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Source: COVID-19 News  Oct 28, 2020  3 years, 5 months, 3 weeks, 8 hours, 49 minutes ago

COVID-19 News: Review Of EEG Screenings Of COVID-19 Patients Reveals Varying Degrees Of Brain Damage!

COVID-19 News: Review Of EEG Screenings Of COVID-19 Patients Reveals Varying Degrees Of Brain Damage!
Source: COVID-19 News  Oct 28, 2020  3 years, 5 months, 3 weeks, 8 hours, 49 minutes ago
COVID-19 News: Medical researchers from Baylor College of Medicine and the University of Pittsburgh have gathered more than 80 studies, reviewed the data, and identified commonalities that are helping to paint a broader picture of how COVID-19 affects the brain.


 
The study findings, focused on electroencephalogram (EEG) abnormalities of the brain. EEG is a test used to evaluate the electrical activity in the brain. The study team found that about one-third of patients who were given an EEG had abnormal neuroimaging localized in the frontal lobe of the brain.
 
The study findings were published in the journal: Seizure, a European Journal of Epilepsy.  https://www.seizure-journal.com/article/S1059-1311(20)30332-0/fulltext
 
From the start of the COVID-19 pandemic, healthcare workers have seen more than just the lungs affected by COVID-19. Physicians have reported neurological complications including stroke, headache and seizures, but the information is limited to a number of individual reports that are not reflective of a larger population.
 
Dr Zulfi Haneef, assistant professor of neurology/neurophysiology at Baylor told Thailand Medical News, "We found more than 600 patients that were affected in this way. Before, when we saw this in small groups we weren't sure if this was just a coincidence, but now we can confidently say there is a connection.”
 
Normally the main reason a patient would be given an EEG is if altered mentation is noted, meaning a patient might have a slowed reaction to stimuli, followed by seizure-like events, speech issues, confusion or inability to wake up after sedation.
 
In the study, the most common findings from the EEG were slowing or abnormal electrical discharge, mostly in the frontal lobe.
 
Significantly, some of the EEG alterations found in COVID-19 patients may indicate damage to the brain that might not be able to be repaired after recovering from the disease.
 
Dr Haneef said, "As we know, the brain is an organ that cannot regenerate, so if you have any damage it will more than likely be permanent or you will not fully recover."
 
The study details were as follows: The median age was 61.3 years (IQR 45−69, 33.3 % female). Common EEG indications were altered mental status (61.7 %), seizure-like events (31.2 %), and cardiac arrest (3.5 %). Abnormal EEG findings (n = 543, 88.0 %) were sub-classified into three groups: (1) Background abnormalities: diffuse slowing (n = 423, 68.6 %), focal slowing (n = 105, 17.0 %), and absent posterior dominant rhythm (n = 63, 10.2 %). (2) Periodic and rhythmic EEG patterns: generalized periodic discharges (n = 35, 5.7 %), lateralized/multifocal periodic discharges (n = 24, 3.9 %), generalized rhythmic activity (n = 32, 5.2 %). (3) Epileptiform changes: focal (n = 35, 5.7 %), generalized (n = 27, 4.4 %), seizures/status epilepticus (n = 34, 5.5 %). Frontal EEG patterns comprised of approximately a third of all findings. In studies that utilized continuous EEG, 96.8 % (n = 243) of the 251 patients were reported to have abnormalities compared to 85.0 % (n = 311) patients who did not undergo continuous EEG mo