Our Summary

The research paper is a study of the survival rate of hip replacement implants in patients who have a specific type of bone disease called aseptic osteonecrosis. The researchers used a specific type of hip implant made of metal and analyzed 54 patients over an average of 13.9 years. They found that almost 94% of the implants survived (or remained functional) until the last follow-up visit.

They also found that 22.2% of patients experienced complications - some during the operation, some immediately after, and some in the long term. Despite these complications, the patients’ hip functionality scores improved significantly.

The researchers concluded that hip replacement surgery is a good option for patients with advanced aseptic osteonecrosis, but careful follow-up is needed to monitor for complications.

FAQs

  1. What was the survival rate of the hip replacement implants used in the study?
  2. How many patients experienced complications from the hip replacement surgery?
  3. What did the researchers conclude about the effectiveness of hip replacement surgery for patients with advanced aseptic osteonecrosis?

Doctor’s Tip

A doctor might tell a patient considering hip replacement surgery to make sure to follow all pre-operative and post-operative instructions provided by their healthcare team. This includes maintaining a healthy weight, participating in physical therapy, and avoiding high-impact activities to ensure the best possible outcome and reduce the risk of complications. Regular follow-up appointments with your healthcare provider are also important to monitor the success of the implant and address any potential issues that may arise.

Suitable For

Patients who are typically recommended for hip replacement surgery include those with severe hip pain and limited mobility due to conditions such as osteoarthritis, rheumatoid arthritis, avascular necrosis, hip fractures, and other degenerative joint diseases. In this specific study, patients with aseptic osteonecrosis were recommended for hip replacement surgery, as it was found to be a successful treatment option with a high implant survival rate. However, it is important to note that each patient’s individual condition and medical history should be considered before recommending hip replacement surgery.

Timeline

Before hip replacement:

  1. Patient experiences hip pain, stiffness, and limited mobility.
  2. Patient consults with a doctor or orthopedic surgeon to discuss treatment options.
  3. Doctor recommends hip replacement surgery as a solution for severe hip arthritis or other conditions.
  4. Patient undergoes pre-operative evaluations and tests to assess overall health and suitability for surgery.

After hip replacement:

  1. Patient undergoes hip replacement surgery, where the damaged hip joint is replaced with an artificial implant.
  2. Patient stays in the hospital for a few days for recovery and rehabilitation.
  3. Patient undergoes physical therapy and rehabilitation to regain strength and mobility in the hip joint.
  4. Patient follows post-operative care instructions, including medication management, wound care, and activity restrictions.
  5. Patient gradually resumes normal activities and experiences improved hip function and reduced pain.
  6. Patient attends follow-up appointments with the surgeon to monitor the implant’s survival rate and address any complications that may arise.

What to Ask Your Doctor

  1. What is the success rate of hip replacement surgery in patients with aseptic osteonecrosis?

  2. What type of hip implant material is recommended for patients with aseptic osteonecrosis?

  3. What are the potential complications that can arise during or after hip replacement surgery?

  4. How long is the recovery period after hip replacement surgery for patients with aseptic osteonecrosis?

  5. How often should follow-up appointments be scheduled to monitor the hip implant and check for complications?

  6. Are there any specific lifestyle changes or precautions that should be taken after hip replacement surgery?

  7. What are the potential risks or limitations associated with hip replacement surgery in patients with aseptic osteonecrosis?

  8. How long can the hip implant be expected to last before needing to be replaced?

  9. Are there any alternative treatment options available for patients with aseptic osteonecrosis other than hip replacement surgery?

  10. What are the expected outcomes in terms of hip functionality and pain relief following hip replacement surgery for patients with aseptic osteonecrosis?

Reference

Authors: Erivan R, Caputo T, Riouach H, Villatte G, Perreira B, Descamps S, Boisgard S. Journal: Eur J Orthop Surg Traumatol. 2020 Jul;30(5):845-850. doi: 10.1007/s00590-020-02644-z. Epub 2020 Feb 27. PMID: 32107641