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  • High D-dimer levels...

High D-dimer levels tied to higher risk of VTE and death in lung cancer: Study

Dr. Shravani DaliWritten by Dr. Shravani Dali Published On 2022-03-28T11:30:57+05:30  |  Updated On 2022-03-28T13:34:04+05:30
High D-dimer levels tied to higher risk of VTE and death in lung cancer: Study
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High D-dimer levels (vs low levels) are tied to a higher risk for lung cancer death, according to a recent study published in the Frontiers of Medicine.

D-dimer is a fibrin-degrading substance that is soluble and whose degradation is produced by plasma protein-mediated degradation of cross-linked fibrin. Previous investigations have shown a link between D-dimer and mortality in lung cancer patients. However, different investigations varied whether D-dimer could predict prognosis in these patients.

A meta-analysis and systematic review of all available cohort studies were performed on the link between circulating D-dimer levels and survival of lung cancer patients. Relevant studies were searched in Embase, Cochrane Library, and PubMed databases. Data from 540 lung cancer patients from the First Hospital of Soochow University and Sichuan Cancer Hospital were used for external validation.

Results:

Researchers finally obtained 19 eligible cohort studies with pooled HR showing that high D-dimer levels contribute to death in tumor group (HR 1.62, 95% CI: 1.39-1.88, I2 = 75.0%). Further stratified analysis showed that higher circulating D-dimer in the advanced lung cancer group was linked to a 1.91-fold risk (HR = 2.91, 95% CI: 2.24-3.78, I2 = 6.0%). Incorporation of other variables, including days of follow-up, country, design, public year, population, disease status, and quality score, into the meta-regression model, indicated that disease status was an additional source of heterogeneity (p < 0.001). External validation of 540 patients also showed that high levels of D-dimer showed a higher risk of overall mortality (HR 1.39, 95% CI: 1.13-1.72, p = 0.002) and VTE events (HR 3.98, 95% CI: 1.99-8.70, p = 0.002) in lung cancer patients.

Thus, high circulating plasma D-dimer levels independently predict long-term prognosis and the risk of venous thromboembolism in lung cancer.

Reference:

Circulating D-dimers Increase the Risk of Mortality and Venous Thromboembolism in Patients with Lung Cancer: A Systematic Analysis Combined With External Validation by Jing Li et al. published in the Frontiers of Medicine.

https://pubmed.ncbi.nlm.nih.gov/35308559/


Keywords:

High D-dimer levels, low D-dimer levels, risk factors, lung cancer, death, Circulating D-Dimers, D-dimer; VTE, lung cancer, meta-analysis, mortality, Jing Li 1, Shanle Yan, Xiaohui Zhang, Mengqi Xiang, Chuanhua Zhang, Ling Gu, Xiaoying Wei, Chuanyun You, Shenhua Chen, Daxiong Zeng, Junhong Jiang, Frontiers in Medicine, Venous Thromboembolism

Venous Thromboembolism high D-dimer levels lung cancer death Frontiers in Medicine 
Source : Frontiers of Medicine
Dr. Shravani Dali
Dr. Shravani Dali

    BDS

    Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.

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