Early Migration in a High Congruent Rotating Platform Total Knee Prosthesis Design

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

11 participants

Study Classification

OBSERVATIONAL

Study Start Date

2007-09-30

Study Completion Date

2010-04-30

Brief Summary

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The aim of this study is to accurately assess the relationship between knee joint kinematics and migration of the tibial component of a high congruent, rotating platform total knee prosthesis by using fluoroscopy synchronised in time and space with a force plate, an external motion registration system and Electromyography (EMG).

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Detailed Description

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Conditions

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Rheumatoid Arthritis

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Patient is diagnosed with osteoarthritis and requiring primary arthroplasty
* Patient is capable of giving informed consent and expressing a willingness to comply with this study
* Patient has no major deformities
* The ability to perform a lunge and step-up motion without the help of bars or a cane.
* No or slight pain during activity according to the Knee Society Pain Score (Ewald, 1989; Insall et al., 1989)

Exclusion Criteria

* The patient is unable or unwilling to sign the Informed Consent specific to this study
* The individual has a functional impairment of any other lower extremity joint besides the operated knee
* Patient has a flexion contracture of more than 15°
* Patient has a varus/valgus contracture of more than 15°
* Patients requiring revision arthroplasty
* The patient does not understand the Dutch or English language good enough to participate.
* The use of walking aids
* The inability to walk more than 500 meters

Eligible Sex

ALL

Accepts Healthy Volunteers

No