A Study to Determine A Patient's Preference for Direct Anterior Approach Versus Posterior Approach in Primary Total Hip Arthroplasty


About this study

The purpose of this study is to collect the patient’s perspective on total hip arthroplasty (THA) approach in a single-surgeon, crossover cohort of patients who first underwent total hip arthroplasty using a posterior approach followed by a direct anterior (DA) THA.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Adult who has undergone posterior approach total hip arthroplasty (THA) followed by direct anterior THA by the Principal Investigator with inpatient and clinic charts available.

Exclusion Criteria: 

  • Revision THA.
  • Conversion THA.
  • Intraoperative periprosthetic fracture.
  • Patient deceased.
  • No chart data.


Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Jacksonville, Fla.

Mayo Clinic principal investigator

Kurt Blasser, M.D.

Contact us for the latest status

Contact information:

Lori Chase B.S., CCRP



More information


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