GREY, Viktória, Patrícia KLOBUŠIAKOVÁ and Eduard MINKS. Can repetitive transcranial magnetic stimulation of the visual cortex ameliorate the state of patients with visual snow? Bratislava Medical Journal - Bratislavské lekárske listy. BRATISLAVA: Univerzita Komenského, 2020, vol. 121, No 6, p. 395-399. ISSN 0006-9248. Available from: https://dx.doi.org/10.4149/BLL_2020_064.
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Basic information
Original name Can repetitive transcranial magnetic stimulation of the visual cortex ameliorate the state of patients with visual snow?
Authors GREY, Viktória (703 Slovakia, guarantor, belonging to the institution), Patrícia KLOBUŠIAKOVÁ (703 Slovakia, belonging to the institution) and Eduard MINKS (203 Czech Republic, belonging to the institution).
Edition Bratislava Medical Journal - Bratislavské lekárske listy, BRATISLAVA, Univerzita Komenského, 2020, 0006-9248.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 30218 General and internal medicine
Country of publisher Slovakia
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 1.278
RIV identification code RIV/00216224:14110/20:00115992
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.4149/BLL_2020_064
UT WoS 000537942200003
Keywords in English visual snow; persistent aura without infarction; rTMS; occipital cortex
Tags 14110127, rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Tereza Miškechová, učo 341652. Changed: 15/7/2020 12:12.
Abstract
AIMS: Visual snow is a neurological condition, for which an effective treatment has not been established. The aim of this study was to find whether Repetitive Transcranial Magnetic Stimulation (rTMS) can improve the state of patients suffering from visual snow. To our knowledge, no other group has tested this method in the treatment of visual snow. METHODS: We applied rTMS of 10 and 10+1 Hz on the visual cortices of 9 patients with visual snow. Sham stimulation with the vertex as the target site was also tested. As a method of assessment, we used visual evoked potentials, questionnaires and visual snow diaries. For data evaluation, we used the Paired Sample T-test separately for each stimulation type. RESULTS: The Paired Sample T-test revealed a decreased sum of visual snow intensities extracted from visual snow diaries in the week after 10+1 Hz stimulation as compared to the figure in the week before (p= 0.02). CONCLUSION: We detected a trend indicating an improvement of patients' condition based on the data from visual snow diaries. Research on a larger group of patients is required to confirm these findings; however, our study provides a framework to build upon (Tab. 4, Fig. 1, Ref. 22). Text in PDF www.elis.sk.
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