Perioperative change in neutrophil-to-lymphocyte ratio (NLR) is a prognostic factor in patients with completely resected primary pulmonary sarcomatoid carcinoma.

Abstract:

Background:There has been controversy regarding prognostic factors for surgically resected primary pulmonary sarcomatoid carcinoma (PSC). Recently, several studies have shown that neutrophil-to-lymphocyte ratio (NLR) was a prognostic factor for various types of cancers from multiple organs. Therefore, we performed this study to evaluate whether NLR is related to prognosis after complete surgical resection of primary PSC. Methods:From Oct. 2003 to Sep. 2015, a total of 50 patients underwent surgical resection for primary PSC. After excluding patients with any history of other malignancy and incompletely resected cases, a total of 37 patients were included, and data were retrospectively collected and analyzed. Change in postoperative NLR and the initial NLR (ΔNLR) was calculated from the perioperative complete blood count (CBC) results. Results:Mean age of the cohort was 62.2±1.9 years, and 31 patients (83.8%) were male. Twenty patients (54.1%) were revealed as pN0. Overall 5-year survival rate was 50.3%. Seventeen patients (45.9%) had locoregional or distant metastases. Univariate survival analysis revealed age >70, ΔNLR >17 as risk factors for overall survival (P=0.009, 0.005) and disease-free survival (P=0.036, 0.018). Multivariate Cox-regression analysis revealed age >70 and ΔNLR >17 as independent risk factors for overall survival and ΔNLR >17 as the only independent risk factor for the disease-free survival. Conclusions:In patients with completely resected primary PSC, perioperative ΔNLR had a significant effect on the overall survival and disease-free survival. Older age was also an independent risk factor for overall survival.

journal_name

J Thorac Dis

authors

Seong YW,Han SJ,Jung W,Jeon JH,Cho S,Jheon S,Kim K

doi

10.21037/jtd.2019.02.02

subject

Has Abstract

pub_date

2019-03-01 00:00:00

pages

819-826

issue

3

eissn

2072-1439

issn

2077-6624

pii

jtd-11-03-819

journal_volume

11

pub_type

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