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  • Title: Primary obstructive megaureter: cutting balloon endo-ureterotomy.
    Author: Smeulders N, Yankovic F, Chippington S, Cherian A.
    Journal: J Pediatr Urol; 2013 Oct; 9(5):692.e1-2. PubMed ID: 23759477.
    Abstract:
    OBJECTIVE: In this video we will demonstrate endo-ureterotomy using a cutting balloon for vesico-ureteric junction (VUJ) dilatation and stenting of the primary obstructive megaureter. METHOD: For the technique, a 0.014 inch guide-wire is endoscopically inserted through the VUJ and allowed to curl in the megaureter. A 3 mm atherotome-bladed cutting balloon is inflated with iohexol contrast solution. Under fluoroscopy or cystoscopically, the stenotic VUJ segment is observed to open and post-dilated with a 4 mm simple balloon before JJ stent placement for six weeks. RESULTS: This video demonstrates the equipment and technique of VUJ endo-ureterotomy using a cutting balloon and stenting of the primary obstructive megaureter. CONCLUSION: Where intervention for the primary obstructive megaureter is indicated, we propose VUJ endo-ureterotomy as the first line treatment.
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