Post covid brain disorders
#brain_health #longcovid #symptoms
Study Background on Long COVID
- Publication and Authors: The study was published in "Nature Medicine," led by Dr. Ali from the Washington University School of Medicine in St. Louis.
- Objective: To investigate the long-term (one year post-infection) neurological complications (sequelae) in individuals who had contracted COVID-19.
- Sample Size and Control Group: The study analyzed data from 154,000 COVID-19 patients, compared with 5.6 million controls and data from 2017, before the pandemic.
Key Findings
Overall Risk
- Increased Likelihood of Neurological Complications: Individuals who had COVID-19 were 42% more likely to experience neurological complications compared to uninfected counterparts.
- Affected Population: 7% of COVID-19 patients experienced some form of neurological sequelae.
Specific Neurological Complications
- Cerebrovascular Disorders: Including Ischemic Stroke and hemorrhagic stroke, with hazard ratios indicating a 50-219% increased chance of experiencing these conditions post-COVID.
- Cognitive and Memory Disorders: Notable increase in memory problems and Alzheimer's disease, with individuals showing up to a 100% increased chance of developing these issues.
- Peripheral Nervous System Disorders: Including conditions like Bell's Palsy, with a 34% increased chance.
- Episodic Disorders: Encompassing conditions like migraine and seizures, with a 32% increased chance.
- Movement Disorders: Including Parkinson's-like symptoms, with a 42% increased chance.
- Mental Health Disorders: Including severe mental illnesses like psychosis, with a 43% increased chance.
- Sensory Disorders: Encompassing hearing and vision abnormalities, with a 25% increased chance.
Implications and Concerns
- Global Health Concern: Over 40 million new cases of neurological disorders potentially linked to COVID-19, indicating a substantial global health concern.
- Concern Across Demographics: The complications were noted to affect individuals irrespective of age, gender, race, and lifestyle habits.
- Severity of COVID-19 Symptoms: Neurological complications were observed in individuals regardless of the severity of their COVID-19 symptoms, including those who were not hospitalized.
Conclusion and Future Directions
- Call for Empathy: The presenter encourages viewers to offer understanding and support to individuals experiencing these complications.
- Hope for Future Treatments: The presenter expresses hope for the development of treatments targeting these neurological complications.
- Need for Further Research: The study underscores the necessity for ongoing research to understand and address the long-term impacts of COVID-19 on neurological health.