BLOOD BORNE PATHOGENS AND PREVENTION OF INFECTION OBJECTIVES 1. 2. 3. 4. 5. 6. Identify common bloodborne
pathogens. Describe the risk of bloodborne pathogens to health care workers. List potentially infectious substances and their modes of transmission. Describe how personal protective equipment and work practice controls can be implemented. Describe the health care workers role in evaluation of workplace practices and devices. Describe post-exposure care. 2 BLOODBORNE PATHOGENS
HIV HBV HCV Others 3 RISKS TO HEALTH CARE WORKERS HIV small HCV 900 annually HBV 9,000 annually 4 INFECTIOUS FLUIDS
Blood Body fluids that contain blood Semen Vaginal secretions Fluid from around an unborn baby Spinal fluid Fluid around the heart
5 INFECTIOUS FLUIDS (CONTINUED) Fluid around the lungs Fluid around joints Tissue removed from the body
6 OTHER BODY FLUIDS Potentially Infectious Tears Saliva Sputum/nasal secretions Emesis Urine Feces Not Infectious Sweat
7 TRANSMISSION Sexual contact Sharing needles Transfusions
Mom baby 8 TRANSMISSION IN THE WORKPLACE Puncture wounds Contact with non-intact skin
Mucous membranes 9 PREVENTION OF INFECTION Universal Precautions OSHA Standard Precautions - CDC 10 HAND DECONTAMINATION
After touching blood, body fluids, secretions, excretions, contaminated items After gloves removed Between patient contacts Waterless antiseptic agents 11
CONSIDERED AN EXPOSURE When: Blood, blood products, cerebral spinal fluid, semen, vaginal secretions or synovial fluid has had contact with NON-INTACT skin or mucous membranes. 12 CONSIDERED AN
EXPOSURE When You have been stuck by a contaminated needle or sharp object 13 NOT AN EXPOSURE The following is NOT an exposure
(unless visible blood noted in the following) Feces, saliva, vomitus, sputum, sweat, urine, nasal secretions, tears, blood on INTACT skin 14 PERSONAL PROTECTIVE EQUIPMENT (PPE) Provided by employer
16 GLOVES Correct size Change if contaminated Remove inside out
Utility gloves 17 MASKS, SHIELDS, EYEWEAR Used when splashing expected Replace when wet
Wash hands before removing Handle by side pieces Protective resuscitation equipment 18 PROTECTIVE CLOTHING Used when splashing expected Remove if soiled
Remove from inside and roll Nondisposable laundered by employer 19 WORK PRACTICE CONTROLS
Sharps Lab materials Decontamination Laundry Waste 20 SAFER MEDICAL DEVICES Sharps with engineered sharp injury protectors
Needleless systems 21 IF NEEDLE MUST BE USED Immediately discard in sharps containers Do not bend or break
Do not recap Do not fill container past designated fill line 22 DOCUMENTATION OF NEEDLESTICK INJURIES
The type and brand of device involved The department or area where the exposure occurred An explanation of how the exposure occurred 23 OTHER WORK PRACTICE CONTROLS Transport specimens in leak proof containers labeled biological hazard
Place warning labels on containers with hazardous materials Do not eat, drink, smoke, apply cosmetics, or handle contact lenses where exposure likely Never use pipettes with mouth suction 24 SPILLS
Put on gloves Wipe up with towel Dispose of contaminated towel Apply bleach solution
25 LINENS Wear gloves Place in impervious container if linen is to be transported Label appropriately 26 WASTE
Label as biohazard 27 POST-EXPOSURE Wash area Notify supervisor
Consult physician ASAP Report incident Obtain medical counseling Keep records confidential 28 C-DIFF CLostridium difficile (klos-TRID-e-uhm dif-uh-SEEL), often called C. difficile or C. diff, is a bacterium that can cause symptoms ranging from diarrhea to lifethreatening inflammation of the colon. Most commonly affects older adults in hospitals or in long term care facilities
and typically occurs after use of antibiotic medications. May require isolation of persons affected 29 PREVENTION Hand washing: Health care workers should practice good hand hygiene before and after treating each person in their care.
In the event of a C. difficile outbreak, using soap and warm water is a better choice for hand hygiene, as alcohol-based hand sanitizers may not effectively destroy C. difficile spores. Teach visitors to practice good hand washing as well. 30 MRSA Staphylococcus aureus (MRSA) is a bacterium responsible for several
difficult-to-treat infections in humans. To prevent the spread of staph or MRSA in the workplace, employers should encourage proper hand washing and sanitizing of environmental surfaces and contaminated equipment with EPA registered disinfectives. 31 PREVENTION Although alcohol-based rubs remain somewhat effective, a more effective strategy is to wash hands with running water and an
anti-microbial cleanser with persistent killing action. Proper disposal of isolation gowns is also necessary MRSA can survive on surfaces and fabrics, including privacy curtains or garments worn by care providers 32 PREVENTIO
N Hospital staff and visitors wear disposable gloves and gowns while in the room In any setting, all surfaces should be carefully disinfected with a product that contains chlorine bleach People who are hospitalized with C. difficile should have a private room or share a room
with someone who has the same illness 33 POLICIES/PROCEDURES Be familiar with your facilities policies and procedures regarding issues of safety and infection control. Ask whenever you are uncertain or have a question regarding these issues. Be Safe Practice Safety in the workplace
34 SUMMARY Bloodborne pathogen risks Modes of transmission Personal protective equipment
Work practice controls Evaluation of practices/devices Post-exposure care 35
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