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The inciting factor for bradycardia in COVID-19 patients: a potential harm of steroid treatment
Misa Ogiwara1, Hiroaki Ihara1,2, Yuki Muto1
1Department of Respiratory Medicine, Juntendo University, Faculty of Medicine & Graduate School of Medicine, Tokyo, Japan.
Insights
Steroid treatment in patients with coronavirus disease 2019 (COVID-19) may increase the risk of bradycardia. This study found a higher incidence of bradycardia in COVID-19 patients receiving steroids compared to influenza patients.
Area of Science:
- Infectious Diseases
- Cardiology
- Pharmacology
Background:
- Coronavirus disease 2019 (COVID-19), caused by SARS-CoV-2, has been associated with bradycardia, but the underlying mechanisms are not fully understood.
- This study investigates the occurrence and potential risk factors for bradycardia in COVID-19 patients.
Purpose of the Study:
- To determine the incidence of bradycardia in hospitalized patients with COVID-19.
- To compare the incidence of bradycardia in COVID-19 patients with that in influenza patients.
- To identify risk factors associated with bradycardia in COVID-19 patients.
Main Methods:
- A retrospective cohort study comparing 153 COVID-19 patients with 90 influenza patients.
- Data collected from medical records included demographics, clinical characteristics, and vital signs.
- Multivariate logistic regression analysis was used to identify risk factors for bradycardia.
Main Results:
- COVID-19 patients exhibited a significantly higher incidence of bradycardia and steroid use compared to influenza patients.
- Steroid use was identified as a significant risk factor for bradycardia in COVID-19 patients (OR: 3.67, 95% CI: 1.12-11.96).
- The incidence of bradycardia was higher in COVID-19 patients who received steroid treatment.
Conclusions:
- Steroid treatment may be associated with an increased incidence of bradycardia in patients with COVID-19.
- Further research is warranted to elucidate the relationship between steroid use and bradycardia in COVID-19.
Background:
The coronavirus disease 2019 (COVID-19) is a condition caused by the novel severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2). Although several papers have reported the presence bradycardia in patients with COVID-19, the pathophysiology behind this remains unclear. Therefore, we investigated the presence of bradycardia in patients with COVID-19.
Methods:
We conducted a retrospective cohort study in a total of 153 patients with COVID-19 and 90 patients with influenza who were hospitalized in our hospital from January 1, 2020 to December 31, 2021 and from January 1, 2014 to December 31, 2021, respectively. Data were collected from patient medical records, which included sex, age, duration of hospitalization, pneumonia complications, supplemental oxygen therapy, antiviral treatment, past history, and vital signs.
Results:
After adjustment, the incidence of bradycardia and steroid use in patients with COVID-19 were significantly higher than those in patients with influenza (P=0.007 and P<0.001, respectively). We then compared the detailed characteristics of patients with COVID-19 to evaluate risk factors for bradycardia. Multivariate logistic regression analysis revealed that steroid use was significantly related to bradycardia [P=0.031; odds ratio (OR): 3.67; 95% confidence interval (CI): 1.12-11.96]. Overall, results showed a higher incidence of bradycardia in patients with COVID-19 who received steroid treatment.
Conclusions:
Our results showed that steroid treatment in patients with COVID-19 may be associated with the incidence of bradycardia.
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