alexa Presence and accuracy of drug dosage recommendations for continuous renal replacement therapy in tertiary drug information references.


Advanced Techniques in Biology & Medicine

Author(s): Gorman SK, Slavik RS, Lam S

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Abstract BACKGROUND: Clinicians commonly rely on tertiary drug information references to guide drug dosages for patients who are receiving continuous renal replacement therapy (CRRT). It is unknown whether the dosage recommendations in these frequently used references reflect the most current evidence. OBJECTIVE: To determine the presence and accuracy of drug dosage recommendations for patients undergoing CRRT in 4 drug information references. METHODS: Medications commonly prescribed during CRRT were identified from an institutional medication inventory database, and evidence-based dosage recommendations for this setting were developed from the primary and secondary literature. The American Hospital Formulary System-Drug Information (AHFS-DI), Micromedex 2.0 (specifically the DRUGDEX and Martindale databases), and the 5th edition of Drug Prescribing in Renal Failure (DPRF5) were assessed for the presence of drug dosage recommendations in the CRRT setting. The dosage recommendations in these tertiary references were compared with the recommendations derived from the primary and secondary literature to determine concordance. RESULTS: Evidence-based drug dosage recommendations were developed for 33 medications administered in patients undergoing CRRT. The AHFS-DI provided no dosage recommendations specific to CRRT, whereas the DPRF5 provided recommendations for 27 (82\%) of the medications and the Micromedex 2.0 application for 20 (61\%) (13 [39\%] in the DRUGDEX database and 16 [48\%] in the Martindale database, with 9 medications covered by both). The dosage recommendations were in concordance with evidence-based recommendations for 12 (92\%) of the 13 medications in the DRUGDEX database, 26 (96\%) of the 27 in the DPRF5, and all 16 (100\%) of those in the Martindale database. CONCLUSIONS: One prominent tertiary drug information resource provided no drug dosage recommendations for patients undergoing CRRT. However, 2 of the databases in an Internet-based medical information application and the latest edition of a renal specialty drug information resource provided recommendations for a majority of the medications investigated. Most dosage recommendations were similar to those derived from the primary and secondary literature. The most recent edition of the DPRF is the preferred source of information when prescribing dosage regimens for patients receiving CRRT.
This article was published in Can J Hosp Pharm and referenced in Advanced Techniques in Biology & Medicine

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