Products Catalog for Infectious Patient Isolation & Construction Dust Containment

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Home > Patient Isolation > Information Resources > Meeting CDC and AIA Guidelines

Meeting CDC and AIA Guidelines for Healthcare Infection Control

Create Safer Patient Environments

Abatement Technologies® HEPA-CARE® Air Purification Systems and related products are designed to help healthcare facilities create safer patient environments and meet stringent CDC, AIA and Canadian CSA/CCDR Guidelines for healthcare infection control in venues where healthcare is provided such as:

Determining Protective Measures Required by an ICRA

In 2003 the Centers for Disease Control and Prevention and HICPAC (Healthcare Infection Control Practices Advisory Committee) published updated Guidelines for Infection Control in Health-Care Facilities. HICPAC is a 12-member group that advises CDC on ways to help prevent opportunistic, environmentally related infections in immunocompromised patients. The complete Web-text version of this document is available from the CDC at http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5210a1.htm.

The guidelines incorporate standards from other organizations, including the American Institute of Architects (AIA) and American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE), as well as relevant regulations from federal agencies such as FDA, OSHA and EPA.

The tables below illustrate some of the ways that healthcare facilities utilize Abatement Technologies products to meet certain engineering provisions for various infection control applications including:

Abatement Technologies Solutions for Airborne Infectious Isolation Rooms (Negative Pressure Patient Isolation)

CDC Recommendations

 

Abatement Technologies Solutions


Maintain continuous negative pressure ( 0.01 inch or 2.5 Pa) in relation to the air pressure in the corridor.

Abatement Technologies’ HEPA-CARE In-Room Air Purification Systems can provide or supplement negative pressure conditions.


Monitor air pressure periodically, preferably daily, with audible manometers or smoke tubes at the door (existing AIIR rooms), or with a permanently installed visual monitoring mechanism. Document results.

 

Choose Abatement PPM3 portable or RPM Series wall-mounted digital differential pressure monitors to track and record pressure conditions between the contained isolation area and adjacent corridor.

Select the PC501 Laser Particle Counter for tracking down and monitoring contamination sources, and measuring airborne particle counts during hospital construction projects.

 


Provide ventilation to ensure 12 or more ACH for new or renovated rooms, and 6 or more ACH for existing rooms.

 

HEPA-CARE In-Room Air Purification Systems can provide up to 12 ACH in rooms up to 3,000 to 3,500 cubic feet in size.

 


Where supplemental engineering controls for air cleaning are indicated from a risk assessment of the area, install UVGI units in the HVAC exhaust ducts to supplement HEPA filtration, or install UVGI fixtures near the ceiling to irradiate upper room air.

 

Air exhausted from any HEPA-CARE model can be ducted into the UV400C-PT UVGI module, which mounts into a 2’ x 2’ drop ceiling panel. The HEPA-CARE UV800F UVGI module is designed solely for use with the HEPA-CARE HC800F model. Both modules irradiate the air with high-intensity UVGI before it flows into the exhaust duct from the room and provide an extra level of pathogen protection.

 


If a room with an anteroom is not available for VHF (viral hemorrhagic fever) patients, use portable HEPA units to provide additional ACH equivalents & reduce the risk of occupational exposure to airborne infectious materials.

 

Select the HEPA-CARE HC800F Portable HEPA model, the HC600F Portable HEPA model or the HC600FUV Portable HEPA model. For rooms not equipped with an anteroom, use the ANTE UP Inflatable Temporary Anteroom Module or the AIRE GUARDIAN Temporary Anteroom Module.

 


Place smallpox patients in negative pressure rooms at the onset of their illness, preferably in a room with an anteroom.

 

As with VHF patients the HEPA-CARE HC800F Portable HEPA model, the HC600F Portable HEPA model or HC600FUV Portable HEPA model can provide supplemental protection against airborne infectious materials. For rooms not equipped with an anteroom, use the ANTE UP Inflatable Temporary Anteroom Module or the AIRE GUARDIAN Temporary Anteroom Module.

 


Direct exhaust from AIIR rooms to the outside, away from air intakes. If this is not practical, air from the room can be recirculated (within the building but outside the room) after passing through a HEPA filter.

 

Abatement Technologies Portable and Ceiling-Mounted models provide 99.99% HEPA filtration without adding load to the facility HVAC system. Both models can be supplemented with UVGI irradiation whether the exhaust air is ducted outdoors or back into the facility. View versatile modes of operation animations for HEPA-CARE Air Purification Systems and optional UVGI modules.

 


Use AIIR rooms for patients with or suspected of having an airborne infection & use cough-inducing procedures, or use an enclosed booth that is engineered to provide: 12 or more ACH;

0.01 in . (2.5 Pa) negative pressure; and air exhausted outside away from air intakes or traffic, or recirculated after HEPA filtration.

 

 

Abatement Portable or Ceiling Mounted HEPA-CARE models can be used to place an entire room or an enclosed booth under negative pressure to meet the requirements for ACH and HEPA filtration.

Abatement Technologies Solutions for Positive Pressure Patient Isolation in Protective Environments (PE)

CDC Recommendations

 

Abatement Technologies Solutions


Minimize exposure of immunocompromised patients (e.g., solid organ transplant patients or allogeneic neutropenic patients) to activities that may cause aerosolization of fungal spores (e.g., vacuuming, disruption of ceiling tiles).

 

HEPA-CARE portable systems can be used to capture airborne contaminants that may be disturbed and aerosolized during these activities, or to maintain positive pressure within an enclosed tent.


Install central or point-of-use HEPA filters for supply air (incoming) air in new PE units.

 

Install the HC800C Ceiling/Duct Mounted unit into a drop ceiling to filter incoming supply air. Add supplemental UVGI protection with the optional UV400C-PT Germicidal UV Module.

