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  • Title: [Urinary diversion using a Maizels catheter (K.I.S.S.S.) in pyeloplasty].
    Author: Bono P, Pozzi E, De Francesco O, Broggini P, Roggia A.
    Journal: Arch Ital Urol Androl; 1993 Apr; 65(2):153-6. PubMed ID: 8330059.
    Abstract:
    The increasing interest and progress showed by the surgical treatment of the ureteropelvic junction obstruction, have evidenced some problems that have not completely solved. Problem in which there is division in opinion concerns the role of splinting with or without nephrostomy in pyeloplasty. A strong impulse for proximal urinary diversion after pyeloplasty derived from data provided by Caine and Hermann (1), who have demonstrated in cineradiographic studies that the normal ureteral peristalsis did not return for about 3 weeks after anastomosis. The authors, who use systematically urinary diversion in pyeloplasty, emphasize the usefulness of the Kidney Internal Stent Splint Set (K.I.S.S.S.). This device developed by Max Maizels, From Children's Memorial Hospital Chicago USA, is employed after pyeloplasty, when kidney drainage is mandatory for the success of the procedure. The set contains: sof-flex stent, 55 cm. long: closed segment 25 cm. long, with 12 cm. malleable tapered positioning stylet; "cut-out" segment 30 cm. long. Silicone retention disc with pull-tie; Luer-lock adapter; 10 Fr. polyvinylchloride connecting tube 30 cm long. Introduction with the malleable stylet is the same as a nephrostomy interoperatively placed. The closed portion of the stent is sutured with adsorbable suture to the renal capsule and is performed as a nephrostomy drainage catheter. The "cut-out" portion is advanced interoperatively into the ureter. The K.I.S.S.S. explains essentially a twofold function: first to defend the neo-anastomosis, secondly like a nephrostomy drainage.
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