World journal of urology · 2018
Randomized clinical trial between polyacrylate-polyalcohol copolymer (PPC) and dextranomer-hyaluronic acid copolymer (Dx/HA) as bulking agents for endoscopic treatment of primary vesicoureteral reflux (VUR).
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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García-Aparicio L, Blázquez-Gómez E, Martin O, Pérez-Bertólez S, Arboleda J, Soria A, Tarrado X
Аннотация
OBJECTIVE: To compare the radiological and clinical outcomes of endoscopic treatment of primary VUR using polyacrylate-polyalcohol copolymer (PPC-Vantris®) or dextranomer-hyaluronic acid copolymer (Dx/HA-Deflux®).
MATERIALS AND METHODS: From October 2014 to April 2017, patients with primary VUR grade III to V that needed endoscopic treatment (ET) were eligible for this randomized clinical trial. We excluded toilet-trained patients with lower urinary tract symptoms. Patients were randomized and allocated into two groups: PPC group and Dx/HA group. After endoscopic treatment a voiding cystourethrography (VCUG) was performed at 6 months; if VUR was still present a second ET was performed. Radiological success was considered if postoperative VUR grade was 0 and clinical success rate was considered if no more fUTI appeared during follow-up.
RESULTS: Forty-six patients were eligible but 2 did not accept the trial. Forty-four patients with 73 refluxing ureters were included. PPC: 34 refluxing ureters; and Dx/HA: 39 refluxing ureters. Both groups were statistically homogeneous and comparable. Mean follow-up was 27.6 months. Radiological success rate (82.2%) and clinical success rate (92.3%) were similar in both groups (p > 0.05). The volume of bulking agent used in those successfully treated was greater in Dx/HA group (p < 0.05). Distal ureter was excise in all cases of ureteral reimplantation after PPC treatment; however, distal ureter was preserved in all ureters reimplanted after Dx/HA injection.
CONCLUSION: PPC and Dx/HA had similar outcomes, but we must warn that ureteral reimplantation after endoscopic treatment with PPC is difficult because of the periureteral fibrosis.
MATERIALS AND METHODS: From October 2014 to April 2017, patients with primary VUR grade III to V that needed endoscopic treatment (ET) were eligible for this randomized clinical trial. We excluded toilet-trained patients with lower urinary tract symptoms. Patients were randomized and allocated into two groups: PPC group and Dx/HA group. After endoscopic treatment a voiding cystourethrography (VCUG) was performed at 6 months; if VUR was still present a second ET was performed. Radiological success was considered if postoperative VUR grade was 0 and clinical success rate was considered if no more fUTI appeared during follow-up.
RESULTS: Forty-six patients were eligible but 2 did not accept the trial. Forty-four patients with 73 refluxing ureters were included. PPC: 34 refluxing ureters; and Dx/HA: 39 refluxing ureters. Both groups were statistically homogeneous and comparable. Mean follow-up was 27.6 months. Radiological success rate (82.2%) and clinical success rate (92.3%) were similar in both groups (p > 0.05). The volume of bulking agent used in those successfully treated was greater in Dx/HA group (p < 0.05). Distal ureter was excise in all cases of ureteral reimplantation after PPC treatment; however, distal ureter was preserved in all ureters reimplanted after Dx/HA injection.
CONCLUSION: PPC and Dx/HA had similar outcomes, but we must warn that ureteral reimplantation after endoscopic treatment with PPC is difficult because of the periureteral fibrosis.