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Internet resources relating to Revision Hip Replacement
[OCOSH Code: D019644 280460009 OP_AP_R_H_RV]

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2011 Influence of prosthesis design and implantation technique on implant stresses after cementless revision THR

Location: http://www.josr-online.com/content/6/1/20

Femoral offset influences the forces at the hip and the implant stresses after revision THR. For extended bone defects, these forces may cause considerable bending moments within the implant, possibly leading to implant failure. This study investigates the influences of femoral anteversion and offset on stresses in the Wagner SL...
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View Details Visit Resource Review It Rate It Bookmark It Added: Sun May 15 2011

2011 Perivascular and diffuse lymphocytic inflammation are not specific for failed metal-on-metal hip implants CORR Open Access

Location: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3048271

Background Several studies suggest that histologic findings from tissues obtained at revision arthroplasty for failed metal-on-metal (MOM) total hip implants may reflect an immune reaction to particles or ions in some patients. However, only a limited number of cases without MOM implants were reported as controls in those studies.
Questions/purposes The purpose of...
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View Details Visit Resource Review It Rate It Bookmark It Added: Wed May 04 2011

Acetabluar Component Loosening

Location: http://www.wheelessonline.com/ortho/acetabular_component_loosening

Wheeless Textbook of Orthopaedics (THR) - Loosening of Uncemented Acetabular Components: (press fit acetabular components) - normal bone ingrowth: - generally for bone ingrowth to occur, the component must lie with 50 micrometers of the...
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View Details Visit Resource Review It Rate It Bookmark It Added: Wed Apr 19 2006

Bone healing of severe acetabular defects after revision arthroplasty

Location: http://www.informaworld.com/smpp/content~db=all?content=10.3109/17453670902947416

Healing of acetabular bone grafts may be difficult to assess in conventional radiographs. We used PET to analyze healing of morselized bone allografts, impacted in large osteolytic acetabular defects at revision arthroplasty.
NTERPRETATION: We found PET to be a sensitive and useful method for evaluation of the spatial and temporal development...
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View Details Visit Resource Review It Rate It Bookmark It Added: Sat Oct 31 2009

Case Presentation Aseptic Loosening

Location: http://www.iol.ie/~rcsiorth/journal/volume3/issue2/van4.htm

A 52 yr old lady presented to the complex joint clinic complaining of right thigh pain for the past 2 months. The pain is exacerbated by rising from a sitting position, walking and especially when turning or changing direction when walking. It is a constant dull ache. She is now...
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View Details Visit Resource Review It Rate It Bookmark It Added: Fri Jun 05 2009

Cement Removal using Ultrasonic Tools in Revision THA

Location: http://www.aboutjoints.com/physicianinfo/topics/cementhip/ultrasonic.htm

Paul E. Di Cesare, MD Co-Director, Arthritis Service Director, Cartilage & Bone Research Center Hospital for Joint Diseases Orthopaedic Institute New York
Removal of well-fixed or loose, cemented (polymethylmethacrylate) total hip components presents many challenges to the orthopaedic surgeon. In cases of loose components with extensive bone-cement radiolucencies, extraction may not be too difficult because...
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View Details Visit Resource Review It Rate It Bookmark It Added: Tue Mar 11 2008

Clinical and Radiological Results of Extended Trochanteric Osteotomies versus Intraoperative Femoral Fractures in Revision Hip Arthroplasty

Location: http://www.jortho.org/2007/4/4/e6/index.htm

Removal of the femoral stem can be challenging for the orthopaedic surgeon. The decision between performing an extended trochanteric osteotomy (ETO) or trying to remove the femoral stem without an osteotomy and taking the risk of an intraoperative fracture is often hard to make.
Purpose of the study was thus to...
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View Details Visit Resource Review It Rate It Bookmark It Added: Fri Jun 05 2009

Does a cemented cage improve revision THA for severe acetabular defects CORR Open Access

