david r. woodard msc, cic, cphq, cls hospital ecology
TRANSCRIPT
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DAVID R . WOODARDMSC, CIC, CPHQ, CLS
Hospital Ecology
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What is it all about
What is “normal”What is unusualWhat is totally weirdWhat is OMG
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Usual or Normal
Organisms that are encountered with some degree of frequency
Antimicrobial susceptibilities that are common
Usual organisms in usual places ICU Rehab MRSA
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MRSA and VRE
Are all MRSA equal? Community acquired Hospital acquired
VRE Faecium Faecalis
CohortScreen
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Unusual
Organisms that you know occur infrequently in your populations
Organisms with uncommon susceptibilities but you recognize
Common organisms in unusual settings
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Totally weird
Organisms with names you cannot pronounceOrganisms that Micro calls you aboutOrganisms in places they shouldn’t be –
Salmonella in spinal fluid Chyrsobacterium in sputum
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OMG
Lots of the same bug in an inappropriate setting 6 sputum cultures positive for Echinobacteria all in
the same day All AFB from the same day all positive for M.
gallinariumBugs you have never heard of or were just on
“Good Morning America”
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Antibiotics
Know your antibiogram Is amikacin resistant E. coli “normal in your hospital How many carbepenemase producing Klebsiella do
you see in a time intervalInduceable clindamycin resistance in MRSAPan-resistant organisms
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ANTIBIOGRAM
A cumulative table comparing bacteria to the antibiotics that are used for testing
Expressed a % susceptibleCompare year over year when possiblePrepared by microbiology/infection
control/pharmacy
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Antibiotic susceptibility
Standards are published by CLSIBreakpoints
The point (concentration) where an antibiotic is determined to be no longer effective
Change per CLSIEffect isolation practices –
2010 Cephalosporin/enterobacteriaceae major changes
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So what
Do you have a good communication system with your lab
Critical values Bugs Drugs
Authority Confidence
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Authority
Implement isolation protocolsEnforce isolation protocolsHand hygieneConsequences
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Confidence
Know and understand your programKnow and access your resources
Library Internet State
Carry your expertise – just in time education
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Where do bugs come from
Sources of organisms Patients normal flora Patient’s transient flora
Other units/hospitals Outside facilities
Environment Equipment Supplies
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Patients own flora
GutPrior hospital exposure
Medical Tourist (KPC) Delhi metallo-enzyme
Antimicrobial resistant strains from far away places with strange sounding names
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Imported flora
Acinetobacter calocaceticusKlebsiella pneumoniae (KPC)Salmonella sps (food)Living in unusual environments
Peace corps Military
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Equipment
Equipment is mobile Rental Vendor/total joints Specialty procedures
Rectal probes Eye instruments
Follow-up to outside cases
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Exogenous stuff
Fried RicePlantsFountainsAnimals
Feral cats Turtles
Stuff
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Endogenous stuff
FingernailsSkin and soft tissuesBack packsOR capsClothing and other attire
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Environmental Biology
Labs not qualified to do testingWater –
Dialysis Drinking
Equipment and medicinesAir? What is normal
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Supplies
Manufacturer’s contamination Alcohol pads – Bacillus cereus IV solutions Heparin flushes – Serratia marcescens Pseudomonas aeruginosa & mouthwash
Equipment Sutures Dressing
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Recalls
Hospital recall systemProducts that maybe contaminatedInternal processingTracking and looking
Hoarders! Hidden cabinets Procedure carts (locked)
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Questions