This project seeks to contribute to
AHRQ's mission by assisting nursing homes to optimize antimicrobial
(e.g., antibiotics and antifungals) prescribing practices, also
referred to as antimicrobial stewardship. Antimicrobial stewardship
programs reduce the development of drug-resistant organisms,
enhance patient outcomes, and reduce unnecessary costs. Nursing
homes serve as one of our most fertile breeding grounds for
antibiotic-resistant strains of bacteria. This stems from high
rates of infection in nursing home residents due to the effects of
normal aging combined with multiple chronic diseases. The most
common infections encountered in nursing home residents are
pneumonia, urinary tract infections, and skin and soft tissue
infections. In one study by Yoshikawa and Norman, researchers found
that these three types of infections accounted for approximately 75
percent of all nursing home-associated infections (NHAIs) . High
rates of these infections lead to antimicrobials being among the
most commonly prescribed pharmaceuticals in long-term care
settings. In nursing homes, where polypharmacy is the rule rather
than the exception, as many as 40 percent of all prescriptions are
for antimicrobial agents , and depending on the study, 25 percent
to 75 percent have been deemed inappropriately prescribed. Such
inappropriate prescribing results in negative outcomes, including
adverse drug events, hospital admissions, and higher health care
costs. Most significantly, inappropriate antimicrobial prescribing
gives rise to the development of multi-drug resistant organisms
(MDROs), including Methicillin-resistant Staphylococcus aureus,
Vancomycin-resistant Enterococci, and fluoroquinolone-resistant
strains of a variety of bacteria, and leads to the development of
Clostridium difficile infections. In general, determining
"appropriateness" of antimicrobial use in healthcare settings is
challenging to standardize. This becomes even more complicated in
the nursing home setting because most antimicrobial courses are
started empirically (without results from labs) due to the limited
diagnostics available to many nursing homes. In an effort to
address the need for optimizing antibiotic use in the nursing
homes, AHRQ is testing a Guide to Nursing Home Antimicrobial
Stewardship (the Guide). The Guide is intended to help nursing home
staff easily identify toolkits that have been shown to be effective
in optimizing antimicrobial use. There are multiple toolkits that
could be used by a nursing home, and nursing homes face a
potentially time-consuming decision process to choose the most
appropriate one. The Guide is intended to help nursing homes make
this choice efficiently and effectively.
US Code:
42
USC 299 Name of Law: Healthcare Research and Quality Act of
1999
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