Location: http://www.ncbi.nlm.nih.gov/pubmed/20857251

CONCLUSIONS: Cementing the cage to the pelvis can offer an advantage for treating severe acetabular defects. Trabecular metal augmentation appears to provide better initial mechanical stability than a structural allograft, but successful allograft reconstruction may restore bone stock.
Does a cemented cage improve revision THA for severe acetabular defects? Hansen E, Shearer...
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View Details Visit Resource Review It Rate It Bookmark It Added: Mon Apr 18 2011

Perivascular and diffuse lymphocytic inflammation are not specific for failed metal-on-metal hip implants CORR Open Access

Location: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3048271

Perivascular and diffuse lymphocytic inflammation are not specific for failed metal-on-metal hip implants. Fujishiro T, Moojen DJ, Kobayashi N, Dhert WJ, Bauer TW. Clin Orthop Relat Res. 2011 Apr;469(4):1127-33. (full text)
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View Details Visit Resource Review It Rate It Bookmark It Added: Mon Apr 18 2011

Reassessment of the Usefulness of Frozen Section Analysis for Hip and Knee Joint Revisions Medscape

Location: http://www.medscape.com/viewarticle/580470

Intraoperative frozen section (FS) consultation is used in evaluating possible infection in cases of hip and knee revision arthroplasty, serving as an adjunct to preoperative and intraoperative studies. We examined our experience for more than 11 years to determine if FS examination had value when sections were sent unselectively. As...
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View Details Visit Resource Review It Rate It Bookmark It Added: Thu Oct 02 2008

Revision THA using an antibiotic-loaded spacer in two stages

Location: http://www.orthosupersite.com/view.asp?rid=23488

Now that orthopedic surgeons have an established standard of care for infected total hip arthroplasty, one expert is advocating they now focus on finding a cure for the 4% to 5% of cases that become reinfected. According to Clive P. Duncan, MD, FRCS(C), two-stage revision using a temporary prosthesis made of...
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View Details Visit Resource Review It Rate It Bookmark It Added: Fri Jun 05 2009

Revision Total Hip Replacement Wheeless

Location: http://www.wheelessonline.com/ortho/__100

Notes on -
- evaluation of the painful THR
- indications for revision:
- evaluation for loosening:
Examination
Pre-op planning
Surgical Technique
Wheeless' Textbook of Orthopaedics
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View Details Visit Resource Review It Rate It Bookmark It Added: Mon Feb 04 2002

Revisions of extensive acetabular defects with impaction grafting and a cement cup CORR Open Access

Location: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3018199

Conclusions Acetabular reconstruction with impaction bone grafting and a cemented cup is a reliable technique with a 10-year survival rate of 88% in patients with extensive acetabular deficiencies.
Revisions of extensive acetabular defects with impaction grafting and a cement cup. van Egmond N, De Kam DC, Gardeniers JW, Schreurs BW. Clin Orthop Relat Res....
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View Details Visit Resource Review It Rate It Bookmark It Added: Mon Apr 18 2011

Rheumatoid nodules at the cement-bone interface in revision arthroplasty of rheumatoid patients

Location: http://www.jbjs.org.uk/cgi/reprint/75-B/3/455

We studied the histology of the cement-bone interface and the regenerated synovium in ten aseptically loosened arthroplasties in rheumatoid patients. In two patients we found rheumatoid nodules at the cement-bone interface and marked lymphoplasmacytic infiltration in another three. Failed joints in osteoarthritic patients did not show these changes, and it...
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View Details Visit Resource Review It Rate It Bookmark It Added: Fri Nov 13 2009

Spinal anesthesia by mini-laminotomy for a patient with ankylosing spondylitis who was difficult to anesthetize CORR Open Access

Location: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2974874

Background Orthopaedic surgeons frequently encounter patients with ankylosing spondylitis who would benefit from various types of lower limb operations; however, some of these patients present challenges for anesthesiologists.
Case Description We report the case of a 65-year-old patient with a fractured femoral component 30 years after a cemented THA. The patient had severe...
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View Details Visit Resource Review It Rate It Bookmark It Added: Mon Apr 18 2011

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