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Title: The Functional Outcome of Total Hip Replacement in Patients with Osteonecrosis of the Femoral Head: Study from a Tertiary Care Centre
Authors: Muhammad Tahir Lakho, Muhammad Azfar Khanzada, Mumtaz Ali, Zulfiqar Ali Memon, Bashir Ahmed, Anisuddin Bhatti
Journal: Pakistan Armed Forces Medical Journal (PAFMJ)
Publisher: Army Medical College, Rawalpindi.
Country: Pakistan
Year: 2024
Volume: 74
Issue: Supplementary 2
Language: English
Keywords: Femoral headFunctional outcomeOsteonecrosisTotal hip replacement.
Objective: To assess the functional outcome of total hip replacement in patients with osteonecrosis of the femoral head.
Study Design: Prospective, Observational.
Place and Duration of Study: Department of Orthopedic surgery, Jinnah Postgraduate Medical Centre, Karachi Pakistan, from Jun to Dec 2019.
Methodology: All patients aged 30-60 years of either gender presenting with osteoarthritis of unilateral hip joint were recruited for the study. The functional outcome was assessed at the end of 3 months of surgery. Statistical Package for Social Sciences version 26 was used to perform data analysis.
Results: A mean age of the patients was 45.82±9.13 years. Majority of the patients were males, 18(55%) and 22(45%) were females. Mean Body Mass Index of the patients was 26.83±5.26 Kg/m2. There were 31(77.50%) patients with no pain and normal function was found in 15(37.50%) patients. Satisfactory outcome was found in 15(37.50%) patients.
Conclusion: The current study reported that the functional outcome was satisfactory in approximately two-fifth of the population with osteonecrosis of the femoral head in our setting.
To assess the functional outcome of total hip replacement in patients with osteonecrosis of the femoral head.
Prospective, observational study conducted at Jinnah Postgraduate Medical Centre, Karachi, from June to December 2019. Forty patients aged 30-60 years with unilateral hip osteoarthritis due to osteonecrosis of the femoral head were recruited. Functional outcome was assessed 3 months post-surgery using a visual analogue scale (VAS) for pain and goniometer for range of motion. Data was analyzed using SPSS version 26.
graph TD
A[Patient Recruitment Inclusion/Exclusion Criteria] --> B[Baseline Assessment];
B --> C[Total Hip Replacement Surgery];
C --> D[Post-operative Care];
D --> E[Functional Outcome Assessment - 3 Months];
E --> F[Data AnalysisSPSS];
F --> G[Results and Conclusion];
The study found that approximately two-fifths of patients with osteonecrosis of the femoral head who underwent total hip replacement (THR) had a satisfactory functional outcome. This aligns with previous literature suggesting that THR can be effective for advanced osteonecrosis. The study also noted that 22.5% of patients experienced persistent pain three months postoperatively.
The mean age of patients was 45.82±9.13 years. The study included 18 (55%) males and 22 (45%) females. Mean BMI was 26.83±5.26 Kg/m2. At 3 months post-surgery, 31 (77.50%) patients reported no pain, and 15 (37.50%) had normal function. Satisfactory outcome was found in 15 (37.50%) patients.
The study concluded that total hip replacement can provide satisfactory functional outcomes for patients with osteonecrosis of the femoral head. Further improvements in surgical techniques and prompt diagnosis may improve final outcomes.
1. Study duration: June to December 2019 - Confirmed in the Methodology section.
2. Sample size: 40 patients - Confirmed in the Methodology section.
3. 77.50% of patients had no pain three months postoperatively - Confirmed in the Results section.
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