hand hygiene in healthcare connie cavenaugh, bsn infection control uams
TRANSCRIPT
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Hand Hygiene in Hand Hygiene in HealthcareHealthcare
Connie Cavenaugh, BSNConnie Cavenaugh, BSN
Infection ControlInfection Control
UAMSUAMS
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Most common mode of transmission of pathogens is via hands!
Clean hands are the single most important factor in preventing the spread of pathogens and antibiotic resistance in healthcare settings.
So Why All the Fuss About So Why All the Fuss About Hand Hygiene?Hand Hygiene?
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Hand Hygiene Adherence in Hospitals
1. Gould D, J Hosp Infect 1994;28:15-30. 2. Larson E, J Hosp Infect 1995;30:88-106. 3. Slaughter S, Ann Intern Med 1996;3:360-365. 4. Watanakunakorn C, Infect Control Hosp Epidemiol 1998;19:858-860. 5. Pittet D, Lancet 2000:356;1307-1312.
Year of Study Adherence Rate Hospital Area
1994 (1) 29% General and ICU
1995 (2) 41% General
1996 (3) 41% ICU
1998 (4) 30% General
2000 (5) 48% General
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Self-Reported Factors Self-Reported Factors for Poor Adherence for Poor Adherence with Hand Hygienewith Hand Hygiene
Handwashing agents cause irritation & Handwashing agents cause irritation & drynessdryness
Sinks are inconveniently locatedSinks are inconveniently located
Lack of soap & paper towelsLack of soap & paper towels
Too busy/Understaffing/overcrowdingToo busy/Understaffing/overcrowding
Patient needs take priorityPatient needs take priority
Low risk of acquiring infection from patientsLow risk of acquiring infection from patients
Adapted from Pittet D, Infect Control Hosp Epidemiol 2000;21:381-386.
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Indications for Hand Indications for Hand HygieneHygiene
When hands are visibly dirty, When hands are visibly dirty, contaminated, or soiled, wash contaminated, or soiled, wash with non-antimicrobial or with non-antimicrobial or antimicrobial soap and water. antimicrobial soap and water.
If hands are not visibly soiled, If hands are not visibly soiled, use an alcohol-based handrub for use an alcohol-based handrub for routinely decontaminating hands.routinely decontaminating hands.
Guideline for Hand Hygiene in Health-care Settings. MMWR 2002; vol. 51, no. RR-16.
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Specific Indications Specific Indications for Hand Hygienefor Hand Hygiene
•Before:Before:– Patient contact Patient contact – Inserting urinary catheters, peripheral Inserting urinary catheters, peripheral
vascular catheters, or other invasive devices vascular catheters, or other invasive devices that don’t require surgerythat don’t require surgery
•After:After:– Contact with a patient’s skin Contact with a patient’s skin – Contact with body fluids or excretions, non-Contact with body fluids or excretions, non-
intact skin, wound dressingsintact skin, wound dressings– Removing glovesRemoving gloves
Guideline for Hand Hygiene in Health-care Settings. MMWR 2002; vol. 51, no. RR-16.
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Efficacy of Hand Hygiene Efficacy of Hand Hygiene Preparations in Killing Preparations in Killing
BacteriaBacteria
Good Better Best
Plain Soap Antimicrobial soap
Alcohol-based handrub
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Ability of Hand Hygiene Agents to Reduce Bacteria on
Hands
Adapted from: Hosp Epidemiol Infect Control, 2nd Edition, 1999.
0.0
1.0
2.0
3.0 0 60 180 minutes
0.0
90.0
99.0
99.9log%
Ba
cte
ria
l Red
uc
tio
n
Alcohol-based handrub(70% Isopropanol)
Antimicrobial soap(4% Chlorhexidine)
Plain soap
Time After Disinfection
Baseline
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Time Spent Cleansing Time Spent Cleansing Hands:Hands:one nurse per 8 hour one nurse per 8 hour shiftshift
Hand washing with soap and water: 56 Hand washing with soap and water: 56 minutesminutes– Based on seven (60 second) handwashing episodes per Based on seven (60 second) handwashing episodes per
hourhour
Alcohol-based handrub: 18 minutesAlcohol-based handrub: 18 minutes– Based on seven (20 second) handrub episodes per hourBased on seven (20 second) handrub episodes per hour
Voss A and Widmer AF, Infect Control Hosp Epidemiol 1997:18;205-208.
~ Alcohol-based handrubs reduce time needed for hand disinfection ~
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Recommended Hand Recommended Hand Hygiene TechniqueHygiene Technique
•HandrubsHandrubs– Apply to palm of one hand, rub hands Apply to palm of one hand, rub hands
together covering all surfaces until dry together covering all surfaces until dry
– Volume: based on manufacturerVolume: based on manufacturer
•HandwashingHandwashing – Wet hands with water, apply soap, rub Wet hands with water, apply soap, rub
hands together for at least 15 secondshands together for at least 15 seconds
– Rinse and dry with disposable towelRinse and dry with disposable towel
– Use towel to turn off faucetUse towel to turn off faucetGuideline for Hand Hygiene in Health-care Settings. MMWR 2002; vol. 51, no. RR-16.
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Alcohol-Based Alcohol-Based Handrubs: Handrubs: What benefits What benefits
do they provide?do they provide?
•Require less timeRequire less time
•More effective for standard More effective for standard handwashing than soap handwashing than soap
•More accessible than sinksMore accessible than sinks
•Reduce bacterial counts on Reduce bacterial counts on handshands
• Improve skin conditionImprove skin condition
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PREVENTIONIS PRIMARY!
Protect patients…protect healthcare personnel…
promote quality healthcare!