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Evaluation of Percutaneous Tibial Nerve Stimulation for Treatment of Refractory Painful Bladder Syndrome
Maged M Ragab1, Ahmad M Tawfik1, Mohamed Abo El-enen1
1Urology Department, Tanta University Hospital, Tanta, Egypt.
Objective:
To evaluate the efficacy of intermittent percutaneous tibial nerve stimulation (PTNS) as a treatment modality for patients with refractory interstitial cystitis/bladder pain syndrome (IC/BPS).
Patients And Methods:
Twenty female patients with IC/BPS (mean symptom duration of 4.5 ± 2.4 years) each had a 30-minute session of PTNS per week for 12 successive weeks and the symptoms were assessed before, during, and after the treatment sessions by voiding diary, visual analog scale (VAS) for pain, interstitial cystitis symptom and problem indices (ICSI and ICPI), and global response assessment (GRA) scale. The scores of the previous questionnaires were evaluated at weeks 0, 6, and 12.
Results:
At week 0, the VAS, day time frequency, nocturia, and average voiding volume were 5.6 ± 1.1, 14.5 ± 4.0, 3.0 ± 0.9, and 131.8 ± 35.3 mL, respectively, meanwhile at week 12 these scores were 5.2 ± 1.5, 12.15 ± 3.7, 2.6 ± 0.7, and 141.0 ± 36.2, respectively. There was no statistically significant difference between the scores of the ICPI between weeks 0, 6, and 12 (P = .937). As regards the GRA score after the 12th session, 17 patients (85%) reported having no effect, 1 patient (5%) reported as having worse symptoms, and 2 patients (10%) reported having a mild good response.
Conclusion:
Intermittent PTNS is not a satisfactory treatment for refractory IC/BPS. However, it is recommended to perform more studies with other treatment protocol (maybe closer sessions) to confirm these results.
