Surgical Approaches for Hip Replacement
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Questions and Answers

Which nerve is not directly mentioned as being relevant to Total Hip Arthroplasty (THA)?

  • Obturator nerve
  • Lateral femoral cutaneous nerve
  • Sciatic nerve (correct)
  • Femoral nerve

    • What is the gold standard material for the Metal or Ceramic-On-Polyethylene component of THA implants?

  • Metal
  • Ceramic
  • Polyethylene (correct)
  • Acetabulum shell

    • Which THA fixation method is indicated for older individuals with poor bone quality and a history of inflammatory arthritis?

  • Cement fixation (correct)
  • Cementless fixation
  • Hybrid fixation
  • Metal-on-metal fixation

    • What is a major advantage of cementless fixation in THA?

    <p>Interlocking fit between cancellous bone and prosthesis</p> Signup and view all the answers

    What is a significant disadvantage of cement fixation in THA?

    <p>Development of osteolysis</p> Signup and view all the answers

    Which component is part of the Total Hip Arthroplasty Implants?

    <p>Acetabular Component</p> Signup and view all the answers

    Which muscle is NOT mentioned as relevant to a Total Hip Arthroplasty?

    <p>Rectus femoris</p> Signup and view all the answers

    What is the primary goal of Total Joint Arthroplasty (TJA)?

    <p>To relieve pain, improve function, correct deformity, preserve independent lifestyle, and contribute to psychological well-being</p> Signup and view all the answers

    Between 2005 & 2030, what is the expected percentage increase in Total Knee Arthroplasty (TKA) in the US?

    <p>673%</p> Signup and view all the answers

    Who is credited with creating the first mold arthroplasty out of glass?

    <p>Marius Smith Petersen</p> Signup and view all the answers

    Which condition is listed as an indication for Total Hip Arthroplasty (THA)?

    <p>Bony ankylosed joint</p> Signup and view all the answers

    What are the common clinical presentations of hip arthritis?

    <p>Potential Trendelenburg gait pattern and loss of motion/decreased flexibility</p> Signup and view all the answers

    Who is considered the father of the modern Total Hip Arthroplasty?

    <p>John Charley</p> Signup and view all the answers

    What percentage increase is expected for Total Hip Arthroplasty (THA) between 2005 & 2030 in the US?

    <p>174%</p> Signup and view all the answers

    What is a potential disadvantage of the posterolateral approach in hip surgery?

    <p>Increased risk of nerve damage</p> Signup and view all the answers

    Why are the gluteus maximus, medius, and minimus spared in the posterolateral approach?

    <p>To avoid damaging important muscles</p> Signup and view all the answers

    What is a precaution associated with the posterolateral approach in hip surgery?

    <p>Picking up objects off the ground</p> Signup and view all the answers

    Why has the surgical approach been refined to be less invasive over the years?

    <p>To minimize the risk of nerve damage</p> Signup and view all the answers

    Which hip structures are released before dislocating the hip in the posterolateral approach?

    <p>Capsule, piriformis, and short external rotators</p> Signup and view all the answers

    What is a significant advantage of the posterolateral approach in hip surgery?

    <p>Decreased thromboembolic complications</p> Signup and view all the answers

    Why is the small risk of sciatic nerve damage a concern in the posterolateral approach?

    <p>It is the most common complication</p> Signup and view all the answers

    What are the precautions for the STAR approach?

    <p>No precautions</p> Signup and view all the answers

    Which muscles are impacted by the STAR approach?

    <p>Obturator internus, superior &amp; inferior gemelli</p> Signup and view all the answers

    What is the main benefit of the STAR approach?

    <p>Improved hip stability</p> Signup and view all the answers

    How does the STAR approach relate to earlier functional improvement?

    <p>It is related to earlier functional improvement</p> Signup and view all the answers

    Which movement should be avoided when returning to bed after the STAR approach?

    <p>Bringing the leg out to the side (abduction)</p> Signup and view all the answers

    Which muscles are spared during the STAR approach?

    <p>Piriformis, IT band, and obturator externus tendon</p> Signup and view all the answers

    What is the impact of the STAR approach on pain levels post-operation?

    <p>Decreased pain levels within 3 months post-op</p> Signup and view all the answers

    What is the purpose of the Trochanteric precautions?

    <p>To avoid excessive hip flexion and adduction</p> Signup and view all the answers

    What is a potential consequence of sidestepping or bringing the leg out when returning to bed after the STAR approach?

    <p>Risk of dislocation of the hip prosthesis</p> Signup and view all the answers

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