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  • Title: The Effect of Sacral Neuromodulation in Ambulatory Spina Bifida Patients with Neurogenic Bladder and Bowel Dysfunction.
    Author: Chen G, Liao L, Deng H.
    Journal: Urology; 2021 Jul; 153():345-350. PubMed ID: 33556449.
    Abstract:
    OBJECTIVE: To assess the effect of sacral neuromodulation (SNM) in ambulatory spina bifida patients with neurogenic bladder and bowel dysfunction. MATERIALS AND METHODS: We retrospectively reviewed the records of 29 ambulatory spina bifida patients with neurogenic bladder and bowel dysfunction who underwent SNM testing from July 2012 to January 2020. Clinical data and video-urodynamic parameters were collected and compared using the t-test and the chi-square test. The potential risk factors were considered by logistic regression analysis. P < .05 was considered significant. RESULTS: In the test phase, 21 patients (72.4%) achieved successful improvement of at least 1 symptom. The success rate for chronic urinary retention (26.09%) was significantly lower (P <.05) than that for urgency-frequency syndrome (58.82%) and urinary incontinence (56.25%). The mean neurogenic bowel dysfunction score decreased from 13.3±6.29 to 6.9±5.09 (P <.0001). The urodynamic evaluation showed a significant improvement in the mean maximum cystometric capacity, compliance, and maximum detrusor pressure (P <.05). Implantation was performed in 16 cases (55.17%). The analysis of the risk factors showed that chronic urinary retention was a statistically significant variable (P <.05). No complications were reported in the test phase. The average follow-up time was 41.19±33.06 months. Two patients changed to intermittent catheterization, and 2 patients changed to augmentation cystoplasty. CONCLUSION: SNM is effective for neurogenic bladder and bowel dysfunction in patients with ambulatory spina bifida, especially in those without chronic urinary retention. And SNM can also significantly improve the urodynamic parameters of these patients during the storage period.
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