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. 2017:2017:8915104.
doi: 10.1155/2017/8915104. Epub 2017 Mar 12.

A 10-Year Follow-Up of Two-Incision and Modified Watson-Jones Total Hip Arthroplasty in Patients with Osteonecrosis of the Femoral Head

Shih-Jie Lin  1 , Tsan-Wen Huang  2 , Po-Chun Lin  3 , Feng-Chih Kuo  3 , Kuo-Ti Peng  2 , Kuo-Chin Huang  4 , Mel S Lee  4
Affiliations

A 10-Year Follow-Up of Two-Incision and Modified Watson-Jones Total Hip Arthroplasty in Patients with Osteonecrosis of the Femoral Head

Shih-Jie Lin et al. Biomed Res Int. 2017.

Abstract

Long-term data and information indicating whether minimally invasive surgery (MIS) approaches are safe and effective with total hip arthroplasty (THA) are lacking. Between 2004 and 2006, 75 patients with alcohol-related osteonecrosis of the femoral head (ONFH) who underwent 75 THAs with the two-incision approach were studied. The medical records, radiographic parameters, and functional outcomes were collected prospectively. All data were compared with those for matched patients who underwent a modified Watson-Jones (WJ) approach. THA using the two-incision approach was associated with longer operation time, more blood loss, more lateral femoral cutaneous nerve injury, and more periprosthetic femoral fractures (p < 0.05 for all four) than the modified WJ approach. The Harris Hip Score (HHS) and Western Ontario and McMaster University Osteoarthritis Index (WOMAC) increased significantly from the period preoperatively to 6 weeks postoperatively and thereafter up to the last follow-up in both groups. However, there were no significant differences in terms of radiographic parameters and functional outcomes between the two groups throughout the study period. Both the two-incision and the modified WJ approach provided satisfactory results and survival rates at a mean follow-up of 10.8 years. A prospective, randomized, large-scale cohort study is still warranted for evidence-based recommendations.

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Figures

Figure 1
Figure 1
A 62-year-old male with alcohol-related ONFH underwent THA with a two-incision approach. (a) Immediate postoperative left hip anteroposterior view. (b) Loosening of femoral stem and hip dislocation occurred in the postoperative 6 months. (c) Revision of femoral component with long stem was performed. (d) Ten years later, the hip remains with good stability and adequate position.
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