Table 24Characteristics of studies of IVC filters among patients undergoing bariatric surgery

Author, YearDesignArmNMean Age, YearsMale,%Body Mass Index, kg/m2
Controlled Observational Studies
Birkmeyer, N. J., 2010149Retrospective CohortFilter542NR30>50 in 72%
No filter5834NR19>50 in 34%
Gargiulo, N.J., 2006135Retrospective-ProspectiveFilter58NR41.3>55 in 100%
No filter351NR>55 in 12%
Li, W., 2012136Retrospective CohortFilter3224731.445.3
No Filter968064621.144.5
Obeid, F. N., 2007138Retrospective CohortFilter24646.623.660
No filter184744.71448.8
Overby, D. W., 2009139Retrospective CohortFilter160NR14.5551.42
No filter170NR
Uncontrolled Observational Studies
Kardys, C. M. 2008137Retrospective CohortFilter3142NR71.2
Piano, G., 2007134Prospective CohortFilter59431761
Schuster, R., 2007140Retrospective CohortFilter2449.858.3>50 in 88%
Van Ha, T. G., 2011142Retrospective CohortFilter94560>50
Vaziri, K., 2010141Retrospective CohortFilter41482958.4
Case Reports of Filter Complications
Schweitzer, M., 2006147Case reportFilter163Female45
Veerapong J., 2008148Case reportFilter131Male74

BMI = body mass index; N = number; NR = not reported

From: Results

Cover of Pharmacologic and Mechanical Prophylaxis of Venous Thromboembolism Among Special Populations
Pharmacologic and Mechanical Prophylaxis of Venous Thromboembolism Among Special Populations [Internet].
Comparative Effectiveness Reviews, No. 116.
Singh S, Haut ER, Brotman DJ, et al.

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