Dansk English Telefonbog Log på
Besøgende siden 1. september, 2006: 2956855 Kontakt Webmaster     
 
CV
Competences
Experimental Research
Clinical Research
RSA
DEXA Scanning
Gait Analysis
Ultrasound
CT
PET
MRI
Polyethylene Wear
SF-36
Hip Dysplasia
Fast-track
Rehabilitation
Databases & Registers
Health Economic Research
Collaboration
Grants
Awards
Bone and Joint Decade
NOF Congress 2010
DEXA Scanning

The clinical survival of joint prostheses depends on the quality of the surrounding bone. BMD (bone mass density) is an important measurement for bone strenght and quality.

The bone mass density surrounding joint prostheses is quantified by use of Dual Energy X-ray Absorptiometry (DEXA), which is an exact method for measuring even small changes in the BMD surrounding hip and knee joint prostheses.

The patients are exposed to a very small dose of radiation and the scan takes only a few minutes. Normally we do three to four scans over a follow-up period of two years. When analyzing changes in the bone mass the patient functions as his own "controller".

With a variation coefficiency of 2% we normally expect to find a significant change in the body mass; i.e. higher than 3% over a period of two years.

 

The Orthopaedic Surgical Research Group has a Luna Prodigy DEXA scanner at its disposal. The scanner is used in several clinical projects detecting changes in the periprosthetic bone mass. 

We know that BMD is reduced in the three months that follow the operation, but the bone mass is stabilized and remodeled after approx. two years.

It has not yet been clarified whether migration can be correlated directly to the bone density. We hope that our clinical studies can contribute to answering this question.

 
Contact
Contact Maiken Stilling for further information.
 
Kalender

Publikationer
Blood flow restricted walking in patients suffering from intermittent claudication: a case series feasibility and safety study.
Bentzen A, Nisgaard LB, Mikkelsen RBL, Høgh A, Mechlenburg I, Jørgensen SL.
Interrater, Test-retest Reliability of the Y Balance Test: A Reliability Study Including 51 Healthy Participants.
Foldager FN, Aslerin S, Bæ Kdahl S, Tønning LU, Mechlenburg I.
Patient and public involvement to inform the protocol of a clinical trial comparing total hip arthroplasty with exercise: an exploratory qualitative case study.
Frydendal T, Thomsen KS, Mechlenburg I, Mikkelsen LR, Overgaard S, Ingwersen KG, Myburgh C.
 Ortopædkirurgisk Forskning Aarhus Universitetshospital Palle Juul-Jensens Boulevard 99 Indgang J 8200 Aarhus N Tel: +45 7846 7471 
  All rights reserved
Powered by SimpleNet CMS