Prediction of the outcome of transtrochanteric rotational osteotomy for osteonecrosis of the femoral head

Miyanishi K, Noguchi Y, Yamamoto T, et al. Prediction of the outcome of transtrochanteric rotational osteotomy for osteonecrosis of the femoral head. J Bone Joint Surg Br. 2000;82-B(4):512-516. doi:10.1302/0301-620X.82B4.0820512

Miyanishi, K., et al. “Prediction of the outcome of transtrochanteric rotational osteotomy for osteonecrosis of the femoral head.” The Journal of Bone & Joint Surgery British Volume, vol. 82-B, no. 4, 2000, pp. 512-516., https://doi.org/10.1302/0301-620X.82B4.0820512

Miyanishi, K., Noguchi, Y., Yamamoto, T., Irisa, T., Suenaga, E., Jingushi, S., Sugioka, Y., & Iwamoto, Y. (2000). Prediction of the outcome of transtrochanteric rotational osteotomy for osteonecrosis of the femoral head. The Journal of Bone & Joint Surgery British Volume, 82-B(4), 512-516. https://doi.org/10.1302/0301-620X.82B4.0820512

Miyanishi, K., Noguchi, Y., Yamamoto, T., Irisa, T., Suenaga, E., Jingushi, S. et al. (2000) “Prediction of the outcome of transtrochanteric rotational osteotomy for osteonecrosis of the femoral head.” The Journal of Bone & Joint Surgery British Volume, 82-B(4), pp. 512-516. Available at: https://doi.org/10.1302/0301-620X.82B4.0820512

Miyanishi, K., Y. Noguchi, T. Yamamoto, T. Irisa, E. Suenaga, S. Jingushi, Y. Sugioka, and Y. Iwamoto. “Prediction of the outcome of transtrochanteric rotational osteotomy for osteonecrosis of the femoral head.” The Journal of Bone & Joint Surgery British Volume 82-B, no. 4 (2000): 512-516. https://doi.org/10.1302/0301-620X.82B4.0820512

Miyanishi K, Noguchi Y, Yamamoto T, Irisa T, Suenaga E, Jingushi S, et al. Prediction of the outcome of transtrochanteric rotational osteotomy for osteonecrosis of the femoral head. J Bone Joint Surg Br. 2000 May 1;82-B(4):512-516. https://doi.org/10.1302/0301-620X.82B4.0820512

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Abstract

We have studied the correlation between the prevention of progressive collapse and the ratio of the intact articular surface of the femoral head, after transtrochanteric rotational osteotomy for osteonecrosis. We used probit analysis on 125 hips in order to assess the ratio necessary to prevent progressive radiological collapse over a ten-year period. The results show that a minimum postoperative intact ratio of 34% was required. This critical ratio may be useful for surgical planning and in assessing the natural history of the condition.

Correspondence should be sent to Dr K. Miyanishi.

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