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Predictive value of the smell identification test for nigrostriatal dopaminergic depletion in Korean tremor patients

Title
Predictive value of the smell identification test for nigrostriatal dopaminergic depletion in Korean tremor patients
Authors
Jin Yong Hong;Seok Jong Chung;Young H. Sohn;Phil Hyu Lee;Mun Kyung Sunwoo;Ji E. Lee
Issue Date
2013
Journal Title
Parkinsonism & Related Disorders
ISSN
1353-8020
Citation
Parkinsonism & Related Disorders, Vol.19(11) : 1018~1021, 2013
Abstract
BACKGROUND: The predictive value of Cross-Cultural Smell Identification Test for nigrostriatal dopaminergic depletion in Korean tremor patients has yet to be assessed. METHODS: Three hundred nineteen drug-naive patients who visited our clinic for the diagnosis of their tremor, and took both Cross-Cultural Smell Identification Test and dopamine transporter PET were included in the data analysis. Visual grading of each PET image was performed by two independent neurologists. RESULTS: Smell test scores were significantly correlated to the striatal dopaminergic activity (Kendall's τb = -0.291, p < 0.001). However, smell test score alone appeared to have relatively weak power for predicting dopaminergic depletion (area under the curve = 0.693). Multivariate logistic regression model with inclusion of the patient's age and symptom duration as independent variables enhanced predictive power for dopaminergic depletion (area under the curve = 0.812). CONCLUSIONS: These results demonstrated that Cross-Cultural Smell Identification Test measurements alone may be insufficient to predict striatal dopaminergic depletion in Korean tremor patients.
URI
http://www.sciencedirect.com/science/article/pii/S1353802013002629

http://ir.ymlib.yonsei.ac.kr/handle/22282913/88920
DOI
10.1016/j.parkreldis.2013.07.008
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Neurology
Yonsei Authors
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