delayed union
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria 1. All patients were long bone closed fracture, the fracture line was still clear in X-ray examination 4-6 months after the fracture, and there was no sign of healing, fracture gap <5mm, no abnormality in hemagglutination examination, local soft tissue condition was good, no infection.
Exclusion criteria
Exclusion criteria: Exclusion criteria 1. Open fracture; 2. Pathological fracture; 3. Aged patients > 60 years old;4. Patients with peripheral vascular diseases and metabolic or endocrine disorders that may affect articular cartilage, such as rheumatoid arthritis, diabetes, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fracture ununion distance; | — |
Secondary
| Measure | Time frame |
|---|---|
| Maximum distance of unhealed fracture surface; | — |
Countries
China
Contacts
Shanghai Sixth People's Hospital