Journal
EXPERT OPINION ON DRUG SAFETY
Volume 9, Issue 5, Pages 699-712Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1517/14740331003739188
Keywords
critically ill; drug-drug interactions; intensive care units; QT prolongation; safety; torsades de pointes
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Importance of the field: Critically ill patients are at an increased risk to develop drug-drug interactions (DDIs). DDIs that increase the risk of QT prolongation, and ultimately torsades de pointes, can result in a medical emergency. Many clinicians are unaware of the risk of certain drug combinations that may precipitate QT prolongation in the intensive care unit (ICU). Additional DDI education and a review of management strategies could assist with prevention of future adverse outcomes. Areas covered in this review: This review focuses on some commonly used medications in the ICU that may be involved in pharmacokinetic and/or pharmacodynamic DDIs leading to the development of QT prolongation and possibly torsades de pointes. Also, appropriate management strategies are discussed. What the reader will gain: The ICU clinician will gain a better understanding of common medications used in the ICU and DDIs that put patients at risk for the development of QT prolongation and torsades de pointes. Take home message: Medications that may cause QT prolongation are common in the ICU and DDIs need to be identified and prevented by the clinician to avoid a potentially life-threatening dysrrhythmia.
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