technique

Indications for THA

Osteoarthritis

- abnormal morphology

- loss of head neck offset

- bony impingement on acetabulum

AVN

Location

Krudwig et al KSSTA 2004

- 85 intra-articular ganglions

- 49 ACL, 16 PCL

- 12 from anterior horn meniscus, 3 posterior horn meniscus

- 3 from fat pad

Cruciate ligament ganglion

Technique

Surgical technique PDF using trans-septal portal

Indications

Deformity correction

Indications

Poor soft tissues

- prohibit ORIF

Non union

Infected non uniion

Malunion / deformity

Bone loss / bone transport / LLD

Concept

Distal Tibial Allograft

Indication

Bony defects > 30 %

Options

- Latarjet - may be insufficient for lesions in the region of 50%

- Iliac crest - associated with high incidence of OA
- distal tibial allograft - radius of curvature matches glenoid highly

Indications

Engaging Hill Sachs

Definition

Platelet rich plasma

Concept

2 main components

1.  Platelets

- contain PDGF, TGF, VEGF

2.  Growth factors

- ILGF

- FGF

Formed from the separation of whole blood into plasma and RBC

- separation usually achieved with centrifugation

Platelet concentration

AO Classification

Types

1. Supracondylar

2. Unicondylar

3. Intracondylar

Xrays

Supracondylar / Extra-condylar