Migration Pattern of C-stem AMT Versus Exeter in Total Hip Arthroplasty

Ullevaal University Hospital70 enrolled

Overview

Hypothesis: Migration of C-Stem AMT is equal to the well documented Exeter prosthesis In Norway it is annually performed approximately 600 primary and 100 revisions THA. Osteolysis around the prosthesis is one of the major difficulties while performing revision surgery. C-stem is a triple tapered cemented prosthesis designed to increase the stress and strain of proximal femur and thereby decreasing osteolysis. We are planning til include 70 patients and randomize to C-stem AMT or Exeter prosthesis. Both prosthesis will be combined with previously non documented "Marathon" acetabular prosthesis. The result will be followed clinically and with RSA and DXA. Soft endpoint after 2 years

Study Type

OBSERVATIONAL

Enrollment

Conditions

Coxarthrosis

Eligibility

Sex: ALLMin age: 30 YearsMax age: 80 Years

Medical Language ↔ Plain English

Inclusion Criteria: * coxarthrosis Exclusion Criteria: * age over 80 * major medial condition such as renal failure, chronic obstructive lung disease heart failure etc

Locations (1)

Oslo University Hospital

Oslo, Oslo, Norway

Outcomes

Primary Outcomes

Migration of femur- and acetabular prosthesis measured by RSA

Time frame: 2008-2012

Secondary Outcomes

Periprosthetic osteolysis of proximal femur

Time frame: 2008-2012