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Published in: World Journal of Urology 9/2019

01-09-2019 | Original Article

The prognostic role of preoperative circulating neutrophil–lymphocyte ratio in primary bladder cancer patients undergoing radical cystectomy: a meta-analysis

Authors: Guoming Hu, Feng Xu, Kefang Zhong, Shimin Wang, Qi Xu, Liming Huang, Pu Cheng

Published in: World Journal of Urology | Issue 9/2019

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Abstract

Background

Systemic inflammatory response (SIR) plays important roles in initiation, promotion and progression of tumor. However, the prognostic role of preoperative circulating neutrophil–lymphocyte ratio (NLR) (known as a marker of SIR) in human primary bladder cancer (BC) undergoing radical cystectomy (RC) remains controversial. Hence, we performed this meta-analysis to better understand the role of preoperative circulating NLR in prognosis prediction for primary BC patients undergoing RC.

Methods

We searched PubMed, Embase and EBSCO to identify the studies and computed extracted data with STATA 12.0.

Results

A total of 11,945 patients with BC from 18 published studies were incorporated into this meta-analysis. We found that elevated NLR was significantly associated with decreased 3-year and 5-year overall survival (OS), 1-year, 3-year and 5-year recurrence-free survival (RFS), but not with 1-year or 10-year OS, or 10-year RFS in primary BC patients who underwent RC. The results also showed that neoadjuvant chemotherapy (NAC) had a significant impact on the negative prognostic effect of NLR. In addition, high NLR significantly correlated with unfavorable clinicopathological features of BC.

Conclusion

Elevated preoperative circulating NLR leads to an unfavorable outcome in primary BC undergoing RC, especially in patients without NAC, implicating that it might be a valuable prognostic index for these patients.
Appendix
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Metadata
Title
The prognostic role of preoperative circulating neutrophil–lymphocyte ratio in primary bladder cancer patients undergoing radical cystectomy: a meta-analysis
Authors
Guoming Hu
Feng Xu
Kefang Zhong
Shimin Wang
Qi Xu
Liming Huang
Pu Cheng
Publication date
01-09-2019
Publisher
Springer Berlin Heidelberg
Published in
World Journal of Urology / Issue 9/2019
Print ISSN: 0724-4983
Electronic ISSN: 1433-8726
DOI
https://doi.org/10.1007/s00345-018-2593-z

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