Early clinical and functional results of short modular femoral metaphyseal stem hip arthroplasty: a pilot study

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The purpose of this study was to evaluate the short-term results, complications, and functional outcomes associated with short femoral metaphyseal hip arthroplasty.


Twenty-nine hips with coxarthrosis were included in the study. Each patient had outpatient clinical examination and follow-up (mean 20 mo) with evaluation using the Harris Hip Score (HHS), Western Ontario and McMaster University (WOMAC) score, Short-Form 36 (SF-36), and anteroposterior and lateral radiographs of the hip.


Statistical analysis revealed a significant difference between the preoperative and the postoperative outcome scores. The radiographic evaluation revealed no differences. No one had cup or femoral implant loosening and no heterotopic ossification.


This study showed that a short femoral metaphyseal stem can obtain early satisfactory clinical and functional outcomes without compromising implant stability. Future investigations should evaluate whether such results may be maintained after a longer time.

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