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Medical errors are a serious public health problem and a leading cause of death in the United States. It is challenging to uncover a consistent cause of errors and, even if found, to provide a consistent viable solution that minimizes the chances of a recurrent event. By recognizing untoward events occur, learning from them, and working toward preventing them, patient safety can be improved.

Part of the solution is to maintain a culture that works toward recognizing safety challenges and implementing viable solutions rather than harboring a culture of blame, shame, and punishment. Healthcare organizations need to establish a culture of safety that focuses on system improvement by viewing medical errors as challenges that must be overcome. All individuals on the healthcare team must play a role in making the provision of healthcare safer for patients and healthcare workers.

All providers know medical errors create a serious public health problem that poses a substantial threat to patient safety. Yet, one of the most challenging unanswered questions is “What constitutes a medical error?” The answer to this basic question has not been clearly established. Due to unclear definitions, “medical errors” are difficult to scientifically measure. A lack of standardized nomenclature and overlapping definitions of medical errors has hindered data analysis, synthesis, and evaluation.

There are two major types of errors:

1. Errors of omission occur as a result of actions not taken. Examples are not strapping a patient into a wheelchair or not stabilizing a gurney prior to patient transfer.
2. Errors of the commission occur as a result of the wrong action taken. Examples include administering a medication to which a patient has a known allergy or not labeling a laboratory specimen that is subsequently ascribed to the wrong patient.

Health care professionals experience profound psychological effects such as anger, guilt, inadequacy, depression, and suicide due to real or perceived errors. The threat of impending legal action may compound these feelings. This can also lead to a loss of clinical confidence. Clinicians equate errors with failure, with a breach of public trust, and with harming patients despite their mandate to “first do no harm.”

Fear of punishment makes healthcare professionals reluctant to report errors. While they fear for patients’ safety, they also dread disciplinary action, including the fear of losing their jobs if they report an incident. Unfortunately, failing to report contributes to the likelihood of serious patient harm. Many healthcare institutions have rigid policies in place that also create an adversarial environment. This can cause staff to hesitate to report an error, minimize the problem, or even fail to document the issue. These actions or lack thereof can contribute to an evolving cycle of medical errors. When these errors come to light, they can tarnish the reputation of the healthcare institution and the workers.

Some experts hold that the term “error” is excessively negative, antagonistic and perpetuates a culture of blame. A professional whose confidence and morale has been damaged as a result of an error may work less effectively and may abandon a career in medicine. Many experts suggest the term “error” should not be used at all. Due to the negative connotation, it is prudent to limit the use of the term “error” when documenting in the public medical record. However, adverse patient outcomes may occur because of errors; to delete the term obscures the goal of preventing and managing its causes and effects.

Errors, no matter the nomenclature, typically occur from the convergence of multiple contributing factors. Public and legislative intolerance for medical errors typically illustrates a lack of understanding that some errors may not, in fact, be preventable with current technology or the resources available to the practitioner. Human factors are always a problem, and identifying errors permits improvement strategies to be undertaken. In particular, blaming or punishing individuals for errors due to systemic causes does not address the causes nor prevent a repetition of the error. The trend is for patient safety experts to focus on improving the safety of health care systems to reduce the probability of errors and mitigate their effects rather than focus on an individual’s actions. Errors represent an opportunity for constructive changes and improved education in health care delivery.

Governmental, legal, and medical institutions must work collaboratively to remove the culture of blame while retaining accountability. When this challenge is met, health care institutions will not be constrained from measuring targets for process improvement, including all errors, even with adverse outcomes.

Healthcare providers want to improve outcomes while reducing the risk of patient harm. Despite provider best efforts, medical error rates remain high with significant disability and death. Preventable medical errors contribute substantially to healthcare costs, including higher health insurance costs per person expenses. Only by health professionals working together will the cost and injury associated with medical errors be mitigated.

Source: National Library of Medicine

Source: National Library of Medicine: https://www.ncbi.nlm.nih.gov/books/NBK519065/

Rayhan A. Tariq; Rishik Vashisht; Ankur Sinha; Yevgeniya Scherbak.

Author Information and Affiliations

July 3, 2022.

