intertrochanteric nonunion
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age: 18-79 years old; 2. Intertrochanteric nonunion; 3. The revision operation is: dynamic condylar screw (DCS) combined with anatomical medial buttress plate (MABP) 4. The subjects must be able to talk normally and understand the questions in the "subject subjective questionnaire", and be able to provide feedback in appropriate language;
Exclusion criteria
Exclusion criteria: 1. Allergic to implant; 2. There are clear contraindications to anesthesia and operation; 3. Serious cartilage injury of hip; 4. Avascular necrosis of the femoral head (Ficat stage 3 and 4); 5. Severe hip osteoarthritis (K-L grade 4); 6. Severe loss of bone mass in the proximal femur can not achieve the effective fixation of the internal fixation; 7. There is nonunion in other parts of the extremities, and surgery is needed at the same time or successively; 8. Postoperative nonunion of pathological fracture (such as primary or metastatic tumor); 9. Some medical diseases are not suitable for inclusion in the study, such as diabetes, metabolic osteopathy, sequelae of poliomyelitis, secondary severe osteoporosis (such as hyperparathyroidism), etc; 10. There was infective nonunion in the femoral intertrochanteric fracture of the affected side, or there was infective nonunion in other parts of the limb; 11. Segmental bone defect >= 6cm; 12. Cancer patients are undergoing chemotherapy or radiotherapy, or patients with other diseases are receiving systemic corticosteroids; 13. The patient has participated in other clinical trials in the past 3 months; 14. Patients may have poor compliance, which is not suitable for inclusion (such as daily excessive drinking or smoking, drug taking) according to the judgment of researchers; 15. Patients with poor compliance were judged by the researchers to be unable to complete the trial according to the research plan, such as schizophrenia and dementia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Lower extremity functional scale;fracture healing rate;fracture healing time; | — |
Countries
China
Contacts
Chinese PLA General Hospital