• Ji Hyun Park, Kyung Eun Lee, Yun Mi Yu, Youngja Hwang Park, and Soo An Choi.
• College of Pharmacy, Korea University, Sejong-si, Republic of Korea.
• World Neurosurg. 2019 Aug 1; 128: e289-e307.

BackgroundData regarding the incidence of venous thromboembolism (VTE) after spine surgery are scarce. Identifying ideal candidates for pharmacologic thromboprophylaxis and balancing the risk of thromboembolic complications against the risk of permanent neurologic deficits from a spinal epidural hematoma (SEH) are difficult. Even guidelines cannot suggest the standard of thromboprophylaxis.ObjectivesThis study aimed to identify the incidence of and risk factors for VTE after spine surgery in the Korean population. In addition, the rate of pharmacoprophylaxis and the incidence of SEH after spine surgery were analyzed.MethodsThe study cohort was generated by extracting patients with disease codes of spine surgery and VTE from the Health Insurance Review & Assessment Service National Inpatient Sample in 2014. After analyzing the incidence of VTE after spine surgery, a univariate comparison was performed to examine the possible relationship between the incidence of VTE and the independent variable. Variables found to be significant were included in a multivariable analysis model for further analysis.ResultsThe incidence of VTE was 2.09% among all 21,261 patients who had spine surgery, and prophylaxis was applied to 7.89% of all patients who had spine surgery. Comorbidities and surgery-related risk factors were venous disease, cancer, respiratory disease, prolonged surgery hours, and increased total blood loss. Hospital-related risk factors were the location and hospital size.ConclusionsOn the basis of the incidence of VTE and the risk factors, more active prophylaxis is suggested for patients in the Korean population who undergo spine surgery.Copyright © 2019 Elsevier Inc. All rights reserved.

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