Medication Error Definition

While there is no uniform definition of a medication error, The National Coordinating Council for Medication Error Reporting and Prevention defines a medication error as: “… any preventable event that may cause or lead to inappropriate medication use or patient harm while the medication is in the control of the healthcare professional, patient, or consumer. Such events may be related to professional practice, health care products, procedures, and systems, including prescribing; order communication; product labeling, packaging, and nomenclature; compounding; dispensing; distribution; administration; education; monitoring; and use.” However, there is no widely accepted uniform definition. Unfortunately, untoward medical errors and underreported medication errors result in significant morbidity and mortality.[4][3][5][6]

Medication errors can occur at many steps in patient care, from ordering the medication to the time when the patient is administered the drug. In general, medication errors usually occur at one of these points:

• Ordering/prescribing
• Documenting
• Transcribing
• Dispensing
• Administering
• Monitoring

Medication errors are most common at the ordering or prescribing stage. Typical errors include the healthcare provider writing the wrong medication, the wrong route or dose, or the wrong frequency. These ordering errors account for almost 50% of medication errors. Data show that nurses and pharmacists identify anywhere from 30% to 70% of medication-ordering errors. It is obvious that medication errors are a pervasive problem, but the problem is preventable in most cases.[19]

Rayhan A. Tariq; Rishik Vashisht; Ankur Sinha; Yevgeniya Scherbak.

Source: National Library of Medicine – www.ncbi.nlm.nih.gov/books/NBK519065

Last Update: July 3, 2022.

Close to 6,800 prescription medications and countless over-the-counter drugs are available in the United States. To further complicate a practitioner’s responsibility during patient care, there are thousands of health supplements, herbs, potions, and lotions used by the public regularly to treat their health problems. With the number of substances on the market, it is conceivable that mistakes can be made when practitioners prescribe or dispense drugs. Added to this is the high risk of interaction between substances.

Each year, in the United States alone, 7,000 to 9,000 people die due to a medication error. Additionally, hundreds of thousands of other patients experience but often do not report an adverse reaction or other complications related to a medication. The total cost of looking after patients with medication-associated errors exceeds $40 billion each year, with over 7 million patients affected. In addition to the monetary cost, patients experience psychological and physical pain and suffering as a result of medication errors. Finally, a major consequence of medication errors is that it leads to decreased patient satisfaction and a growing lack of trust in the healthcare system.[1][2]

The most common reasons for errors include failure to communicate drug orders, illegible handwriting, wrong drug selection chosen from a drop-down menu, confusion over similarly named drugs, confusion over similar packaging between products, or errors involving dosing units or weight. Medication errors may be due to human errors, but it often results from a flawed system with inadequate backup to detect mistakes.[3][4]

Objectives:

• Identify the most common errors related to medications.
• Review some of the critical points at which medication errors are most likely to occur.
• Outline some strategies to prevent medication errors from occurring.
• Summarize interprofessional team strategies for decreasing medication errors.

Issues of Concern

Medication errors are grouped by different taxonomies by the Joint Commission, World Health Organization, and The National Coordinating Council for Medication Error Reporting and Prevention.[20][21][22]

Some taxonomies consider the source of the error:

• Deteriorated drug error from compromised storage
• Drug utilization process errors from the administration, dispensing, or monitoring
• Prescribing errors

The most common system failures include:

• Inaccurate order transcription
• Drug knowledge dissemination
• Failing to obtain allergy history
• Incomplete order checking
• Mistakes the tracking of the medication orders
• Poor professional communication
• Unavailability or inaccurate patient information

The Agency for Healthcare Research and Quality, to better standardize medication reporting, developed the Common Formats, which are defined data elements collected and reported in the event of a medication error through the Patient Safety Organization Privacy Protection Center. The scope of the Common Formats encompasses all errors, including events that those that have the potential to affect the patient, near-misses, and those that have a patient effect.[23][24][25]

Full Article: https://www.ncbi.nlm.nih.gov/books/NBK519065/

Source: National Library of Medicine: https://www.ncbi.nlm.nih.gov/books/NBK519065/

Rayhan A. Tariq; Rishik Vashisht; Ankur Sinha; Yevgeniya Scherbak.

Author Information and Affiliations

July 3, 2022.

