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Reconstruction of a long defect of the median nerve with a free nerve conduit flap

  • Campodonico, Andrea (Department of Reconstructive Surgery and Hand Surgery, AOU Ospedali Riuniti di Ancona) ;
  • Pangrazi, Pier Paolo (Department of Reconstructive Surgery and Hand Surgery, AOU Ospedali Riuniti di Ancona) ;
  • De Francesco, Francesco (Department of Reconstructive Surgery and Hand Surgery, AOU Ospedali Riuniti di Ancona) ;
  • Riccio, Michele (Department of Reconstructive Surgery and Hand Surgery, AOU Ospedali Riuniti di Ancona)
  • Received : 2019.05.27
  • Accepted : 2019.10.18
  • Published : 2020.03.15

Abstract

Upper limb nerve damage is a common condition, and evidence suggests that functional recovery may be limited following peripheral nerve repair in cases of delayed reconstruction or reconstruction of long nerve defects. A 26-year-old man presented with traumatic injury from a wide, blunt wound of the right forearm caused by broken glass, with soft tissue loss, complete transection of the radial and ulnar arteries, and a large median nerve gap. The patient underwent debridement and subsequent surgery with a microsurgical free radial fasciocutaneous flap to provide a direct blood supply to the hand; the cephalic vein within the flap was employed as a venous vascularized chamber to wrap the sural nerve graft and to repair the wide gap (14 cm) in the median nerve. During the postoperative period, the patient followed an intensive rehabilitation program and was monitored for functional performance over 5 years of follow-up. Our assessment demonstrated skin tropism and sufficient muscle power to act against strong resistance (M5) in the muscles previously affected by paralysis, as well as a good localization of stimuli in the median nerve region and an imperfect recovery of two-point discrimination (S3+). We propose a novel and efficient procedure to repair >10-cm peripheral nerve gap injuries related to upper limb trauma.

Keywords

References

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