New Standard to Control Opportunistic Organisms 20 20191107.pdfof a microorganism (or an infection...
Transcript of New Standard to Control Opportunistic Organisms 20 20191107.pdfof a microorganism (or an infection...
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New Standard to Control Opportunistic
Organisms
North Texas Chapter of NANT 20th Annual North Texas DTX
“Dialysis Tech ConnXion”
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North Texas Chapter of NANT 20th Annual North Texas DTX
“Dialysis Tech ConnXion” Promoting education and excellence for technicians and technologists caring for the renal patient
ASHREA 188 – New Standard to Control Opportunistic Organisms (Compliance for Hemodialysis Water Treatment Facilities)
by Burke A. West, PE, MWS, Pres. Nelson Environmental Technologies, Inc.
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Sunday, November 17, 2019 10:30 – 12:00 Sheraton Arlington Hotel 1500 Convention Center Drive Arlington, Texas 76011
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This presentation will include:
1. Background of Legionella and other Opportunistic Bacteria 2. ASHRAE 188 3. CDC Legionella tool kit & Water Management Plan 4. CMS regulation 5. Implementation of Water Management Plan 6. Future
.
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Opportunistic
op·por·tun·is·tic /ˌäpərt(y)o͞oˈnistik/ adjective exploiting chances offered by immediate circumstances without reference to a general plan or moral principle. From Oxford
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Opportunistic
op·por·tun·is·tic /ˌäpərt(y)o͞oˈnistik/ Adjective
So it would appear from this definition that bacteria are amoral. No moral discipline!
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Opportunistic
op·por·tun·is·tic /ˌäpərt(y)o͞oˈnistik/ Adjective
MEDICINE of a microorganism (or an infection caused by it) rarely affecting patients except in unusual circumstances, typically when the immune system is depressed. From Oxford
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Opportunistic Bacteria
Opportunistic bacteria are defined, for the purposes of this presentation, as those that:
1. Thrive in water at or near human body temperature 37°C (98.6°F);
2. Propagate in waters associated with medical or industrial equipment systems;
3. Are transported by water vapor typically generated by fans, misters, or other mechanical devices.
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Legionella
Legionella bacteria are the best known of this type of bacteria; and as such, we will use the term Legionella to represent all of the bacteria that fall into the opportunistic category.
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Legionella Disease (LD)
• The term Legionella Disease (LD) will be used for the disease caused by all of the bacteria that fall into this category.
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Back Ground (ASHRAE 188 & CMS)
• ASHRAE: American Society of Heating, Refrigeration, and Air Conditioning Engineers
• CMS: Centers for Medicare & Medicaid Services
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Back Ground (ASHRAE 188 & CMS)
• In 1976, Legionella disease was discovered after many participants at an American Legion convention came down with the pneumonia-type disease.
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Back Ground (ASHRAE 188 & CMS)
• In 2005, ASHRAE began working on the guideline SPC-188 which eventually became the Standard 188-2015.
• On June 26, 2015 ASHRAE published Standard ASHRAE 188: Risk Management for Building Water Systems
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Back Ground (ASHRAE 188 & CMS)
• In 2017 the CDC published, “Developing a Water Management Program to Reduce Legionella Growth & Spread in Buildings”.
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Back Ground (ASHRAE 188 & CMS)
• On June 2, 2017 DHHS, CMS advised State Survey Agency Directors:
• “CMS expects Medicare certified healthcare facilities to have water management policies and procedures to reduce the risk of growth and spread of Legionella and other opportunistic pathogens in building water systems.”
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From page 2
CMS has identified the following equipment to include in the survey:
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• hot & cold water tanks • water heaters • water-hammer arrestors • pipes, valves, and fittings • expansion tanks • water filters • electronic and manual faucets • aerators • faucet flow restrictors • showerheads and hoses
• eyewash stations • ice machines • centrally-installed misters, atomizers,
air washers, and humidifiers • non-steam aerosol-generating
humidifiers • hot tubs/saunas • decorative fountains • cooling towers • medical devices (such as CPAP
machines, hydrotherapy equipment, bronchoscopes, heater-cooler units)
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• Surveyors will review policies, procedures, and reports documenting water management implementation results to verify that facilities:
• Conduct a facility risk assessment to identify where Legionella and other opportunistic waterborne pathogens (e.g. Pseudomonas, Acinetobacter, Burkholderia, Stenotrophomonas, nontuberculous mycobacteria, and fungi) could grow and spread in the facility water system.
