sayed; Abdou, Khaled; Mahmoud, Mohammad Salah.
  • Teaima AA; Otorhinolaryngology Department, Faculty of Medicine, Ain Shams University, Egypt.
  • Salem OM; Otorhinolaryngology Department, Faculty of Medicine, Ain Shams University, Egypt.
  • Teama MAEM; Internal Medicine Department, Faculty of Medicine, Ain Shams University, Egypt.
  • Mansour OI; Otorhinolaryngology Department, Faculty of Medicine, Ain Shams University, Egypt.
  • Taha MS; Otorhinolaryngology Department, Faculty of Medicine, Ain Shams University, Egypt.
  • Badr FM; Internal Medicine Department, Faculty of Medicine, Ain Shams University, Egypt.
  • Khater SS; Neurology Department, Faculty of Medicine, Ain Shams University, Egypt.
  • Abdou K; Anesthesiology Department, Faculty of Medicine, Ain Shams University, Egypt.
  • Mahmoud MS; Otorhinolaryngology Department, Faculty of Medicine, Ain Shams University, Egypt. Electronic address: salahmady@med.asu.edu.eg.
Am J Otolaryngol ; 43(1): 103259, 2022.
Article in English | MEDLINE | ID: covidwho-1446373
ABSTRACT

OBJECTIVE:

This study aims to comprehensively evaluate olfactory and gustatory dysfunctions during the COVID-19 pandemic regarding onset, course, associated symptoms, prognosis and relation to patients' demographics, treatment received and other symptoms. PATIENTS&

METHODS:

This is a prospective study conducted on patients proven to be infected with COVID-19 and with olfactory/gustatory dysfunction symptoms. Detailed history was taken from each patient about the onset of this dysfunction, associated symptoms. Then follow-up survey was done after 6 months to evaluate the prognosis.

RESULTS:

1031 patients were included in the study, aged 18 to 69 years old, with 31.8% were male. Olfactory/gustatory dysfunctions occurred after other COVID-19 symptoms in 43.5% of cases, occurred suddenly in 80.4% and gradually in 19.6%. These dysfunctions were anosmia & ageusia in 50.2%, hyposmia & hypogeusia in 23.3%, anosmia alone in 17.7%, phantosmia in 18%, Parosmia in 28.4%. In terms of recovery 6-month follow up, 680 patients (66%) recovered completely, 22.1% recovered partially while 11.9% did not recover. Most improvement occurred in the first two weeks. Headache, malaise, nasal obstruction and rhinorrhea were the commonest COVID-19 symptoms associated.

CONCLUSION:

Most recovery of olfactory/gustatory dysfunction in COVID-19 infection occurs at the first two weeks and is unrelated to patient demographics, treatment or olfactory training. Parosmia is an independent predictor for complete recovery, while phantosmia is significantly associated with lower probability of complete recovery.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Taste Disorders / COVID-19 / Olfaction Disorders Type of study: Cohort study / Experimental Studies / Observational study / Prognostic study Topics: Long Covid Limits: Adolescent / Adult / Aged / Female / Humans / Male / Middle aged Country/Region as subject: Africa Language: English Journal: Am J Otolaryngol Year: 2022 Document Type: Article Affiliation country: J.amjoto.2021.103259

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Taste Disorders / COVID-19 / Olfaction Disorders Type of study: Cohort study / Experimental Studies / Observational study / Prognostic study Topics: Long Covid Limits: Adolescent / Adult / Aged / Female / Humans / Male / Middle aged Country/Region as subject: Africa Language: English Journal: Am J Otolaryngol Year: 2022 Document Type: Article Affiliation country: J.amjoto.2021.103259