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- Title
The Efficacy of Transvaginal Ultrasound-Guided BoNT-A External Sphincter Injection in Female Patients with Underactive Bladder.
- Authors
Tsai, Cheng-Yen; Yeh, Yao-Hung; Tsai, Li-Hsien; Chou, Eric Chieh-Lung
- Abstract
Owing to the diverse treatment outcomes after a botulinum toxin A (BoNT-A) injection to the external sphincter, this study aimed to develop a new technique: an ultrasound-guided BoNT-A external sphincter injection. This single-center prospective cohort study was conducted at a tertiary medical center in Taichung, Taiwan. From December 2020 to September 2022, 12 women were enrolled. The patients were evaluated for lower urinary tract syndrome using patient perception of bladder condition (PPBC), international prostate symptom score (IPSS), uroflowmetry, post-void residual volume (PVR), cystometry, and external sphincter electromyography. We evaluated the patients the day before surgery and 1 week after the BoNT-A injection. For the patients requiring self-catheterization, we recorded the number of times they required clean intermittent catheterization (CIC) per day before the procedure and 1 month after the procedure. The IPSS, PPBC, and PVR were significantly better after the transvaginal ultrasound-guided BoNT-A external sphincter injection. The number of times the patients required daily CIC was also reduced after the injection. Only one patient developed de novo urge urinary incontinence. Our results demonstrated that a transvaginal ultrasound-guided BoNT-A injection was efficacious and safe in the treatment of underactive bladder.
- Subjects
TAI-chung shih (Taiwan); SPHINCTERS; WOMEN patients; BLADDER; INJECTIONS; BOTULINUM toxin; PATIENTS' attitudes; HIGH-intensity focused ultrasound
- Publication
Toxins, 2023, Vol 15, Issue 3, p199
- ISSN
2072-6651
- Publication type
Article
- DOI
10.3390/toxins15030199