Do A-waves correlate with clinical symptoms of Guillain-Barre-Syndrom?

Introduction: The 42-year-old male patient suffered within a week from acute Polyradiculitis with proximal atonic tetraparesis, absence of reflexes and mild distal symmetric sensible deficits. After complete remission (7S-Immunoglobulin-therapy) the symptoms of Guillain-Barre-Syndrom relapsed three times after 4, 24 and 30 months. Clinical Diagnostics: Examination of cerebro-spinal fluid showed albuminocytologic dissociation (cells 5/3 per µl, protein 58mg/dl, albumin 510mg/l). The initial electrophysical examinations of N. tibialis found prolongations of distal-motoric latency (right 6,7ms; left 6,1ms), absence…