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Related Experiment Videos

Central hypoventilation in progressive supranuclear palsy.

Kory S Herrick1, Randy Woltjer1, Thao Pham1

  • 1Oregon Health and Sciences University, Department of Neurology, Portland, OR.

Movement Disorders Clinical Practice
|April 4, 2017
PubMed
Summary

Central hypoventilation, a rare breathing disorder, can be linked to tauopathy in the brainstem's respiratory control centers. This finding suggests a potential new cause for this condition in progressive supranuclear palsy patients.

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Area of Science:

  • Neurology
  • Respiratory Medicine
  • Pathology

Background:

  • Central hypoventilation impairs autonomic respiratory drive, affecting responses to low oxygen and high carbon dioxide.
  • Progressive Supranuclear Palsy (PSP) is a neurodegenerative disease with varied presentations.
  • Adult-onset central hypoventilation is often associated with medullary lesions.

Observation:

  • A 75-year-old woman with probable PSP developed central hypoventilation without medullary lesions.
  • Autopsy revealed tauopathy in the ventral respiratory group (VRG) of the brainstem, crucial for respiratory rhythm.
  • Similar VRG tauopathy was found in 16 of 17 other PSP cases.

Findings:

  • PSP-associated tauopathy significantly affects the VRG, a key respiratory control center.
Keywords:
Progressive Supranuclear Palsyprimary hypoventilationtauopathy

Related Experiment Videos

  • This tauopathy may underlie central hypoventilation in PSP patients lacking other common causes.
  • One PSP case with VRG tauopathy experienced unexplained hypoxia episodes.

    • Implications:

    • Central hypoventilation may be an under-recognized complication of PSP due to VRG tauopathy.
    • Understanding this link can improve diagnosis and management of respiratory dysfunction in PSP.
    • Further research is needed to confirm the prevalence and clinical significance of VRG tauopathy in PSP.