2022
DOI: 10.21203/rs.3.rs-1517291/v2
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Soluble factors in COVID mRNA Vaccine-Induced Myocarditis Causes Cardiomyoblast Hypertrophy and Cell injury: A Case Report

Abstract: Background: Inflammation affecting the heart and surrounding tissues is a clinical condition recently reported following COVID mRNA vaccination. Assessing trends of these events related to immunization will improve vaccine safety surveillance and best practices for forthcoming vaccine campaigns. However, the causality is unknown, and the mechanisms associated with cardiac myocarditis are not understood. Case presentation: After the first dose, we reported an mRNA vaccine-induced perimyocarditis in a young pati… Show more

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“…anaphylatoxin/cytokine double hit) and start of symptoms can be reconciled. Examples for acute, subacute and chronic SAEs include the HSRs or anaphylaxis within minutes to hours [16][17][18][19] , heart inflammation [8][9][10][11][12][13][14][15] , coagulation disorders [21][22][23][24] , or skin diseases [25][26][27][28] can occur within days to months, and autoimmune phenomena 20 may arise without currently foreseeable time limit. A hypothesis that may explain these different latency periods postulates that the actions of effector immune cells, including the mast cells, basophil and neutrophil granulocytes, lymphocytes, macrophages and platelets, are discontinuous, graded in the sense that they manifest only after the activation state of their intracellular inflammatory signaling network reaches the reaction threshold.…”
Section: Clinical Implications Of Vaccine-induced C Activationmentioning
confidence: 99%
See 1 more Smart Citation
“…anaphylatoxin/cytokine double hit) and start of symptoms can be reconciled. Examples for acute, subacute and chronic SAEs include the HSRs or anaphylaxis within minutes to hours [16][17][18][19] , heart inflammation [8][9][10][11][12][13][14][15] , coagulation disorders [21][22][23][24] , or skin diseases [25][26][27][28] can occur within days to months, and autoimmune phenomena 20 may arise without currently foreseeable time limit. A hypothesis that may explain these different latency periods postulates that the actions of effector immune cells, including the mast cells, basophil and neutrophil granulocytes, lymphocytes, macrophages and platelets, are discontinuous, graded in the sense that they manifest only after the activation state of their intracellular inflammatory signaling network reaches the reaction threshold.…”
Section: Clinical Implications Of Vaccine-induced C Activationmentioning
confidence: 99%
“…Table 1 lists the vaccine's reported AEs categorized according to the affected organ systems. Of note, myocarditis/pericarditis [8][9][10][11][12][13][14][15] , HSRs/anaphylaxis [16][17][18][19] , autoimmune diseases 20 , thrombosis, thrombocytopenia and other coagulation disorders [21][22][23][24] skin [25][26][27][28] and ocular inflammations [29][30][31] , Guillain-Barre syndrome [32][33][34][35][36][37][38] and other neurologic problems 39,40 can all be linked to acute or subacute inflammatory processes that are also characteristic of SARS-CoV-2 infections.…”
Section: Introductionmentioning
confidence: 99%