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  • Title: A modification with threading cannula needle-assisted 4-point suspension fixation for retroperitoneal laparoscopic pyeloplasty in children with ureteropelvic junction obstruction: a cohort study in single center.
    Author: Li K, Hu C, Huang W, Si-Tu J, Lu L, Mao Y, Zhang H, Qiu J, Wang D.
    Journal: Int Urol Nephrol; 2019 Feb; 51(2):193-199. PubMed ID: 30519979.
    Abstract:
    PURPOSE: To evaluate the effect and safety of modifying a threading cannula needle-assisted suspension fixation in retroperitoneal laparoscopic dismembered pyeloplasty (LDP) for children with congenital ureteropelvic junction obstruction (UPJO). METHODS: Between December 2012 and December 2017, 45 children (< 14 years of age) with congenital UPJO were divided into two groups. In Group A, children underwent conventional "no-suspension fixation" LDP; and in Group B, "4-point suspension fixation" LDP was performed to lower difficulties and shorten operative time. The perioperative clinical data were recorded and analyzed. RESULTS: No statistical difference was found between two groups in preoperative characteristics. The duration of surgery, operative time for completion of anastomosis and the length of postoperative hospital stay in Group B was remarkably shortened than that in Group A, respectively (P < 0.05 for all). There was no significant difference between two groups in terms of postoperative renal pelvic diameter (RPD) decreasing, extubation time and success rates of surgery (P > 0.05 for all). In addition, no recurrent stenosis and urine leakage in both groups, and the postoperative RPD remained at the low level in both groups during the period of follow-up. CONCLUSIONS: Our modification of the 4-point suspension fixation for retroperitoneal LDP is an effective and safe method for children with UPJO. It can simplify the surgical procedures, lower difficulties (especially in precise anastomotic suturing) and shorten the learning curve. This modification might be of particular interest to urologists for improving treatment of children with UPJO.
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