Usefulness of Preoperative Plasma Fibrinogen Versus Other Prognostic Markers for Predicting Gastric Cancer Recurrence

Masaaki Yamamoto, Yukinori Kurokawa, Yasuhiro Miyazaki, Tomoki Makino, Tsuyoshi Takahashi, Makoto Yamasaki, Kiyokazu Nakajima, Shuji Takiguchi, Masaki Mori, Yuichiro Doki

研究成果: ジャーナルへの寄稿学術誌査読

25 被引用数 (Scopus)


Background: Hypercoagulation is associated with tumor progression and metastasis in various types of malignancy. We compared the prognostic value of preoperative plasma fibrinogen level with those of other prognostic markers in patients with gastric cancer and assessed whether fibrinogen level was an independent prognostic indicator. Methods: We collected preoperative data from 609 consecutive patients with gastric cancer who underwent curative gastrectomy. A receiver operating curve (ROC) was used to compare the sensitivity and specificity of carcinoembryonic antigen (CEA), carbohydrate antigen 19-9 (CA19-9), C-reactive protein (CRP), platelet count, platelet-to-lymphocyte ratio (PLR), neutrophil-to-lymphocyte ratio (NLR), and fibrinogen level in predicting recurrence. Recurrence-free survival (RFS) and overall survival (OS) were compared between the normal and high fibrinogen groups. Results: In the ROC analysis, the area under the curve (AUC) was 0.534 for CEA, 0.552 for CA19-9, 0.587 for CRP, 0.565 for platelet count, 0.567 for PLR, 0.522 for NLR, and 0.692 for fibrinogen. Plasma fibrinogen level increased with tumor stage. The high fibrinogen (≥350 mg/dl) group had significantly worse RFS (p < 0.001) and OS (p < 0.001) than the normal fibrinogen (<350 mg/dl) group. Cox multivariate analysis of RFS revealed that fibrinogen level was an independent prognostic factor (p < 0.001) in addition to sex, pT stage, and pN stage. Conclusions: Preoperative plasma fibrinogen level had the highest predictive value for recurrence among seven known prognostic markers. Since fibrinogen level is an independent factor for RFS, it would be useful for predicting prognosis after gastric cancer surgery.

ジャーナルWorld journal of surgery
出版ステータス出版済み - 8月 1 2016

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