Does preoperative platelet count and thrombocytosis play a prognostic role in patients undergoing nephrectomy for renal cell carcinoma? Results of a comprehensive retrospective series

Brookman-May, Sabine and May, Matthias and Ficarra, Vincenzo and Kainz, Manuela Christine and Kampel-Kettner, Karin and Kohlschreiber, Stephanie and Wenzl, Valentina and Schneider, Meike and Burger, Maximilian and Wieland, Wolf F. and Otto, Wolfgang and Tilki, Derya and Gilfrich, Christian and Hohenfellner, Markus and Pahernik, Sascha and Chromecki, Thomas F. and Stief, Christian and Zigeuner, Richard (2013) Does preoperative platelet count and thrombocytosis play a prognostic role in patients undergoing nephrectomy for renal cell carcinoma? Results of a comprehensive retrospective series. WORLD JOURNAL OF UROLOGY, 31 (5). pp. 1309-1316. ISSN 0724-4983, 1433-8726

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Abstract

To evaluate the still controversially discussed prognostic role of preoperative platelet level (PPL) and thrombocytosis (TC) in patients who undergo surgery for renal cell carcinoma (RCC) based on the largest patient series reported to date. A total of 3,139 patients, who underwent radical or nephron-sparing nephrectomy at four centres, were subdivided based on a threshold for preoperative platelets of 400 x 10(9) cells/L. Univariate and multivariable Cox regression analyses were applied to determine the prognostic influence of PPL and TC on cancer-specific survival (CSS) for patients with localized and metastatic disease at presentation. Group 1 (PPL a parts per thousand currency sign 400/nl) and Group 2 (PPL > 400/nl) included 2,862 (91 %) and 277 patients (9 %), respectively. With a median follow-up (FU) of 69.5 months (IQR: 35-105), CSS of all patients after 5 years was 84.6 % in Group 1 versus 53.4 % in Group 2 (p < 0.001). At multivariable analysis, TC (HR:1.337; p = 0.007) and continuous PPL (HR:1.001; p = 0.002) independently predicted a decreased survival. However, integration of these parameters into multivariable models for the entire study group and for patients with localized tumours did only result in marginal improvement of the model quality (0.66 and 1.04 %, respectively). Interestingly, neither TC (p = 0.257) nor PPL (p = 0.132) significantly influenced survival in M1 patients. Preoperative TC turned out an independent predictor for decreased CSS in patients undergoing surgery for localized RCC. However, significant improvement of multivariable models comprising standard clinical and pathological parameters by the inclusion of TC is not achieved. In metastatic disease, TC did not reveal an independent influence on CSS.

Item Type: Article
Uncontrolled Keywords: ENDOTHELIAL GROWTH-FACTOR; SURVIVAL; IMPACT; VARIABLES; Renal cell carcinoma; Thrombocytosis; Preoperative platelet level; Nephrectomy; Prognosis; Cancer-specific survival
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Urologie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 30 Mar 2020 12:43
Last Modified: 30 Mar 2020 12:43
URI: https://pred.uni-regensburg.de/id/eprint/15977

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