Long-Term Symptoms in Hospitalized COVID-19 Patients: A Prospective 9-Month Follow-up Study

Document Type : Original Research

Authors
P. shahbazi 1
M. Talebi-Taher 1
B. Banivaheb 2
Z. Yassin 1
A. Yahyavi 3
N. Hemmati 2
1 Antimicrobial Resistance Research Center, Institute of Immunology and Infectious Diseases , School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
2 Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran.
3 School of medicine, Iran University of Medical Sciences, Tehran, Iran.
10.61186/iem.9.4.339
Abstract
Aims: This study aimed to investigate persistent symptoms of coronavirus disease 2019 (COVID-19) patients admitted to a general tertiary teaching hospital during a 9-month follow-up period.

Materials & Methods: In this study, 400 hospitalized COVID-19 patients in Iran were studied, among them 78 RT-qPCR positive cases were identified from February 19 to March 18, 2020. After excluding readmitted and deceased patients, 75 cases underwent in-hospital follow-up. Out-of-hospital follow-up was done for 57 living patients, of whom four cases were unreachable, and five cases died after discharge. The remaining 48 participants were followed up for nine months, and their symptoms and complaints were checked by regular visits to the infectious disease clinic and telephone calls via a checklist designed by the authors.

Findings: The mean age of RT-qPCR positive hospitalized patients was 54.64 ± 17.42 years, and 38.7% of them were female. Overall, five (10.4%) patients complained of dyspnea, three (6.2%) patients of olfactory nerve complications, three (6.2%) patients of persistent fatigue, and two (4.2%) patients of prolonged cough up to the end of the follow-up period. New-onset symptoms were reported in five (10.4%) patients; in most of them (4 out of 5), these symptoms were neurological (urinary retention, tremor with ataxia, distraction, and insomnia).

Conclusion: A large proportion of patients who recover from COVID-19 infection experience prolonged symptoms. Further investigations should be done to provid more data on the underlying causes and risk factors of developing these post-COVID conditions.

Keywords

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Infection Epidemiology and Microbiology
Volume 9, Issue 4
December 2023
Pages 339-347