Background: Neurological symptoms during the acute infection include headache, disorientation, critical disease myopathy, stroke, abnormal cerebral perfusion, and leptomeningeal augmentation, as well as Guillain-Barre syndrome.
Objective: The aim of the current study was to look at the electrical activity of peripheral nerve and muscle in patients who had COVID-19-related continuing neuromuscular symptoms.
Patients and methods: This study was conducted in the period from Jan 2022 to June 2022. A total of 50 patients participated in the study. All patients were monitored at the Neurology Department of Alazhar University Hospital, New Damitta. In addition, 50 healthy controls matched for age and sex were recruited. All patients and healthy controls completed a thorough clinical assessment and neurological examination, which included force measurement, deep tendon reflex testing, and sensory evaluation, on the day of the neurophysiological assessment. The three average neuropathy ratings for each patient were also recorded; The Utah Early Neuropathy Score (UENS), the Michigan Neuropathy Screening Instrument (MNSI), and the Neuropathy Impairment Score (NIS).
Results: No statistical significant difference was found between the 2 studied groups regarding sex, age or BMI.The results of the studied groups' quantitative electromyography (qEMG), nerve conduction studies (NCS), Peroneal MCV (m/sec), Tibial MCV (m/sec), and Tibial minimum F-wave delay revealed extremely substantial difference between case and control groups. Sural SCV (m/sec), or Sural SNAP amplitude (mV), with the exception of Ulnar MCV (m/sec), Ulnar Palpitations, physical weariness, and myalgia all were significantly higher in the case group.
Conclusion: A typical finding in long-term COVID-19 is myopathic qEMG. We suggest that myopathy may play a significant role in these individuals' physical exhaustion.