Sway patterns in a case of orthostatic tremor responsive to alcohol

Ann M. Bacsi, G. Michael Halmagyi, James G. Colebatch*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


We describe changes in the extent of sway in a man with orthostatic tremor (OT) who reported increased stability after alcohol. He was tested at baseline and again after 40 g (0.5 g/kg) of alcohol. These results were compared to those of 3 age-matched controls (no alcohol). The patient's baseline sway was greater than controls, larger in the lateral than the anteroposterior plane, but retained normal responsiveness to the use of external support, increasing stance width, and vision. Tremor frequency significantly decreased after alcohol, as did low- and high-frequency tremor amplitude and the extent of body sway. Despite these findings, sway remained greater than controls. OT thus may show functionally important alcohol responsiveness.

Original languageEnglish
Pages (from-to)1459-1463
Number of pages5
JournalMovement Disorders
Issue number12
Publication statusPublished - Dec 2004
Externally publishedYes


  • Alcohol
  • Orthostatic tremor
  • Sway


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