Microvascular thrombolysis to salvage a free flap using human recombinant tissue plasminogen activator.
Journal of reconstructive microsurgery(1989)
Abstract
Nonsurgical thrombolysis using tissue plasminogen activator (t-PA) in conjunction with intravenous heparin infusion was successfully used to salvage a free flap with acutely decreased arterial inflow thought to be due to anastomotic thrombosis. Intravenous infusion (12 mg/hr) of t-PA was stopped after 15 min of therapy when spontaneous bleeding was noted at the groin flap donor site. Concomitant treatment with intravenous heparin resulted in rapid improvement of flap perfusion and ultimately complete survival without surgical intervention. This report suggests that in selected cases, target-specific anticoagulant therapy may be beneficial in salvaging microvascular reconstructions complicated by thrombosis. Further experience is warranted to define more clearly the role, the risks, and the extended benefits of this new mode of nonsurgical therapy.
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