Universal Precaution Nosocomial Infection Prevention through
Infection control,BMW management,standard precaution
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Transcript of Infection control,BMW management,standard precaution
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INFECTION CONTROL, STANDARD PRECAUTIONS,
BIOMEDICAL WASTE MANAGEMENT
Vidya V SMSc Nursing 1st year
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Introduction• “The very first requirement in a hospital that
it should do the sick no harm" - Florence Nightingale
• Health care associated infections(HCAI)- economic loss prolonged hospital stay & adverse patient outcomes. Infection control
Biomedical waste management
Standard precaution
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Health care associated infections(HCAI)
• Infections that are acquired by the patients while he is in the hospital either from other patients, the environment or members of hospital staff.
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Health Care Associated InfectionsCommonly occurring types• Urinary tract infections.• Surgical wound infections.• Respiratory tract infections.• Catheter related blood stream
infections.• Meningitis. • Gastroenteritis.
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Common organisms• Staphylococcus aureus• Enterococcus• Pseudomonas aeruginosa• Klebsiella• E- coli
• HIV• HBV• HCV• CMV• candidia
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• Low resistance of patient to infections.
• Invasive procedures/interventions.• Inappropriate anti-microbial usage.• Drug resistance of endemic
microbes.• Contaminated environment.
Risk due to
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Sources of HCAI
PATIENT
ENVIRONMENT
Exogenous
IV medicationOther patients
Endo
geno
us
Air
Hospital staff Fomite
Apparatus
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Risk areas
Nurseries ICUs Dialysis units Transplant unit ED
Oncology wards Operation
theatre Delivery rooms Post op wards
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Infection control• What is an Infection ?
• What is Control ?
• Infection control ?
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Measures practiced by health care personnel to prevent spread, transmission and acquisition of infection between clients, from health care providers to clients and from clients to HCP.
Based on
Infection control - definition
Standard precaution
Additional precaution
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Breaking the Chain of infection
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Aseptic practices• Hand washing.• Use of barrier nursing –gloves, gown,
mask, goggles etc.• Adopting universal and standard
precautions.• Care of indwelling devices.
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Aseptic practices(contd…)
• Proper decontamination, disinfection and sterilization of equipment.
• Isolation of infected patients.• Environmental cleaning.• Proper disposal of hospital
waste.
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Hand washing
• Social/routine Hand washing
• Aseptic Hand washing
• Surgical Hand washing
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Hand washing Vs Hand rub
Hand washing
• Hands visibly soiled.• Before eating or handling food.• After handling contaminated linens ,
equipment, organic material.• Entering and exiting from clinical
setting.
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Hand rub• Hands not visibly soiled.• After touching clients intact skin.• After touching any inanimate objects.
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How to Handwash?
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Decontamination Decontamination
Sterilization
Steam
Dry heat
Chemical
Cleaning Disinfection
Boiling
Chemical
Steam
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Disinfection and Sterilization
Disinfection : Reduce the number of microorganisms on an object or surface but not the complete destruction of all microorganisms or spores.
Sterilization : Procedures, which would remove all microorganisms, including spores, from an object.
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Disinfectants commonly used
• 2% glutaraldehyde (cidex)• 5% phenol• Isopropyl alcohol (bacillol)• Hydrogen peroxide• 1% sodium hypochlorite solution• Calcium hypochlorite (bleaching powder)
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Sterilization Methods• Dry heat Autoclave• Ethylene oxide• 2% Gluteraldehyde • Gamma radiation
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Changes observed over a period of time
• A switch over to digital thermometers from clinical thermometers.
• Using distilled H2O ampoules to dissolve injections rather than using common stock solutions.
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Current trends(contd…..)• Wet mopping over dry sweeping.• Revised steps of Hand washing.• No more fumigation with
formaldehyde.• Dry bottles for Cheatle forceps rather
antiseptic solution filled bottles.
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Standard Precaution
Infection control
Biomedical waste management
Standard precaution
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Standard Precaution As defined by CDC
“ Set of practices designed to prevent the transmission of HIV, Hepatitis B and other blood borne pathogens (bacteria & virus). ”
Blood & other body fluids of all persons are considered potentially infectious.
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Body fluids include
• Blood• Vomit• Saliva• Feces
• Drainage• Secretions from
mucous membrane
• SemenSweat and tear mixed with blood
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Standard precaution steps
• Hand washing• Personal protective equipment• Decontamination• Waste disposal
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Hand hygiene
Hand washing is the single most effective measure in infection control.
80% of the diseases are spread through hands.
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Personal protective equipment
• Gloves• Gown• Mask• Protective eye wear• Face shield• Apron
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Prevention & management of Sharp injury and Spillage
• Never recap the needles.• Cannulas with safety needle guards.• Post exposure prophylaxis treatment.• Use of PPE.
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Proper Disposal of PPE
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Any waste generated during diagnosis, treatment or immunization of human beings or animals.Waste management is theCollection, transport, processing or disposal, managing and monitoring of waste material.
BIOMEDICAL WASTE MANAGEMENT
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Sources-health care waste Government and Private hospitals Nursing homes Physician’s office/clinics Dispensaries Primary Health Centers Medical research and training
establishments Mortuaries
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Hazards• Organic portion ferments and attracts
fly breeding.• Injuries from sharps - health care
personnel and waste handlers.• Risk of infections to medical, nursing
and other hospital staff.• Development of resistant strains of
microorganisms.
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• Increase in risk associated with hazardous chemicals and drugs to persons handling wastes.
• Poor waste management encourages unscrupulous persons to repacking and reselling.
• Poor infection control - nosocomial infections in patients (HIV, Hepatitis B & C).
Hazards(contd….)
