Application of temporary polyurethane-covered nitinol endoprosthesis in treating urethral stricture


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Resumo

The incidence of urethral strictures and their recurrences is high. The effectiveness of optical urethrotomy in men is insufficient. Reconstructive urethropIasty is the «goId standard», but it is traumatic and accompanied by a proIonged period of rehabiIitation. The resuIts of using metaI endourethraI stents were unsatisfactory because of their incrustation and migration. This paper presents the resuIts treating urethraI strictures of various etiologies in 22 patients, who underwent optical urethrotomy with temporary placement of a new generation polyurethane-covered nitinol stents. After removing the stents from 3 to 8 months after impIantation, there was a stable effect of preserving the urethral lumen. The recurrence of the stricture occurred in 1 case 1 month following the stent removal. In other cases, there were no recurrences over 1-3 year follow-up. We consider placing an internal stent as an alternative adjunctive treatment of patients with urethral strictures.

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Sobre autores

D. Kurbatov

Endocrinology Research Center of Minzdrav of Russia

Email: ии; e-maiI: kurbatov.d@mail.ru
Department of Andrology and Urology

A. Martov

City Clinical Hospital №57

Email: martovalex@mail.ru
Department of Urology

S. Dubskiy

Endocrinology Research Center of Minzdrav of Russia

Email: sdubskiy@mail.ru
Department of Andrology and Urology

A. Lepetukhin

Endocrinology Research Center of Minzdrav of Russia

Email: alex52 51@yandex.ru
Department of Andrology and Urology

Yu. Andreev

LLC «Minimally Invasive Technologies»

Email: mit_ltd@mail.ru
town of Zheleznodorozhnyi

L. Raff

LLC «Minimally Invasive Technologies»

Email: mit_ltd@mail.ru
town of Zheleznodorozhnyi

Bibliografia

  1. Kogan M.I. Urethral stricture in men: reconstructive surgery: an illustrated guide. M., Prakticheskaya meditsina. 2010. 139 p. Russian (Коган М.И. Стриктуры уретры у мужчин: реконструктивновосстановительная хирургия: иллюстрированное руководство. М., Практическая медицина. 2010. 139 с.).
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  3. Milroy E., Allen A. A long term results of urolum urethral stent for recurrent urethral stricture. J Urol. 1996; 155:904-908.
  4. Culha M., Ozkuvanci U., Ciftci S., Saribacak A., Ustuner M., Yavuz U., Yilmaz H., Ozkan L. Management of recurrent bulbar urethral stricture-a 54 patients study with Allium bulbar urethral stent (BUS). Int J Clin Exp Med. 2014;7(10):3415-3419.
  5. Breyer B.N., McAninch J.W., Whitson J.M., Eisenberg M.L., Mehdizadeh J.F., Myers J.B., Voelzke B.B. Multivariate analysis of risk factors for long-term urethroplasty outcome. J Urol. 2010;183(2):613-617.
  6. Perry M.J.A., Roodhouse A.J., Gidlow A.B., Spicer T.G., Ellis B.W. Thermo-expandable intraprostatic stents in bladder outlet obstruction: an 8-year study. BJU Int. 2002;90:216-223.
  7. Konety B.R., Phelan M.W., O’Donnell W.F., Antiles L., Chancellor M.B. Urolume stent placement for the treatment of postbrachytherapy bladder outlet obstruction. Urology. 2000;55:721-724.

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