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Updated: Jun 24, 2025
A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis
Published on: June 2, 2015
Risk factors for deep vein thrombosis after traumatic lower extremity fracture: A systematic review and meta-analysis
Xiaoliang Qian1, Yinping Ge, Jian Luo
1Department of Orthopaedics, The First People's Hospital of Linping District of Hangzhou, Hangzhou City, China.
Background:
The study aimed to predict the risk factors of deep vein thrombosis of lower extremity after traumatic fracture of lower extremity, so as to apply effective strategies to prevent deep vein thrombosis of lower extremity, improve survival rate, and reduce medical cost.
Methods:
The English and Chinese literatures published from January 2005 to November 2023 were extracted from PubMed, Embase, Willey Library, Scopus, CNKI, Wanfang, and VIP databases. Statistical analysis was performed using Stata/SE 16.0 software.
Results:
A total of 13 articles were included in this paper, including 2699 venous thromboembolism (VTE) patients and 130,507 normal controls. According to the meta-results, 5 independent risk factors can be identified: history of VTE was the most significant risk factor for deep vein thrombosis after traumatic lower extremity fracture (risk ratio [RR] = 6.45, 95% confidence interval [CI]: 1.64-11.26); age (≥60) was the risk factor for deep vein thrombosis after traumatic lower extremity fracture (RR = 1.60, 95% CI: 1.02-2.18); long-term braking was a risk factor for deep vein thrombosis after traumatic lower extremity fracture (RR = 1.52, 95% CI: 1.11-1.93); heart failure was a risk factor for deep vein thrombosis after traumatic lower extremity fracture (RR = 1.92, 95% CI: 1.51-2.33); obesity was a risk factor for deep vein thrombosis after traumatic lower extremity fracture (RR = 1.59, 95% CI: 1.35-1.83).
Conclusion:
The study confirmed that the history of deep vein thrombosis, age (60 + years), previous history of VTE, obesity, prolonged bed rest, and heart failure are all associated with an increased risk of VTE. By identifying these significant risk factors, we can more intensively treat patients at relatively high risk of VTE, thereby reducing the incidence of VTE. However, the limitation of the study is that the sample may not be diversified enough, and it fails to cover all potential risk factors, which may affect the universal applicability of the results. Future research should include a wider population and consider more variables in order to obtain a more comprehensive risk assessment.
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