osteoarthritis

STT OA

Definition

 

OA of the scapho-trapezium-trapezoidal joints

 

Epidemiology

 

50% patients with CMC OA have STT OA

F > M

 

Xray

 

STT OASTT Arthritis 2

 

Management

 

Management

Acute management

 

Resuscitation

 

EMST

Neurovascular assessment

Investigations - exclude Pipkin, NOF

Emergent reduction / skeletal stabilisation

Assess stability

Re-evaluate sciatic nerve

 

Insertion Femoral Steinman Pin

 

Indications

- displaced acetabular fracture

 

Tibial Plateau

 

Schatzker Classification

 

I.  Lateral Spilt 

- seen in young patient

- lateral meniscus can be incarcerated in fracture

 

Tibial Plateau Schatzker 1

 

II.  Lateral Split Depression

- often seen in young patients with high energy injuries

- vary in severity

 

Latarjet / Bristow

Bristow

 

Concept

 

Non-anatomical bony block 

- transfer of coracoid process through subscapularis

- dynamic anteroinferior musculotendinous sling

- provides subscapularis tenodesis

- preventing lower portion from displacing proximally as arm abducted

- when shoulder in vulnerable position abduction and ER