{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T13:19:52Z","timestamp":1782998392630,"version":"3.54.5"},"reference-count":22,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2023,11,29]],"date-time":"2023-11-29T00:00:00Z","timestamp":1701216000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100008643","name":"Japan Brain Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100008643","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Ann Clin Transl Neurol"],"published-print":{"date-parts":[[2024,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>This study aimed to report the long\u2010term results of thalamotomy in 23 patients with task\u2010specific tremor.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Data of 23 patients with task\u2010specific tremor who underwent ventralis intermedius nucleus and posterior part of ventro\u2010oral nucleus thalamotomy at the Tokyo Women's Medical University Hospital between 2010 and 2022 were retrospectively analyzed. To evaluate neurological conditions, the severity of task\u2010specific tremor was divided into 0 (no tremor), 1 (slightly tremulous), 2 (moderately tremulous), 3 (accomplishing tasks with great difficulty), and 4 (unable to complete tasks). We also used the subscores \u201chandwriting\u201d (0\u20134) and \u201cspiral drawing\u201d (0\u20134) of the Clinical Rating Scales for Tremor. Evaluation scales were presented as medians and interquartile ranges.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The severities of task\u2010specific tremor were 3.0 (3.0\u20134.0) preoperatively and 0.0 (0.0\u20130.0, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.0001) at the last available evaluation. The writing and spiral drawing of the Clinical Rating Scales for Tremor significantly improved from 3.0 (3.0\u20134.0) and 3.0 (2.0\u20133.0) preoperatively, respectively, to 0.0 (0.0\u20130.0, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.0001) and 0.0 (0.0\u20130.0, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.0001) at the last available evaluation, respectively. The mean clinical follow\u2010up period was 62.7\u2009\u00b1\u200926.0\u2009months. Seven (30.4%) patients had focal hand dystonia, which newly developed on the ipsilateral side of the tremor at 2\u201345\u2009months after the surgery. No serious complications were observed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Interpretation<\/jats:title><jats:p>Thalamotomy significantly improves task\u2010specific tremor with high long\u2010term efficacy, and long\u2010term follow\u2010up is important because focal hand dystonia can develop postoperatively.<\/jats:p><\/jats:sec>","DOI":"10.1002\/acn3.51953","type":"journal-article","created":{"date-parts":[[2023,11,29]],"date-time":"2023-11-29T10:07:14Z","timestamp":1701252434000},"page":"321-327","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Long\u2010term follow\u2010up of task\u2010specific tremor after thalamotomy: a retrospective observational study"],"prefix":"10.1002","volume":"11","author":[{"given":"Masato","family":"Murakami","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Neurological Institute Tokyo Women's Medical University  Tokyo 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