The purpose of this study is to monitor the performance of the DeltaMotion cup system in the treatment of patients with hip joint disease requiring a total hip replacement.Patients who enter the study will be evaluated at regular intervals following hip surgery using patient, clinical and x-ray assessments.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
250
A cementless acetabular cup with a pre-assembled ceramic liner for use in total hip replacement.
Apollo Speciality hospital, 320 Anna Salai
Chennai, India
All India Institute of Medical Sciences, Ansari nagar, South Extension
New Dehli, India
Robert Jones and Agnes Hunt
Oswestry, United Kingdom
Kaplan-Meier survivorship
To determine survivorship of the DeltaMotion Cup System at 3 years
Time frame: 3 years
Kaplan-Meier survivorship
To determine survivorship of the DeltaMotion Cup System at 10 years
Time frame: 10yrs post-surgery
Harris Hip Score
Change from baseline in the Harris Hip Score. The Harris Hip Score is used to measure the outcome of total hip replacement and covers the areas of pain, function, absence of deformity and range of motion.
Time frame: 10yrs post-surgery
Oxford Hip Score
Change from baseline in the Oxford Hip Score. The Oxford hip score is a patient completed outcomes score which is designed to assess function and pain with patients undergoing hip replacement surgery.
Time frame: 10yrs post-surgery
University of California Los Angeles (UCLA) Score
Change from baseline in the UCLA Quality of Life Score. UCLA is a patient completed outcome score used in hip replacement
Time frame: 10yrs post-surgery
Western Ontario and McMaster Universities (WOMAC) Score
Change from baseline in the WOMAC. WOMAC is a patient complete outcome score to assess pain, disability and joint stiffness in Osteoarthritis of the hip and knee
Time frame: 10yrs post-surgery
Radiological analysis
* Acetabular Migration (vertical or horizontal) less than 5mm * Acetabular Migration (varus or valgus) less than 5 degrees * No loosening - absence of acetabular radiolucencies of greater than 2mm in two zones.
Time frame: 10yrs post-surgery
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