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Published on: December 9, 2022
Clinical risk factors to predict deep venous thrombosis post-endovenous laser ablation of saphenous veins
1Vascular Center, University of California, Davis Medical Center, Sacramento, CA.
Objective:
Endovenous laser ablation of saphenous veins is an alternative in treating symptomatic varicose veins. Deep venous thrombosis (DVT) has been reported in up to 7.7% of patients undergoing such procedure. We sought to establish clinical risk factors that predict DVT post-endovenous laser ablation.
Method:
Patients who underwent endovenous laser ablation were prospectively followed. Clinical data and post-interventional duplex ultrasound were analysed. A P value <0.05 was accepted as representing a significant difference.
Results:
From 2007 to 2008, 360 consecutive patients were followed. Nineteen DVTs were found on follow-up ultrasound. Eighteen cases involved either the saphenofemoral or saphenopopliteal junctions; only one case involved the deep venous system. Age >66 (P = 0.007), female gender (P = 0.048) and prior history of superficial thrombophlebitis (SVT) (P = 0.002) were associated with increased risk of DVT postprocedure.
Conclusion:
Age >66, female gender and history of SVT were significant predictors of DVT post-endovenous laser ablation of saphenous veins.
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