Crush Injury to the Arm

Arm_crush_Soft_tissue_injury

The Mangled Extremity team was contacted about a man that sustained a work-related injury when he fell while working on a road construction crew. His arm was pinned under the road compacting machine for a number of minutes.  He was taken emergently to a trauma center and after he was stabilized the Extremities at Risk team was contacted. He was transferred to Presbyterian/St. Luke's Medical Center for care of his arm. The image to the right shows the soft tissue loss on the top surface of his arm. His hand is swollen from the injury.

 

 

 

 

 

He was taken to surgery immediately because he was developing a compartment syndrome.  This is common in an injury as severe has the one he sustained. If the pressure in the compartment isn't released urgently there is a high possibility of damage to the muscles that control the wrist and hand.  The tip of his index and little fingers were amputated because they were crushed during the accident.

 

Arm_crush_Initial_xray Arm_Crush_Intraop_image
  Initial x-rays showing fractures in
  both bones of the forearm.

  Intraoperative photo showing the
  external fixation placed to hold the

  fractures in place, and opening of

  the forearm to relieve pressure that 
  resulted from the injury. 
  Antibiotic beads are seen in the
  area to help fight possible infection
  due to the extent of the injury.

 

Six days later he was taken back to the operating room for internal fixation of the fractures and reconstruction of the soft tissue that was injured. 

 

Arm_crush_Intraop_prep_for_recon Arm_crush_Intraop_rectus_in_place Arm_Crush_Intraop_rectus_with_mesh
  External fixation removed,
  forearm fractures are plated
  (not visible),
  soft tissue is prepped for
  muscle flap.
  Rectus abdominus muscle
  (from stomach area) is placed
  into the area of injury on
  the forearm.
  Skin mesh placed over
  the flap for coverage.

 

He did well after leaving the hospital and was able to start rehabilitation with the hand therapist. 

 

MExt_AP_xray_6_months Arm_crush_Soft_tissue_image_6_montha Arm_Crush_Function_6months
  X-ray 6 months later
  showing internal
  plates for the
  forearm fractures.
  Picture of forearm where rectus
  muscle flap was placed. The muscle
  flap contracts over a few weeks.
  Patient demonstrating bending his
  wrist.

 

After approximately 8 months he was able to return to a lighter duty construction job without difficulty.