Venous thromboembolism risk factors and usefulness of a risk scoring system in lower limb orthopedic surgery: A case-control study in Japan

We previously developed a computerized clinical decision support system based on national consensus guidelines and previous studies. This system was used to assess the risk of venous thromboembolism. In this study, we examined the risk factors for venous thromboembolism in patients who underwent low...

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Bibliographic Details
Published in:Medicine (Baltimore) 2022-01, Vol.101 (4), p.e28622-e28622
Main Authors: Akamine, Akihiko, Takahira, Naonobu, Kuroiwa, Masayuki, Tomizawa, Atsushi, Atsuda, Koichirou
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Case-Control Studies
Female
Humans
Japan - epidemiology
Lower Extremity
Male
Middle Aged
Observational Study
Orthopedic Procedures - adverse effects
Postoperative Complications - epidemiology
Pulmonary Embolism - epidemiology
Pulmonary Embolism - etiology
Retrospective Studies
Risk Assessment
Risk Factors
Ultrasonography
Venous Thromboembolism - diagnostic imaging
Venous Thromboembolism - epidemiology
Venous Thromboembolism - etiology
Venous Thrombosis - epidemiology
Venous Thrombosis - etiology
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Summary:We previously developed a computerized clinical decision support system based on national consensus guidelines and previous studies. This system was used to assess the risk of venous thromboembolism. In this study, we examined the risk factors for venous thromboembolism in patients who underwent lower limb orthopedic surgery using our risk scoring system, to investigate the association between the total risk score and the occurrence of venous thromboembolism.We retrospectively evaluated the records of 649 patients who underwent lower limb orthopedic surgery at a tertiary care center in Japan between January 2015 and August 2018. Venous thromboembolism was confirmed using ultrasonography or computed tomography angiography. The computerized clinical decision support system was used throughout the hospitalization period. Independent risk factors for postoperative venous thromboembolism were identified using logistic regression analysis.Age (≥68 years) was significantly associated with an increased risk of venous thromboembolism (adjusted odds ratio: 1.06, 95% confidence interval: 1.03-1.09; P 
ISSN:0025-7974
1536-5964
DOI:10.1097/MD.0000000000028622