Abstract
Background
While subchondral insufficiency fracture of the femoral head is most frequently seen in elderly patients, this fracture has also been reported in some young individuals.
Questions/purposes
We asked whether a transtrochanteric rotational osteotomy for a subchondral insufficiency fracture of the femoral head in young adults would (1) provide improvement in functional scores; and (2) lead to healing of the fractures.
Methods
We retrospectively reviewed five young patients diagnosed with subchondral insufficiency fracture of the femoral head. Nonoperative treatment was administered initially. Four of these patients (average 22.3, years; range, 16–29 years) showed progressive collapse. An anterior rotational osteotomy was performed in these four patients since the fractured area was located in the anterosuperior portion of the femoral head. All patients were followed for a minimum of 2.0 years (average, 4.1 years; range, 2.0–9.1 years).
Results
The average preoperative Harris hip score was 71.6 points, which improved to an average of 97.2 at the latest followup. Radiographically, the fractured lesion healed and no progression of collapse was observed in any of the four patients.
Conclusions
Anterior rotational osteotomy seems a useful surgical option for treating young patients with subchondral insufficiency fracture of the femoral head if symptoms persist.
Level of Evidence
Level IV, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.
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One of the authors (TY) was funded by a Grant-in-Aid in Scientific Research (Number 21591948) from Japan Society for the Promotion of Science, Research Grant for Intractable Diseases from the Ministry of Health and Welfare of Japan and a grant from Takeda Science Foundation.
Each author certifies that his or her institution approved or waived approval for the human protocol for this investigation and that all investigations were conducted in conformity with ethical principles of research.
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Yamamoto, T., Iwasaki, K. & Iwamoto, Y. Transtrochanteric Rotational Osteotomy for a Subchondral Insufficiency Fracture of the Femoral Head in Young Adults. Clin Orthop Relat Res 468, 3181–3185 (2010). https://doi.org/10.1007/s11999-010-1364-y
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DOI: https://doi.org/10.1007/s11999-010-1364-y