Two sides of the coin: coagulation and inflammation in deep vein thrombosis – a prospective study on D-dimer and SIRI

Kahraman, E, Cetin, S, Cetin, M and Ulgen, A ORCID: https://orcid.org/0000-0002-0872-667X, 2025. Two sides of the coin: coagulation and inflammation in deep vein thrombosis – a prospective study on D-dimer and SIRI. Frontiers in Medicine, 12: 1604286. ISSN 2296-858X

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Abstract

Background: Deep vein thrombosis (DVT) is a major cause of morbidity and mortality, including pulmonary embolism and post-thrombotic syndrome. This study aimed to assess the effectiveness of inflammatory indices, derived from routine laboratory parameters, in predicting DVT.

Method: In this prospectively designed study, patients diagnosed with DVT through Doppler ultrasound at a tertiary healthcare center between December 2024 and February 2025, along with a control group confirmed to be DVT-free by Doppler ultrasound, were analyzed. Blood markers such as D-dimer, CRP, IL-6, and inflammatory indices (SIRI, MHR, PLR) were compared between groups. Statistical tests included chi-square, t-tests, logistic regression, and ROC curve analysis. Diagnostic performance was measured using odds ratios (ORs) with 95% confidence intervals (CIs).

Result: Inflammatory markers (SIRI, MHR, D-dimer, CRP, IL-6) were significantly elevated in DVT cases. SIRI demonstrated high diagnostic accuracy (AUC: 0.934) with a threshold of 0.97. Combined SIRI and D-dimer analyses yielded 93% positive and 100% negative predictive accuracy.

Conclusion: This study demonstrated that inflammatory markers, particularly SIRI, were elevated in patients with deep vein thrombosis (DVT) and carried high predictive value in this patient group. The combined use of SIRI and D-dimer provided high diagnostic accuracy for DVT. SIRI, a low-cost index calculable through routine blood tests, was shown to be more effective than other inflammatory markers in predicting DVT. Additionally, the combination of SIRI and D-dimer yielded high positive and negative predictive values for DVT diagnosis.

Item Type:	Journal article
Publication Title:	Frontiers in Medicine
Creators:	Kahraman, E., Cetin, S., Cetin, M. and Ulgen, A.
Publisher:	Frontiers Media SA
Date:	11 August 2025
Volume:	12
ISSN:	2296-858X
Identifiers:	Number Type 10.3389/fmed.2025.1604286 DOI 2519465 Other
Rights:	© 2025 Kahraman, Cetin, Cetin and Ulgen. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Divisions:	Schools > School of Science and Technology
Record created by:	Jeremy Silvester
Date Added:	30 Oct 2025 16:13
Last Modified:	30 Oct 2025 16:13
URI:	https://irep.ntu.ac.uk/id/eprint/54649

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