Early Electrodiagnostic Features of Upper Extremity Sensory Nerves Can Differentiate Axonal Guillain-Barre Syndrome from Acute Inflammatory Demyelinating Polyneuropathy
- Authors
- Koo, Yong Seo; Shin, Ha Young; Kim, Jong Kuk; Nam, Tai-Seung; Shin, Kyong Jin; Bae, Jong-Seok; Suh, Bum Chun; Oh, Jeeyoung; Yoon, Byeol-A; Kim, Byung-Jo
- Issue Date
- 10월-2016
- Publisher
- KOREAN NEUROLOGICAL ASSOC
- Keywords
- Guillain-Barre syndrome; acute inflammatory demyelinating polyneuropathy; early diagnosis; electrodiagnosis; neural conduction
- Citation
- JOURNAL OF CLINICAL NEUROLOGY, v.12, no.4, pp.495 - 501
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF CLINICAL NEUROLOGY
- Volume
- 12
- Number
- 4
- Start Page
- 495
- End Page
- 501
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/87278
- DOI
- 10.3988/jcn.2016.12.4.495
- ISSN
- 1738-6586
- Abstract
- Background and Purpose Serial nerve conduction studies (NCSs) are recommended for differentiating axonal and demyelinating Guillain-Barre syndrome (GBS), but this approach is not suitable for early diagnoses. This study was designed to identify possible NCS parameters for differentiating GBS subtypes. Methods We retrospectively reviewed the medical records of 70 patients with GBS who underwent NCS within 10 days of symptom onset. Patients with axonal GBS and acute inflammatory demyelinating polyneuropathy (AIDP) were selected based on clinical characteristics and serial NCSs. An antiganglioside antibody study was used to increase the diagnostic certainty. Results The amplitudes of median and ulnar nerve sensory nerve action potentials (SNAPs) were significantly smaller in the AIDP group than in the axonal-GBS group. Classification and regression-tree analysis revealed that the distal ulnar sensory nerve SNAP amplitude was the best predictor of axonal GBS. Conclusions Early upper extremity sensory NCS findings are helpful in differentiating axonal-GBS patients with antiganglioside antibodies from AIDP patients.
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