A Low Geriatric Nutritional Risk Index is Associated with Aggressive Pathologic Characteristics and Poor Survival after Nephrectomy in Clear Renal Cell Carcinoma: A Multicenter Retrospective Study.

Purpose: To investigated the prognostic significance of the geriatric nutritional risk index (GNRI) in patients with surgically treated clear cell renal cell carcinoma (ccRCC). Patients and methods: We retrospectively selected 4,591 consecutive patients with surgically treated ccRCC from a multi-institutional Korean collaboration between 1988 and 2015. The clinical significance of the GNRI as a continuous and categorical variable was determined. Results: Preoperative low GNRI was significantly associated with older age, low body mass index, presence of diabetes, poor performance status, and presence of symptoms at diagnosis, as well as pathologic features such as aggressive tumor characteristics including large tumor size, advanced stage, high nuclear grade, lymphovascular invasion, sarcomatous differentiation, and tumor necrosis. A low GNRI was significantly associated with a short recurrence-free survival (RFS) in localized (pT1-2N0M0) ccRCC and cancer-specific survival (CSS) in the entire cohort, and with short RFS and CSS in the subgroup analysis according to age categories (≤65 and >65 years). Multivariate Cox regression analysis showed that preoperative GNRI, as a continuous or categorical variable, was an independent predictor of RFS and CSS. Conclusion: Malnutrition as assessed by the preoperative GNRI is associated with aggressive tumor characteristics and poor survival in patients with surgically treated ccRCC.

Nutrition and cancer. 2019 Jun 01 [Epub ahead of print]

Ho Won Kang, Sung Pil Seo, Won Tae Kim, Seok Joong Yun, Sang-Cheol Lee, Wun-Jae Kim, Eu Chang Hwang, Seok Ho Kang, Sung-Hoo Hong, Jinsoo Chung, Tae Gyun Kwon, Hyeon Hoe Kim, Cheol Kwak, Seok-Soo Byun, Yong-June Kim

a Department of Urology, Chungbuk National University Hospital , Chungbuk National University College of Medicine , Cheongju , Korea., b Department of Urology , Chonnam National University Hwasun Hospital , Hwasun , Korea., c Department of Urology , Korea University School of Medicine , Seoul , Korea., d Department of Urology, College of Medicine , The Catholic University of Korea , Seoul , Korea., e Department of Urology , National Cancer Center , Goyang , Korea., f Department of Urology , Kyungpook National University College of Medicine , Daegu , Korea., g Department of Urology , Seoul National University College of Medicine , Seoul , Korea., h Department of Urology , Seoul National University Bundang Hospital , Seongnam , Korea.

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