Automated real-time detection of tonic-clonic seizures using a wearable EMG device

Neurology
Sándor BeniczkyPeter Wolf

Abstract

To determine the accuracy of automated detection of generalized tonic-clonic seizures (GTCS) using a wearable surface EMG device. We prospectively tested the technical performance and diagnostic accuracy of real-time seizure detection using a wearable surface EMG device. The seizure detection algorithm and the cutoff values were prespecified. A total of 71 patients, referred to long-term video-EEG monitoring, on suspicion of GTCS, were recruited in 3 centers. Seizure detection was real-time and fully automated. The reference standard was the evaluation of video-EEG recordings by trained experts, who were blinded to data from the device. Reading the seizure logs from the device was done blinded to all other data. The mean recording time per patient was 53.18 hours. Total recording time was 3735.5 hours, and device deficiency time was 193 hours (4.9% of the total time the device was turned on). No adverse events occurred. The sensitivity of the wearable device was 93.8% (30 out of 32 GTCS were detected). Median seizure detection latency was 9 seconds (range -4 to 48 seconds). False alarm rate was 0.67/d. The performance of the wearable EMG device fulfilled the requirements of patients: it detected GTCS with a sensitivity exceedin...Continue Reading

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Jun 7, 2018·Epilepsia·Sándor Beniczky, Philippe Ryvlin
Jun 7, 2018·Epilepsia·Sándor BeniczkyPeter Wolf
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