healthcare associated infections Flashcards
what are synonyms to health care associated infections ?
nosocomial or hospital acquired infections
what is the usual nature of these HAI ?
not present at the time of admission
usually present after 48 hours of hospital admission
what are some of the risk factors of HAI ?
- length of stay at the hospital
2 .mechanical ventilatory support
3 .stay in ICU - receipt of IV ab within the last 90 days
what are the types of HAI ?
- catheter associated UTI
- Bloodstream infections
- Surgical site infections
- Pneumonia
what is the leading pathogen in hospital acquired infections ?
c.difficile
followed by staph aureus
what is the most important factor associated with CAUTI ?
prolonged use of the urinary catheter
what is the most frequent organism causing CAUTI (catheter) ?
E.coli
what is the most common causative organisms causing central line associated bloodstream infections ?
- cogulase negative staphylococi
- staph aureus
- enterococcus
which veins should be avoided in central line catheters ?
femoral vein in adult patients
what are the most common organisms causing surgical site infections ?
- staph aureus
- coagulase negative staphylococci
- enterococci
what is the most appropriate measure for a patient with a known carriage of nasal S.UREUS ?
Perioperative intra nasal applications of mupirocin ointment with or without combination of CHG body wash
what is the most effective approach to reducing SSI in adult patients undergoing colorectal surgery ?
combination of preoperative oral antibiotics and mechanical bowel preparation
what is the best way to handle hair in surgery ?
hair should either not be removes of if necessary to only be clipped
shaving is discouraged
what is important to remember before a surgical incision ?
surgical antibiotic prophylaxis
what is the time period in which surgical antibiotic prophylaxis should be administered ?
120 min before the incision
which antiseptic solution should be used for surgical site skin preparation ?
CHG
what are the measures that should be taken into consideration regarding general anesthesia with endotracheal intubation ?
patients should receive 80% fraction of inspired oxygen intra-operativley and if feasible in the immediate postoperative period for 2-6 hours
should surgical antibiotic prophylaxis administration be continues after the surgery ?
no
what are the organisms involved in hospital acquired pneumonia ?
p.aeruginosa
staphylococcus aureus
including MRSA and MSSA
what are the methods of reducing HAI at a hospital level ?
hand hygiene, PPE, cleaning wounds
what are the methods of reducing HAI at a government level ?
improve reporting and surveillance systems
what are the 5 moments of hand hygiene ?
1. before touching a patient 2 .before aseptic procedure 3. after body fluid exposure 4. after touching a patient 5. after touching patient surrounding
what are the drug resistant bacterias ?
klebsiella pneumoniae is resistant to carbapanems
E.coli is resistant to fluoroquinolone
which bacteria is in a threatening progress to become antibiotic resistant ?
Mycobacterium tuberculosis
which fungi is resistant to anti-fungals ?
candida auris