Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Spectrum of Neurological Adverse Events Following COVID-19 Vaccination: An Observational Study From a Tertiary Care Centre of Eastern India

Version 1 : Received: 26 September 2023 / Approved: 26 September 2023 / Online: 26 September 2023 (11:10:33 CEST)

How to cite: CHAKRABORTY, U.; RAY, B.K.; PANDIT, A.; SADHUKHAN, S.; ROY, A.; BHAT, S.; BHATTACHARYYA, A.; SAHA, R.; SANTRA, A.; KABIRAJ, S.; DUTTA, A.; BHATTACHARYYA, D.; DAS, M.; DAS, S.; MUKHERJEE, D.; CHAKRABORTY, A.P.; SARKAR, P.; BHATTACHARYA, S.; AGRAWAL, R.; DAS, G.; GANGOPADHYAY, G.; BISWAS, S.; MUKHERJEE, A.; BISWAS, A.; ROY, U.S.; GHOSAL, J.; SARKAR, S.; DAS, G.; DAS, S.; CHAUDHURI, J.; DUBEY, S. Spectrum of Neurological Adverse Events Following COVID-19 Vaccination: An Observational Study From a Tertiary Care Centre of Eastern India. Preprints 2023, 2023091789. https://doi.org/10.20944/preprints202309.1789.v1 CHAKRABORTY, U.; RAY, B.K.; PANDIT, A.; SADHUKHAN, S.; ROY, A.; BHAT, S.; BHATTACHARYYA, A.; SAHA, R.; SANTRA, A.; KABIRAJ, S.; DUTTA, A.; BHATTACHARYYA, D.; DAS, M.; DAS, S.; MUKHERJEE, D.; CHAKRABORTY, A.P.; SARKAR, P.; BHATTACHARYA, S.; AGRAWAL, R.; DAS, G.; GANGOPADHYAY, G.; BISWAS, S.; MUKHERJEE, A.; BISWAS, A.; ROY, U.S.; GHOSAL, J.; SARKAR, S.; DAS, G.; DAS, S.; CHAUDHURI, J.; DUBEY, S. Spectrum of Neurological Adverse Events Following COVID-19 Vaccination: An Observational Study From a Tertiary Care Centre of Eastern India. Preprints 2023, 2023091789. https://doi.org/10.20944/preprints202309.1789.v1

Abstract

Background: As the world tends to recover from the crisis created by the COVID-19 pandemic, vaccines have served as one of the most valuable tools of combat and large-scale immunization has helped to tide over the catastrophe. However, several reports of post -vaccination neurological complications around the globe have surfaced up in recent literature. This study was conducted with an aim to describe the spectrum of neurological ailments requiring hospitalization following COVID-19 vaccination.Methods: An ambispective observational study was carried out from March 2021 to February 2022 at a tertiary care institute with 25 patients who satisfied the inclusion criteria of a new onset neurological illness requiring hospitalization within 4 days to 42 days of vaccination. The patients were duly followed upto months after discharge.Results: The median age of the sample was 36 years and the median latency of onset of neurological events was 14 days. Guillain-Barré syndrome was documented in 11 patients; majority were acute motor axonal neuropathy (45.45%) followed by acute inflammatory demyelinating polyradiculoneuropathy (36.36%) and acute motor sensory axonal neuropathy (18.18%). Central nervous system demyelination was reported in 9 patients; two patients had acute disseminated encephalomyelitis, 2 patients were diagnosed with myelin oligodendrocyte glycoprotein antibody-associated disease, one patient with aquaporin-4 positive neuromyelitis optica spectrum disorder , and the rest were labelled as seronegative central nervous system demyelination. Vascular events were noted in 5 patients comprising of 2 cases each of cerebral venous sinus thrombosis and intracerebral hemorrhage and a case of Moyamoya angiopathy. All patients were conservatively managed and had a complete to partial recovery suggestive of a favorable outcome after 3 months. Conclusion: The pathomechanisms of post -vaccination neurological complications is yet to be elucidatedand any causal association attributable to vaccination warrants further research. Compared to the enormity of the vaccinated population, the adverse effects are miniscule to hinder and discourage vaccination.

Keywords

post -vaccination neurological complications; Guillain-Barré syndrome; central nervous system demyelination; vascular events

Subject

Public Health and Healthcare, Public Health and Health Services

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