Hidden Burden of Venous Thromboembolism After Trauma: A National Analysis

Background Trauma patients are at increased risk for venous thromboembolism (VTE). One in four trauma readmissions occur at a different hospital. There are no national studies measuring readmissions to different hospitals with VTE following trauma. Thus, the true national burden in trauma patients readmitted with VTE is unknown and can provide a benchmark to improve quality of care. Methods The Nationwide Readmission Database (2010-2014) was queried for patients ≥18 years non-electively admitted for trauma. Patients with VTE or IVC filter placement on index admission were excluded. Outcomes included 30-day and 1-year readmission to both index and different hospitals with a new diagnosis of VTE. Multivariable logistic regression identified risk factors. Results were weighted for national estimates. Results Of the 5,151,617 patients admitted for trauma, 1.2% (n=61,800) were readmitted within one year with VTE. Of those, 29.6% (n=18,296) were readmitted to a different hospital. Risk factors for readmission to a different hospital included: index admission to a for-profit hospital (OR 1.33 [1.27-1.40], p7 days (OR 1.12 [1.07-1.18], p

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