Background Distal digital replantation and revascularisation remains one of the demanding microsurgical procedures due to the difficulty of vascular anastomosis. Venous congestion is the most commonly encountered problem after replantation due to the difficulty of venous anastomosis in traumatic injuries. Heparin, among other drugs, is commonly used to facilitate venous drainage and prevent thrombosis. However, systemic heparin can be contraindicated in some patients. The senior author has experience of subcutaneous heparin injection for venous congestion in thirteen patients.
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