The Effects of Body Mass Index on Efficacy of Intermittent Pneumatic Compression
Abstract
Objectives: The aim of our study was to compare the efficacy of intermittent pneumatic compression on venous hemodynamics in individuals with different body mass indexes (BMIs).
Materials and Methods: The study included a total of 48 healthy volunteers. The participants were classified into three groups according to their BMIs as <24.9 kg/m2
(group I), 25-29.9 kg/m2 (group II), and >30 kg/m2 (group III). The measurements of pulse, arterial blood pressure and oxygen saturation were made, and venous ultrasonography was performed by the investigator. The measurements were repeated at the 30th minute of intermittent pneumatic compression. Vena femoralis communis (common femoral vein) (VFC) vein flow dynamics were evaluated 1-1.5 cm proximal to the junction of the VFC and great saphenous vein.
Results: The increases observed in the peak systolic flow rates of both right and left VFC in groups I and II were found to be significantly higher compared to those observed in group III at the 30th minute of intermittent pneumatic compression application. (p<0.001, p=0.012, and p=0.049, respectively)
Conclusion: We demonstrated that intermittent pneumatic compression application increased the femoral venous flow; however, this effect changed among individuals with different BMIs. We believe that BMI should be considered as an independent risk factor in patients for whom venous thromboembolism prophylaxis has been planned, which is frequently encountered in emergency units, and that providing the same effect in individuals with different physical properties is important in planning the prophylaxis.
Keywords
Venous Thromboembolism, Pneumatic Compression, Femoral Vein, Ultrasonography
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