Japanese journal of clinical oncology · 2021
Smaller decline of renal function after nephroureterectomy predicts poorer prognosis of upper tract urothelial carcinoma: a multicentre retrospective study.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Yamada Yukio, Nakagawa Tohru, Miyakawa Jimpei, Kawai Taketo, Tabata Mariko, Kaneko Tomoyuki, Taguchi Satoru, Naito Akihiro, Hikatsu Masahiro, Sato Yusuke, Murata Taro, Matsumoto Akihiko, Miyazaki Hideyo, Suzuki Motofumi, Enomoto Yutaka, Nishimatsu Hiroaki, Kondo Yasushi, Takeuchi Takumi, Tanaka Yoshinori, Kume Haruki
Аннотация
PURPOSE: Renal function is frequently impaired in the patients with upper tract urothelial carcinoma. We aimed to evaluate the impact of renal function and its change after surgery on survival rates in patients with upper tract urothelial carcinoma after nephroureterectomy.
METHODS: The study cohort comprised 755 patients with upper tract urothelial carcinoma who underwent nephroureterectomy between 1995 and 2016 at nine hospitals in Japan. Estimated glomerular filtration rate was calculated using the three-variable Japanese equation for glomerular filtration rate estimation from serum creatinine level and age. Outcomes were recurrence-free, cancer-specific and overall survivals. Univariate and multivariate Cox proportional hazards regression analyses were used.
RESULTS: Median patients' age was 72 years old. Pre- and post-surgical median estimated glomerular filtration rate were 55.5 and 42.9 ml/min/1.73 m2, respectively. Median estimated glomerular filtration rate decline after surgery, which represents function of the affected side kidney, was 13.1 ml/min/1.73 m2. The 5-year recurrence-free, cancer-specific and overall survivals were 68.3, 79.4 and 74.0%, respectively. Multivariate analysis indicated that lower preoperative estimated glomerular filtration rate and estimated glomerular filtration rate decline were associated with poorer recurrence-free, cancer-specific and overall survivals, but post-operative estimated glomerular filtration rate was not. Estimated glomerular filtration rate decline was more significant poor-prognosticator than preoperative estimated glomerular filtration rate. Proportions of the patients with estimated glomerular filtration rate <60 ml/min/1.73 m2 before surgery were 50.6 and 73.2% in organ-confined disease and locally advanced disease, respectively (P < 0.0001). After surgery, they were 91.6 and 89.8%, respectively (P = 0.3896).
CONCLUSIONS: Lower preoperative renal function, especially of the affected side kidney, was significantly associated with poor prognosis after nephroureterectomy for upper tract urothelial carcinoma. Many patients with locally advanced disease have reduced renal function at diagnosis and even more after surgery.
METHODS: The study cohort comprised 755 patients with upper tract urothelial carcinoma who underwent nephroureterectomy between 1995 and 2016 at nine hospitals in Japan. Estimated glomerular filtration rate was calculated using the three-variable Japanese equation for glomerular filtration rate estimation from serum creatinine level and age. Outcomes were recurrence-free, cancer-specific and overall survivals. Univariate and multivariate Cox proportional hazards regression analyses were used.
RESULTS: Median patients' age was 72 years old. Pre- and post-surgical median estimated glomerular filtration rate were 55.5 and 42.9 ml/min/1.73 m2, respectively. Median estimated glomerular filtration rate decline after surgery, which represents function of the affected side kidney, was 13.1 ml/min/1.73 m2. The 5-year recurrence-free, cancer-specific and overall survivals were 68.3, 79.4 and 74.0%, respectively. Multivariate analysis indicated that lower preoperative estimated glomerular filtration rate and estimated glomerular filtration rate decline were associated with poorer recurrence-free, cancer-specific and overall survivals, but post-operative estimated glomerular filtration rate was not. Estimated glomerular filtration rate decline was more significant poor-prognosticator than preoperative estimated glomerular filtration rate. Proportions of the patients with estimated glomerular filtration rate <60 ml/min/1.73 m2 before surgery were 50.6 and 73.2% in organ-confined disease and locally advanced disease, respectively (P < 0.0001). After surgery, they were 91.6 and 89.8%, respectively (P = 0.3896).
CONCLUSIONS: Lower preoperative renal function, especially of the affected side kidney, was significantly associated with poor prognosis after nephroureterectomy for upper tract urothelial carcinoma. Many patients with locally advanced disease have reduced renal function at diagnosis and even more after surgery.