Australian Joint Registry

Indications

Patient > 70

Gjertsen et al JBJS Am 2010

- 4335 patients > 70 with displaced subcapital fractures

- minimum 1 year follow up

- 1 year mortality same in each group / 25%

- 22% reoperation in ORIF v 3% in hemiarthroplasty

- more pain / higher dissatisfaction / lower quality life in ORIF group

Options

Hemiarthroplasty

- unipolar monoblock

- unipolar modular

Numbers

9 years up to 31 December 2009

- 289 000 TKR

- 80% primary

- 11% primary partial

- 8.5% revision

TKR Revision Rate 

9 year revision rate of 5.1% OA

- 4.5% in RA

Causes

- loosening  30%

- infection   20%

2009 / Revision Rates 8 year

Prosthesis Type All Diagnosis 7 year

Unipolar Monoblock 6.8%

Unipolar Modular 6.8%

Bipolar Hemi 4.2%

Cemented THR 3.8%

Cementless THR 4.4%

Hybrid THR 3.9%