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Association between antithrombotic therapy and risk of postoperative complications among patients undergoing
Kodai Takahashi1, Hideto Ito1, Toshio Katsube1
1Department of Surgery, New-Tokyo Hospital, Chiba, Japan.
Background:
The aim of the study was to evaluate the clinical results and postoperative complications, especially recanalization or bleeding complications, in patients with saphenous varicose veins undergoing endovenous laser ablation (EVLA) while receiving antithrombotic therapy (ATT).
Methods:
This retrospective cohort study included 1136 Japanese patients undergoing EVLA with a 980-nm diode laser between January 2012 and November 2015 at our institution. The patients were divided into two groups: ATT users (ATT group) and nonusers (control group). The ATT group was further divided into two subgroups according to whether the patients received antiplatelet or anticoagulant therapy. Clinical outcomes and postoperative complications among these patients were assessed.
Results:
Approximately 20% of the patients undergoing surgery for saphenous varicose veins at our institution received ATT. Of these, 141 (12.4%) received antiplatelet therapy and 95 (8.4%) received anticoagulant therapy. Successful occlusion of the full length of the treated vein was achieved in 99.9% of the patients; there were no severe perioperative complications. Endovenous heat-induced thrombosis occurred in 2.4% of patients, whereas postoperative complications developed in 1.2% of patients. One patient experienced recanalization (0.08%). There were no significant between-group differences in the incidence of recanalization and postoperative complications on univariate analysis.
Conclusions:
The clinical outcomes and postoperative complications of EVLA in the ATT group were equivalent to those in the control group, indicating that EVLA can be safely performed in patients receiving ATT.