Status:

COMPLETED

Computer Navigation vs Conventional Technique in Knee Arthroplasty

Lead Sponsor:

Haukeland University Hospital

Collaborating Sponsors:

The Research Council of Norway

Conditions:

Knee Osteoarthritis

Rheumatoid Arthritis

Eligibility:

All Genders

50-85 years

Phase:

NA

Brief Summary

Project summary: Background: Computer navigation in knee replacement surgery is increasingly being used around the world, but the documentation of its usefulness is lacking. In order to critically ev...

Detailed Description

Protocol 1. Introduction: We will perform a prospective, randomized, clinically controlled RSA trial comparing: 1. Profix cemented bicompartmental knee prosthesis implanted with conventional intr...

Eligibility Criteria

Inclusion

  • men and women age 50-85 years old
  • primary and secondary knee osteoarthritis
  • rheumatic arthritis of the knee
  • well compensated heart or lung disease(ASA-grad 1-3)
  • patients recruited from orthopaedic departments at Haugesund hospital og Haugesund Sanitetsforenings Revmatismesjukehus, Haukeland university hospital, Lovisenberg Diakonale hospital
  • informed consent
  • MMS-score \> 20 elir. , tas MMS også dag 2
  • Hb \> 11,5 for women and Hb \> 13 for men

Exclusion

  • advanced systemic disease
  • general or local infection
  • neurological or myogenic disease
  • Paget's disease of bone
  • bone cysts in the tibia or femur \> 2 cm in diameter and within 2 cm from the articular surface
  • liver disease
  • uncontrolled haematological disease
  • B-TRC \< 165
  • B-Hb \< 11,5 for women
  • B-Hb \< 13 for men
  • cancer
  • uncontrollable heart or lung disease (ASA-class 4)
  • dementia
  • immobile hips
  • hip replacement in ipsilateral hip
  • knee injury \< 1år earlier
  • metal allergy
  • extreme valgus deformity \> 15 degrees or curvature of the tibia, necessitating extramedullary device
  • earlier fracture of the femur makes it impossible to use intramedullary rod Osteotomy of the proximal tibia og distal femur
  • BMI \> 35
  • Only one knee recruited per patient

Key Trial Info

Start Date :

January 1 2009

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 1 2023

Estimated Enrollment :

192 Patients enrolled

Trial Details

Trial ID

NCT00782444

Start Date

January 1 2009

End Date

January 1 2023

Last Update

November 21 2025

Active Locations (4)

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Page 1 of 1 (4 locations)

1

Haugesund sanitetsforenings revmatismesykehus

Haugesund, Haugesund, Norway, 5504

2

Lovisenberg diakonale sykehus

Oslo, Oslo County, Norway, 0456

3

Haukeland university hospital

Bergen, Norway, 5021

4

Haugesund hospital

Haugesund, Norway, 5504