Efficacy and Safety of Electroacupuncture and Acupuncture in Postmenopausal Women With Overactive Bladder

Inclusion Criteria: 1. Women over 40 years of age without the possibility of pregnancy 2. Have a history of amenorrhea for at least 1 year and have no previous history of hormone replacement therapy for the last 6 months 3. With symptoms of urinary frequency and urgency lasting more than three months 4. Who fit the diagnostic criteria for OAB, with a total score more than three points in Korean version overactive bladder symptom score (OABSS) 5. Who have average urinary frequency of more than eight times per day and urgency which is defined as urgency rating scale (URS) on bladder diary is more than two points and/or UUI on 3-day bladder diary during one week screening period 6. Who agree to this clinical study after sufficient explanation Exclusion Criteria: 1. Diag¬nosed with UTI by urine examination 2. With stress urinary incontinence without symptoms of OAB 3. With suspected of having voiding dys¬function induced by neurological damage 4. With a medical history of cystocele, uterine pro¬lapse or similar 5. With a medical history of obstructive uropathy such as urinary stones and urinary tumors 6. With a surgical history of urethra or bladder 7. With a medical history of malignant tumors of urinary tract 8. With a medical history of neurologic disease or psychi¬atric illness 9. Have an artificial cardiac pacemaker or implantable cardioverter defibrillator in the chest 10. Have experienced a hypersensitivity reaction after an acupuncture treatment, or show any other contraindications; 11. Who participated in another clinical trial within the past three months 12. Who have taken therapeutic drugs that may affect blad¬der function within one month of the start of this study 13. With inadequate literacy to complete study documents