Neurourology and urodynamics · 2005
Preliminary communication: urodynamic assessment of donepezil hydrochloride in patients with Alzheimer's disease.
Клиническое исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Sakakibara Ryuji, Uchiyama Tomoyuki, Yoshiyama Mitsuharu, Yamanishi Tomoyuki, Hattori Takamichi
Аннотация
BACKGROUND AND AIMS: Donepezil hydrochloride, a central cholinergic drug, is widely used for improving cognitive decline in Alzheimer's disease (AD). We investigated whether donepezil might affect the lower urinary tract (LUT) function in AD.
METHODS: Alzheimer's Disease Assessment Scale cognitive subscale (ADAS-cog) (0-70, increase as impairment), urinary questionnaire, and electromyography (EMG)-cystometry were performed in eight patients with AD before and after treatment with 5 mg/day of donepezil.
RESULTS: The first assessment (before donepezil) showed moderate cognitive decline in the patients as a mean ADAS-cog score of 27.0 (range: 17-35) (normal < 15). Seven patients had urinary symptoms including urinary urgency incontinence in five. EMG-cystometry revealed neurogenic detrusor overactivity in seven with a mean detrusor pressure of 44.9 cm H(2)O (20-101), mean bladder capacity of 202 ml (20-412), and post-void residuals in none. The second assessment (3 months after donepezil) showed a decrease in the ADAS-cog score to 23.3 (11-35) though without statistical significance. Urinary incontinence disappeared in one and none had a new onset of incontinence. EMG-cystometry revealed an increase in the detrusor pressure on overactivity to 54.1 cm H(2)O (20-122), but also an increase in the bladder capacity to 234 ml (80-400), and post-void residuals in one (40 ml).
CONCLUSION: Although the number of our patients was small, it seems possibly that donepezil could ameliorate cognitive function without serious adverse effects on the LUT function in patients with AD.
METHODS: Alzheimer's Disease Assessment Scale cognitive subscale (ADAS-cog) (0-70, increase as impairment), urinary questionnaire, and electromyography (EMG)-cystometry were performed in eight patients with AD before and after treatment with 5 mg/day of donepezil.
RESULTS: The first assessment (before donepezil) showed moderate cognitive decline in the patients as a mean ADAS-cog score of 27.0 (range: 17-35) (normal < 15). Seven patients had urinary symptoms including urinary urgency incontinence in five. EMG-cystometry revealed neurogenic detrusor overactivity in seven with a mean detrusor pressure of 44.9 cm H(2)O (20-101), mean bladder capacity of 202 ml (20-412), and post-void residuals in none. The second assessment (3 months after donepezil) showed a decrease in the ADAS-cog score to 23.3 (11-35) though without statistical significance. Urinary incontinence disappeared in one and none had a new onset of incontinence. EMG-cystometry revealed an increase in the detrusor pressure on overactivity to 54.1 cm H(2)O (20-122), but also an increase in the bladder capacity to 234 ml (80-400), and post-void residuals in one (40 ml).
CONCLUSION: Although the number of our patients was small, it seems possibly that donepezil could ameliorate cognitive function without serious adverse effects on the LUT function in patients with AD.