medication safety part 1
DESCRIPTION
Medication Safety Part 1. Outline. Medication safety terminology Relationship between medication errors, adverse drug events & adverse drug reactions Medication error classification Factors contributing to medication errors. Medication Misadventure. - PowerPoint PPT PresentationTRANSCRIPT
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Medication SafetyPart 1
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Medication safety terminology
Relationship between medication errors, adverse drug events & adverse drug reactions
Medication error classification
Factors contributing to medication errors
Outline
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An iatrogenic hazard or incident associated with medications
May be attributable to error (human, or system, or both), immunologic response or idiosyncratic response
Is always unexpected or undesirable to the patient and the health professional
A medication misadventure may or may not cause an injury to a patient
Medication Misadventure
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An injury form a medicine (or lack of intended medicine)
Adverse Drug Event (ADE)
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Any unexpected, unintended, undesired, or excessive response to a drug that:
1. Requires discontinuing the drug (therapeutic or diagnostic),2. Requires changing the drug therapy,3. Requires modifying the dose (except minor dose adjustments),4. Necessitates admission to a hospital,5. Prolongs stay in a health care facility,6. Necessitates supportive treatment,7. Significantly complicates diagnosis,8. Negatively affects prognosis, or9. Results in temporary or permanent harm, disability, or death
Adverse Drug Reaction (ADR)
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An allergic reaction (an immunologic hypersensitivity, occurring as the result of unusual sensitivity to a drug)
and
An idiosyncratic reaction (an abnormal susceptibility to a drug that is peculiar to the individual)
are considered ADRs
ADRs
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An expected, well-known reaction resulting in little or no change in patient management
The frequency of this effect is predictable and the intensity is dose-related
e.g. drowsiness or dry mouth due to administration of certain antihistamines
Side Effect
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Any preventable event that has the potential to lead to inappropriate medication use or patient harm while the drug is in the control of the healthcare professional, patient, or consumer
Medication Error
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Relationship between Medication errors, ADEs, ADRs
ADR
ADEMedication
Error
Medication MisadventureA
B ED
C
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Medication misadventures (A) include all things that can go wrong in drug use
ADRs (C) are a subset of ADE and are not related to an error (e.g. allergies)
Section (D) is ADEs resulting from a medication error (e.g. reactions resulting from unintentional overdose)
Relationship between Medication errors, ADEs, ADRs
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ADEs within section (B) but are not part of sections (C) or (D) are side effects (expected and unavoidable)
Section (E) includes medication errors that don’t result in patient harm (e.g. dose administered late but did not result harm in the patient)
Relationship between Medication errors, ADEs, ADRs
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Medication Use Process
•Assessing the need for/selecting the correct drug
•Individualizing the therapeutic regimen
Prescribing•Reviewing the order for correctness of
dosing and indication•Compounding/preparing the drug
Dispensing
•Administering the right drug to the right patient
•Administering the drug when indicated
Administering
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Medication Use Process - Cont’d
•Monitoring and documenting patient response
•Reevaluation drug selection, frequency, & duration
Monitoring
•Communicating and collaborating among caregiversSystems/Management
Control
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Medication Errors
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Any preventable event that has the potential to lead to inappropriate medication use or patient harm while the drug is in the control of the healthcare professional, patient, or consumer
Medication Error Definition
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Medication errors cause at least one death every day
and
injure approximately 1.3 million people annually in the United States
Medication Errors
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Prescribing Error
• Incorrect drug selection (based on indications, contraindications, known allergies, existing drug therapy, and other factors), dose, dosage form, quantity, route, concentration, rate of administration, or instructions for use of a drug product ordered or authorized by physician
Omission Error
• The failure to administer an ordered dose to a patient before the next scheduled dose
Classification A) Type of Event
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Wrong Time Error
• Administration of medication outside a predefined time interval from its scheduled administration time
Improper Dose Error
• Administration to the patient of a dose that is greater than or less than the amount ordered by the prescriber or administration of duplicate doses to the patient, i.e.one or more dosage units in addition to those that were ordered
Classification A) Type of Event
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Unauthorized Drug Error
• Administration to the patient of medication not authorized by a legitimate prescriber for the patient
Wrong Dosage Form Error
• Administration to the patient of a drug product in a different dosage form than ordered by the prescriber
Classification A) Type of Event
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Wrong Drug Preparation Error
• Drug product incorrectly formulated or manipulated before administration
Wrong Administration-Technique Error
• Inappropriate procedure or improper technique in the administration of a drug
Classification A) Type of Event
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Deteriorated Drug Error
• Administration of a drug that has expired or for which the physical or chemical dosage-form integrity has been compromised
Monitoring Error
• Failure to review a prescribed regimen for appropriateness and detection of problems, or failure to use appropriate clinical or laboratory data for adequate assessment of patient response to prescribed therapy
Classification A) Type of Event
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Compliance Error
• Inappropriate patient behavior regarding adherence to a prescribed medication regimen
Other Medication Error
• Any medication error that does not fall into one of above predefined categories
Classification A) Type of Event
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Classification B) Step of Medication Use Process
Prescribing
Monitoring
AdministeringDispensing
Systems
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Miscommunication (verbal & telephone orders) Poor handwriting/ Use of abbreviations Product confusion (e.g. sound/look-alike) Inaccurate dosage calculation Availability of multiple concentrations Preparation of drug product outside pharmacy Stress (workload & environment) Environment (e.g. lighting, noise levels, frequent
interruptions)
Factors That Contribute to Medication Errors
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Inadequate staffing Student providing care Shift change Lack of experienced personnel on duty New employee (< 6 months) Equipment failure or malfunction Inappropriate abbreviations used in prescribing Labeling errors Lack of patient education Reference material (inaccurate, out of date)
Factors That Contribute to Medication Errors - Cont’d
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Drugs that are involved in the majority of medication errors that resulted in serious injury or death
High-Alert Drugs Definition
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Insulin Opiates/Narcotics Concentrated injectable potassium Intravenous anticoagulants Concentrated sodium chloride solutions Antiarrhythmics Chemotherapy Parentral CCBs and BBs Oral hypoglycemics Warfarin
High-Alert Drugs Examples
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Drug or Drug Class Risk Factors Risk Reduction Strategies
Insulin Use of ‘’U’’ abbreviation for ‘’units’’
Require the word ‘’units’’ be spelled out on all orders
Potassium injection & NaCl solutions
-Availability as floor stock-Extemporaneous mixing
Remove concentrated product from patient care units and centralize admixture to pharmacy
Intravenous anticoagulants
Multidose containers and availability of multiple concentrations
Use single dose containers, limit available concentrations
High-Alert Drugs Risk Reduction Strategies
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These refer to names of medications, which due to their spelling, may look similar to other medications’ names
Distribution/administration of these medications may be prone to errors
Also refer to product labeling/packagingExample Prozac ® and Proscar ®
Look-Alike Medications
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These refer to names of medications, which due to their pronunciation, may sound similar to other medications’ names
Distribution/administration of these medications may be prone to errors
Example◦ Dianben ® and Diovan®◦ Furosemide and Famotidine
Sound-Alike Medication