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Journals / Journal of Health Sciences and Medicine / 2026 / Volume: 5 Issue: 2

Comparison of electrodiagnostic findings in patients with post-COVID-19 and non-COVID-19 Guillain-Barre syndrome

Recep Yevgi(ATATÜRK ÜNİVERSİTESİ, TIP FAKÜLTESİ)0000-0002-6586-2635
Nuray Bilge(Ataturk University, Faculty of Medicine)0000-0002-9328-1678
Pages
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Publication Date
2022-03-15
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⚡ TL;DR(Too Long; Didn't Read)

This result may indicate that the degree of axonal involvement and related nerve dysfunction in post-COVID-19 GBS patients in the acute period is higher than in non-COVID-19 GBS patients.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: The aim of this study is to compare the electrophysiological features of patients with Guillain-Barré syndrome (GBS) after Coronavirus disease–2019 (COVID-19) and the electrophysiological features of patients with non-COVID-19 GBS and to determine whether there is a difference between these two groups in terms of nerve dysfunction.
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Key Findings & Data:Material and Method: The electromyography results of the patients followed up with the diagnosis of GBS between December 2019 and December 2021 in the Neurology Department of Atatürk University Faculty of Medicine were retrospectively analyzed.
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Conclusion & Impact:This result may indicate that the degree of axonal involvement and related nerve dysfunction in post-COVID-19 GBS patients in the acute period is higher than in non-COVID-19 GBS patients.
🔬Design:Research Article
📍Scope:2019 Verileri
⚙️Variables:Guillain Barre Syndrome · COVİD-19 · EMG

Abstract

Aim: The aim of this study is to compare the electrophysiological features of patients with Guillain-Barré syndrome (GBS) after Coronavirus disease–2019 (COVID-19) and the electrophysiological features of patients with non-COVID-19 GBS and to determine whether there is a difference between these two groups in terms of nerve dysfunction. Material and Method: The electromyography results of the patients followed up with the diagnosis of GBS between December 2019 and December 2021 in the Neurology Department of Atatürk University Faculty of Medicine were retrospectively analyzed. Patients with a history of COVID-19 in the 6-week period before the occurrence of GBS were considered as the post-COVID-19 GBS group. Patients who did not have a history of COVID-19 but developed GBS were considered the non-COVID-19 GBS group. Electrodiagnostic findings of the patients were compared between two groups. Results: Motor compound muscle action potential (CMAP) amplitude of the median nerve was detected as 1.94±1.43 mV in post-COVID-19 GBS group and 5.94±4.6 mV in non-COVID-19 GBS group (p<0.05). On the other hand, motor CMAP amplitude of ulnar nerve was 2.82±1.61 mV in post-COVID-19 GBS group and 6.28±4.2 mV in non-COVID-19 GBS group (p<0.05). Motor CMAP amplitude of the tibial nerve was detected as 1.3±1.06 mV in post-COVID-19 GBS group and 3.5±3.6 mV in non- COVID-19 GBS group (p<0.05). No significant difference was observed between the two groups in terms of other parameters. Conclusion: Motor CMAP amplitudes of median, ulnar and tibial nerves were significantly low in post-COVID-19 GBS group when compared with non-COVID-19 GBS group. This result may indicate that the degree of axonal involvement and related nerve dysfunction in post-COVID-19 GBS patients in the acute period is higher than in non-COVID-19 GBS patients.

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Cite This Article

Yevgi, R., Bilge, N. (2022). Comparison of electrodiagnostic findings in patients with post-COVID-19 and non-COVID-19 Guillain-Barre syndrome. Journal of Health Sciences and Medicine, Volume: 5 Issue: 2. https://doi.org/10.32322/jhsm.1054313

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