Surgery of the Hip

Heterotopic Ossification

Key Points While the etiology of heterotopic ossification (HO) is diverse, it most commonly occurs through a process of endochondral ossification after operative procedures about the hip. While HO is typically only a radiographic finding without clinical consequences, clinically meaningful…

Leg Length Inequality: Prevention/Treatment

Key Points Preoperative assessment of leg length inequality should include a history, physical examination, and radiographic evaluation, including templating. Preoperative education of the patient should include discussion of the patient's perception of leg length discrepancy and a discussion of the…

Abductor Muscle and Greater Trochanteric Complications

Key Points Early detection of intraoperative and postoperative trochanteric problems is important to optimize chances of successful treatment. Trochanteric claw plates with locking screws and cables have shown promising results in the fixation of trochanteric fractures and nonunions. Trochanteric bursitis…

Hip Instability

Key Points Instability is one of the most common indications for revision total hip arthroplasty in the United States. The cost burden for treating dislocation is substantial. Multiple risk factors for instability are known, including patient-specific (female gender, increasing age,…

Infection

Key Points Periprosthetic infection with a total hip arthroplasty occurs at a rate of approximately 0.5% to 1%; the prevalence will increase substantially as the volume for this procedure grows to meet the projected demand. Prevention relies on optimizing patient…

Revision for Metal-on-Metal or Taper Corrosion Failures

Key Points Awareness of metal-on-metal (MOM) failure and taper corrosion has increased and requires special consideration. Regular surveillance of MOM articulations is recommended. Thorough assessment is required to evaluate all common causes of postarthroplasty hip pain. A systematic diagnostic approach…