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 (A)</p> Signup and view all the answers

What is a significant disadvantage of cement fixation in THA?

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

Which component is part of the Total Hip Arthroplasty Implants?

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

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

<p>Rectus femoris (B)</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 (B)</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% (B)</p> Signup and view all the answers

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

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

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

<p>Bony ankylosed joint (D)</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 (B)</p> Signup and view all the answers

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

<p>John Charley (A)</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% (D)</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 (D)</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 (A)</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 (A)</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 (C)</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 (C)</p> Signup and view all the answers

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

<p>Decreased thromboembolic complications (C)</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 (A)</p> Signup and view all the answers

What are the precautions for the STAR approach?

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

Which muscles are impacted by the STAR approach?

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

What is the main benefit of the STAR approach?

<p>Improved hip stability (D)</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 (B)</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) (D)</p> Signup and view all the answers

Which muscles are spared during the STAR approach?

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

What is the purpose of the Trochanteric precautions?

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

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