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HAI Surgical Site Infections - Coggle Diagram
HAI Surgical Site Infections
Epidemiology
15-20% of nosocomial infections
Superficial incisional infection
Deep incisional infection
Organ (space) infection
Risk factors
Intrinsic
Old age
Malnutrition
Underlying disease
Diabetes
Obesity
Cancer
Immunosuppression
Extrinsic
Surgeon-related
Experience
Length of operation
Surgical technique
Prolonged preoperative stay
Preoperative shaving
Abdominal drains
Contamination during surgery
Causative organisms
Depends on
location
and
type
of surgery
Most common:
Staph. aureus
GI/GU tract surgery
Gram - bacteria
Contamination of surgical wound
Patient flora
Skin
GIT
Flora of operating room personel
Flora of environment during operation
Clinical Manifestations
Localised pain
Redness
Prurulent discharge
Treatment/Prevention
Prevention
Short preoperative hospital stay
Perioperative antibiotic prophylaxis
Surgery with high incidence of post-operative infection
Surgery where infection would be especially hazardous
Prosthetics
Usually single dose IV at induction of anaesthesia
Optimize patient risk factors
Optimal surgical technique
