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Anatomic Factors and Axial Alignment for Postoperative Periprosthetic Hip Fractures Following Primary Total Hip Arthroplasty

The relationship between anatomical factors and lower limb force line and femoral prosthesis after total hip replacement

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100044990
Enrollment
Unknown
Registered
2021-04-03
Start date
2021-04-12
Completion date
Unknown
Last updated
2021-11-02

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

Conditions

osteoarthritis or osteonecrosis of femoral head

Interventions

Patients with femoral prosthetic fractures after initial total hip replacement:Nil
Patients who have recovered well after total hip replacement during the same period:Nil

Sponsors

Department of Orthopedics, West China Hospital, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
25 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1. The experimental group: patients undergoing femoral prosthetic fractures after the initial total hip arthroplasty; 2. The control group: patients with good functional recovery after the same period of total hip arthroplasty.

Exclusion criteria

Exclusion criteria: 1. Experimental group: (1) Patients with periprosthetic fractures after total hip revision; (2) Patients with periprosthetic infections; (3) BMI>35 kg/m^2, and with severe osteoporosis.

Design outcomes

Primary

MeasureTime frame
femoral offset;cup inclination;neck-shaft angle;acetabular abduction angle;acetabular coverage;sharp angle;the distance from the greater trochanter to the highest point of the femoral head;the change in the center of rotation;

Secondary

MeasureTime frame
the actual difference in the length of the lower limbs;the ratio of the stalk to the medullary cavity;the angle between the stalk and the medullary cavity axis;

Countries

China

Contacts

Public ContactKang Pengde

Department of Orthopedics, West China Hospital, Sichuan University

kangpd@163.com+86 18980601953

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026