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KMID : 0386720020140030169
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Journal of the Korean Hip Society
2002 Volume.14 No. 3 p.169 ~ p.176
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Total Hip Arthroplasty for Highly Dislocated Hip
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Park Youn-Soo
Lee Jong-Yoon
Kim Jong-Hyuk
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Abstract
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Purpose: To evaluate the results of total hip arthroplasty (THA) and the factors affecting the result in highly dislocated hips.
Materials and Methods: We reviewed 18 highly dislocated hip in 18 patients who underwent THA between October 1996 and October 1999. The mean age was 42.2 years (22~61), and the average follow-up period 40 months (26~60).
Ed-the following data all belong in the results, not M&M, section.
Results: Etiologic diseases were septic or tuberculosis hip sequelae in 12 hips and sequelae of congenital dislocation of the hip in 6. Pseudarthroses were avident in 7 hips and telescoping in 12. Among the 12 telescoping hips, 2 featured pseudarthrosis and 10 did not. The average difference of spino-malleolar distance (SMD) was 6.4 ㎝ (2.3~14.0); 5.4 ㎝ in the pseudarthrosis group, and 7.2 ㎝ in the group without pseudarthrosis. Harris hip score was 47.5 (32~65).
The hip center was made at the anatomic hip center in all cases except one. The average possible SMD gain was 4.4 ㎝ (1.8~6.6), with combined shortening subtrochanteric osteotomy in 4 femora. SMD gain was 2.2 ㎝ (1.8~2.7), in the pseudarthrosis group and 5.8 ㎝ (4.7~6.6) in the group without pseudarthrosis. Harris hip score was 79.7 (72~87).
Conclusion: THA for highly dislocated hips showed fair to good results, and pseudarthrosis and telescoping were important factors in determining leg lengthening.
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KEYWORD
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Highly dislocated hip, Congenital dislocation of the hip, Septic hip, Tuberculosis of the hip, Total hip arthroplasty
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