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Archive Copy - 1999 Annual Meeting Scientific Program. Polyethylene: The Past, Present and Future

NEW YORK (Reuters Health) Apr 02 - A review of studies looking at anticoagulant prophylaxis after hip and knee arthroplasty reveals that not only do these agents fail to completely prevent pulmonary embolism (PE), their use may actually increase all-cause mortality. The results, which appear in the March issue of Clinical...

FLEXION | Newsletter for Orthopedic Surgeons Volume 4 - Number 1 September 1996
Enhanced Instrumentation for Removal of a Bone Plug and Cement in the Distal Canal
Jeffrey M. Hayer, MD Attending Orthopaedic Surgeon Franklin Medical Center Greenfield, Mass

Full Text of JBJS B 81: 3, 495 Replacement of the proximal humerus in 18 children aged between 6 & 12 after bone tumour resection. The prosthesis allowed lengthening which was performed on 11 patients (mean 3 cms)

Rabin, Graf, Hopkinson & Hallab 2005
Metal hypersensitivity is commonly reported in the literature and can include hypersensitivity related to pacemakers, dental implants, and orthopedic hardware. The development of metal sensitivity after implantation of orthopedic hardware is common.
The clinical significance of metal sensitization remains a question. Nonetheless, the orthopedic surgeon must...

Archive copy
Implant Wear in Total Joint Replacement: Clinical and Biologic Issues, Material and Design Considerations Edited by Timothy M. Wright, PhD and Stuart B. Goodman, MD, PhD A symposium held in October 2000 Table of Contents Clinical Issues Chapter 1 What is the clinical scope of implant wear in the hip and how has it changed...

Abstract Journal of Bone and Joint Surgery - British Volume, Vol 88-B, Issue 11, 1487-1491.
Custom-made intercalary endoprostheses may be used for the reconstruction of diaphyseal defects following the resection of bone tumours. The aim of this study was to determine the survival of intercalary endoprostheses with a lap joint design,...

This patient has a very interesting clinical history. On this occasion, presenting with a pathological fracture secondary to a Pleomorphic rhabdomyosarcoma with a high mitotic rate. This was an extremely aggressive and highly malignant tumour and is the fourth primary tumour for this patient. The surgery was...

The Oswestry Outcome Centre is an organisation dedicated to the the collection of clinical data and assessment of major planned operations. Aims are to provide evidence of expertise in the field of major joint arthroplasty. To enable us to plot an individuals progress against a standard survival curve in order... Expert

JBJS B 78; 4; 1022 1996 full text
Custom made endoprostheses were used in 18 patients with median follow-up 65 months. "We conclude that diaphyseal endoprostheses offer a good clinical and functional outcome in the lower limb"

originally Charnley used High Density Polyethylene and later this was changed to Ultrahigh Molecular Wt Polyethylene
- impact strength of UHMWPE is higher than that for HDPE and the density of UHMWPE is much lower than for...

Instruments validation Alejandro Allepuz , Mireia Espallargues , Montse Moharra , Merce Comas , Joan MV Pons and Network Research Group on Support Instruments IRYSS BMC Health Services Research 2008, 8:76 Abstract and link to free full text
Prioritisation instruments were developed for patients on waiting list for hip and knee...

Details in Table 1 of this paper

A case of Total Hip Arthroplasty infection with Staphylococcus aureus co-infected with Salmonella choleraesuis was treated with two-stage exchange and administration of vancomycin and ciprofloxacin. No signs of re-infection have appeared 14 months after surgery. Cases of Salmonella infection of hip prostheses are quite rare, with only a handful of...

Wheeless Textbook of Orthopaedics Discussion: - most common complication in total hip arthroplasty and most common cause of component failure; - osteolysis is a time dependent process which arises from inflammatory reaction against polyethylene particulate debris; - patho-biology: ...