Infection in TKR

• One of the most dreaded complications of TKR• Incidence: 1 – 2 %

• PREOPERATIVE RISK FACTORS.• PREVENTION OF INFECTION IN TKR• ORGANISMS • PROPHYLACTIC ANTIBIOTICS

DIAGNOSIS OF INFECTION AFTER TKR

• Careful history and physical examination.• Investigations • X- ray • Nuclear medicine scans • ASPIRATION

TREATMENT

• Long term antibiotic suppression,• Debridement with prosthesis retention,• Resection arthroplasty,• Knee arthrodesis,• One stage or two-stage reimplantation and• Amputation.

Choice of option

• General medical condition,• Infecting organism,• Timing and extent of infection,• Residual usable bone stock,• Status of soft tissue envelope and• Extensor mechanism continuity.