Comparison of the defined daily dose and days of treatment methods for evaluating the consumption of antibiotics and antifungals in the intensive care unit.

Medicina intensiva
J VallèsE Diaz

Abstract

To compare the measurement of antimicrobial consumption by defined daily dose (DDD) versus by days of therapy (DOT). Retrospective analysis of clinical and administrative data from patients admitted to a polyvalent ICU. ICU at a University Hospital in Spain. All patients admitted to the ICU. None. For the DDD method, the World Health Organization (WHO)-assigned DDD was determined for the all the prescribed antimicrobials. For the DOT method, one DOT represented the administration of a single agent on a given day regardless of the number of doses administered. To express aggregate use, total DDDs and total DOTs were normalized to 100 patient-days. During the study period, 2393 adult patients were admitted to the ICU. Total median antimicrobial drugs measured by DDDs was 535.3 (IQR 319.8-845.5) vs. 344.0 (IQR 117.2-544.5) when measured by DOTs, p<0.001. When antimicrobial consumption was normalized to 100 patient-days, median antimicrobial consumption was also higher when measured by DDDs [2.98/100 patient-days (IQR 1.76-5.25) vs. 1.89/100 patient-days (IQR 0.64-3.0) when measured by DOTs, p<0.001]. For most antibacterial and antifungal drugs used in critically ill patients, estimates of aggregate antibiotic use by DDDs per 100 p...Continue Reading

Citations

Dec 15, 2020·Expert Review of Anti-infective Therapy·Mera A AbabnehEshraq Alabweny

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