期刊
INTERNAL MEDICINE JOURNAL
卷 52, 期 3, 页码 396-402出版社
WILEY
DOI: 10.1111/imj.15003
关键词
AAL; Antimicrobial Allergy Labels; Antibiotic Allergy Labels; Antibiotic Allergy
This study aimed to evaluate the impact of antimicrobial allergy labels (AAL) on antibiotic prescribing, patient mortality, hospital length of stay, readmission, and rates of multidrug-resistant infections. The results showed that patients with AAL had lower adherence to antibiotic guidelines, but there was no significant association with adverse outcomes.
Background Although common, antimicrobial allergy labels (AAL) rarely reflect immunologically-mediated hypersensitivity and can lead to poorer outcomes from alternative antimicrobial agents. Antimicrobial stewardship programs are ideally placed to assess AAL early as a means of improving antimicrobial use. Aims To quantify the prevalence of AAL in patients referred for antimicrobial stewardship review and assess their impact on antibiotic prescribing, patient mortality, hospital length of stay, readmission and rates of multidrug-resistant infections. Methods We conducted a retrospective analysis of adult patients referred for inpatient antimicrobial prospective audit and feedback rounds (PAFR) through an electronic referral system (eReferrals) over a 12-month period in 2015. Outcome data were collected for a period of 36 months following the initial review. Results Of the 639 patient records reviewed, 630 met inclusion criteria; 103 (16%) had an AAL, of which 82 (13%) had reported allergies to beta-lactam antibiotics. Those with AAL were significantly less likely to be receiving guideline-recommended antimicrobial therapy (50% vs 64%, P = 0.0311); however, there were no significant difference in mortality, hospital length of stay, readmission or increased incidence of multidrug-resistant infections. Conclusions Our cohort demonstrated that AAL was associated with reduced adherence to antibiotic guidelines. The lack of association with adverse outcomes may reflect limitations within the study including retrospective cohort study numbers and observational nature, further skewed by high rates of poor documentation. A clear opportunity exists for antimicrobial stewardship programs to incorporate allergy assessment, de-labelling, challenge and referral into these rounds.
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