Unilateral Pallidal Deep Brain Stimulation in a Patient with Dystonia Secondary to Episodic Ataxia Type 2
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Bibliographic record
Abstract
BACKGROUND/AIMS: This paper describes the use of deep brain stimulation (DBS) of the globus pallidus internus (GPi) in the treatment of secondary dystonia caused by expisodic ataxia type 2 (EA2). METHODS: We present the case of a patient with EA2, an autosomal dominant condition, who developed late-onset cervical and right upper limb segmental dystonia. The patient underwent left GPi DBS. RESULTS: Within 4 months of commencing stimulation of the left GPi, the patient had resolution of his neck pain and was able to keep the head straighter for longer time intervals. There was also improvement in right arm segmental dystonia. There was an improvement in the Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS 21.5) of 55% at 4 months and of 51% at 22 months. CONCLUSION: The treatment of secondary dystonia is difficult and the results with GPi DBS are less favourable compared with primary dystonia. This case illustrates the successful treatment of secondary dystonia caused by EA2.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it