Key result
Bipolar prosthesis and Austin Moore prosthesis resulted in similar functional outcomes for the management of intracapsular femoral neck fractures, with no significant difference in mean Harris Hip Score (84.62 vs 83.19, p=0.654).
Why the study?
Fracture neck of femur is common among elderly people in India and carries 30% mortality; this study evaluated the profile of presenting patients and assessed functional outcome differences between Austin Moore and bipolar hip prostheses.
Does bipolar prosthesis improve functional outcomes compared to Austin Moore prosthesis in elderly patients undergoing hemiarthroplasty for intracapsular fracture neck of femur?
Observational (n=42)
None
None (purposive sampling)
No
Does bipolar prosthesis improve functional outcomes compared to Austin Moore prosthesis in elderly patients undergoing hemiarthroplasty for intracapsular fracture neck of femur?
Absolute Event Rate: 84.62% vs 83.19%
p-value: p=0.654
Bipolar and Austin Moore prostheses provide similar short-term functional outcomes for the management of intracapsular femoral neck fractures in elderly patients.
Bipolar hemiarthroplasty was associated with better Harris scores and fewer complications than Austin Moore; leaves open superiority pending randomized trials.
Introduction: Fracture neck of femur is one of the widely occurring hip fractures among elderly people in India. They greatly affect the quality of life in patients, and 30% mortality is observed in these fractures. This study was carried out to study the profile of fracture neck of femur presenting to a tertiary care teaching hospital. The study also assessed functional outcome differences between Austin Moore and bipolar hip prosthesis used in hemiarthroplasty. Methods: The present prospective study includes 50 cases of intracapsular fracture neck of femur in elderly patients above the age of 55 years irrespective of sex treated by hemiarthroplasty using unipolar (Austin Moore’s) or bipolar(nonmodular) endoprosthesis followed up for 6 months. After surgery, all the cases were followed up. The functional results after hemiarthroplasty were analyzed using Harris Hip Score (HHS). Results: The mean age was 63.14±5.66 in AMP, and it was 63.29±4 in bipolar prosthesis. The other baseline parameters were comparable between the groups. The mean Harris hip score was 83.19±10.94 in AMP, and it was 84.62±9.53 in bipolar prosthesis. The difference was statistically not significant (P value 0.654). A higher percentage of patients, about 43% were found to have good functional outcome with bipolar prosthesis than those with Austin Moore prosthesis whose percentage having fair outcome was found to be 19%. However, no significant difference was seen between the groups. Conclusion: Treatment outcomes were similar between the two groups.
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Nathi et al. (2019) conducted an observational in Intracapsular fracture of neck of femur (n=42). Bipolar prosthesis vs. Austin Moore (unipolar) prosthesis was evaluated on Harris Hip Score (HHS) at 6 months (p=0.654). Bipolar prosthesis and Austin Moore prosthesis resulted in similar functional outcomes for the management of intracapsular femoral neck fractures, with no significant difference in mean Harris Hip Score (84.62 vs 83.19, p=0.654).
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