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Influence of body mass index on saphenous venous diameter in chronic venous insufficiency patients of rural wardha.

Authors:Smita R. Sorte, Lalitbhushan Waghmare , Pankaj Banode , Tripti Srivastava , Dalia A. Biswas
Int J Biol Med Res. 2012; 3(4): 2565-2569  |  PDF File

Abstract

Background: - Increased Body mass index is a known risk factor in development of chronic venous insufficiency. Gold standard treatment for chronic venous insufficiency is Endovenous Laser ablation but still failures in the treatment are seen. Laser Energy used in the EVLT is calculated depending upon the diameter. But if we come to know about the variation in the diameter which is due to body mass index, then the laser energy may be calculated taking into consideration BMI along with the diameter. Aims: - In this study we want to know the variation in saphenous venous diameter due to body mass index in chronic venous insufficiency patients of rural Wardha. Method: A cross sectional type of observational study was done on 57 patients with CVI with incompetent sapheno-femoral junction. Height and weight of the patient was measured and BMI was calculated as wt/ht2. The diameter of the great saphenous vein was measured by B scanning USG and colour Doppler unit. Results: Positive correlation was found by Pearson correlation test between BMI (mean=21.31kg/mt2) and saphenous venous diameter in supine position (mean=4.7mm). 20% variation observed in diameter in supine is due to the increased BMI. By linear regression analysis, standardized coefficient was found to be BMI=0.447 DS (t=3.705, P<0.01). Positive correlation was found between BMI (mean=21.31kg/mt2) and saphenous venous diameter on Valsalva maneuver (mean=8.2mm). 9.5% variation observed in diameter on Valsalva maneuver is due to the Body mass index. Standardized coefficient was found to be “BMI=0.308 DV” (t=2.402, P<0.01). Conclusion: We showed that BMI is responsible for 20% increase in saphenous venous diameter in supine position and 9.5% increase in saphenous venous diameter on Valsalva maneuver in patients with chronic venous insufficiency.