D-dimer cut-off value for predicting venous thromboembolism at the initial diagnosis in Japanese patients with advanced lung cancer.

IF 1.9 4区 医学 Q3 ONCOLOGY
Keita Kawakado, Yukari Tsubata, Takamasa Hotta, Masahiro Yamasaki, Nobuhisa Ishikawa, Takeshi Masuda, Tetsuya Kubota, Kunihiko Kobayashi, Takeshi Isobe
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Abstract

Objective: Cancer is a well-known risk factor for venous thromboembolism. The D-dimer level is used to predict venous thromboembolism; however, reports on an appropriate D-dimer cut-off value in Japanese patients with advanced lung cancer are lacking. Therefore, this study aimed to calculate the D-dimer cut-off value for venous thromboembolism at the time of lung cancer diagnosis.

Methods: The Rising-venous thromboembolism/NEJ037 study was a multicenter, prospective observational study. Patients with lung cancer who were contraindicated for radical resection or radiation were enrolled and followed up for 2 years. In the present study (jRCT no. 061180025), a receiver operating characteristic curve for D-dimer levels was created using the dataset of the Rising-venous thromboembolism/NEJ037 study.

Results: The Rising-venous thromboembolism/NEJ037 study included a total of 1008 patients, of whom 976, whose D-dimer levels had been measured at the time of cancer diagnosis, were included in the present study. At the time of lung cancer diagnosis, 62 (6.3%) and 914 (93.7%) patients presented with and without venous thromboembolism, respectively. The D-dimer values ranged from 0.1 to 180.1 μg/ml and from 0.1 to 257.2 μg/ml in patients with and without venous thromboembolism, respectively. The receiver operating characteristic curve was discriminative with a cut-off value of 3.3 μg/ml and an area under the curve of 0.794 (sensitivity, 0.742; specificity, 0.782; 95% confidence interval, 0.725-0.863).

Conclusions: This is the first study to calculate the D-dimer cut-off value in Japanese patients with advanced lung cancer. Patients with D-dimer levels ≥3.3 μg/ml at the time of initial diagnosis may have coexisting venous thromboembolism.

日本晚期肺癌患者初诊时预测静脉血栓栓塞的D-二聚体临界值。
目的:癌症是众所周知的静脉血栓栓塞风险因素。D-二聚体水平可用于预测静脉血栓栓塞;然而,有关日本晚期肺癌患者的适当 D-二聚体临界值的报告却缺乏。因此,本研究旨在计算肺癌诊断时静脉血栓栓塞的 D-二聚体临界值:Rising-venous thromboembolism/NEJ037 研究是一项多中心、前瞻性观察研究。有根治性切除术或放射治疗禁忌症的肺癌患者被纳入研究,并接受为期两年的随访。在本研究(jRCT 编号:061180025)中,利用 Rising-venous 血栓栓塞症/NEJ037 研究的数据集绘制了 D-二聚体水平的接收器操作特征曲线:Rising-静脉血栓栓塞症/NEJ037研究共纳入了1008名患者,其中976名患者在癌症诊断时测定了D-二聚体水平。在确诊肺癌时,分别有 62 名(6.3%)和 914 名(93.7%)患者出现和未出现静脉血栓栓塞。有静脉血栓栓塞和无静脉血栓栓塞患者的 D-二聚体值范围分别为 0.1 至 180.1 μg/ml 和 0.1 至 257.2 μg/ml。接收器操作特征曲线具有鉴别性,临界值为 3.3 μg/ml,曲线下面积为 0.794(灵敏度为 0.742;特异性为 0.782;95% 置信区间为 0.725-0.863):这是首个计算日本晚期肺癌患者D-二聚体临界值的研究。初步诊断时D-二聚体水平≥3.3 μg/ml的患者可能同时患有静脉血栓栓塞症。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
3.70
自引率
8.30%
发文量
177
审稿时长
3-8 weeks
期刊介绍: Japanese Journal of Clinical Oncology is a multidisciplinary journal for clinical oncologists which strives to publish high quality manuscripts addressing medical oncology, clinical trials, radiology, surgery, basic research, and palliative care. The journal aims to contribute to the world"s scientific community with special attention to the area of clinical oncology and the Asian region. JJCO publishes various articles types including: ・Original Articles ・Case Reports ・Clinical Trial Notes ・Cancer Genetics Reports ・Epidemiology Notes ・Technical Notes ・Short Communications ・Letters to the Editors ・Solicited Reviews
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