Minimally Invasive Total Hip Arthroplasty
     

Minimally invasive total hip arthroplasty is a relatively unexplored procedure. The surgeon makes one or two small incisions instead of one large one to try to reduce muscle and tendon trauma, infection rates, and lengthy scars left behind by regular THA. Because of this, the surgeonís vision of the anatomy is limited to an area as small as 5 in2. Minimally invasive hip arthroplasty requires the use of novel surgical instruments, like C-Arm and Intraoperative Monitoring (IOM), to facilitate exposure and guide placement of the prosthesis. Similar to the way C-Arm is used to increase the surgeonís skeletal vision, IOM is used to increase the surgeonís vision of the nervous system. The IOM specialist watches for delays and shifts in cortical/subcortical evoked potentials to ensure the surgeon never damages or cuts off blood supply to the Femoral Nerve.

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