Staph aureus bacteraemias Flashcards
Are staphylococci gram positive or negative?
Gram positive
How is staph aureus acquisition classified?
Healthcare associated
Community acquired
What infections can staph aureus cause?
Skin and soft tissue infections Deep seated abscesses Necrotising fasciitis Pyomyositis Osteomyelitis Septic arthritis Discitis Infective endocarditis Pneumonia Empyema Wound infection
What are frequent sites of distant metastases?
Bones and joints
Epidural space and intervertebral discs
Native and prosthetic heart valves
Visceral abscesses in spleen, kidneys, lungs
What investigations should be done if staph aureus is suspected?
Microscopy and culture of specimens Multiple blood cultures BEFORE commencing antibiotic therapy Biopsy samples for bone infections Imaging - X-ray, CT, MRI Transthoracic ECHO
How is staph aureus treated?
Antibiotic therapy
Source identification and clearance
Appropriate surgical intervention
What antibiotics should be given for staph aureus?
Flucloxacillin
Teicoplanin
Linezolid
Daptomycin
How long should flucloxacillin be given for?
14 days minimum