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KMID : 0386720050170040251
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Journal of the Korean Hip Society
2005 Volume.17 No. 4 p.251 ~ p.256
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Treatment of Nonunion of the Femoral Neck by Intertrochanteric Valgus Osteotomy
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Kim Yong-Sik
Choi Nam-Yong
Kwon Soon-Yong
Kim Joo-Young
Han Suk-Ku
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Abstract
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Purpose: To evaluate the clinical results of femoral neck nonunion treated with intertrochanteric valgus
osteotomy.
Materials and methods: Between March 1999 and December 2003, 9 patients (9 cases) of femoral neck nonunion
were treated with intertrochanteric valgus osteotomy. Average patient age was 39 years (28~57 years), average
duration of nonunion was 11 months (7~15months) and average duration of follow-up was 27 months (14~45
months). The 9 cases comprised 4 with isolated neck fractures and 5 with ipsilateral acetabulum and/or shaft fracture
of the femur.
Results: All cases of nonunion were healed at an average of 7.4 months (5~11 months) and the osteotomy site was healed at a mean of 6.6 months (4~8 months). The average neck shaft angle at last follow-up was 132 degrees and the leg length discrepancy was corrected by an average of 2.7 cm. Two patients experienced avascular necrosis that was
treated by core decompression. However, arthroplasty was not performed in either of these 2 cases. All patients could
ambulate without any walking aids, but two patients complained of painless limping. The average Harris hip score
improved from 62 preoperative to 92 at the last follow-up.
Conclusion: Intertrochanteric valgus osteotomy is an effective method for treatment of femoral neck nonunion and
provides a satisfactory short-term result.
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KEYWORD
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Femoral neck, Nonunion, Intertrochanteric valgus osteotomy
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