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Digital Sizing for Orthopaedic Hip Implants

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified October 2011 by Ottawa Hospital Research Institute.
Recruitment status was:  Recruiting
Information provided by (Responsible Party):
Ottawa Hospital Research Institute Identifier:
First received: April 21, 2008
Last updated: October 24, 2011
Last verified: October 2011
Hip implants come in different sizes. Currently, surgeons predict the implant size that will be needed using an analogue method whereby photos of the implant sizes are overlaid on the x-rays. In this study, we propose to use a digital, computerized method of templating which we expect will be more accurate than the overlay method.

Hip Arthritis

Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Prospective
Official Title: Photo-manipulation of Digital Radiographs and Digitized Templates as a Method for Preoperative Sizing of Total Hip Arthroplasties

Resource links provided by NLM:

Further study details as provided by Ottawa Hospital Research Institute:

Estimated Enrollment: 100
Study Start Date: October 2007

Ages Eligible for Study:   Child, Adult, Senior
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Patients booked for primary total hip arthroplasty with non-cemented prosthesis

Inclusion Criteria:

  • Patients booked for primary total hip arthroplasty with non-cemented prosthesis.
  • No previous surgery/fractures to acetabulum or femur or hip.
  • No gross bony abnormality except for osteoarthritis and avascular necrosis.

Exclusion Criteria:

  • Cancer or tumor suspected, morbid obesity, revision, previous acetabular/femur/hip surgery, gross bony deformity, calibration bar not completely pictured on radiograph, unsuccessful surgery fracture/cancer/cemented prosthesis used.
  Contacts and Locations
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Please refer to this study by its identifier: NCT00665210

Contact: Peter Thurston, MD 613-798-5555

Canada, Ontario
OHRI Recruiting
Ottawa, Ontario, Canada, K1Y 4E9
Sponsors and Collaborators
Ottawa Hospital Research Institute
Principal Investigator: Peter Thurston, MD Ottawa Hospital Research Institute
  More Information

Responsible Party: Ottawa Hospital Research Institute Identifier: NCT00665210     History of Changes
Other Study ID Numbers: 2007-511
Study First Received: April 21, 2008
Last Updated: October 24, 2011

Keywords provided by Ottawa Hospital Research Institute:
hip arthritis
implant sizing

Additional relevant MeSH terms:
Joint Diseases
Musculoskeletal Diseases processed this record on April 27, 2017