Volume : 09, Issue : 06, June – 2022
Title:
43.A REVIEW ON EFFECT OF COVID 19 ON NERVOUS SYSTEM
Authors :
Dr. V. Sireesha*, M. Pratibha , M. Sunil Kumar , Aila Anusha , CH Kanna Reddy
Abstract :
COVID-19, in most patients, presents with mild flu-like illness. Elderly patients with comorbidities, like hypertension, diabetes, or lung and cardiac disease, are more likely to have severe disease and deaths. Neurological complications have emerged as a significant cause of morbidity and mortality in the ongoing COVID-19 pandemic. Beside respiratory insufficiency, many hospitalized patients exhibit neurological manifestations ranging from headache and loss of smell, to confusion and disabling strokes. COVID-19 is also anticipated to take a toll on the nervous system in the long term. Neurological complications are frequently reported in critically ill patients with comorbidities. In COVID-19, both central and peripheral nervous systems can be affected. The SARS-CoV-2 virus causes the disease COVID-19 and has the potential to invade the brain. The SARS-CoV-2 virus enters the brain either via a haematogenous route or olfactory system. The most severe neurological manifestations, altered sensorium (agitation, delirium, and coma), are because of hypoxic and metabolic abnormalities. Characteristic cytokine storm incites severe metabolic changes and multiple organ failure. Profound coagulopathies may manifest with ischemic or haemorrhagic stroke. Rarely, SARS-CoV-2 virus encephalitis like acute disseminated encephalomyelitis or acute necrotizing encephalopathy have been reported. Complete or partial anosmia and ageusia are common peripheral nervous system manifestations. Recently, many cases of Guillain-Barré syndrome in COVID-19 patients have been observed, and a postinfectious immune-mediated inflammatory process was held responsible for this. Myalgia/fatigue is also common, and elevated creatine kinase levels indicate muscle injury. Here, we will provide a critical appraisal of the potential for neurotropism and mechanisms of neuropathogenesis of SARS-CoV-2 as they relate to the acute and chronic neurological consequences of the infection. Finally, we will examine potential avenues for future research and therapeutic development. Due to its worldwide distribution and multifactorial pathogenic mechanisms, COVID-19 poses a global threat to the entire nervous system. Although our understanding of SARS-CoV-2 neuropathogenesis is still incomplete and our knowledge is evolving rapidly, we hope that this review will provide a useful framework and help neurologists in understanding the many neurologic facets of COVID-19.
Keywords: Coronavirus; Guillain-Barre syndrome; encephalitis; encephalopathy; myalgia
Cite This Article:
Please cite this article in press V. Sireehsa et al, Review On Effect Of Covid 19 On Nervous System., Indo Am. J. P. Sci, 2022; 09(6).,
Number of Downloads : 10
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