Transcutaneous Tibial Nerve Stimulation in Patients With Neurogenic Overactive Bladder After Stroke

Inclusion Criteria: * Patients aged 40 and above with stable ischemic or hemorrhagic stroke. * Patients with neurogenic detrusor overactivity symptoms accompanied by urinary incontinence complaints and a urinary frequency of 9 or more. * Patients diagnosed with detrusor overactivity on urodynamic evaluation. * Patients with hemiplegia lasting between 30 days and 1 year. * Ability to understand procedures, benefits, and potential side effects. * Patients scoring 22 or above on the Mini Mental Test. Exclusion Criteria: * Patients with post-stroke neurogenic detrusor overactivity receiving or previously received pharmacological treatment. * Patients using intermittent catheterization or permanent catheterization as a bladder emptying method. * Patients with a history of urinary incontinence and/or urinary retention before stroke. * History of past urogynecological surgery. * Presence of urinary tract infection, bladder tumor, or cardiac pacemaker. * Significant fluid infusion requirement affecting urination or use of medication affecting bladder function. * Patients who have received botulinum toxin injection for post-stroke neurogenic detrusor overactivity. * Patients with postvoid residual volume above 150 mL.