Evolving trends in the surgical management of renal masses over the past two decades: A contemporary picture from a large prospectively-maintained database

International Journal of Urology : Official Journal of the Japanese Urological Association
Kenneth ChenJohn S P Yuen

Abstract

To investigate the trends in the presentation and surgical management of renal tumors at Singapore General Hospital, Singapore. We accessed our uro-oncological registry to extract the clinicopathological data of patients with renal tumors who underwent nephrectomy from 2000 to 2015. Binary logistic regression was used to identify predictors of nephron-sparing surgery utilization, Clavien-Dindo grade ≥III complications and progression to stage ≥3 chronic kidney disease. Cox regression models were created to evaluate the proportional hazards of the risk factors for overall survival and cancer-specific survival. A total of 1208 cases of nephrectomy were carried out between 2000 and 2015. The proportion of cT1a tumors increased from 2000-2004 to 2010-2015, which was accompanied by the doubling of utilization rates of nephron-sparing surgery and minimally invasive surgery. Charlson Comorbidity Index score <2, asymptomatic presentation, clinical T1a tumors and having an estimated glomerular filtration rate ≥30 mL/min/1.73 m2 were all independent predictors of nephron-sparing surgery utilization. Age, symptomatic presentation and nephron-sparing surgery utilization were all significantly associated with greater odds of having Clavien-...Continue Reading

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