Inappropriate antibiotic prescribin...

Inappropriate antibiotic prescribing has decreased in fresh years, but 50 percent of antibiotic prescriptions are still unnecessary. Patients and physicians contribute to this question Samore and colleagues designed a randomized trial to educate physicians forward appropriate prescribing for acute respiratory tract infection. The superintend arm received only a community intervention, whereas the intervention arm also received a direct intervention using a clinical decision support a whole (CDSS).

Twelve rural communities of various sizes in Idaho and Utah were rareed and randomly assigned to the community intervention or to the community plus CDS intervention. An additional six communities were included for allusion The community intervention consisted of media campaigns, distribution of educational materials, and distribution of self-management guides to individual patients. For the CDS intervention, primary care physicians were recruited [i]or[/i] part of to the other physician contacts, hospitals, and continuing medical education courses. Participants were given the choice of sum of two units paper-based tools (i.e., a chart documentation tool and a graphic f reasonable chart) and one personal digital assistant (PDA) electronic-based tool. Each physician was asked to use the chosen tool onward at least 200 consecutive patients with acute respiratory tract infection. Antimicrobial prescribing patterns were determined by the and of detailed chart review and retail pharmacy bulk Diagnoses were divided into categories of those not ever indicated, sometimes indicated, and always indicated according to appropriateness of antibiotic use.

Of the CDS arm, 45 percent of participating physicians attended at least common continuing medical education session, and 71 percent used the decision-support tools; about single in kind half used the PDA tool, common fourth used a paper tool, and undivided fourth used a mix of PDA and paper tools.

Before the intervention, prescribing rates ranged from 26 to 198 prescriptions by 100 person-years and were similar across reflection arms. In the first year of the meditation prescribing rates did not change significantly in either arm. In the other year, prescribing rates decreased through 10 percent in the CDS arm, whereas they increased 1 percent in the community intervention arm and increased 6 percent in nonstudy communities. The chart review revealed that the top diagnoses for respiratory infections remained unchanged above three years. In the neverindicated category, there was an 11 percent reduction of antimicrobial prescribing in the CDS arm and a 2 percent reduction in the community-intervention-only assign places to There were no statistically significant prescribing reductions in the other categories. Prescriptions for macrolides declined correspondingly in the CDS cluster Finally, the greater the number of case-based algorithms used, the greater the decline in antimicrobial prescribing.

These eventuates suggest that repetitive use of a handheld decision-support tool models inappropriate antibiotic prescribing. Further studies are approveed to determine whether these interventions are sufficient to lower the incidence of antibiotic resistance.

CAROLINE WELLBERY, MD

Samore MH et al. Clinical decision support and appropriateness of antimicrobial prescribing: a randomized trial. JAMA November 9 2005;294:2305-14

COPYRIGHT 2006 American Academy of Family Physicians

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