Shyam Sukumar1, Orchidee Djahangirian2, Akshay Sood1, Jesse D Sammon1, Briony Varda3, Kirsten Janosek-Albright4, Abd-El-Rahman Abd-El-Barr4, Maxine Sun2, Quoc-Dien Trinh5. 1. Center for Outcomes Research and Analytics, Henry Ford Health System, Detroit, MI; Vattikuti Urology Institute, Henry Ford Health System, Detroit, MI. 2. Cancer Prognostics and Health Outcomes Unit, University of Montreal, Montreal, Quebec, Canada. 3. Division of Urologic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA; Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA. 4. Vattikuti Urology Institute, Henry Ford Health System, Detroit, MI. 5. Division of Urologic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA; Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA. Electronic address: trinh.qd@gmail.com.
Abstract
OBJECTIVE: To assess the differential effect of volume-outcome dynamics on the outcomes of open pyeloplasty (OP) and minimally invasive pyeloplasty (MIP) in the management of pediatric ureteropelvic junction obstruction in the setting of increasing utilization of MIP. METHODS: Within the Nationwide Inpatient Sample, a weighted estimate of 6006 pediatric patients (≤18 years; 2008-2010) with ureteropelvic junction obstruction underwent either OP or MIP. National trends in utilization and comparative effectiveness outcomes were examined in terms of intraoperative and postoperative complications, prolonged length of stay, and excessive hospital charges. Hospitals were stratified into volume quartiles. Specifically, the volume-outcome dynamics of the highest and lowest volume quartiles of both the approaches were examined with binary logistic regression models. RESULTS: MIP accounted for 17.2% of cases during the study years. In individual multivariate models, high-volume OP patients had a significantly lower risk of developing postoperative complications, genitourinary complications, and excessive hospital charges compared with high-volume MIP, low-volume OP, and low-volume MIP patients. Regardless of hospital volume, MIP patients experienced shorter hospital stays. CONCLUSION: Although there has been a substantial increase in the utilization of MIP, high-volume hospitals performing OP have the best perioperative outcomes in terms of postoperative complications, genitourinary complications, and overall hospital charges. However, high-volume hospitals performing MIP have better outcomes compared with low-volume hospitals performing OP. Shorter hospital stay is the one mitigating factor of MIP.
OBJECTIVE: To assess the differential effect of volume-outcome dynamics on the outcomes of open pyeloplasty (OP) and minimally invasive pyeloplasty (MIP) in the management of pediatric ureteropelvic junction obstruction in the setting of increasing utilization of MIP. METHODS: Within the Nationwide Inpatient Sample, a weighted estimate of 6006 pediatric patients (≤18 years; 2008-2010) with ureteropelvic junction obstruction underwent either OP or MIP. National trends in utilization and comparative effectiveness outcomes were examined in terms of intraoperative and postoperative complications, prolonged length of stay, and excessive hospital charges. Hospitals were stratified into volume quartiles. Specifically, the volume-outcome dynamics of the highest and lowest volume quartiles of both the approaches were examined with binary logistic regression models. RESULTS: MIP accounted for 17.2% of cases during the study years. In individual multivariate models, high-volume OP patients had a significantly lower risk of developing postoperative complications, genitourinary complications, and excessive hospital charges compared with high-volume MIP, low-volume OP, and low-volume MIP patients. Regardless of hospital volume, MIP patients experienced shorter hospital stays. CONCLUSION: Although there has been a substantial increase in the utilization of MIP, high-volume hospitals performing OP have the best perioperative outcomes in terms of postoperative complications, genitourinary complications, and overall hospital charges. However, high-volume hospitals performing MIP have better outcomes compared with low-volume hospitals performing OP. Shorter hospital stay is the one mitigating factor of MIP.
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