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Evaluation of patients with epileptiform activities in the posterior temporal-parietal-occipital regions

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A Correction to this article was published on 18 March 2021

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Abstract

Objective

The aim of this study was to determine the type, etiology and the rates of epilepsy and to identify accompanying cognitive and behavioral problems in patients with epileptiform abnormalities in the posterior cerebral localization.

Methods

In this study, 3500 patients with at least one EEG record at the EEG Laboratory of Clinical Child Neurology Department of Cerrahpaşa Medical Faculty of Istanbul University were evaluated in 2014-2015. Three hundred forty-six patients were included in the study.

Results

Of the 346 patients included in the study, 42.4% were female and 57.5% were male. The age range of the cases was 1-21 (mean: 8.7) years. Epileptiform activities were observed in post TPO region isolatedly in 58,95% (n = 204), post-TPO epileptiform focus with focal epileptiform focus in different localizations in 31.21% (n = 108), generalized epileptiform activity with more than one epileptiform focus in 9.8% (n= 34). In the period of EEG examinations 250 (72.25%) patients had a history of epileptic seizures and / or epilepsy, while 96 (27.74%) had non-epileptic clinical conditions such as behavioral disorder and autism.

Conclusion

In the EEG recordings we examined, sharp and spike wave activities were frequently observed in the post TPO region isolatedly. We believe that this study, which investigated the relationship between focal epilptiform activity in post TPO region and different clinical conditions, will serve as an example for other studies.

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Acknowledgements

We would like to thank Betül Can for making EEG records

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Authors and Affiliations

  1. Department of Neurology, University of Health Sciences, Umraniye Training and Research Hospital, Istanbul, Turkey

    Reyhan Surmeli

  2. School of Medicine, Neurology Department, Cerrahpasa University, Istanbul, Turkey

    Seher Naz Yeni & Ahmet Veysi Demirbilek

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  1. Reyhan Surmeli
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  2. Seher Naz Yeni
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  3. Ahmet Veysi Demirbilek
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Correspondence to Reyhan Surmeli.

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The authors declare that they have no conflict of interest.

Ethical approval

The study was approved by the Ethics Committee of the University of Health Sciences, Umraniye Training and Research Hospital (Approval date: 21.07.2016, Approval number: 11060).

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The original online version of this article was revised: The original article contains an error. In the material and methods section, the Ethics committee and Institution information appears as XXX. The corrected sentence must read: "Approval was obtained from the Ethics Committee of Istanbul University, Cerrahpasa Medical Faculty with the decision dated 05.01.2017 and numbered 2017-6241."

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Surmeli, R., Yeni, S.N. & Demirbilek, A.V. Evaluation of patients with epileptiform activities in the posterior temporal-parietal-occipital regions. Neurol Sci 42, 4607–4613 (2021). https://doi.org/10.1007/s10072-021-05154-w

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