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There  are  three shortcomings  of this  method.  First,  the   fascicles.  Therefore,  a  fascicular  turnover  flap  from
          location and direction of the nerve graft are restricted   the distal buccal branch  was elevated to  reconnect
          because  the  nerve  graft  is  attached to the  ALT flap.   the nerve gap without tension. The paralyzed major
          Therefore,  a sufficient  length of the  nerve  graft  is   zygomatic muscle became active three months later. No
          required,  theoretically  increasing  time  to reinnervation.   control was provided.
          Second, the number  of branches of the LFCN varies   When a single branch is compromised, the pedicled great
          greatly  among  patients.  In  cases  in  which the  number
          of branches  is  fewer  than  that  required  for facial nerve   auricular nerve is  an option that causes no additional
          reconstruction, an additional free  nerve  graft  is  needed.   morbidity and which can be used with minimal additional
          Finally, if the recipient nerve is larger than the lateral   effort.
          femoral  nerve  branches  and the  nerve  has  to  be  cable   The best method for repair of multiple branches of the
          grafted, vascularization will be interrupted, resulting in a   facial nerve appears to be the LFCN graft without an
          mixed VNG/NVNG reconstruction.                      ALT component that restricts motion. Should the skin
                                                              or  adipose  tissue  component  of  the  ALT  be  needed
          Vascularized deep peroneal nerve graft              together with the nerve to replace soft tissues, the best
          Koshima  et  al.  reported a case in which a combined   solution is harvest as a chimera, based on a different
                      [39]
          anteroposterior tibial perforator‑based flap  was used   perforator than that nourishing the nerve, thus avoiding
          for the repair of a large facial  defect involving the facial   restrictions in nerve movement and allowing better
          nerve (10 cm nerve gap). The deep peroneal nerve of the   inset.  The  branching  of  the  nerve  allows  repair  of  up
          flap was interposed between the proximal stump and the   to three branches with adequate length and similar
          transected zygomatic and buccal branches of the facial
          nerve. The authors reported the subjective judgment of a   caliber. Using it with the ALT or SCIP requires an
          “considerable degree of facial animation” on the affected   exceedingly long graft and limits motion. An alternative
          side  eighteen  months  postoperatively.  The  disadvantages   for the reconstruction of all five branches, which to
          of  this  VNG  are  temporary  postoperative  edema,   our knowledge has not yet been utilized, is the long
                                                                           [48]
          hypoesthesia of the donor foot and a poor donor site scar   thoracic nerve.
          where skin has been harvested.                      Upper limb
                                                              Injuries  to the ulnar nerve are the  most  frequent,
          Deep peroneal, sural and vastus nerves              occurring  either in isolation or in association with the
          Kimata  et  al.  reported 10  cases of facial nerve              [49,50]
                      [38]
          reconstruction in which several types of VNGs were used   median nerve.   These injuries,  when compared to
          for reconstruction of multiple branches of the facial   radial and median nerve injuries,  are believed to have
          nerve. The nerves used were:  (1)  the free vascularized   the least favorable outcome among nerve injuries in the
                                                                            [51‑54]
          sural nerve graft, attached to a small peroneal monitoring   upper extremity.   Ulnar  nerve injuries  are the most
          flap and nourished by the peroneal vessels;  (2) the free   common at the wrist, forearm, or elbow, secondary to
          vascularized deep peroneal nerve graft attached to a small   trauma or entrapment.
          dorsalis pedis monitoring  flap and nourished by anterior   Recovery of intrinsic  muscles function is  more important
          tibial vessels;  (3) the free vascularized motor nerve of   than sensory restoration.  In their meta‑analysis,
                                                                                      [10]
          the  vastus lateralis muscle nourished by  the  descending   Ruijs et al.  reported that the chance of motor recovery
                                                                       [52]
          branch of the  lateral circumflex femoral vessels; and   in ulnar nerve injuries was 71%  lower than in median
          (4) the free vascularized lateral femoral nerve of the thigh   nerve  injuries.  Multivariate  logistic  regression  analysis
          combined with an ALT flap.                          showed that  age,  site  (intermediate  and high  showed
          In  4  patients,  the  functional recovery  of the  facial nerve   better results than low lesions), and delay between injury
          could not be assessed because of local tumor recurrence   and repair were significant predictors of successful motor
          soon after surgery. Results with the House‑Brackmann   recovery.  No significant  difference  was found between
          system  were grade  II in 1  patient  (vascularized sural   median and ulnar nerve injuries  regarding sensory
                [44]
          nerve), grade  III in 4  patients  (three vascularized deep   recovery. This is supported by other large studies. [53,55]  Age
          peroneal nerves and one vascularized motor nerve of the   and delay between injury and repair were found to be
          vastus  lateralis),  and grade  IV  in  1  patient  (vascularized   significant predictors for sensory recovery. [52]
          sural nerve). Results with the 40‑point  system  ranged
                                                  [45]
          from 20 to 28 points (mean score, 23 points). No control   Vascularized lateral femoral cutaneous nerve graft
                                                                          [40]
          was provided.                                       Koshima et al.  described a case of a 28‑year‑old woman
                                                              with  a wide massive  tumor resection of the  upper arm,
          Fascicular turnover method                          which resulted in a soft tissue defect that included 12 cm
          Koshima  et  al.  described the  “fascicular  turnover   long segments  of the  brachial artery and median  nerve.
                       [47]
          method”, in which a vascularized fascicular flap was   A  flow‑through  ALT  flap and  vascularized LFCN  graft
          used for repairing nerve gaps. A 3 cm facial nerve gap   were harvested with separate vascular  pedicles. Tinel’s
          was  repaired  with  this  technique  with  preservation  of   sign  reached the  wrist  joint  6  months  after  surgery.
          the zygomatic and marginal mandibular branches. The   Two and a half years  postoperatively,  moving  2‑point
          distal portion of the main buccal branch had three   discrimination  (PD) on the fingers  controlled by the


          Plast Aesthet Res || Vol 2 || Issue 4 || Jul 15, 2015                                             187
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