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  • Title: Management of crossing vessels in children and adults: A multi-center experience with the transperitoneal laparoscopic approach.
    Author: Panek W, Jong TPVM, Szydełko T, Chrzan R.
    Journal: Adv Clin Exp Med; 2019 Jun; 28(6):777-782. PubMed ID: 30968612.
    Abstract:
    BACKGROUND: Crossing vessels (CVs) are common in older children and adults with hydronephrosis but no gold standard exists on how to treat this condition. The final decision is made intraoperatively by the surgeon. OBJECTIVES: To assess the outcome of the laparoscopic dismembered pyeloplasty with translocation of the CVs in children and adults. MATERIAL AND METHODS: Prospectively collected data from 3 departments was reviewed. Inclusion criteria were: 1) a transperitoneal laparoscopic approach; 2) dismembered pyeloplasty; and 3) the same operating pediatric urologist (RC) or urologist (TS). In the case of CVs, pyeloplasty with vessel transposition (children) or with cephalad translocation (adults) was performed. Forty-eight children and 41 adults met these criteria. Patients were divided into 4 groups: children with (group 1A) and without (group 1B) CVs, and adults with (group 2A) and without (group 2B) CVs. Any surgical reintervention at the uretero-pelvic junction (UPJ) was deemed a failure. RESULTS: The overall reintervention rate was 3/48 (6.25%) in children and 2/41 (4.9%) in adults (p > 0.05), and involved the following: 4 endopyelotomies and 1 redo pyeloplasty. Crossing vessels were identified in 28/48 (58%) children and 12/41 (29%) adults. The mean operation time was 152 min in group 1A and 161 min in group 2A (p > 0.5). Reintervention was needed in 2/28 patients in group 1A and in 1/12 patients in group 2A (p > 0.05). There was no difference in the failure rate between group 1A and group 1B, nor between group 2A and group 2B (p > 0.05). CONCLUSIONS: Crossing vessels should be meticulously looked for during pyeloplasty in older children and adults. Dismembered laparoscopic pyeloplasty (LP) with dorsal transposition or cephalad translocation are comparable methods in terms of success rate for the treatment of UPJ obstruction in these patients.
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