Govier F E, Kobashi K C, Kuznetsov D D, Comiter C, Jones P, Dakil S E, James R
Virginia Mason Medical Center, Seattle, Washington 98111, USA.
Urology. 2005 Oct;66(4):741-5. doi: 10.1016/j.urology.2005.04.027.
To report a premarket multicenter trial to test the feasibility of a transvaginal silicone-coated polyester synthetic mesh sling in women with anatomic incontinence.
Fifty-one patients in four centers underwent transvaginal placement of a silicone-coated polyester synthetic mesh sling (American Medical Systems) during an 8-month period. Of the 51 patients, 31 were part of a prospective institutional review board-approved feasibility trial in three centers funded by American Medical Systems (group 1) and 20 underwent implantation by a single surgeon and their data were retrospectively reviewed (group 2). The studies were done concomitantly, and all slings were fixed transvaginally with bone anchors. All patients in group 1 were followed up at 4 weeks, 6 months, and 1 year (as applicable) with repeat questionnaires, physical examinations, and pad tests.
In group 1, 20 patients completed 6 months of follow-up. Ten patients (32%) required a second surgical procedure at an average of 183 days (range 68 to 343) postoperatively. Eight patients (26%) had vaginal extrusion of the mesh, one (3%) required sling lysis, and one (3%) required sling removal because of infection. In group 2, 8 patients (40%) underwent sling removal for vaginal extrusion at a mean of 160 days (range 83 to 214).
Transvaginally placed silicone-coated mesh slings used for the treatment of urinary incontinence demonstrated an unacceptably high vaginal extrusion rate in this study. Once identified, this study was immediately terminated, and this product was not marketed for this application in the United States.
报告一项上市前多中心试验,以测试经阴道植入的硅胶涂层聚酯合成网片吊带治疗解剖性尿失禁女性患者的可行性。
在8个月期间,四个中心的51例患者接受了经阴道植入硅胶涂层聚酯合成网片吊带(美国医疗系统公司)。51例患者中,31例参与了由美国医疗系统公司资助的三个中心的前瞻性机构审查委员会批准的可行性试验(第1组),20例由一名外科医生植入,其数据进行回顾性分析(第2组)。两项研究同时进行,所有吊带均通过骨锚经阴道固定。第1组所有患者在4周、6个月和1年(如适用)时接受随访,采用重复问卷调查、体格检查和尿垫试验。
第1组中,20例患者完成了6个月的随访。10例患者(32%)平均在术后183天(范围68至343天)需要进行二次手术。8例患者(26%)出现网片阴道外露,1例(3%)需要松解吊带,1例(3%)因感染需要取出吊带。第2组中,8例患者(40%)平均在160天(范围83至214天)时因网片阴道外露而取出吊带。
在本研究中,经阴道植入的用于治疗尿失禁的硅胶涂层网片吊带阴道外露率高得令人无法接受。一旦发现此问题,本研究立即终止,该产品未在美国获批用于此适应症。