Background: Hip resurfacing is a conservative type of total hip arthroplasty but its use is controversial, especially in patients with osteonecrosis. The aim of this study was analysis of the clinical and radiographic outcomes of hip resurfacing in patients with osteonecrosis.
Material/methods: Between 2007 and 2008, 30 hip resurfacing arthroplasties were performed due to osteoarthritis secondary to avascular necrosis of femoral head staged as Ficat III and IV. Patients were qualified to resurfacing arthroplasty when the extent of avascular necrosis using Kerboul's method was <200° and the angle between avascular necrosis and head-neck junction was >20°. All patients were evaluated clinically and radiologically before and 60 months after the operation.
Results: The mean Harris Hip Score (HHS) score increased from 47.8 to 94.25 (p<0.05). Physical activity level (University of California, Los Angeles activity score--UCLA activity score) improved from 3.7 to 7.55 (p<0.05). No implant migration was observed.
Conclusions: Management of osteonecrosis of the hip with resurfacing arthroplasty seems to be effective in strictly-selected patients.
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http://dx.doi.org/10.12659/MSM.891031 | DOI Listing |
Arch Bone Jt Surg
January 2024
Orthopedic Research Center, Department of Orthopedic Surgery, Mashhad University of Medical sciences, Mashhad, Iran.
Second-generation large-diameter head hip resurfacing (HR) arthroplasty has gained popularity in terms of its potential for minimal wear and the preservation of proximal femoral bone stock. HR faces challenges, such as increased hip fracture rates and adverse reactions to metal detritus, despite the fact that over one million metal-on-metal (MoM) arthroplasties have been performed globally. FDA issued warnings in 2011 and 2016 regarding higher failure rates in women and categorized MoM implants as high-risk, influencing U.
View Article and Find Full Text PDFBone Joint Res
January 2025
Department of Orthopaedics, Institute of Clinical Sciences, University of Gothenburg, Gothenburg, Sweden.
Aims: While cementless fixation offers potential advantages over cemented fixation, such as a shorter operating time, concerns linger over its higher cost and increased risk of periprosthetic fractures. If the risk of fracture can be forecasted, it would aid the shared decision-making process related to cementless stems. Our study aimed to develop and validate predictive models of periprosthetic femoral fracture (PPFF) necessitating revision and reoperation after elective total hip arthroplasty (THA).
View Article and Find Full Text PDFJ Am Acad Orthop Surg
December 2024
From the American Hip Institute Research Foundation (McCarroll and KuhnsDomb), Chicago, IL, and the American Hip Institute (KuhnsDomb), Chicago, IL.
Hip pain in active patients with early osteoarthritis can be quite debilitating, affecting mobility, quality of life, and overall well-being. Management of this patient population is challenging because arthroplasty implants inevitably have limited life expectancy while chondral damage can mitigate the benefits of arthroscopic or open hip preservation. A multifaceted, patient-specific approach to clinical decision making is crucial in this patient population, given their higher activity level and expectations compared with older cohorts.
View Article and Find Full Text PDFBMC Musculoskelet Disord
January 2025
Midlands Orthopaedics & Neurosurgery, 1910 Blanding Street, Columbia, SC, 29201, USA.
Background: Unrepaired chronic abductor tears may be a cause of residual pain and weakness after hip arthroplasty, but the current incidence is unclear.
Methods: From 1994 to 2009, the senior surgeon performed 1628 hip resurfacing and 864 total hip arthroplasties without identifying any gluteal tears. We recognized our first case of concomitant abductor tear during a hip resurfacing procedure in April 2009.
J Funct Biomater
December 2024
Adult Spine Orthopaedics Department, W. Dega Orthopaedic and Rehabilitation Clinical Hospital, Poznan University of Medical Sciences, 28 Czerwca 1956 Street 135/147, 61-545 Poznan, Poland.
The prototype of a biomimetic multi-spiked connecting scaffold (MSC-Scaffold) represents an essential innovation in the fixation in subchondral trabecular bone of components for a new generation of entirely cementless hip resurfacing arthroplasty (RA) endoprostheses. In designing such a functional biomaterial scaffold, identifying the microstructural and mechanical properties of the host bone compromised by degenerative disease is crucial for proper post-operative functioning and long-term maintenance of the endoprosthesis components. This study aimed to explore, depending on the occurrence of obesity, changes in the microstructure and mechanical properties of the subchondral trabecular bone in femoral heads of osteoarthritis (OA) patients caused by the MSC-Scaffold embedding.
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