Effectiveness and Safety of Electroacupuncture on Poststroke Urinary Incontinence

Inclusion Criteria: 1. Male or female aged over 19 years old 2. Patients diagnosed with stroke (cerebral hemorrhage or infarction) by the examination of computed tomography or magnetic resonance imaging methods within 2 years 3. Twice or more of urination with 3 to 4 points of PPIUS\* at baseline OR 13 points or more of K-IPSS\* 4. Any volunteers who signed the informed consent forms Exclusion Criteria: We will exclude any patients with 1. Once or more of post-voiding residual \> 200 ml per day 2. Clinically significant stress urinary incontinence diagnosed based on cough induction test or investigator's decision 3. Recurrent urinary tract infection defined as 4 or more treatments for urinary tract infection for the recent 1 year 4. Cognitive impairment with less than 23 points of MMSE-K\* examination 5. Acute or chronic lower urinary tract infection examined by urine culture 6. Urinary incontinence diagnosed before the stroke occurred and the symptoms have continued until now based on medical history 7. Any severe diseases in lower urinary tract based on medical history and screening examination 8. Coagulation disorders based on medical history 9. Peripheral arterial diseases, which resulted in taking medical or surgical procedures to treat them based on medical history 10. Psychiatric diseases based on medical history 11. Fear of acupuncture based on questionnaire test 12. Pregnancy based on urine test 13. Any other inappropriate reasons on which the primary or sub investigators do not let the patients participate in the trial * Abbreviations PPIUS; Patient Perception of Intensity of Urgency Scale K-IPSS; The Korean version of International Prostate Symptom Scale MMSE-K; The Korean version of Mini-Mental State Examination