Evaluating hip approaches and navigation in total hip replacement for leg length discrepancies

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to collect clinical and radiological data from patients undergoing total hip arthroplasty at the Rizzoli Orthopaedic Institute. It will compare the safety and efficacy of different surgical approaches—anterior, direct lateral, and postero-lateral—using both traditional and navigation-assisted techniques. The primary focus is on reducing leg dysmetria and ensuring proper acetabular cup inclination during surgery. Secondary objectives include assessing prosthesis positioning, surgical timing, and the accuracy of preoperative planning over a one-year follow-up period.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Age between 50 and 80 years;
2. Signs and symptoms of hip osteoarthritis (pain intensity of at least 6 points of visual analogic scale pain - 0-10 scale in the previous week);
3. Radiographic signs of hip osteoarthritis (Grade 3-4 according to Tonnis classification);

Exclusion Criteria:

1. Patients unable to express consent;
2. Patients undergoing previous ipsilateral hip surgery;
3. Patients undergoing lower limb surgery to be treated in the previous 12 months;
4. Patients with malignant neoplasms;
5. Patients with rheumatic diseases;
6. Patients with uncontrolled diabetes;
7. Patients with uncontrolled thyroid metabolic disorders;
8. Patients abusing alcoholic beverages, drugs or medications;
9. Body Mass Index \> 35;
10. Pregnant and/or fertile women.
11. Pain intensity less than 6 points in accordance with the visual analogic scale scale.
12. Patients with the presence of excessive deformity resulting from acetabular or femoral head dysplasia
13. Patients who have already undergone total hip arthroplasty surgery on the affected hip.
14. Previous extensive surgery of the reference joint (osteotomy around the hip, open or arthroscopic osteochondroplasty for femoral-acetabular conflict).

Where it's running

• Istituto Ortopedico Rizzoli
  Bologna, Italy Recruiting

Study contacts

• Principal investigator: Federico Raggi, MD — Isitituto Ortopedico Rizzoli
• Study coordinator: Federico Raggi, MD
• Email: federico.raggi@ior.it
• Phone: 051 6366122

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.