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  • Title: Intraoperative electrical stimulation of the pelvic splanchnic nerves during nerve-sparing radical hysterectomy.
    Author: Katahira A, Niikura H, Kaiho Y, Nakagawa H, Kurokawa K, Arai Y, Yaegashi N.
    Journal: Gynecol Oncol; 2005 Sep; 98(3):462-6. PubMed ID: 15979695.
    Abstract:
    OBJECTIVES: This study sought to determine whether intraoperative electrical stimulation (IES) of pelvic splanchnic nerves (PSNs) while monitoring bladder contraction was useful to predict postoperative bladder function during conventional nerve-sparing radical hysterectomy. METHODS: Seventeen patients with stage Ib or IIa cervical cancer underwent conventional radical hysterectomy. IES was performed in all cases, stimulating the roots of PSN, the posterior sheath of the vesicouterine ligament (PVL) and the dorsal area of the ligament. After resection of the uterus, the PSN roots were stimulated again. Bladder function was evaluated by urodynamic study (UDS) preoperatively and 3 months after surgery. RESULTS: The results of IES were consistent with bladder function evaluated by postoperative UDS. In 13 of 17 cases, an increased intravesical pressure was observed with IES of the PSN roots after uterus resection. Nine of 13 cases showed marked detrusor contraction with UDS 3 months after surgery and were able to void without using abdominal pressure except in one case. In the remaining 4 of 17 cases, no response could be detected to IES on either side. Three cases voided using abdominal pressure and one used clean intermittent self-catheterization without spontaneous voiding. CONCLUSIONS: IES while monitoring intravesical pressure during radical hysterectomy represents a technically simple and useful procedure for the prediction of postoperative bladder function.
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