Delayed Vasovagal Reaction with Reflex Syncope Following COVID-19 Vaccination

Coronavirus disease 2019 (COVID-19) has become a pandemic, and vaccines remain the only effective tools available for ending it. However, their side effects, such as syncope, which mimics sudden cardiac death, are serious concerns. We herein report 6 cases of delayed vasovagal syncope and presyncope...

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Detalles Bibliográficos
Autores principales: Takase, Bonpei, Hayashi, Katsumi, Takei, Satoko, Hisada, Tetsuya, Masaki, Nobuyuki, Nagata, Masayoshi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Japanese Society of Internal Medicine 2022
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9381344/
https://www.ncbi.nlm.nih.gov/pubmed/35569982
http://dx.doi.org/10.2169/internalmedicine.9318-21
Descripción
Sumario:Coronavirus disease 2019 (COVID-19) has become a pandemic, and vaccines remain the only effective tools available for ending it. However, their side effects, such as syncope, which mimics sudden cardiac death, are serious concerns. We herein report 6 cases of delayed vasovagal syncope and presyncope (VVR) caused by COVID-19 vaccination among 25,530 COVID-19 patients. The prevalence of delayed VVR due to COVID-19 vaccination was 0.026%. In addition, no delayed VVR was found among 17,386 patients who received the influenza vaccine. Delayed VVR is likely to be overlooked if medical staff are not aware of this symptom. This report provides significant information regarding effects of COVID-19 vaccination.

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