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  • Title: Evaluation of constipation after parasacral transcutaneous electrical nerve stimulation in children with lower urinary tract dysfunction--a pilot study.
    Author: Veiga ML, Lordêlo P, Farias T, Barroso U.
    Journal: J Pediatr Urol; 2013 Oct; 9(5):622-6. PubMed ID: 22857873.
    Abstract:
    OBJECTIVE: To evaluate the efficacy of parasacral transcutaneous electrical nerve stimulation (TENS) for the treatment of constipation in children with lower urinary tract dysfunction (LUTD). MATERIALS AND METHODS: We treated 9 boys and 5 girls with a mean age of 8.07 ± 2.72 years. 10 (71.4%) had overactive bladder and 4 (28.6%) had voiding dysfunction. A total of 20 parasacral TENS sessions, 20 min each (10 Hz), were performed 3 times per week. The criteria used to assess constipation were the Rome III criteria for children, the Bristol Stool Chart, and a visual analog scale (pain from 0 to 10). The children were reassessed immediately after treatment. No specific treatment of constipation was performed. RESULTS: After treatment, 85.7% (p < 0.001) of the children's constipation symptoms had improved following the Rome III criteria. Parasacral TENS significantly impacted the following symptoms: "the presence of at least one episode of fecal incontinence per week", "history of stool retention", and "the presence of a large fecal mass in the rectum." There was no significant change in the Bristol Stool Chart evaluation (p < 0.25), but there was a significant improving trend in level of pain before and after treatment (p < 0.063). All urinary symptoms evaluated showed improvement after TENS treatment. There was a decrease in post-void residual urine. CONCLUSION: In this first study to evaluate the results of parasacral TENS on constipation in children with LUTD, satisfactory results were obtained for both complaints.
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