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Fixed-dose regimens are a common approach to administer drugs to achieve and maintain desired levels of the drug in the body. In this dosing strategy, a specific amount of medication is given at regular intervals, often multiple times a day, to ensure a consistent drug concentration in the bloodstream.
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A drug dosage regimen describes the specific instructions and schedule for administering a drug to a patient. It considers factors such as drug dosage, frequency, route of administration, and duration of treatment. Designing an appropriate dosage regimen for a patient aims to achieve a target drug concentration at the site of action.
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A rational dosage regimen considers a drug's pharmacokinetics, including its absorption, distribution, metabolism, and elimination from the body. By understanding these factors, the appropriate dosage can be determined, and the dosing schedule can be designed to achieve and maintain the desired therapeutic effect while minimizing adverse effects.
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The single-compartment model serves as a simplified representation of the human body. This model assumes that the body functions as a single, well-mixed open compartment. When a drug is administered intravenously, it enters the body and quickly distributes uniformly. The drug then undergoes biotransformation and elimination, ultimately leaving the body. The volume of this compartment is referred to as the apparent volume of distribution into which the drug can uniformly distribute. In this...
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The one-compartment open model is a simplified approach used in pharmacokinetics to understand the distribution and elimination of a drug administered through an intravenous bolus. This model assumes rapid drug dispersal throughout the body and elimination using a first-order process. Key pharmacokinetic parameters, such as the elimination rate constant (k), half-life (t1/2), and the apparent volume of distribution (Vd), can be estimated from this model. The elimination rate is calculated...
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Factors Affecting Drug Response: Overview01:21

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When it comes to infants and young children, they are typically administered smaller doses of medication in comparison to adults. This is primarily because their organ functions still need to fully develop, meaning their bodies are not as efficient at metabolizing or eliminating drugs. Additionally, their blood-brain barrier is more permeable than in adults. As a result, high concentrations of drugs can easily penetrate the central nervous system (CNS), potentially leading to neurological...
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Effect of Multi-Dose Dispensing on Medication Regimen Complexity: A Real-World Study.

Sunmin Lee1,2, Jongsung Hahn3, Heungjo Kim2,4

  • 1College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon 57922, Republic of Korea.

Journal of Clinical Medicine
|April 9, 2024
PubMed
Summary
This summary is machine-generated.

Multi-dose medication dispensing (MMD) significantly reduces medication regimen complexity (MRC) in older patients. This study shows MMD lowers the Medication Regimen Complexity Index (MRCI) scores, especially for those with high complexity.

Keywords:
dose administration aidmedication regimen complexitymulti dose dispensingpharmacist practiceregimen complexity

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Area of Science:

  • Geriatric Pharmacy
  • Medication Management
  • Patient Safety

Background:

  • Older adults often face complex medication regimens, increasing the need for dosing aids like multi-dose medication dispensing (MMD).
  • Limited studies have evaluated the effectiveness of MMD in managing medication regimen complexity (MRC).

Purpose of the Study:

  • To assess the impact of MMD on medication regimen complexity in older patients.
  • To evaluate the efficacy of MMD using the Medication Regimen Complexity Index (MRCI) in a Korean hospital setting.

Main Methods:

  • A study involving 1120 patients discharged between January and March 2019.
  • Quantified MRC using the MRCI-K score, comparing pre-MMD and post-MMD scores across different hospital wards.
  • Analyzed MMD's effect based on patient admission diagnosis and MRCI score quartiles.

Main Results:

  • The mean MRCI-K score decreased significantly from 26.2 to 18.9 after implementing MMD.
  • The most substantial reduction in MRCI scores was observed in the Orthopedic Surgery ward and among patients in the highest MRCI quartile.
  • Patients with respiratory diseases had the highest baseline scores, while ENT patients showed the greatest MRC reduction post-MMD.

Conclusions:

  • MMD effectively reduces medication regimen complexity, as evidenced by significant decreases in MRCI-K scores.
  • Pharmacist-led services are crucial for identifying patients who would benefit most from MMD interventions.