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- W2022113282 abstract "Objectives The optimal timing of pyeloplasty for children diagnosed with ureteropelvic junction obstruction (UPJO) after workup for antenatal hydronephrosis is disputed. We sought to examine the potential costs and clinical outcomes of treatment protocols featuring different indications for pediatric pyeloplasty using Markov models. Methods Cost and outcomes analysis using Markov modeling was performed for three treatment algorithms: medical management, immediate pyeloplasty (during the first year of life), and pyeloplasty after no improvement on imaging. The costs were determined from the perspective of the medical institution. The variables tracked during Markov model simulation included age at resolution of UPJO, the proportion of patients with worsened hydronephrosis, the number of pyeloplasties, the number of pyelonephritis episodes, and costs. Sensitivity analyses were performed to determine which elements affected the model and to determine threshold values. Results Immediate pyeloplasty and pyeloplasty after no improvement on imaging resulted in rapid resolution of UPJO (mean age at resolution younger than 2 years) with lower rates of worsened hydronephrosis and pyelonephritis compared with observation alone. For the surgical protocols, the costs per resolved case of UPJO were greater than those for medical management alone at the probability values tested in the Markov models. The sensitivity analysis of all variables over realistic ranges demonstrated that the costs of surgery, annual antibiotics and imaging, and the rate of pyelonephritis were critical in determining the costs. Conclusions Pediatric urologists should include practice-specific features such as the costs of surgery, annual antibiotics and imaging, and pyelonephritis rates when considering efficacious, yet less costly, treatment protocols for UPJO. The optimal timing of pyeloplasty for children diagnosed with ureteropelvic junction obstruction (UPJO) after workup for antenatal hydronephrosis is disputed. We sought to examine the potential costs and clinical outcomes of treatment protocols featuring different indications for pediatric pyeloplasty using Markov models. Cost and outcomes analysis using Markov modeling was performed for three treatment algorithms: medical management, immediate pyeloplasty (during the first year of life), and pyeloplasty after no improvement on imaging. The costs were determined from the perspective of the medical institution. The variables tracked during Markov model simulation included age at resolution of UPJO, the proportion of patients with worsened hydronephrosis, the number of pyeloplasties, the number of pyelonephritis episodes, and costs. Sensitivity analyses were performed to determine which elements affected the model and to determine threshold values. Immediate pyeloplasty and pyeloplasty after no improvement on imaging resulted in rapid resolution of UPJO (mean age at resolution younger than 2 years) with lower rates of worsened hydronephrosis and pyelonephritis compared with observation alone. For the surgical protocols, the costs per resolved case of UPJO were greater than those for medical management alone at the probability values tested in the Markov models. The sensitivity analysis of all variables over realistic ranges demonstrated that the costs of surgery, annual antibiotics and imaging, and the rate of pyelonephritis were critical in determining the costs. Pediatric urologists should include practice-specific features such as the costs of surgery, annual antibiotics and imaging, and pyelonephritis rates when considering efficacious, yet less costly, treatment protocols for UPJO." @default.
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- W2022113282 date "2008-10-01" @default.
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- W2022113282 title "Outcomes and Cost Analysis of Pyeloplasty for Antenatally Diagnosed Ureteropelvic Junction Obstruction Using Markov Models" @default.
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- W2022113282 doi "https://doi.org/10.1016/j.urology.2007.12.093" @default.
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