30 Questions
Which nerve is not directly mentioned as being relevant to Total Hip Arthroplasty (THA)?
Sciatic nerve
What is the gold standard material for the Metal or Ceramic-On-Polyethylene component of THA implants?
Polyethylene
Which THA fixation method is indicated for older individuals with poor bone quality and a history of inflammatory arthritis?
Cement fixation
What is a major advantage of cementless fixation in THA?
Interlocking fit between cancellous bone and prosthesis
What is a significant disadvantage of cement fixation in THA?
Development of osteolysis
Which component is part of the Total Hip Arthroplasty Implants?
Acetabular Component
Which muscle is NOT mentioned as relevant to a Total Hip Arthroplasty?
Rectus femoris
What is the primary goal of Total Joint Arthroplasty (TJA)?
To relieve pain, improve function, correct deformity, preserve independent lifestyle, and contribute to psychological well-being
Between 2005 & 2030, what is the expected percentage increase in Total Knee Arthroplasty (TKA) in the US?
673%
Who is credited with creating the first mold arthroplasty out of glass?
Marius Smith Petersen
Which condition is listed as an indication for Total Hip Arthroplasty (THA)?
Bony ankylosed joint
What are the common clinical presentations of hip arthritis?
Potential Trendelenburg gait pattern and loss of motion/decreased flexibility
Who is considered the father of the modern Total Hip Arthroplasty?
John Charley
What percentage increase is expected for Total Hip Arthroplasty (THA) between 2005 & 2030 in the US?
174%
What is a potential disadvantage of the posterolateral approach in hip surgery?
Increased risk of nerve damage
Why are the gluteus maximus, medius, and minimus spared in the posterolateral approach?
To avoid damaging important muscles
What is a precaution associated with the posterolateral approach in hip surgery?
Picking up objects off the ground
Why has the surgical approach been refined to be less invasive over the years?
To minimize the risk of nerve damage
Which hip structures are released before dislocating the hip in the posterolateral approach?
Capsule, piriformis, and short external rotators
What is a significant advantage of the posterolateral approach in hip surgery?
Decreased thromboembolic complications
Why is the small risk of sciatic nerve damage a concern in the posterolateral approach?
It is the most common complication
What are the precautions for the STAR approach?
No precautions
Which muscles are impacted by the STAR approach?
Obturator internus, superior & inferior gemelli
What is the main benefit of the STAR approach?
Improved hip stability
How does the STAR approach relate to earlier functional improvement?
It is related to earlier functional improvement
Which movement should be avoided when returning to bed after the STAR approach?
Bringing the leg out to the side (abduction)
Which muscles are spared during the STAR approach?
Piriformis, IT band, and obturator externus tendon
What is the impact of the STAR approach on pain levels post-operation?
Decreased pain levels within 3 months post-op
What is the purpose of the Trochanteric precautions?
To avoid excessive hip flexion and adduction
What is a potential consequence of sidestepping or bringing the leg out when returning to bed after the STAR approach?
Risk of dislocation of the hip prosthesis
This quiz covers the surgical approaches for hip replacement, highlighting the pros and cons of different methods such as the posterolateral and anterior approaches. It also provides information on the key features and considerations for each approach.
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