Evaluation of the Trabecular Metal™ Revision Hip Cup Using Bone Mineral Density (DEXA)

Exclusion Criteria

• •Patients undergoing bilateral surgery or had prior hip arthroplasty on contralateral side less than 6 months from date of surgery.
• •Patients who do not plan to return to a Cleveland Clinic surgeon for follow-up visits (i.e. out of state/country patients who may choose to follow-up with a different surgeon).
• •Patients with history of radiation therapy.
• •Patients with known diagnosis of Brooker grade 3 or 4 HO (heterotopic ossification) in the hip joint region.
• •Patients with known diagnosis of renal disease.
• •Patients with known diagnosis of osteoporosis.
• •Patients with history of steroid use in the hip joint region.
• •Patients that have had a previous lumbar fusion.
• •Patients whose surgical reconstruction required a pelvic cage or plate.
• •Patient was a poor compliance risk - treated for ethanol or drug abuse, physical or mental handicap, etc.
• •Any female of childbearing potential who is pregnant or is planning on becoming pregnant during the study period (\~2 years postoperative).