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Polyethylene Hip Resurfacing to Treat Arthritis and Severe Acetabular Insufficiency

Hip dysplasia is the leading cause of hip arthritis in young adults. These patients often participate in active lifestyles that require a full and stable range of motion. Between 2001 and 2011, 232 consecutive polyethylene resurfacing arthroplasties were performed in 201 patients with advanced arthritis from severe acetabular insufficiency due to dysplasia…

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Total Articular Knee Replacement Using Polyurethane

This study reviewed the early use of polyurethane for total knee resurfacing, the longterm results of polycarbonate urethane (PCU) for total knee replacement and conducted wear simulator testing of PCU…

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Very Large Diameter Poly Liners Show Excellent Wear Simulator Results

Shots To Grow Bone: Parathyroid Hormone 1-34 Analogues Are Promising Bone Regenerative Agents

Arguably, methods to induce bone healing, growth, and strengthening are among the most important recent advances in musculoskeletal medicine. If an equally effective strategy for cartilage restoration was possible, many problems presenting to orthopedic surgeons would be solved…

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Very Large Diameter Poly Liners Show Excellent Wear Simulator Results

Conventional wisdom has suggested that the polyethylene for hip replacement must be 6 or more mm thick. This mean only small femoral heads could be used with a reduction in stability. We tested a new highly cross linked polyethylene to 30 million cycles at a 4 mm thickness and found minimal wear…

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Adventure Sports and Sexual Freedom Hip Replacement

Some patient’s lifestyles require a completely stable hip replacement. Typically they are athletes who pursue adventure sports. Also, some patients desire a hip replacement with no restrictions on sexual position. A specialized mobile bearing hip replacement is used in these circumstances to provide for these activities…

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Resistance to Hip Resurfacing

There is still resistance to hip resurfacing among some even very accomplished and well known surgeons who feel all patients can be treated with a hip replacement…

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Resurfacing Revision

Most hip resurfacing patients assume that when a resurfacing procedure fails, revision to a total hip replacement will be their only alternative.

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Adverse Reaction to Metal Debris: Metallosis of the Resurfaced Hip

The Greatest concern after metal-on-metal hip resurfacing may be the development of metallosis.

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Polyethylene Hip Resurfacing

Since 1995 most hip resurfacing procedures have been performed using a Metal-on-Metal prosthesis. The functional results have been excellent.

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Heat Generated by Hip Resurfacing Prostheses: An in Vivo Pilot Study

In order to determine the magnitude of temperature increases in resurfaced hips, temperature sensors were placed percutaneously in both hip joints of 12 volunteer patients who had 1 or both joints resurfaced…

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Curved-stem Hip Resurfacing: Minimum 20-year Followup

Most hip resurfacing patients assume that when a resurfacing procedure fails, revision to a total hip replacement will be their only alternative.

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Charles O. Townley: Design By Reason

The career of Charles O. Townley tells a nearly complete story of the development of joint replacement surgery. The basic concepts for all his procedures were to replicate normal anatomy and his designs were calculated to transmit stress…

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Shoulder Resurfacing

We asked if shoulder resurfacing procedures improved function and had satisfactory implant survival over the long term. 61 patients (74 shoulders) with shoulder resurfacing procedures were followed for a minimum of 20 years…

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Metallosis of Resurfaced Hip

The incidence of metallosis after metal-on-metal hip resurfacing varies, yet may not be as common as feared. Metallosis can also result from metal-on- metal total hip replacement. The reasons patients develop metallosis are…

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Assisted Reproduction of the Anterior Cruciate Ligament

This article describes a technique for anterior cruciate ligament (ACL) repair using a synthetic braided ligament…

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