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Effect of Donepezil on Wernicke Aphasia After Bilateral Middle Cerebral Artery Infarction: Subtraction Analysis of Brain F-18 FDG PET Images

 Yoon, Seo Yeon  ;  Kim, Je-Kyung  ;  An, Young-sil  ;  Kim, Yong Wook 
 CLINICAL NEUROPHARMACOLOGY, Vol.38(4) : 147-150, 2015 
Journal Title
Issue Date
Aphasia, Wernicke*/drug therapy ; Aphasia, Wernicke*/etiology ; Aphasia, Wernicke*/pathology ; Brain/diagnostic imaging ; Brain/drug effects ; Female ; Fluorodeoxyglucose F18/metabolism* ; Humans ; Image Processing, Computer-Assisted ; Indans/therapeutic use* ; Infarction, Middle Cerebral Artery/complications* ; Magnetic Resonance Imaging ; Middle Aged ; Nootropic Agents/therapeutic use* ; Piperidines/therapeutic use* ; Positron-Emission Tomography*
Wernicke aphasia ; donepezil ; F-18 FDG PET
Aphasia is one of the most common neurologic deficits occurring after stroke. Although the speech-language therapy is a mainstream option for poststroke aphasia, pharmacotherapy is recently being tried to modulate different neurotransmitter systems. However, the efficacy of those treatments is still controversial. We present a case of a 53-year-old female patient with Wernicke aphasia, after the old infarction in the territory of left middle cerebral artery for 8 years and the recent infarction in the right middle cerebral artery for 4 months. On the initial evaluation, the Aphasia Quotient in Korean version of the Western Aphasia Battery was 25.6 of 100. Baseline brain F-18 fluorodeoxyglucose positron emission tomographic images demonstrated a decreased cerebral metabolism in the left temporoparietal area and right temporal lobe. Donepezil hydrochloride, a reversible acetylcholinesterase inhibitor, was orally administered 5 mg/d for 6 weeks after the initial evaluation and was increased to 10 mg/d for the following 6 weeks. After the donepezil treatment, the patient showed improvement in language function, scoring 51.0 of 100 on Aphasia Quotient. A subtraction analysis of the brain F-18 fluorodeoxyglucose positron emission tomographic images after donepezil medication demonstrated increased uptake in both middle temporal gyri, extended to the occipital area and the left cerebellum. Thus, we suggest that donepezil can be an effective therapeutic choice for the treatment of Wernicke aphasia.
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1. College of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Yong Wook(김용욱) ORCID logo https://orcid.org/0000-0002-5234-2454
Yoon, Seo Yeon(윤서연)
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