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md:2020assh_trauma

ASSH 2020 Precourse

Hari - bridging long nerve gaps

  • nerve grafts - kids - good sensation, sometimes motor
  • running the nerve
  • combined nerve - do to both median and ulnar nerve
  • extensor only to MCPJ

Safa: Composite flaps

  • one or more flaps?
  • 3 flaps for thumb at base
    • ALT → fibula with spacer for CMCJ (floating) → toe
  • simultaneous flap
    • alternatives to ALT – RFF flap
    • multiple E2S used along radial artery
  • Radius bone defect
    • mutliple lattissimus plus fibula for radius
  • alternatives to fibula for length - 2nd toe / 2nd MC and big toe

Ko: Targeted Muscle Reinnervation

  • TMR - neural signals still exists → myoelectric
  • TMR nerve transfers
    • pain - neuroma better 58% to 4% - Souza CORR 2014
    • 23/26 patients (89%) able to wear prosthesis throughout the day
    • phantom limb pain is better - annals of surgery

Example transfer

  • median to ain
  • ulnar to fcu
  • dsrbn to fds

acute TMR

  • pain control
  • first 2-3 weeks
  • ue and LE
  • can't have proximal nerve injury

Raja: When to stop

* basic hand function can be achieved – we are only competing with prosthesis and transplantation

  • 'basic' hand - thumb and post

things that made a difference

  • radical deb
  • emergency micro
  • ? later surgery

what is required

  • skill levels
  • time – multi-staged procedures
  • resources
    1. → if one component is not available –> no more

Site specific

  • What is 'no more' in one centre, can become 'yes we can' in another center
  • yes to no conditions
    • infection
      • reduced quality of outcome
      • increases cost
      • increases time frame of treatment
  • all components but say no
  • life at risk or more morbidity – major replant sick at 5 days (SpO2 100) – muscle necrosis –> amputate
  • - polytrauma – “triage”
  • e micro
  • secondary procedures
  • low threshold for seeking help
md/2020assh_trauma.txt · Last modified: 2020/08/12 04:32 by admin