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Updated: Jun 14, 2025
An Intact Pericardium Ischemic Rodent Model
Published on: September 2, 2021
Acute idiopathic pericarditis during a national lockdown to prevent transmission of SARS-COVID-19
Anne Langsted1, Nicola C Edwards2,3, Tom Pasley2
1Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Copenhagen University Hospital, Denmark.
Background:
Idiopathic acute pericarditis is often presumed to have a viral cause. We hypothesized that if acute viral infection was the cause, the incidence of acute 'idiopathic' pericarditis would decrease during a public health lockdown introduced to prevent the spread of SARS-COVID-19 in New Zealand when acute viral infections decreased by 75% to 99%.
Methods:
Hospitalization for acute 'idiopathic' pericarditis during 5 months of the national public health lockdown were compared to 54 months before the COVID-19 pandemic from administrative data.
Results:
The hospitalization rate for acute pericarditis was similar before (n = 1364, 24.8 cases/30 days) compared to during the public health lockdown (n = 132, 25.8 cases/30 days), +4% 95 % confidence interval -25 % to +30 % (P = 0.67).
Conclusion:
These observations do not support the hypothesis that acute viral infection is the cause for most cases of acute idiopathic pericarditis.
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