• Implement a water management program that considers the ASHRAE industry standard and the CDC toolkit, and includes control measures such as physical controls, temperature management, disinfectant level control, visual inspections, and environmental testing for pathogens.
• Specify testing protocols and acceptable ranges for control measures, and document the results of testing and corrective actions taken when control limits are not maintained.
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• This is an excellent program but is also a very formidable program for medical facility personnel to implement. It is based upon the CDC toolkit for compliance to ASHRAE 188 standard.
• Currently this requirement applies to only medical facilities that have either over-night or permanent patients. However, may be expanded to all medical facilities in the future.
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CDC Water Management Program
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CDC Water Management Program
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CDC Water Management Program
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CDC Water Management Program
1. Establish a water management program team
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CDC Water Management Program
1. Establish a water management program team 2. Describe Your building Water Systems using text
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CDC Water Management Program
1. Establish a water management program team 2. Describe Your building Water Systems using text 3. Identify areas where Legionella could grow &
spread and control measures
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From page 2
CMS has identified the following equipment to include in the survey:
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• hot & cold water tanks • water heaters • water-hammer arrestors • pipes, valves, and fittings • expansion tanks • water filters • electronic and manual faucets • aerators • faucet flow restrictors • showerheads and hoses
• eyewash stations • ice machines • centrally-installed misters, atomizers,
air washers, and humidifiers • non-steam aerosol-generating
humidifiers • hot tubs/saunas • decorative fountains • cooling towers • medical devices (such as CPAP
machines, hydrotherapy equipment, bronchoscopes, heater-cooler units)
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CDC Water Management Program
1. Establish a water management program team 2. Describe Your building Water Systems using text 3. Identify areas where Legionella could grow &
spread and control measures & Corrective Actions
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CDC Water Management Program
1. Establish a water management program team 2. Describe Your building Water Systems using text 3. Identify areas where Legionella could grow &
spread and control measures & Corrective Actions 4. Decide where control measures should be applied
and how to monitor your control measures
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CDC Water Management Program
1. Establish a water management program team 2. Describe Your building Water Systems using text 3. Identify areas where Legionella could grow &
spread and control measures & Corrective Actions 4. Decide where control measures should be applied
and how to monitor your control measures 5. Establish ways to intervene when control limits are
not met (corrective actions)
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CDC Water Management Program 1. Establish a water management program team 2. Describe Your building Water Systems using text 3. Identify areas where Legionella could grow & spread and
control measures & Corrective Actions 4. Decide where control measures should be applied and how
to monitor your control measures 5. Establish ways to intervene when control limits are not met
(corrective actions) 6. Make sure the program is running as designed & is effective
(verification and validation)
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CDC Water Management Program 1. Establish a water management program team 2. Describe Your building Water Systems using text 3. Identify areas where Legionella could grow & spread and control
measures & Corrective Actions 4. Decide where control measures should be applied and how to monitor
your control measures 5. Establish ways to intervene when control limits are not met (corrective
actions) 6. Make sure the program is running as designed & is effective (validation
and verification) 7. Document & Communicate all the activities of your water management
program. (from the initial meeting through PM & other maintenance reports)
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CDC Water Management Program
1. Few medical facilities have the resources or expertise necessary to follow the CDC toolkit.
2. The most efficient and expedient manner of complying with ASHRAE 188 is to form a partnership with Water Treatment Suppliers
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CDC Water Management Program The benefits of working with a water treatment supplier are they can help in every step of the process: • Identify Water Management Team • Identify all sites needing water management • Provide most practical (& economical) suggestions for
plan compliance • Provide PM program suggestions for auditing plan
conformance • Provide maintenance to keep water system in
compliance.
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Future for Hemodialysis Facilities
• NY already has adopted ASHRAE 188-2015 for all medical facilities
• TCEQ meeting • Partnering with Water Treatment Vendors to ensure
compliance to CMS regulations
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Future for Hemodialysis Facilities
• NY already has adopted ASHRAE 188-2015 for all medical facilities
• TCEQ meeting • Partnering with Water Treatment Vendors to ensure
compliance to CMS regulations
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Q & A
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