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Self-reported Smell and Taste Disorders in Patients With COVID-19: A Japanese Single-center Study.
Yamamoto, Keisuke; Fujiya, Yoshihiro; Kuronuma, Koji; Ogasawara, Noriko; Ohkuni, Tsuyoshi; Yokota, Shin-Ichi; Takahashi, Satoshi; Takano, Kenichi.
  • Yamamoto K; Department of Otorhinolaryngology Head & Neck Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan; yamakei0622@sapmed.ac.jp.
  • Fujiya Y; Department of Microbiology, Sapporo Medical University School of Medicine, Sapporo, Japan.
  • Kuronuma K; Department of Infection Control & Laboratory Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan.
  • Ogasawara N; Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo, Japan.
  • Ohkuni T; Department of Otorhinolaryngology Head & Neck Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan.
  • Yokota SI; Department of Microbiology, Sapporo Medical University School of Medicine, Sapporo, Japan.
  • Takahashi S; Department of Otorhinolaryngology Head & Neck Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan.
  • Takano K; Department of Microbiology, Sapporo Medical University School of Medicine, Sapporo, Japan.
In Vivo ; 36(2): 918-924, 2022.
Article in English | MEDLINE | ID: covidwho-1732568
ABSTRACT
BACKGROUND/

AIM:

Smell and taste disorders are among the most common symptoms of COVID-19. However, the relationship between smell and taste disorders and systemic symptoms is not fully understood in Japan. PATIENTS AND

METHODS:

Questionnaires were mailed to 105 of 111 COVID-19 patients who were hospitalized at our hospital between March and July 2020 in Japan.

RESULTS:

A total of 74 patients (response rate 70.5%) completed the survey. Of these, six patients (8.1%) presented with smell disorders only, 16 (21.6%) presented with taste disorders only, and 17 (23.0%) presented with both smell and taste disorders. The mean Visual Analog Scale for smell and taste was 0.5 and 20, respectively, at the time of the most severe symptoms.

CONCLUSION:

Among COVID-19 patients in Japan, smell and taste disorders are often followed by fever and may not be the first symptoms. Sense of smell is particularly impaired. These symptoms often improve, although they sometimes persist for a long time as sequelae.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Smell / COVID-19 Type of study: Diagnostic study / Observational study Topics: Long Covid Limits: Humans Country/Region as subject: Asia Language: English Journal: In Vivo Journal subject: Neoplasms Year: 2022 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Smell / COVID-19 Type of study: Diagnostic study / Observational study Topics: Long Covid Limits: Humans Country/Region as subject: Asia Language: English Journal: In Vivo Journal subject: Neoplasms Year: 2022 Document Type: Article