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The replantation of amputated extremities is justified only by the ultimate good function and appearance of the replanted part. This paper is a critical review of our clinical experience with forearm replantation and revascularization in 6 patients over the past ten years. All replanted parts survived. The long-term functional results of the forearm replants are analyzed. Return of function depends on nerve regeneration. The functional outcome in the first patient was unsatisfactory due to poor motor and sensory return. Specific attention directed to careful primary neurorrhaphy in subsequent cases yielded favorable results. We believe that two factors in particular are central in achieving good functional results in forearm replantation--careful repair of the severed major peripheral nerves, and postoperative hand rehabilitation programs.