A case of acute encephalopathy and non-ST segment elevation myocardial infarction following mRNA-1273 vaccination:

Sabrina Yesmin Barsha1, Miah Md Akiful Haque2, Md Utba Rashid3

  • 1Ibn Sina Medical College Hospital, Kallyanpur, Dhaka, Bangladesh.

Insights

A 77-year-old man developed acute encephalopathy and myocardial infarction shortly after receiving the Moderna COVID-19 vaccine. Further studies are needed to determine if the vaccine caused these serious adverse events.

Area of Science:

  • Neurology
  • Cardiology
  • Vaccinology

Background:

  • A 77-year-old male with type 2 diabetes, peripheral neuropathy, and COPD presented with acute encephalopathy and non-ST segment elevation myocardial infarction (NSTEMI).
  • The patient had received his first dose of the Moderna coronavirus disease 2019 (COVID-19) vaccine two days prior to admission.

Observation:

  • Clinical presentation included a Glasgow Coma Scale of 8/15, tachycardia (106 bpm), tachypnea (30 breaths/min), hypoxia (80% on room air), and hypotension (90/60 mm Hg).
  • The patient was managed conservatively with intravenous antibiotics and supportive care.

Findings:

  • The patient experienced onset of acute encephalopathy and NSTEMI following COVID-19 vaccination.
  • Causality between the Moderna vaccine and the observed complications could not be definitively established without larger epidemiological studies.

Implications:

  • This case highlights the importance of monitoring for potential adverse events following COVID-19 vaccination.
  • Further research is warranted to investigate the potential association between mRNA vaccines and neurological or cardiac events.

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