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Nurse staffing, burnout linked to hospital infections

Washington, DC, USA (July 30, 2012) – Nurse burnout leads to higher healthcare-associated infection rates (HAIs) and costs hospitals millions of additional dollars annually, according to a study published in the August issue of the American Journal of Infection Control, the official publication of the Association for Professionals in Infection Control and Epidemiology (APIC).

Researchers from the Center for Health Outcomes and Policy Research at the University of Pennsylvania School of Nursing analyzed data previously collected by the Pennsylvania Health Care Cost Containment Council, the American Hospital Association Annual Survey, and a 2006 survey of more than 7,000 registered nurses from 161 hospitals in Pennsylvania to study the effect of nurse staffing and burnout on catheter-associated urinary tract infections (CAUTI) and surgical site infections (SSI), two of the most common HAIs.

Job-related burnout was determined by analyzing the emotional exhaustion subscale from the Maslach Burnout Inventory-Human Services Survey (MBI-HSS) that was obtained from nurse survey responses. The MBI-HSS filters 22 items on job-related attitudes into emotional exhaustion, depersonalization, and personal accomplishment, identifying emotional exhaustion as the key component to burnout syndrome. More than one-third of survey respondents got an emotional exhaustion score of 27 or greater, the MBI-HSS definition for healthcare personnel burnout.

Comparing CAUTI rates with nurses’ patient loads (5.7 patients on average), the researchers found that for each additional patient assigned to a nurse, there was roughly one additional infection per 1,000 patients (or 1,351 additional infections per year, calculated across the survey population). Additionally, each 10 percent increase in a hospital’s high-burnout nurses corresponded with nearly one additional CAUTI and two additional SSIs per 1,000 patients annually (average rate of CAUTIs across hospitals was 9 per 1,000 patients; for SSIs it was 5 per 1,000 patients).

Using the per-patient average costs associated with CAUTIs ($749 to $832 each) and SSIs ($11,087 to $29,443 each), the researchers estimate that if nurse burnout rates could be reduced to 10 percent from an average of 30 percent, Pennsylvania hospitals could prevent an estimated 4,160 infections annually with an associated savings of $41 million.

"Healthcare facilities can improve nurse staffing and other elements of the care environment and alleviate job-related burnout in nurses at a much lower cost than those associated with healthcare-associated infections," conclude the authors. "By reducing nurse burnout, we can improve the well-being of nurses while improving the quality of patient care."

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ABOUT AJIC: AMERICAN JOURNAL OF INFECTION CONTROL

AJIC: American Journal of Infection Control (www.ajicjournal.org) covers key topics and issues in infection control and epidemiology. Infection preventionists, including physicians, nurses, and epidemiologists, rely on AJIC for peer-reviewed articles covering clinical topics as well as original research. As the official publication of APIC – the Association for Professionals in Infection Control and Epidemiology – AJIC is the foremost resource on infection control, epidemiology, infectious diseases, quality management, occupational health, and disease prevention. AJIC also publishes infection control guidelines from APIC and the CDC. Published by Elsevier, AJIC is included in MEDLINE and CINAHL.

ABOUT APIC

APIC’s mission is to create a safer world through prevention of infection. The association’s more than 14,000 members direct infection prevention programs that save lives and improve the bottom line for hospitals and other healthcare facilities. APIC advances its mission through patient safety, implementation science, competencies and certification, advocacy, and data standardization. Visit APIC online at www.apic.org.

NOTES FOR EDITORS

• "Nurse staffing, burnout and health care-associated infection" by Jeannie P. Cimiotti, Linda H. Aiken, Douglas M. Sloane and Evan S. Wu appears in the American Journal of Infection Control, Volume 40, Issue 6 (August 2012).

Authors

• Jeannie P. Cimiotti, DNSc, RN (Corresponding Author)
  New Jersey Collaborating Center for Nursing and School of Nursing Rutgers, the State University of New Jersey
  Newark, NJ
• Linda H. Aiken, PhD
  Center for Health Outcomes and Policy Research
  School of Nursing, University of Pennsylvania
  Philadelphia, PA
• Douglas M. Sloane, PhD
  Center for Health Outcomes and Policy Research
  School of Nursing, University of Pennsylvania
  Philadelphia, PA
• Evan S. Wu, BS
  Center for Health Outcomes and Policy Research
  School of Nursing, University of Pennsylvania
  Philadelphia, PA

AJIC: American Journal of Infection Control (www.ajicjournal.org), 30.07.2012 (tB).