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Academia Mexicana de Neurología, A.C.

2015, Number 4

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Rev Mex Neuroci 2015; 16 (4)

Brainstem auditory evoked potentials in Parkinson disease

Aguilar-Fabré L, González-Loyola JG, Hernández-Montiel HL, Hernández-Montiel C, Martínez-Martínez L, Vega-Malagón G, Rodríguez-Valdés RF

Language: Spanish
References: 19
Page: 14-20
PDF size: 127.30 Kb.


ABSTRACT

Introduction: Parkinson disease is characterized mainly by dysfunction of the nigrostriatal dopaminergic system, but are also involved other dopaminergic and non-dopaminergic brain systems, principally within the brain stem.
Objective: To study the functional status of the auditory pathway in the brainstem in a group of patients with diagnosis of Parkinson disease.
Material and Methods: A total of 16 patients with Parkinson disease and 20 healthy subjects were studied. For each group both ears were investigated by brainstem auditory evoked potentials (BAEPs). All recordings of BAEPs were performed using 80 dB HL alternating polarity clicks. In order to assess whether there were significant differences between the control group and patients with Parkinson disease, the U-Mann Whitney test was performed.
Results: There were no significant differences in the absolute latencies of waves I, III and V and interpeak latencies I-III, III-V and I-V in patients with Parkinson disease, as compared with healthy controls.
Conclusions: These results suggest that auditory pathway in the brainstem is not involved in patients with Parkinson disease.


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