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ISOLATION ROOMS: How many air changes per hour?

Design considerations for negative isolation and positive isolation rooms are discussed in this brief article by an engineering consultant.  Negative-pressure isolation rooms are intended to keep an infectious patient from infecting others in the hospital.  Positive isolation rooms are the opposite – intended to keep germs away from an immunocompromised patient in the room.  The recommendation for both types of isolation rooms is reported to be at least 12 air changes per hour.  Some hospitals use isolation rooms for general patients when they are available.  Although allowed in the past, it is no longer possible to operate isolation rooms that can be switched back and forth from negative to positive pressure.

Source: Herrick, M. (2017, February). Pressure points: Planning and maintaining air isolation rooms. Health Facilities Management, 30(2), 29-32.  Click here: http://www.hfmmagazine.com/articles/2671-planning-and-maintaining-hospital-air-isolation-rooms  Posted by AHA Resource Center (312) 422-2050, rc@aha.org

Healthcare Associated Infections: National & State Progress in Prevention

The Centers for Disease Control and Prevention track and report healthcare associated infections through its National Healthcare Safety Network [NHSN]. The data can be used to focus on and assess care improvement.

An annual progress report is now out that reports both national and state-level progress for acute-care hospitals in preventing these six types of infections:

  • Central line-associated bloodstream infections [CLABSI]
  • Catheter-associated urinary tract infections [CAUTI]
  • Surgical site infections [SSI] for colon surgery
  • Surgical site infections [SSI] for abdominal hysterectomy surgery
  • Hospital-onset Methicillin-resistant Staphylococcus aureus bacteremia [MRSA]
  • Clostridium difficile infections [C. difficile]

Except for CAUTI, national reductions in 2013 were seen over previous years for each infection type tracked in the report. CLABSI, for example has decreased by 46% since 2008. However, CAUTI has seen a 6% increase between 2009 and 2013, pointing to a need for increased preventive efforts.

Progress in reducing healthcare associated infections in hospitals was more variable in individual states. Separate fact sheets on progress are included for each state.

 

Source: National Center for Emerging and Zoonotic Infectious Diseases. National and state healthcare associated infections; progress report. Centers for Disease Control and Prevention, Jan. 2015. http://www.cdc.gov/HAI/pdfs/progress-report/hai-progress-report.pdf

Posted by AHA Resource Center (312) 422-2050 rc@aha.org

CLABSI incidence statistics: 250,000 cases per year

Here are some national estimates related to central-line associated bloodstream infection (CLABSI):

  • 15 million central-vascular-catheter days in intensive care units nationally
  • 250,000 CLABSI cases in hospitals, of which 80,000 occur in the ICU
  • 58 percent decrease in CLABSIs in ICU patients comparing 2001 and 2009
  • 3,000 to 6,000 lives saved in 2009 compared to 2001 due to this decrease
  • $414 million medical cost savings in 2009 compared to 2001 due to this decrease

Source: Bloodstream infections: hospitals may be winning the fight, but there’s more work to do.  The Journal of Healthcare Contracting;9(4):48, 50-53, 56, Aug. 2012.  Click here to link to publisher’s website: http://www.jhconline.com/bloodstream-infections.html Posted by AHA Resource Center, (312) 422-2050, rc@aha.org