The addition of vitamin E to polyethylene has shown promise in total hip arthroplasty. Which of the following is the main purpose of adding vitamin E to polyethylene?
When performing a hip hemiarthroplasty to treat a displaced subcapital femoral neck fracture in an elderly patient, the use of a cemented stem:
An 82-year-old female patient presents with a 3-month history of severe right groin pain. She has a medical history that is noteworthy for diabetes mellitus, hypertension, and stroke. She describes pain in the buttocks with ambulation, with radiation to the anterior aspect of the thigh and leg. She is able to ambulate, although with a mild limp. Her hip examination is normal, apart from iliopsoas weakness. Radiographs show mild osteoarthritis of the right hip. Which of the following is the appropriate next step?
Which of the following accurately describes the treatment of a periprosthetic femoral fracture distal to a well-fixed femoral implant (Vancouver type C)?
The majority of the blood supply to the femoral head comes from the medial and lateral circumflex vessels. These vessels directly branch off of which of the following?
Which of the following stem options is most likely to demonstrate stress shielding with long-term follow-up after total hip arthroplasty?