How well do people with COVID-19 or vaccine-related myocarditis recover long term?

Embargoed until: Publicly released: 2024-08-27 05:00

International

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People who developed the heart condition myocarditis after a COVID-19 vaccine are less likely to have further heart complications in the next 18 months compared to those who developed myocarditis after COVID-19 itself or independently, according to international research. The team looked at hospital readmissions for the condition and other heart conditions and death of any cause over 18 months among 4635 people hospitalised for myocarditis. 558 had a COVID-19 vaccine just before their hospitalisation, 298 had a COVID-19 infection and 3379 had neither. The researchers say those with post-vaccine myocarditis were overall less likely to end up in hospital again with the condition or other heart problems, and they were less likely to die of any cause compared to the other myocarditis patients. The researchers say those with post-vaccine myocarditis still may require medical management for months after their initial hospitalisation, with one patient dying during the course of the study with post-vaccine myocarditis the likely cause.

Media release

From: JAMA

About The Study: Patients with post–COVID-19 mRNA vaccination myocarditis, contrary to those with post–COVID-19 myocarditis, show a lower frequency of cardiovascular complications than those with conventional myocarditis at 18 months. However, affected patients, mainly healthy young men, may require medical management up to several months after hospital discharge.

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Research JAMA, Web page The URL will go live after the embargo ends

Journal/
conference: JAMA

Research:Paper

Organisation/s: French National Health Insurance, France

Funder: Dr Zores reported receiving nonfinancial support from the French Society of Cardiology outside the submitted work. No other disclosures were reported.

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