A Case Series Examining the 1-year Follow-up Outcomes of Myocarditis Associated with COVID-19 Vaccination
Background: COVID-19 messenger RNA (mRNA) vaccine-related myocarditis, though rare, primarily affects young males and often presents its symptoms within the 1st week postvaccination. Aims and Objectives: To assess the long-term outcomes of individuals diagnosed with myocarditis following COVID-19 va...
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| Main Authors: | , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wolters Kluwer Medknow Publications
2024-10-01
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| Series: | Heart Views |
| Subjects: | |
| Online Access: | https://journals.lww.com/10.4103/heartviews.heartviews_62_24 |
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| Summary: | Background:
COVID-19 messenger RNA (mRNA) vaccine-related myocarditis, though rare, primarily affects young males and often presents its symptoms within the 1st week postvaccination.
Aims and Objectives:
To assess the long-term outcomes of individuals diagnosed with myocarditis following COVID-19 vaccination.
Materials and Methods:
We conducted a case series analysis involving 17 patients diagnosed with inflammatory myocarditis.
Results:
Symptoms in these patients typically appeared 24–96 h after receiving the COVID-19 mRNA vaccine. Fortunately, the prognosis for these patients is generally favorable, characterized by good short-term recovery and minimal long-term consequences. Follow-up cardiac magnetic resonance imaging (CMR) among our patients revealed alongside a preserved ejection fraction, the absence of fibrosis in 7 out of 13 (54%) patients with minimal residual fibrosis in 5 (38%) patients, whereas the remaining one patient demonstrated fibrosis consistent with hypertrophic cardiomyopathy.
Conclusion:
Despite the seemingly benign nature of COVID-19 mRNA vaccine-related myocarditis thus far, it is crucial to emphasize the necessity of prolonged clinical and CMR follow-up exceeding 1 year. Extended monitoring is essential to gain a deeper understanding of the true nature of this condition and its potential implications. This comprehensive approach will contribute significantly to ensuring the ongoing safety and efficacy of COVID-19 vaccination programs. |
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| ISSN: | 1995-705X 0976-5123 |