Child Neurology: Early-Onset, Rapidly Progressive, and Refractory DYT-TOR1A Status Dystonicus

Hadley W Ressler1, Matthew Somerville1, Aubrey Hite2

  • 1Pediatric Neurology, Wake Forest School of Medicine, Winston-Salem, NC.

Neurology
|August 4, 2026
PubMed

Insights

DYT-TOR1A dystonia in a toddler rapidly worsened, becoming refractory to medications. Deep brain stimulation targeting the globus pallidus provided relief for this rare genetic condition.

Area of Science:

  • Neurology
  • Genetics
  • Pediatric Movement Disorders

Background:

  • Primary pediatric dystonia affects 16.4/100,000 children globally.
  • DYT-TOR1A dystonia is a genetic form caused by TOR1A gene variants.
  • Status dystonicus presents as severe, refractory dystonia, particularly challenging in young children.

Purpose of the Study:

  • To report a case of a toddler with early-onset, rapidly progressive DYT-TOR1A dystonia.
  • To describe the management of refractory status dystonicus using deep brain stimulation (DBS).
  • To highlight unique planning considerations for DBS in a very young patient.

Main Methods:

  • Genetic testing confirmed a maternally inherited TOR1A pathogenic variant (c.907_909del).
  • The patient received optimized medical management including continuous infusions, which proved ineffective.
  • Bilateral deep brain stimulation targeting the globus pallidus interni (GPi) was performed.

Main Results:

  • Deep brain stimulation (DBS) of the bilateral globus pallidus interni (GPi) provided symptomatic relief of status dystonicus.
  • The patient's condition was refractory to multiple optimized medications and infusions.
  • Genetic analysis identified a maternally inherited pathogenic variant in the TOR1A gene.

Conclusions:

  • Deep brain stimulation (DBS) can be an effective treatment for refractory status dystonicus in pediatric DYT-TOR1A dystonia.
  • Management of young patients with severe dystonia requires careful planning and consideration of atypical presentations.
  • This case underscores the complexities of symptom management and treatment expectations in pediatric DYT-TOR1A dystonia.

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