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To reduce hazardous nature of waste. To reduce volume of waste. To prevent misuse or abuse of waste. To ensure occupational safety and health. To consider aesthetics.
Purposes of waste disposal
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Principles of waste management
• Segregate the waste.• Disinfect and mutilate sharps.• Adopt safer technologies as
autoclave and microwave.• Don’t burn chlorinated plastics.
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Principles of waste management(contd..)
• Prevent reuse of disposables.• Motivate and train all hospital
personnel.• Practice universal precaution.• Follow the biomedical waste rules.
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Waste management 3 R’s
recycle
reuse
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Waste Hierarchy
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Steps - Waste Management
Handling
Segregation
Mutilation
DisinfectionStorage
Transportation
Final disposal
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Handling & Segregation
Rules and regulations governing the disposal of wastes
The Government of India – The
Biomedical Waste (Management and
Handling) Rules 1998.
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Category Types Management
Category1
Human Anatomical Waste Incineration/Deep Burial
Category2
Animal waste Incineration/Deep Burial
Category3
Microbiology andbiotechnology waste
Local Autoclaving
Hospital waste categories
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Hospital waste categories(contd..)Category Types ManagementCategory
4Waste Sharps Chemical Disinfection
Autoclaving/ Microwaving,Mutilation and Shredding
Category5
Discarded medicines andcytotoxic drugs
Incineration/Destruction anddisposal in land fills
Category6
Soiled waste (contaminatedwith blood and body fluidsincluding cotton, dressings,soiled plasters)
Autoclaving/ Microwaving/Incineration
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Hospital waste categories(contd..)
Category types managementCategory
7Solid waste (tubes,catheters, IV sets)
ChemicalDisinfection/Autoclaving/Microwaving, Mutilation andShredding
Category8
Liquid waste (Wastegenerated from laboratoryand washing, cleaning,disinfection)
Disinfection by chemicaltreatment and discharge intothe drains
Category9
Incineration ash Land fills
Category10
Chemical waste Chemical disinfection and discharge into the drains
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Colour codesColorcoding
Waste Category Treatmentoptions
Red Human and animal wastes
Incineration/Deep Burial
Yellow Highly infectious waste biodegradable wastes.
Incineration/Deep Burial
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Colour codes(contd..)Colorcoding
Waste Category Treatmentoptions
Blue Infected plastics( Cat 4 in puncture proof container & Cat 7)
Autoclave/Microwave/Chemical TreatmentDestruction/Recycling and Shredding
Black General waste (food waste, garden waste, Discarded medicines, Cytotoxic drugs, Incineration ash and chemical waste)(Cat 5,9 & 10)
Disposal insecured landfills
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Colour coding
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Waste storage
Storage facility should have sufficient capacity.
location - within hospital premises.Radioactive waste must be stored
separately.Untreated biomedical waste not to be kept
beyond 48 hrs (Permission required for >48 hrs).
Protect human health & environment.
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Waste transportationPoints to be remembered:
Before taking the bags it should be tied and labeled.
Waste handlers should not touch any other articles.
A covered cart with biohazard symbol to carry the waste to the central area of collection.
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Waste Treatment and Disposal
Available Treatment and Disposal Methods Chemical Technology Thermal Technology
Autoclave Hydroclave Incinerator Microwave
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Waste Treatment and Disposal(contd..)
Mechanical TechnologyCompactionGrinding/ Shredding
Plasma torch Technology Deep burial
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Waste Treatment and Disposal(contd..)
Biological Method
Land filling Open dumps Sanitary land fill
Worm composting
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Final disposal Black bags
Disposed along with other municipal waste.
Yellow bags Incinerated & resultant ash collected to be used in land fills.
Blue bags Autoclaved, shredded & finally dispensed.
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Specific wastes• Dead fetus• Mutilated organs• Placenta• Dead bodies• Cytotoxic drugs• Radio active substances• Expired countable drugs & sutures• Immunization vials
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Staff safety considerations
Separate trolleys for transporting waste within the hospital.
All workers involved in the work are aware of the hazardous nature of the work.
Provided with all protective equipment. Immunized against tetanus and hepatitis B.
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Training on biomedical waste management
Overall aim of training:• To develop awareness of health, safety
and environmental issues relating to health care waste.
• Roles & responsibilities of health care personnel in overall management program should be highlighted.
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Four main categories for which separate
training activities are designed
Hospital managers & administrative staff
Medical doctors Nurses Cleaners, porters, auxiliary staff
&waste handlers
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Biomedical waste management issues
Implementation of bio-medical waste regulation -unsatisfactory.
Lack of segregation practices. Incorrect methods of waste disposal.Dumping of waste in river and sea.Recycling of disposables without even
being washed.
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Biomedical waste management issues..
Using same wheel barrow for all categories of waste.
Trolley movement around patient care units. No mechanism for ensuring waste treatment within prescribed time limits. No proper training of employees in some
hospitals.
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Responsibilities of health care Institutions
• Set up biomedical waste treatment facilities -incinerators, autoclave and microwave system.
• Make an application to the concerned authorities for grant of authorization.
• Report immediately any accident to the prescribed authority.
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Responsibilities of health care Institutions (contd…)
• Maintain records about the generation, collection reception, storage, transportation, treatment, disposal and/or any form of handling bio medical waste.
• Submit a report during the preceding year by 31 Jan every year.
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Role of infection control nurses
• Visits all wards and high risk units.• Checking nursing supervisor’s
register and records for cases suggestive of infection.
• Collection of sample from different areas of the hospitals & sending them to the lab.
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Role of infection control nurses(contd..)
• Daily visit to microbiology lab to ascertain results of sample collected.
• Monitoring & supervision of infection among hospital staffs.
• Training of nursing & paramedical personnel on correct hygiene practices & aseptic technique.
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Thank you