A Comparison of Electrical Ilioinguinal Nerve Stimulation With Intravesical Irrigation for Bladder Pain Syndrome

Diagnostic Criteria: 1. Complaint of suprapubic pain related to bladder filling, accompanied by other symptoms such as increased daytime and night-time frequency, in the absence of proven urinary infection or other obvious pathology. 2. Negative in urine routine test or urine cultivation. 3. Urinating at least 7 times per day or having some urgency or pain (measured on linear analog scales) Inclusion Criteria: 1. Providing informed consent to participate in the study; 2. Willing to undergo a cystoscopy under general or regional anesthesia when indicated during the course of the study; 3. Female patients meeting the diagnostic criteria; 4. Age ≥18 years and ≤80 years. 5. Disease course ≥ 6 months Exclusion Criteria: 1. Bladder capacity of greater than 350 mL on awake cystometry; 2. Absence of an intense urge to void with the bladder is filled to 150 mL of liquid filling medium; 3. The demonstration of phasic involuntary bladder contractions on cystometry using the fill rate just described; 4. Duration of symptoms less than 9 months; 5. Absence of nocturia; 6. Symptoms relieved by antimicrobial agents, urinary antiseptic agents, anticholinergic agents, or antispasmodic agents; 7. A frequency of urination while awake of less than 8 times per day; 8. A diagnosis of bacterial cystitis or prostatitis within a 3-month period; 9. Bladder or ureteral calculi; 10. Active genital herpes; 11. Uterine, cervical, vaginal, or urethral cancer; 12. Urethral diverticulum; 13. Cyclophosphamide or any type of chemical cystitis; 14. Tuberculous cystitis; 15. Radiation cystitis; 16. Benign or malignant bladder tumors; 17. Vaginitis; 18. Age younger than 18 years.