ቤተ መጻሕፍቲ ባይዱ
Discussion
Substitution Replacement:
Osteochondral transplants
Autologous chondrocyte implantation
Discussion
Allogeneic bone and cartilage transplantation can offer a transparent cartilage with biological activity and biomechanical properties to repair fullthickness articular cartilage defects.
Full-thickness articular cartilage injury is notoriously difficult to be treated in the fields of orthopedics and sports medicine.
Discussion
Once destroyed, is not repaired Repair cartilage is mainly of type I collagen with poor wear characteristics
Discussion
Healing Response : Pathophysiology
No blood supply No lymphatic drainage No neural element No immunological recognition
Discussion
Discussion
Physical Examination
Lame Muscle atrophy ROM:0-130
Imaging Examination
MRI
defect 2*2cm
Lab Examination
Urine RT Blood RT Liver function Renal function ECG
Other Medical History
past history：（-） personal history：（-） family history：（-）
Physical Examination
Right knee: swelling Floating patella test : (+) McMurray sign : (+) Drawer test : (-)
Variable load-bearing through a range of motion in functional activities Reduce stress on the subchondral bone & minimise friction Absorbs load-forces up to 5x body weight
LOGO
Articular cartilage injury of the knee
li yan

General Information
Name :Lu x x Male 18Y occupation :acrobat
Chief Complaint
pain, swelling,immobility of right knee for 2ms
LOGO

worsen 2ds
History of present illness
pain, immobility ,swelling of right knee for 2ms when taking exercise
2 days ago,injuried when jumping,then the symptom became worsen
All above is normal
Diagnosis
Articular cartilage injury of the knee
Surgery
Osteochondral Transplant
Result
Discussion
Function of articular cartilage: