Headache or Disturbed Smell and Taste During Acute COVID-19 as Predictors of Long COVID at One Year

Author:

Agergaard Jane1

Affiliation:

1. Aarhus University

Abstract

Abstract Purpose: Long coronavirus disease (COVID) poses a significant health concern for a substantial proportion of COVID-19 patients. Viral pathogenesis studies suggest the potential of central nervous system (CNS) affection in the acute phase of COVID-19 predicting long COVID. This study investigates whether acute COVID-19 symptoms, particularly headache and disturbed smell and taste, predict manifestations of long COVID. Methods: This prospective cohort study included COVID-19 patients hospitalized between March 2020, and May 2021. One year after discharge, patients responded to a symptom questionnaire. Logistic regression analysis was used to determine the odds ratio (OR) for these outcomes. Results: Of 288 eligible patients, 111 responded to the follow-up questionnaire. At 1 year follow-up, disturbed smell and taste during acute COVID-19 did not elevate the risk of long COVID. However, patients with acute headache demonstrated a tendency towards an elevated risk of CNS-related long COVID. Notably, this risk significantly increased in patients reporting dizziness (adjusted OR=4.20; 95% confidence interval (CI) 1.19 - 14.85). Neither disturbed smell and taste nor headache during acute COVID-19 indicated a statistically significant risk of worsening in fatigue, health, or total symptom score at 1-year follow-up. Conclusion: Headache, and not disturbed smell and taste, predicted CNS-related long COVID. Further research is warranted to clarify pathways connecting CNS-related symptoms during acute COVID-19 with long COVID, aiding the efforts of addressing the range of symptoms observed among long COVID patients and developing effective interventions.

Publisher

Research Square Platform LLC

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