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Paroxysmal cerebellar ataxia.

G F Feeney¹, R S Boyle

¹Princess Alexandra Hospital, Woolloongabba, Qld, Australia.

Australian and New Zealand Journal of Medicine

|April 1, 1989

Summary

This study details periodic, paroxysmal cerebellar ataxia, a condition often inherited in an autosomal dominant pattern. Acetazolamide effectively treated ataxia symptoms and improved motor skills in affected individuals.

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Area of Science:

Neurology
Genetics

Background:

Periodic, paroxysmal cerebellar ataxia is a rare neurological disorder.
Autosomal dominant inheritance is suggested in a majority of cases.

Observation:

Clinical features of 13 patients with periodic, paroxysmal cerebellar ataxia were analyzed.
Family history indicated autosomal dominant inheritance in 10 cases, including the first reported Australian families.
Heterogeneity in onset, attack frequency, and symptoms was observed within families.

Findings:

Cranial CT scans were normal in 8 of 9 patients.
EEG abnormalities were present in 6 of 9 patients.
Acetazolamide abolished paroxysms in 9 of 10 treated patients and improved motor skills in two children.

Implications:

Acetazolamide is a promising treatment for periodic, paroxysmal cerebellar ataxia.
Understanding the genetic heterogeneity is crucial for diagnosis and management.
Further research into the genetic basis and long-term outcomes is warranted.

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