Seizure · 2015
Lateralizing value of unilateral relative ictal immobility in patients with refractory focal seizures--Looking beyond unilateral automatisms.
СтатьяНазвание и аннотация: Перевод в очереди
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Agarwal Priya, Kaul Bhavna, Shukla Garima, Srivastava Achal, Singh Mamta Bhushan, Goyal Vinay, Behari Madhuri, Suri Ashish, Gupta Aditya, Garg Ajay, Gaikwad Shailesh, Bal C S
Аннотация
PURPOSE: Ictal motor phenomena play a crucial role in the localization of seizure focus in the management of refractory focal epilepsy. While the importance of unilateral automatisms is well established, little attention is paid to the contralateral relatively immobile limb. In cases where automatisms mimic clonic or dystonic movements and in the absence of previously well-established signs, unilateral relative ictal immobility (RII) is potentially useful as a lateralizing sign. This study was carried out to examine the lateralizing value of this sign and to define its characteristics among patients of refractory focal epilepsy.
METHODS: VEEGs of 69 consecutive patients of refractory focal epilepsy who had undergone epilepsy surgery at our center over last four years were reviewed and analyzed for the presence of RII. Unilateral RII was defined as a paucity of movement in one limb lasting for at least 10s while the contralateral limb showed purposive or semi-purposive movements (in the absence of tonic or dystonic posturing or clonic movements in the involved limb). The findings were seen in the light of VEEG, radiological and nuclear imaging data, and with post-surgical outcome.
RESULTS: Unilateral RII as a lateralizing sign was found in 24 of 69 patients (34.78%), consisting of both temporal and extra temporal epilepsy, with 100% concordance with VEEG and MRI data. All patients demonstrating this sign had a good post-surgical outcome.
CONCLUSION: RII, when well characterized is a frequent and reliable lateralizing sign in patients of refractory focal epilepsy.
METHODS: VEEGs of 69 consecutive patients of refractory focal epilepsy who had undergone epilepsy surgery at our center over last four years were reviewed and analyzed for the presence of RII. Unilateral RII was defined as a paucity of movement in one limb lasting for at least 10s while the contralateral limb showed purposive or semi-purposive movements (in the absence of tonic or dystonic posturing or clonic movements in the involved limb). The findings were seen in the light of VEEG, radiological and nuclear imaging data, and with post-surgical outcome.
RESULTS: Unilateral RII as a lateralizing sign was found in 24 of 69 patients (34.78%), consisting of both temporal and extra temporal epilepsy, with 100% concordance with VEEG and MRI data. All patients demonstrating this sign had a good post-surgical outcome.
CONCLUSION: RII, when well characterized is a frequent and reliable lateralizing sign in patients of refractory focal epilepsy.