美国泌尿外科学会（AUA）报告美国肖氏手术三年结果

          Tuesday, May 17, 2011 华盛顿 D.C

背景和目标：通过显微神经手术吻合腰-骶神经运动支，从而建立皮肤-中枢-膀胱反射弧来重建先天脊柱裂脊膜膨出病人膀胱和肠道功能的理论和手术是肖传国发明的。我们应用此创新手术已3年，现报告结果。

方法：这项为期3年的临床研究计划共收治9位病人（3男6女）平均年龄8岁（6-37岁）。本计划得到伦理委员会批准。经过详尽的术前检查和评估后，为每个病人在神经电生理监控下施行了腰-骶神经通路重建手术（即肖氏反射弧手术---译者注）。术后评估包括随访问卷，尿流动力学测定，排尿日记，肾功能研究和大肠功能评估。

结果：9个病人中，5个曾在出生后24小时内做过脊膜膨出修补手术，3个则在胎儿期用内窥镜作了子宫内脊髓膜膨出修补术，仅一人无手术史。手术平均时间为183分钟（127-278分钟），无任何术中并发症。术后有一个病人发生左足下垂，8个病人出现暂时性小腿肌肉力量减弱（均在6个月左右恢复至术前肌力—译者注：见术后一年报告J.Urol，Peters）。在术后12个月，9个病人中有7个经检测证实已建立皮肤-膀胱反射弧（即肖氏反射弧-译者注）在进行术后第3年随访时，有2位病人没能回访，暂列为失随访。其余7位病人术后3年结果如下：尿流动力学检查证实：膀胱平均容量从210毫升增加到293毫升。7个病人中术前有4个是高反射膀胱，现仅一位还有高反射。平均膀胱顺应性从术前12.2 ml/H2O改善为28.4 ml/H2O，其中3位术前顺应性低于10者（表示逼尿肌基本无功能-译者注）术后变成正常（从7到34.3, 从9.4到21.2, 从8.3到28.4）。 7个病人中，术前仅2人能排出平均23毫升尿，现6人已完全不需导尿管自行排尿，6个病人自己记录每次可排出平均156毫升尿，但尿流率测定证实每次平均排出高达248毫升，残余尿93毫升，有效排尿率为73% 所有6个病人都能排空至少超过59%的膀胱容量。7个病人中，5个需借助些许腹压排尿；7个病人中一个已无尿失禁，6个仍有压力性尿失禁（即打喷嚏或剧烈咳嗽时滴尿，因为尿道括约肌还较弱所致-译者注）：其中3个仅偶有滴尿，3个较易滴尿。7个病人中，3个在术前认为自己肠道功能正常，一个没有大便失禁。在术后3年随访时，6个报告肠道功能已正常，4个已无大便失禁。除一位还有高反射膀胱的病人外，其余所有病人都不再需要服用抗胆碱能药物。肾脏B超检查和血肌酐均正常。所有病人均无长期并发症。7个病人中有6个很高兴自己作了本手术。

结论：腰-骶神经改道重建手术（即肖氏反射弧手术-译者注）能够改善先天性脊柱裂脊膜膨出并发神经性膀胱病人的大小便功能。

Tuesday, May 17, 2011 8:00 AM-10:00 AM

Urodynamics/Incontinence/Female Urology: Neurogenic Voiding Dysfunction

Moderated Poster

Source of Funding: Ministrelli Program for Urology Research and Education (MPURE)

1502: THREE-YEAR CLINICAL OUTCOMES WITH LUMBAR TO SACRAL NERVE REROUTING IN SPINA BIFIDA

Kenneth Peters，Kevin Feber， Benjamin Girdler， William Nantau， Evan Kass， Jose Gonzalez， Gary Trock ，Ananias Diokno，Royal Oak, MI

INTRODUCTION AND OBJECTIVES: The concept of restoring bladder and bowel function inspina bifida by the creation of a skin-CNS-bladder reflex arc by an intradural lumbar to sacral motor root microanastomosis was introduced by Xiao. We report our three-year experience with the novel procedure.

METHODS: Nine patients (3 males, 6 females) with median age of 8 (range 6 to 37) years enrolled in this institutional review board approved protocol. After extensive preoperative evaluation, lumbar to sacral nerve rerouting was performed using intraoperative neurophysiological monitoring. Postoperative evaluation included follow-up questionnaires,urodynamic testing (UDT), voiding diaries, renal function studies and bowel assessment.

RESULTS: Of the 9 patients, 5 patients had defect closure within 24 hours of birth, 3 had intrauterine closure and 1 had no prior surgery. Mean operative time was 183 (range 127-278) minutes. No intraoperative complications occurred. One patient developed permanent foot drop and 8 had transient lower extremity weakness. By 12 months, 7 of 9 had a documented cutaneous to bladder reflex. At 3 years, 2 patients did not return for follow-up and were considered non-responders. Seven patients returned for 36-month evaluation. On UDT, maximum cystometric capacity improved from mean 210 cc to 293 cc. At baseline 4/7 had neurogenic detrusor overactivity (NDO); at 36 months 1/7 had NDO. Median compliance improved from 12.2 ml/H20 to 28.4 ml/H2O and 3 with a baseline compliance of less than 10 had normalization (7 to 34.3, 9.4 to 21.2, and 8.3 to 28.4). At baseline, 2/7 were able to void with an average void of 23 cc. At 36 months, 6/7 no longer required catheterization and 6/7 reported mean voided volume of 156cc on voiding diaries. Uroflow demonstrated a mean voided volume of 248 cc with a 93 cc post void residual and a voiding efficiency of 73%. All 6 patients were voiding > 59% of their bladder capacity. 5 of 7 require some valsalva to void. 6/7 subjects had persistent stress incontinence with 1 subject dry, 3 with occasional leak, 3 frequent leaks. At baseline, 3/7 considered their bowels normal and 1/7 were continent of stool. At 36-months 6/7 considered bowels normal and 4/7 continent of stool. Antimuscarinics were stopped in all subjects except the 1 with persistent NDO. Renal ultrasounds and serum creatinines remained stable. No long-term complications were identified and 6/7 would undergo the procedure again.

CONCLUSIONS:

Lumbar to sacral nerve rerouting can improve bladder and bowel function in patients withneurogenic bladder associated with spina bifida.