summary

Repair v Meniscectomy

Stein et al Am J Sports Med 2010

- follow up of repair v partial meniscectomy for 8 years

- repair group: 96% return to preinjury activity, 20% develop OA

- partial meniscetomy: 50% return to preinjury activity, 50% develop OA

Shelbourne et al Am J Sports Med 2003

- repair v partial meniscectomy in ACLR

- equal results in each group

- 90% good outcome in each group

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%

Antibiotic Properties

Bacteriocidal

- B Lactams

- Aminoglycosides

- Flouroquinolones

- Fusidic acid / rifampicin

- Co-trimoxazole / Nitroimidazoles

- Vancomycin

Bacteriostatic

- erythromycin / clindamycin

- tetracyclins

- suphonamides / trimethorim / nitrofurantoin

- Chloramphenicol