Acetabular cup orientation using portable navigation system applied to total hip arthroplasty in the lateral position: augmented reality-based versus accelerometer-based navigation system A prospective randomized controlled trial

Acetabular cup orientation using portable navigation system applied to total hip arthroplasty in the lateral position: augmented reality-based versus accelerometer-based navigation system A prospective randomized controlled trial - Acetabular cup orientation using portable navigation system applied to total hip arthroplasty in the lateral position: augmented reality-based versus accelerometer-based navigation system A prospective randomized controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000045218

Enrollment

120

Registered

2021-08-23

Start date

2021-08-22

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hip joint disease scheduled for total hip arthroplasty Osteoarthritis, Rheumatoid Arthritis, Femoral head necrosis, Femoral neck fracture, rapidly destructive coxopathy, subchondral insufficiency fracture of the femoral head.

Interventions

Total hip arthroplasty performed with augmented reality-based navigation system Total hip arthroplasty performed with accelerometer-based navigation system

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients scheduled for unilateral total hip arthroplasty

Exclusion criteria

Exclusion criteria: Patients scheduled for simultaneous bilateral total hip arthroplasty. Patients scheduled for revision total hip arthroplasty. Patients scheduled for total hip arthroplasty with shortening subtrochanteric osteotomy.

Design outcomes

Primary

Measure	Time frame
The absolute values of the differences between cup inclination and anteversion angles displayed on the navigation screen and angles measured on the radiograph taken immediately after surgery in the supine position.	—

Secondary

Measure	Time frame
Any intraoperative and postoperative complications (dislocation, infection, malfunction of navigation during surgery, loosening of pins, etc.)	—

Countries

Japan

Contacts

Public ContactKenji Kurosaka

Hokusuikai Kinen Hospital Orthopaedic surgery

kenjikurosaka@yahoo.co.jp0293033003

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026