Comparison Of Posterolateral and direct Anterior approach in uncemented total hip arthroplasty: treatment outcome and cost-effectiveness

 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.

 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