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Background: Many infectious diseases are diagnosed in emergency departments (ED) and patients are prescribed antimicrobial therapy. Results from cultures typically take a few days to become finalized. Following up on these results is necessary when medication changes are indicated due to results that show bacteria are resistant to the prescribed antibiotics. Involving pharmacists in assessing the culture and sensitivity results, and making interventions when needed, is an innovative way to ensure that patients receive appropriate antimicrobial therapy based on the culture and sensitivity data. This study analyzed the impact of pharmacist involvement in the ED’s post-discharge positive culture review process on ED re-visits and hospitalizations. Methods: This single-center, pre- and post-implementation study examined the impact of pharmacist involvement in the post-ED visit culture review process on ED re-visits and hospitalizations. Positive microbiological results included documented growth from urine, skin and soft tissue, throat, blood, or stool cultures. Patients included in the study were of 18 years of age or older and had a positive culture result post ED-discharge. Patients were excluded from the study if they were admitted to the hospital or transferred to another facility. The primary outcomes included ED re-visits within 7 days and hospital readmissions within 30 days for the same condition. The secondary outcomes were percentage of pharmacist interventions accepted and types of pharmacist interventions implemented. Results: A total of 141 patients were included in the study, with 65 in the pre-implementation group and 76 in the post-implementation group. The primary outcome of ED re-visits within 7 days for the same condition occurred in 11 (17%) patients in the pre-implementation group and 5 (7%) patients in the post-implementation group ( P = .0454). The primary outcome of hospitalizations within 30 days for the same condition occurred in 5 (8%) patients in the pre-implementation group and 1 (1%) patient in the post-implementation group ( P = .0137). Seventeen (94%) out of the 18 pharmacist interventions were accepted and implemented. The intervention types implemented were to recommend to: change antibiotic (35%), not initiate antibiotic (24%), initiate antibiotic (24%), and continue antibiotic (18%). Conclusion: Pharmacist involvement in the ED post-discharge positive culture review process showed a decrease in ED re-visits and hospitalizations for the same condition.
Richardson et al. (Thu,) studied this question.