Direct anterior approach, DAA, cost-effectiveness, posterolateral, total hip arthroplasty, THA, minimal invasive, Heuter
Conditions
Interventions
Posterolateral approach total hip arthroplasty versus direct anterior THA
Sponsors
Medisch centrum Alkmaar
Eligibility
Inclusion criteria
Inclusion criteria:  Willing and able to participate in the study protocol;  Age between 18 and 80 years  ASA Physical Status I & II  Diagnosed with osteoarthritis of the hip  Subjects for who it is decided that they will undergo an uncemented THA at Medical Centre Alkmaar.  Subjects who are able to give voluntary, written informed consent to participate in this clinical investigation and from whom consent has been obtained.  Subjects, who, in the opinion of the Clinical Investigator, are able to understand this clinical investigation, cooperate with the investigational procedures and are willing to return for all the required post-treatment follow-ups.
Exclusion criteria
Exclusion criteria:  Patients with previous surgery to the ipsilateral or controlateral hip;  Patients with posttraumatic changes of the pelvis or femur;  Patients with inflammatory arthropathies;  Patients diagnosed with osteoporosis  Patients diagnosed with rheumatoid arthritis  Patients who suffer from insulin dependant diabetes  Patients who lack understanding of the Dutch language  Patients who are treated for or diagnosed with neurological or muscle disorders which make assessment of pain and gait not possible
Design outcomes
Primary
| Measure | Time frame |
|---|---|
|  Hip pain and symptoms assessed using the symptoms, pain and activities of daily living (ADL) subscales of the Hip Dysfunction and Osteoarthritis Outcome Score (HOOS) after three months  Perceived pain in the week before the moment of assessment, assessed using a Visual Analogue Scale (VAS) after three months | — |
Secondary
| Measure | Time frame |
|---|---|
|  Hip pain and symptoms assessed using the sports & recreation and quality of life subscales of the Hip Dysfunction and Osteoarthritis Outcome Score (HOOS)  Length of hospital stay  Quality of life assessed using the EQ-5D  Functioning during daily living assessed using the HOOS  Quality of walking assessed during a timed up and go test and a two times 50m walk using inertial sensors  Operation time, blood loss, and other parameters of the surgical procedures  Cup and stem positioning assessed using standard radiography  Cost-Effectiveness assessed using the cost-questionnaire  Muscle status assessed using MRI in a sample of 15 patients from each group  Positioning of the implant assessed using CT scans in a sample of 15 patients from each group.  All complications related to the surgery and rehabilitation  Productivity costs  Direct medical costs (costs of additional radiography, medical consumption) | — |
Contacts
Public ContactCORAL – Center for Orthopaedic Research Alkmaar
Medical Centre Alkmaar - Department of Orthopaedics
Outcome results
None listed