Outcomes of nephrectomy for renal cell carcinoma: An ecologic retrospective study in a middle-income country
https://doi.org/10.4081/aiua.2022.2.129
Accepted: May 31, 2022
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Objective: The aim of this study was to describe and compare the outcomes and indirect costs of oncological radical (RN) and partial nephrectomies (PN) in hospitals from the São Paulo public health system, Brazil.
Materials and methods: An ecologic retrospective study was performed from 2008 to 2019, using the TabNet Platform of the Brazilian Unified Health System Department of Informatics. Hospitals were classified according to volume of surgeries (low and high-volume, and also into four quartiles according to volume of surgeries), and with or without medical residency program in urology. The results were compared between groups.
Results: In the period analyzed were performed 2.606 RN in 16 hospitals. Data available for PN ranged only from 2013-2019 and included 1.223 surgeries comprising 15 hospitals. Overall mortality rates were 0.41% for PN and 2.87% for RN. The length of hospital stay was significantly higher in low-volume hospitals for both RN and PN (8.97 vs. 5.62 days, p = 0.001, and 7.75 vs. 4.37 days, p = 0.001, respectively), and also for the RN in hospitals without residency program in Urology (9.37 vs. 6.54 days, p = 0.03). When the volume of surgeries was divided into four quartiles, the length of hospital stay and ICU hospitalization days were significantly higher in the first quartile hospitals for RN (p = 0.016) and PN (p = 0.009), respectively. The mortality rates and indirect costs were not different considering PN and RN in the different types of hospitals.
Conclusions: The length of hospital stay was significantly lower for both PN and RN in high-volume hospitals, and also for RN in hospitals with residency program in Urology.
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