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Cemented total hip replacement in patients who are less than fifty years old
Insights
Cemented total hip replacement shows good outcomes in patients under 50. Long-term success for hip arthroplasty requires patients to avoid strenuous activities.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
Background:
- Younger patients (<50 years) undergoing total hip replacement present unique challenges due to higher activity demands.
- Assessing the long-term efficacy of cemented total hip arthroplasty (THA) in this demographic is crucial for clinical decision-making.
Purpose of the Study:
- To evaluate the clinical and radiographic outcomes of cemented THA in patients younger than 50 years.
- To determine the survivorship and identify potential complications associated with cemented THA in a younger cohort.
Main Methods:
- A prospective study followed 45 cemented THA procedures in 38 patients (average age 40.7 years) for an average of 7.3 years.
- Outcome measures included physical examinations, radiographs, Iowa hip ratings, and assessment for complications like revision, radiolucency, subsidence, and bone resorption.
Main Results:
- High average Iowa hip rating (91.9) with no surgical deaths, infections, or dislocations.
- Revision was needed in 8.9% of cases, all successful. Radiolucent lines were observed in 31 hips (6.6% progressive), and femoral component subsidence occurred in 3 hips (6.6%).
- Medial femoral resorption was noted in 5 hips. Patient adherence to activity restrictions was emphasized.
Conclusions:
- Cemented THA can yield acceptable and reasonably long-lasting results in patients aged 30-50.
- Patient compliance with activity modification (avoiding high-impact activities and heavy lifting) is essential for maintaining long-term outcomes in younger THA recipients.
Abstract:
Forty-five cemented total hip replacements in thirty-eight patients who were less than fifty years old were followed with physical examinations and radiographs for five to eleven years (average, 7.3 years) after surgery. The average age of the patients at the time of surgery was 40.7 years. The average Iowa hip rating at follow-up was 91.9 points (range, 58 to 100 points). No surgical deaths, infections, or dislocations were encountered. All of the patients had been repeatedly advised to avoid running, jumping, heavy labor, and lifting more than forty pounds (eighteen kilograms). Revision of a prosthetic component was necessary in four hips (8.9 per cent); all of the revisions were successful. Radiolucent lines were seen about the acetabular components of thirty-one hips but in only three (6.6 per cent) were these judged to be progressive bone-cement demarcation lines. Only one of those three hips was symptomatic. Three hips (6.6 per cent) also had subsidence of the femoral component into the femoral canal, but only one hip was symptomatic. Resorption of the medial aspect of the proximal end of the femur was seen in five hips, the maximum resorption being three to five millimeters. I have concluded that cemented total hip arthroplasty can give acceptable results in patients who are thirty to fifty years old, and that the result can be reasonably long-lasting if the patients are willing to avoid strenuous activity.