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Hip fracture is a serious injury which mostly occurs in older patients. In the UK there are about 60,000 hip fractures every year. A hip fracture is a potentially catastrophic event; approximately 30% of patients will die during the first year following this injury and those who survive will have a significant reduction in their quality of life.

The most common type of hip fracture is treated with a partial hip replacement or hemi-arthroplasty. The hemi-arthroplasty can be fixed to the patient's thigh bone with or without the use of 'bone cement'.

Cement is the current standard technique, but there are some risks with bone cement which could be avoided by using 'un-cemented' implants. However, traditionally the outcomes with the early types (first generation) of un-cemented implants were inferior to the cemented implants currently used. Since these studies were done, there have been significant improvements in un-cemented implant technology and the current, limited evidence suggests that these modern (contemporary) implants may be as good as the cemented implants but without the risks of using cement.

This will be a multi centre, multi-surgeon, parallel, two arm, randomised controlled trial. It will be embedded within the WHiTE Comprehensive Cohort Study. The study will include a comparison between a contemporary uncemented hemiarthroplasty implant and the current standard of care cemented implant.

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