Related Experiment Video
Updated: Dec 21, 2025
09:36
Halogenated Agent Delivery in Porcine Model of Acute Respiratory Distress Syndrome via an Intensive Care Unit Type Device
Published on: September 24, 2020
3.0K
[Drug-drug Interactions in Intensive Care]
Summary
Drug-drug interactions are frequent in intensive care units due to high medication numbers. This review highlights pharmacokinetic interactions, crucial for safe treatment of critically ill patients.
Area of Science:
- Pharmacology
- Intensive Care Medicine
- Clinical Pharmacy
Background:
- Drug-drug interactions (DDIs) are a significant concern in intensive care units (ICUs).
- Critically ill patients often receive numerous medications (25-35 per patient), increasing the risk of DDIs.
- Understanding pharmacodynamic and pharmacokinetic interactions is vital for patient safety.
Purpose of the Study:
- To review current evidence on drug interactions in intensive care patients.
- To emphasize pharmacokinetic mechanisms as a primary cause of clinically relevant DDIs.
- To discuss common drug classes involved in ICUs.
Main Methods:
- Literature review of existing studies on drug interactions in intensive care settings.
- Focus on pharmacokinetic and pharmacodynamic interactions.
- Inclusion of a clinical case example.
Main Results:
- Pharmacokinetic interactions are frequently implicated in DDIs among ICU patients.
- Key drug classes involved include analgesics, sedatives, antibiotics, antimycotics, antiepileptics, immunosuppressants, prokinetics, and gastric acid regulators.
- Pharmacodynamic interactions such as QTc prolongation and serotonin syndrome are also noted.
Conclusions:
- Drug interactions, particularly pharmacokinetic ones, pose significant risks in ICUs.
- Awareness and management of DDIs are essential for optimizing treatment safety in critically ill patients.
- A case of severe hypertension exacerbated by rifampin and antihypertensives illustrates the potential impact of DDIs.
Related Concept Videos
01:25Pharmacokinetics: Drug–Drug Interactions
261
Drug interactions occur when the pharmacological effect of one drug is altered by another substance, either enhancing or diminishing its activity. The drug whose activity is altered is known as the object drug, and the substance causing the alteration is called the agent drug or the precipitant. The net effects of these interactions are mostly undesirable, leading to decreased effectiveness or increased adverse effects. In rare cases, interactions can be beneficial, such as the enhanced...
261
01:24Drug Accumulation During Multiple Dosing: Intermittent IV Infusions
161
Intermittent intravenous (IV) infusion is a method of drug administration where medications are delivered over short infusion periods followed by intervals of no drug delivery. This approach helps to prevent sustained high drug concentrations in the bloodstream, reducing the risk of adverse effects associated with prolonged exposure. Unlike continuous infusion, steady-state concentrations may not be achieved during a single dosing cycle but can be reached through repeated...
161
01:26Pharmacokinetics: Drug–Food and Drug–Viral Interactions
155
A drug interaction occurs when the concurrent use of another drug, food, or an external substance alters the pharmacological activity of a drug. This interaction can modify the action of the original drug, affecting its effectiveness and safety.Drug–food interactions are significant as they impact drug absorption, metabolism, and excretion. For example, grapefruit juice is a well-known disruptor of drug metabolism. It inhibits the cytochrome P450 3A4 enzyme, crucial for the metabolism of...
155
01:20Acute Kidney Injury V: Interprofessional Care
203
Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
203
01:28Acute Coronary Syndrome IV: Interprofessional Care
159
IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
159
01:22Acute Kidney Injury VI: Nursing Management
283
Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...
283