Complications following 250 cemented modular hip hemiarthroplasties

Area of Science:

• Orthopedic Surgery
• Geriatric Medicine
• Trauma Surgery

Background:

• Hemiarthroplasty is a common treatment for displaced femoral neck fractures in elderly, frail patients.
• Complications of modern modular hemiendoprostheses via posterior approach in this group are not well-documented.

Purpose of the Study:

• To assess complications and mortality associated with Lubinus sp II cemented, unipolar hemiarthroplasty using a posterior approach.
• To provide a 9-year follow-up on outcomes in a frail elderly population.

Main Methods:

• Retrospective review of 244 patients undergoing hemiarthroplasty for femoral neck fractures (2007-2008).
• Analysis of intraoperative and postoperative complications.
• 9-year follow-up for mortality and reoperation rates.

Main Results:

• 31 complications (12%) occurred in 30 patients, including dislocations, periprosthetic fractures, and infections.
• Conversion to total hip replacement (THR) was needed in 4% of cases; reoperation in 6%.
• 9-year mortality rate was 78% in this comorbid patient group.

Conclusions:

• The overall complication rate for cemented hemiarthroplasty via posterior approach is acceptable in frail elderly patients.
• High mortality reflects the patient population's comorbidities.
• Low rates of conversion to THR and reoperation suggest suitability of the procedure in selected cases.