classification

Background

 total shoulder arthroplast allPoly Glenoid

 

Indications

 

RA 

OA 

AVN 

 

Contra-indications

 

Infection

Charcot

Paralysis of deltoid

Torn rotator cuff

Insufficient glenoid bone stock

 

Burst Fractures

 

Definition

 

Burst fractures

- injury to anterior and middle columns +/- posterior column

 

Mechanism

 

Vertical compression

 

Epidemiology

 

10% cervical fractures

Most commonly C5/6

 

Pathology

 

Anterior & middle columns fail

- if severe, posterior ligament complex fails

Injury

Classification Leffert "OCRO"

 

I Open

 

II Closed

 

A  Supraclavicular 

- Preganglionic / Avulsion of Roots

- Postganglionic / Rupture of Trunks

 

B Infraclavicular

- cords & branches

 

C.  Post anaesthetic

 

III Radiation / Other

 

Tumour

Background

Aetiology

 

Intrinsic

- inflammatory

- degenerative

 

Extrinsic

- traumatic

- spur

 

Epidemiology

 

F > 40

 

Associations 60% of cases  

- hypertension

- diabetes

- obese

- trauma 

- prior surgery

- steroids