Key clinical point: Congenital myasthenic syndrome requires both repetitive stimulation and jitter analysis for accurate diagnosis.
Major finding: Use of jitter analysis without repetitive stimulation for diagnosing congenital myasthenic syndrome results in 86.5% accuracy.
Study details: The findings are based on comparison of jitter analysis and repetitive stimulation in 55 patients with myopathies or myasthenia and 14 controls.
Disclosures: The research used no external funding, and Dr. Marques Caldas had no disclosures.
Caldas VM et al. AANEM 2019. Unnumbered Abstract: Sensitivity of neurophysiologic tests regarding the neuromuscular junction in patients with congenital myasthenic syndromes.