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Neurological Complications of COVID-19: Underlying Mechanisms and Management
Ghaydaa A Shehata1, Kevin C Lord2, Michaela C Grudzinski3
1Department of Neurology and Psychiatry, Assiut University Hospitals, Assiut 71511, Egypt.
Insights
COVID-19, caused by SARS-CoV-2, can lead to serious neurological complications. This review details the prevalence, pathogenesis, and management challenges of these neurological sequelae in COVID-19 patients.
Area of Science:
- Neurology
- Infectious Diseases
- Virology
Background:
- COVID-19, a pandemic disease caused by SARS-CoV-2, primarily impacts the respiratory system.
- Emerging evidence highlights significant neurological complications in patients with COVID-19.
- These complications pose challenges for healthcare providers and require updated knowledge.
Purpose of the Study:
- To review the prevalence and pathogenesis of neurological sequelae associated with SARS-CoV-2 infection.
- To elucidate the mechanisms underlying COVID-19-related neurological disorders.
- To provide an update for neurologists and healthcare workers on managing these neurological conditions.
Main Methods:
- Literature review of studies reporting neurological complications in COVID-19 patients.
- Analysis of reported neurological manifestations, including headache, dizziness, anosmia, encephalitis, and cerebrovascular events.
- Examination of less common but severe complications such as seizures, neuromuscular disorders, and Guillain-Barré syndrome.
Main Results:
- A wide spectrum of neurological complications is associated with COVID-19, ranging from common symptoms to severe conditions.
- Pathogenesis involves direct viral invasion, inflammatory responses, and indirect effects on the nervous system.
- Management strategies for these neurological sequelae are still evolving and present significant challenges.
Conclusions:
- SARS-CoV-2 infection can result in diverse and complex neurological complications.
- Understanding the mechanisms is crucial for developing effective therapeutic interventions.
- Continuous updates and research are necessary for optimal patient care and management of neurological sequelae in COVID-19.
Abstract:
COVID-19 is a severe respiratory disease caused by the newly identified human coronavirus (HCoV) Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2). The virus was discovered in December 2019, and in March 2020, the disease was declared a global pandemic by the World Health Organization (WHO) due to a high number of cases. Although SARS-CoV-2 primarily affects the respiratory system, several studies have reported neurological complications in COVID-19 patients. Headache, dizziness, loss of taste and smell, encephalitis, encephalopathy, and cerebrovascular diseases are the most common neurological complications that are associated with COVID-19. In addition, seizures, neuromuscular junctions' disorders, and Guillain-Barré syndrome were reported as complications of COVID-19, as well as neurodegenerative and demyelinating disorders. However, the management of these conditions remains a challenge. In this review, we discuss the prevalence, pathogenesis, and mechanisms of these neurological sequelae that are secondary to SARS-CoV-2 infection. We aim to update neurologists and healthcare workers on the possible neurological complications associated with COVID-19 and the management of these disease conditions.
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