 


Maintain positive room pressure ( 0.01 in. or more) in relation to the corridor.

 

The ceiling-mounted HEPA-CARE HC800C model is also designed for use in a positive-pressure protective environment. Other models can also be configured and used for this application.

 


Ventilate new PE rooms to provide 12 or more ACH. If air supply systems are not optimal (to provide necessary pressure relationships and ACH), use portable HEPA filtration units until rooms with optimum air-handling systems become available.

 

HEPA-CARE HC800F or HC600F isolation room systems can supplement existing HVAC ventilation. The HEPA-AIRE or PREDATOR Portable Air Scrubbers can also be used to meet emergency or short-term requirements.

 


To protect immunocompromised patients with an airborne infectious disease (e.g., acute VZV infection or tuberculosis): ensure that the patient’s room is designed to provide negative pressure; use an anteroom to ensure appropriate air balance relationships, and either provide independent exhaust of contaminated air to the outside, or place a HEPA filter in the exhaust duct if return air must be recirculated.

If an anteroom is not available, place the patient in AIIR and use portable HEPA filtration units to enhance filtration of spores in the room.

 

 

If air exhausted from the room is ducted directly outdoors, any of the HEPA-CARE In-Room HEPA units (portable or ceiling-mounted) can be selected. If return air must be recirculated indoors, a HEPA-CARE HC600FUV portable model equipped with germicidal UV or the HEPA-CARE HC800C ceiling model in combination with a UV400C-PT germicidal UV module is recommended without adding any load to the central HVAC system.

Abatement ANTE UP or AIRE GUARDIAN anteroom modules can be used for rooms not equipped with an anteroom.

For emergency use, HEPA-AIRE Portable Air Scrubbers can be used to meet temporary requirements for negative pressure and HEPA filtration.

Monitor at least daily with permanently installed visual means in new or renovated construction, or using other visual methods in existing PE units. Document the monitoring results.

 

 

Install a wall-mounted RPM Series Differential Electronic Pressure Monitor for 24/7 real-time monitoring and recording of pressure data.

 

Operating Rooms & Laser Surgery Suites

CDC Recommendations

 

Abatement Technologies Solutions


Maintain positive pressure with respect to corridors and adjacent areas. Maintain 15 ACH or more, of which 3 or more ACH should be fresh air.

 

The HC800C is ideally suited for enhancing ACH and maintaining positive pressure environments.


Use portable HEPA filtration units for supplemental air cleaning during intubation and extubation. Position the room units so that all room air passes through the filter; switch off the unit during the procedure.

 

With features like a gel-seal HEPA filter tested and certified to a minimum efficiency of 99.99% @ 0.3 microns, the portable HEPA-CARE HC800F, HC600F or HC600FUV Air Purification Systems are excellent options for these applications.

 


Use a mechanical smoke evacuation system with a high-efficiency filter to manage the generation of large amounts of laser plume when ablating tissue infected with human papiloma virus (HPV) or performing procedures on a patient with extrapulmonary TB.

 

 

Any of the HEPA-CARE models are ideally suited for these applications, especially the portable models, which can enable the filtration unit to be placed as close to the patient as may be required.

Air Handling Systems

CDC Recommendations

 

Abatement Technologies Solutions


Use portable HEPA filtration units to augment removal of respiratory particles as needed.

 

HEPA-CARE 99.99% HEPA filtration systems are the perfect choice for patient care areas. HEPA-AIRE and PREDATOR Portable Air Scrubbers provide a cost-effective alternative for areas other than patient rooms.


Select portable HEPA filter units that can recirculate all or nearly all of the room air and provide the equivalent of 12 or more air changes per hour (ACH).

 

Abatement offers a variety of portable HEPA units capable of maintaining 12 ACH in small, medium and large-sized areas. Multiple systems can be deployed as needed. Learn more about using HEPA- CARE Air Purification Systems, HEPA-AIRE Portable Air scrubbers and PREDATOR Portable Air Scrubbers for air cleaning and recirculation.

 


Portable HEPA filter units previously used in construction zones can be used later in patient care areas if properly cleaned and decontaminated, and if the filter is replaced or performance verified.

 

HEPA-AIRE and PREDATOR Portable Air Scrubbers can function effectively in patient care areas, but are designed primarily for construction applications. The use of HEPA-CARE units is preferable, with PAS units reserved only for emergency or backup use for patient care requirements.

 


When ultraviolet germicidal irradiation (UVGI) is used as a supplemental engineering control for AIIR areas, install UV fixtures in the return air duct or upper room.

 

The UV400C-PT Ceiling-Mounted Germicidal UV Module adds the germ-killing power of UVGI to the HEPA- CARE HC800C. Air treated by a UV800F UVGI module or HC600FUV model can also be ducted directly into the HVAC system.

 


Clean ventilation ducts as part of routine HVAC maintenance to ensure optimum performance.

 

 

Abatement Technologies is the leading manufacturer of high-efficiency HEPA filtration systems and other products for effective source removal duct cleaning.

 

Click to download Abatement Technologies’ white paper on meeting 2003 CDC and AIA Guidelines for Healthcare Infection Control.

Canadian Standards for Health Care Construction ( Canada Healthcare Facilities)

The Canadian Standards Association (CSA) has also developed and implemented similar standards for Canadian health care facilities. The Canadian Standards association (CSA) has issued CSA Z317.13-03 Infection Control During Construction or Renovation of Health Care Facilities, which outlines similar requirements for Canadian healthcare settings.

They also led to the 2007 development and implementation of CSA (Canadian Standards Association) standard
CAN/CSA-Z317.13-07 for Canadian facilities.