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Int J Mol Sci . Arrhythmias after COVID-19 Vaccination: Have We Left All Stones Unturned?

tetano

Editor, Senior Moderator
Int J Mol Sci


. 2023 Jun 20;24(12):10405.
doi: 10.3390/ijms241210405. Arrhythmias after COVID-19 Vaccination: Have We Left All Stones Unturned?

Nino Cocco[SUP] 1 [/SUP], Gregor Leibundgut[SUP] 2 [/SUP], Francesco Pelliccia[SUP] 3 [/SUP], Valeria Cammalleri[SUP] 1 [/SUP], Annunziata Nusca[SUP] 1 [/SUP], Fabio Mangiacapra[SUP] 1 [/SUP], Giulio Cocco[SUP] 4 [/SUP], Valerio Fanale[SUP] 1 [/SUP], Gian Paolo Ussia[SUP] 1 [/SUP], Francesco Grigioni[SUP] 1 [/SUP]



Affiliations
Abstract

SARS-CoV-2 vaccination offered the opportunity to emerge from the pandemic and, thereby, worldwide health, social, and economic disasters. However, in addition to efficacy, safety is an important issue for any vaccine. The mRNA-based vaccine platform is considered to be safe, but side effects are being reported more frequently as more and more people around the world become treated. Myopericarditis is the major, but not the only cardiovascular complication of this vaccine; hence it is important not to underestimate other side effects. We report a case series of patients affected by cardiac arrhythmias post-mRNA vaccine from our clinical practice and the literature. Reviewing the official vigilance database, we found that heart rhythm disorders after COVID vaccination are not uncommon and deserve more clinical and scientific attention. Since the COVID vaccine is the only vaccination related to this side effect, questions arose about whether these vaccines could affect heart conduction. Although the risk-benefit ratio is clearly in favor of vaccination, heart rhythm disorders are not a negligible issue, and there are red flags in the literature about the risk of post-vaccination malignant arrhythmias in some predisposed patients. In light of these findings, we reviewed the potential molecular pathways for the COVID vaccine to impact cardiac electrophysiology and cause heart rhythm disorders.

Keywords: ACE system and heart conduction; SARS-CoV-2 vaccine side effect; angiotensin II and cardiac arrhythmias; spike protein and cardiac arrhythmias; vaccines and heart rhythm disorders.

 
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