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Transcranial Magnetic Resonance-Guided Focused Ultrasound in X-Linked Dystonia-Parkinsonism

Overview
Journal Life (Basel)
Specialty Biology
Date 2021 Apr 30
PMID 33925939
Citations 7
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Abstract

X-linked dystonia-parkinsonism (XDP) is a neurodegenerative condition found among males with maternal ancestry from Panay Island, Philippines. The treatment options are limited. We report on our experience of three XDP patients who underwent transcranial magnetic resonance-guided focused ultrasound (tcMRgFUS) pallidothalamic tractotomy. The three patients were all genetically confirmed XDP, with a mean XDP-Movement Disorder Society of the Philippines (MDSP) Scale score of 68.7/200. All patients were on stable doses of their oral medications and their last botulinum toxin injection was 12 months prior to study. Two patients complained of moderate to severe arm pain 2-7 months after the procedure. There was an overall improvement in the XDP-MDSP Scale score of 36.2% (18.7 vs. 15) at 6 months and 30.1% (68.7 vs. 45.5) at 1 year. Notably, there was worsening of the nonmotor subscale (part IIIB, nonbehavioral aspect) by 350% at 1 year. While these numbers are encouraging, there is a need to do a larger study on the safety and efficacy of tcMRgFUS on XDP.

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Transcranial magnetic resonance-guided focused ultrasound pallidothalamic tractotomy for patients with X-linked dystonia-parkinsonism: a study protocol.

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