Clinical Orthopaedics and Related Research ®

A Publication of The Association of Bone and Joint Surgeons ®

Hip 723 articles

Articles

Heterotopic Bone Formation About the Hip Undergoes Endochondral Ossification: A Rabbit Model

Oliver Tannous MD, Alec C. Stall MD, Cullen Griffith MD, Christopher T. Donaldson MD, Rudolph J. Castellani MD, Vincent D. Pellegrini MD

Heterotopic ossification (HO) occurs most commonly after trauma and surgery about the hip and may compromise subsequent function. Currently available animal models describing the cellular progression of HO are based on exogenous osteogenic induction agents and may not reflect the processes following trauma.

Impingement Adversely Affects 10-year Survivorship After Periacetabular Osteotomy for DDH

Christoph E. Albers MD, Simon D. Steppacher MD, Reinhold Ganz MD, Moritz Tannast MD, Klaus A. Siebenrock MD

Although periacetabular osteotomy (PAO) for developmental dysplasia of the hip (DDH) provides conceptual advantages compared with other osteotomies and reportedly is associated with joint survivorship of 60% at 20 years, the beneficial effect of proper acetabular reorientation with concomitant arthrotomy and creation of femoral head-neck offset on 10-year hip survivorship remains unclear.

Wear of a 5 Megarad Cross-linked Polyethylene Liner: A 6-year RSA Study

Stuart A. Callary BAppSc, David G. Campbell BMBS, FRACS, PhD, Graham Mercer BMBS, FRACS, Kjell G. Nilsson MD, PhD, FRACS, John R. Field MSc, BVSc, DVSc, PhD

One cross-linked polyethylene (XLPE) liner is manufactured using a lower dose of radiation, 5 Mrad, which may result in less cross-linking. The reported in vivo wear rate of this XLPE liner in patients undergoing THA has varied, and has included some patients in each reported cohort who had greater than 0.1 mm/year of wear, which is an historical threshold for osteolysis. Previous studies have measured wear on plain radiographs, an approach that has limited sensitivity.

Do Professional Athletes Perform Better Than Recreational Athletes After Arthroscopy for Femoroacetabular Impingement?

Ajay Malviya FRCS (Tr & Orth), Christos P. Paliobeis MD, Richard N. Villar BSc, MA, MS

Although a large number of athletes’ returns to sports after hip arthroscopic surgery for femoroacetabular impingement (FAI), it is not clear if they do so to the preinjury level and whether professional athletes (PA) are more likely to return to the preinjury level compared with recreational athletes (RA).

Fee-based Care is Important for Access to Prompt Treatment of Hip Fractures Among Veterans

Kelly K. Richardson PhD, Peter Cram MD, Mary Vaughan-Sarrazin PhD, Peter J. Kaboli MD, MS

Hip fracture is a medical emergency for which delayed treatment increases risk of disability and death. In emergencies, veterans without access to a Veterans Administration (VA) hospital may be admitted to non-VA hospitals under fee-based (NVA-FB) care paid by the VA. The affect of NVA-FB care for treatment and outcomes of hip fractures is unknown.

Vascularized Fibular Grafts for Avascular Necrosis After Slipped Capital Femoral Epiphysis: Is Hip Preservation Possible?

Todd Bertrand MD, James R. Urbaniak MD, Robert K. Lark MD, MS

Avascular necrosis (AVN) of the femoral head is a potential complication in patients with slipped capital femoral epiphysis (SCFE), radiographically occurring in 3–60%. This may lead to early hip fusion or hip arthroplasty. Free vascularized fibular grafting (FVFG) may provide a reasonable means to preserve the femoral head.

Severe Metal-induced Osteolysis Many Years After Unipolar Hip Endoprosthesis

Matthew A. Mann MD, Dylan Tanzer DEC, Michael Tanzer MD

Modularity of the femoral head-neck junction provides increased intraoperative flexibility to the surgeon. Complications of this modularity include damage to the trunnion, with subsequent bone and/or soft tissue loss from adverse reactions to metal debris.

Joint Space Predicts THA After Hip Arthroscopy in Patients 50 Years and Older

Marc J. Philippon MD, Karen K. Briggs MPH, John C. Carlisle MD, Diana C. Patterson BA

All patients considering joint-preserving hip arthroscopy should be educated on the risk of THA after arthroscopy. The degree of radiographic osteoarthritis predicts subsequent THA. To provide patients with the best information, the best radiographic measure that predicts THA after hip arthroscopy should be identified.

Case Report: Osteoid Osteoma of the Acetabulum Treated With Arthroscopy-assisted Radiofrequency Ablation

Damiano Ricci MD, Guido Grappiolo MD, Matthew Franco BA, Federico Della Rocca MD

Osteoid osteomas consist of a nidus surrounded by reactive sclerotic bone. The diagnosis typically is based on imaging and clinical presentation involving nocturnal pain. Removal of the lesion is essential and currently is performed mainly with image-guided, minimally invasive techniques. We describe a case involving an osteoid osteoma of the acetabular fossa, treated with arthroscopy-assisted radiofrequency ablation.

Unstable SCFE: Review of Treatment Modalities and Prevalence of Osteonecrosis

Ira Zaltz MD, Geneva Baca PhD, John C. Clohisy MD

The treatment of unstable slipped capital femoral epiphysis (SCFE) is rapidly evolving with the ability to correct epiphyseal alignment using the modified Dunn technique. Adopting a new treatment method depends on confirming that it achieves its goals, produces few, nonserious complications with no lasting sequelae, and improves the natural history of the disorder compared with known treatment methods. As such, the rates of osteonecrosis and complications after current treatments of unstable SCFE must be compared with those of newer surgical techniques.