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Prevalence of Smell or Taste Dysfunction Among Children With COVID-19 Infection: A Systematic Review and Meta-Analysis.

ABSTRACT: Background: Smell and taste dysfunctions are common and have been reported as an early indicator of COVID-19. The prevalence of smell and taste dysfunctions among children with COVID-19 varies greatly across studies, which remains to be summarized quantitatively. This review aimed at examining the pooled prevalence of smell or taste dysfunctions among children with COVID-19, summarizing possible causes of the inconsistencies in the current estimates. Methods: Systematic searches of databases were conducted for literature published until 12 January 2021. Statistical analyses were performed using R software, the pooled prevalence was combined using random effects model. The Loney criteria were used for quality assessment. Results: A total of 18 eligible studies were included. The results showed that the pooled prevalence of smell dysfunction among children with COVID-19 was 15.97% (95% CI: 8.18-23.77%), the pooled prevalence of taste dysfunction among children with COVID-19 was 9.20% (95% CI: 4.25-14.16%), the pooled prevalence of smell or taste dysfunction among children with COVID-19 was 15.50% (95% CI: 10.30-20.70%) and the pooled prevalence of smell and taste dysfunction among children with COVID-19 was 20.21% (95% CI: 14.14-26.28%). Higher smell or taste dysfunction rates were associated with being female, younger age, smaller sample size, patients in Asia, and with comorbidities. Conclusions: Evidence suggests that smell or taste dysfunctions were common among children with COVID-19. Further research is needed to identify effective strategies for preventing and treating smell and taste dysfunctions among children with COVID-19.

SUBMITTER: Yan Q

PROVIDER: S-EPMC8369032 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:IntroductionAnosmia and hypogeusia are frequent symptoms in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in adults, but their incidence in children is unknown.ObjectiveDescribe the incidence and associated characteristics of olfactory and gustatory dysfunction in children with SARS-CoV-2 infection.Material and methodsDescriptive study carried out by telephone survey of patients aged between five and 18 years with SARS-CoV-2 infection confirmed between March and December, 2020.ResultsTwo hundred eighty Spanish patients (female: 42.2%) with a mean age of 10.4 years (±3.54, range: 5 to 17) were analyzed, 22.5% with other diseases (mostly respiratory: 11.8%). The most frequent symptoms were fever (55.36%) and neurological symptoms (45.7%). Forty-four (15.7%) were hospitalized due to the infection, in intensive care unit (ICU): 7.1%. Forty-five patients (16.1%) had anosmia and/or hypogeusia: 32 both, eight with hypogeusia only, and five with exclusively anosmia. The mean symptom duration in days for anosmia was 36.4, and for hypogeusia it was 27.6. Either symptom was the initial manifestation in 15 patients. None had anosmia/hypogeusia with no other symptoms. Anosmia/hypogeusia was related to the presence of respiratory infection, gastroenteritis, chills, odynophagia, myalgia, asthenia, and anorexia, but not severity (hospitalization/ICU admission). Cohabitation with another infected individual was associated with a higher incidence of anosmia/hypogeusia (P = 0.041) and duration of anosmia (P = 0.006). The presence of anosmia/hypogeusia in cohabitants was associated with longer duration of anosmia (P < 0.001).ConclusionsThe incidence of anosmia/hypogeusia in children with SARS-CoV-2 was lower than that reported in adults, although with a longer duration. Although no association was found between anosmia/hypogeusia and greater disease severity, recognition of these symptoms could help identify paucisymptomatic patients.

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Prevalence of Smell or Taste Dysfunction Among Children With COVID-19 Infection: A Systematic Review and Meta-Analysis.

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