Dr. Lindenfeld studies various surgical techniques and treatments for hip and knee injuries and conditions. This includes his work on custom-made hip implants for patients with severe hip dysplasia, examining how these implants perform compared to standard options. He also investigates methods to repair meniscus injuries in the knee, exploring ways to enhance recovery for individuals who have suffered common knee injuries that require surgical intervention. His studies are particularly relevant for younger patients needing hip replacements, as he evaluates the long-term performance of different hip implant materials.
Key findings
In a study of 25 patients with severe hip dysplasia, the use of custom-made hip implants resulted in a complication rate of 16%, which is lower than previously reported rates.
After 77 months, 96% of hip implants with ceramic heads showed minimal wear (less than 0.2 mm per year), compared to only 71% for metal head implants, suggesting better long-term results for younger patients.
Frequently asked questions
Does Dr. Lindenfeld study hip dysplasia?
Yes, Dr. Lindenfeld focuses on hip dysplasia, especially in cases requiring hip replacement surgery.
What knee treatments has Dr. Lindenfeld researched?
He has researched various surgical techniques for knee injuries, including the inside-out method for repairing meniscus tears.
Is Dr. Lindenfeld's work relevant to younger patients needing hip replacements?
Absolutely, his studies highlight the benefits of using ceramic hip implants, which may provide better long-term outcomes for younger patients.
Publications in plain English
[Total hip arthroplasty with shortening subtrochanteric osteotomy and custom-made prosthesis in Crowe type IV developmental dysplasia].
2011
Zeitschrift fur Orthopadie und Unfallchirurgie
Starker M, Bischof F, Lindenfeld T
Plain English This study looked at the effectiveness of using custom-made hip implants for patients with severe hip dysplasia (Crowe type IV) who needed hip replacement surgery. Researchers treated 25 patients and found that they had a lower complication rate of 16% compared to what has been reported in other studies, which is a significant improvement. On average, they were able to shorten the femur by 3.4 cm and lengthen the leg by 3.8 cm, achieving a leg length difference of just 0.8 cm.
Who this helps: This helps patients with severe hip dysplasia who require hip replacement surgery.
Plain English This study looked at different methods for repairing meniscus injuries in the knee, which are the most common type of knee injury that require surgery in the U.S. Researchers highlighted that the traditional inside-out technique, while less popular now due to newer methods, is still very effective and necessary for certain cases. This research matters because understanding the best repair methods can lead to better outcomes for patients with knee injuries.
Who this helps: Patients with meniscus injuries who need surgery.
[In-vivo wear of the slide combinations ceramics-polyethylene as opposed to metal-polyethylene].
1997
Der Orthopade
Zichner L, Lindenfeld T
Plain English This study looked at how well different types of hip implants wear over time, comparing those with ceramic heads to those with metal heads. Researchers found that after 77 months, 96% of the implants with ceramic heads showed very little wear (less than 0.2 mm per year), while only 71% of metal head implants could make the same claim. This is important because faster wear can lead to problems like the loosening of the implant, suggesting that younger patients should receive ceramic hip implants for better long-term results.
Who this helps: Younger patients needing hip replacements.