Journal of Pharmacy Practice 2019-Jul
Evaluating Time to In-Hospital Venous Thromboembolism in Obese Patients.
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BACKGROUND
Currently, no consensus approach exists for optimal venous thromboembolism (VTE) prophylaxis in obese (BMI ≥30 kg/m2) patients. Time to development of in-hospital VTE is not well studied. Objective: This study evaluates time to in-hospital VTE in obese patients.METHODS
A single-center, retrospective study evaluated obese patients that developed an in-hospital VTE. Patients were categorized into 3 BMI groups: 30 to 34.9 (group 1), 35 to 39.9 (group 2), and ≥40 (group 3) kg/m2. The primary end point compared time to VTE between the groups.RESULTS
A total of 246 patients were included, and time to VTE was similar between the groups, 8 (group 1) versus 8 (group 2) versus 9 days (group 3); P = .38. Secondary outcomes showed time to VTE was shorter in acute care versus ICU patients (7.5 vs 10 days; P = .01), nonsurgical versus surgical patients (6 vs 9 days; P = .004), and no prophylaxis versus mechanical plus pharmacologic prophylaxis (4.5 vs 9 days; P < .001).