patients with orthopedic implant, including spinal, hip arthroplasty and knee arthroplasty implants
Conditions
Interventions
Hip replacement group:None
Knee replacement group:None
spinal implants group:None
Sponsors
Peking University First Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.Spinal implants group: (1) Age >= 18 years old; (2) Patients with cervical, thoracic, or lumbar metal implants who voluntarily underwent MRI examination of the corresponding regions; (3)There were no pacemakers. 2.Hip arthroplasty implants group:1) Patients with hip arthroplasty implants who voluntarily underwent bilateral hip MRI examination; 2)There was no pacemakers. 3.Knee arthroplasty implants group: 1) Patients with knee arthroplasty implants who voluntarily underwent operated knee MRI examination. 2)There was no pacemakers.
Exclusion criteria
Exclusion criteria: 1.Spinal implants group:(1)Age < 18 yrs; 2) The image is incomplete, or motion artifacts are obvious. 3)Claustrophobia; 2.Hip arthroplasty implants group: (1)The image is incomplete, or motion artifacts are obvious. 2)Claustrophobia. 3.Knee arthroplasty implants group: (1)The image is incomplete, or motion artifacts are obvious. 2)Claustrophobia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| metal implants measure;metal artifacts;overall image quality;near metal anatomy of spinal surgery patients (bone marrow, discs, neural foramen, spinal canal);near metal anatomy of patients with hip arthroplasty (bone marrow, joint, muscles);near metal anatomy of patients with total knee arthoplasty (bone marrow, joint, muscles);near metal anatomy of patients with unicondylar knee arthroplasty (bone marrow, joint, ligament, meniscus, muscles); | — |
Secondary
| Measure | Time frame |
|---|---|
| disease diagnosis of spinal surgery patients (vertebrae lesions, herniated disc, neural foramen stenosis, canal stenosis);disease diagnosis of patients with unicondylar knee arthroplasty (bone lesions, joint abnormal, meniscus injury, muscle abnormal);disease diagnosis of patients with total knee arthroplasty (bone lesions, joint abnormal, muscle abnormal);disease diagnosis of patients with hip arthroplasty (bone lesions, joint abnormal, muscle abnormal); | — |
Countries
China
Contacts
Public ContactGe Gao
Peking University First Hospital
Outcome results
None listed