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Clinical Trial
. 2004 Oct;10(7):407-10.
doi: 10.1016/j.parkreldis.2004.04.011.

Smell testing is abnormal in 'lubag' or X-linked dystonia-parkinsonism: a pilot study

Virgilio Gerald H Evidente  1 , Raymund P Esteban, Jose Luis Hernandez, Filipinas F Natividad, Joel Advincula, Katrina Gwinn-Hardy, John Hardy, Amanda Singleton, Andrew Singleton
Affiliations
Clinical Trial

Smell testing is abnormal in 'lubag' or X-linked dystonia-parkinsonism: a pilot study

Virgilio Gerald H Evidente et al. Parkinsonism Relat Disord. 2004 Oct.

Abstract

We administered a culturally corrected University of Pennsylvania Smell Identification Test (ccUPSIT) consisting of 25 odor items to 20 patients with 'Lubag' or X-linked dystonia-parkinsonism and 20 control subjects matched by sex, age, educational background, smoking history, and geographical origin. The mean ccUPSIT score of Lubag patients (18 +/- 3.19) was statistically lower (P = 0.003) than controls (20.5 +/- 3.02). The smell scores did not correlate with phenotype, severity of dystonia, or duration of disease. Nine of 20 Lubag patients (45%) had ccUPSIT scores below the mean, with the lowest score being 11. This pilot study suggests that olfactory dysfunction may occur in Lubag patients.

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