Medication Misadventure

A medication misadventure is an iatrogenic incident that is inherent to medication therapy. Medication misadventure includes medication errors, adverse drug reactions, and adverse drug events. It is created through omission or commission of medication administration. Medication misadventures always are undesirable and unexpected; they may or may not be independent of preexisting pathology; and might be due to human or system error, idiosyncratic, or immunologic response.[13][14][15]

Medication errors can occur at many steps in patient care, from ordering the medication to the time when the patient is administered the drug. In general, medication errors usually occur at one of these points:

• Ordering/prescribing
• Documenting
• Transcribing
• Dispensing
• Administering
• Monitoring

Medication errors are most common at the ordering or prescribing stage. Typical errors include the healthcare provider writing the wrong medication, the wrong route or dose, or the wrong frequency. These ordering errors account for almost 50% of medication errors. Data show that nurses and pharmacists identify anywhere from 30% to 70% of medication-ordering errors. It is obvious that medication errors are a pervasive problem, but the problem is preventable in most cases.[19]

Source: National Library of Medicine: https://www.ncbi.nlm.nih.gov/books/NBK519065/

Rayhan A. Tariq; Rishik Vashisht; Ankur Sinha; Yevgeniya Scherbak.

Author Information and Affiliations

July 3, 2022.

Causes of Medication Errors

Expired Product

Usually occurs due to improper storage of preparations resulting in deterioration or use of expired products.

Incorrect Duration

Duration errors occur when medication is received for a longer or shorter period of time than prescribed.

Incorrect Preparation

This error usually occurs with compounding or some other type of preparation before the final administration. An example is choosing the incorrect diluent to reconstitute.

Incorrect Strength

Incorrect strength may potentially occur at many points in the medication process. It usually occurs due to human error when similar bottles or syringes with the incorrect strength is selected.

Incorrect Rate

Most often occurs with medications that are given as IV push or infusions. This is particularly dangerous with many drugs and may result in significant adverse drug reactions. Examples include tachycardia due to rapid IV epinephrine or red man syndrome due to the rapid administration of vancomycin.

Incorrect Timing 

In both home and institutional settings, it is challenging to be completely accurate with scheduled doses. The concern is that some medication’s absorption is significantly altered if taken with or without food. As such, it is important to adhere to scheduled times as commonly; this may lead to under or overdosing.

Incorrect Dose

This error includes overdose, underdose, and an extra dose. An incorrect dose occurs when an inappropriate or different medication dose is given other than what was ordered, errors of omission when a scheduled dose of medication is not given, and when a drug is given via an incorrect route. Errors due to incorrect routes usually occur due to unclear labeling or tubing that is adaptive to multiple connectors/lines of access. Incorrect routes often result in result in significant morbidity and mortality.[26][27][28]

Incorrect Dosage Form

This occurs when a patient receives a dosage form different than prescribed, such as immediate-release instead of extended-release.

Incorrect Patient Action

This occurs when a patient takes a medication inappropriately. Patient education is the only way to prevent this type of error.

Known Allergen

Dispensing a drug that the patient has an allergy often due to failure to communicate with the patient, inappropriate chart review, inaccurate charting, or lack of technological interface.

Known Contraindication

This occurs when medications are not vigilantly reviewed for drug-drug, drug-disease, or drug-nutrient interactions.

Pharmacist

Errors by pharmacists are usually judgmental or mechanical. Judgmental errors include failure to detect drug interactions, inadequate drug utilization review, inappropriate screening, failure to counsel the patient appropriately, and inappropriate monitoring. A mechanical error is a mistake in dispensing or preparing a prescription, such as administering an incorrect drug or dose, giving improper directions, or dispensing the incorrect dose, quantity, or strength.

The most common causes involve workload, similar drug names, interruptions, lack of support staff, insufficient time to counsel patients, and illegible handwriting.

Distractions

One of the major causes of medication errors is distraction. Nearly 75% of medication errors have been attributed to this cause. Physicians have many duties in a hospital (e.g., examining patients, ordering laboratory and imaging studies, speaking to consultants, rounding on their patients, speaking to patient family members, conversing with insurance carriers before ordering studies), and in the midst of all this, they are often asked to write drug orders and prescriptions. In the rush to be done with writing drug orders, sometimes a lapse of judgment develops, and a medication error occurs. It can happen to the best physician. Sometimes the physician may be on the phone, and a clinician may be standing with the order chart next to him or her asking for a drug order. The physician may quickly scribble in a drug order, not paying attention to the dose or frequency. It is the unscheduled events in the life of a healthcare provider such as the constant pages, attendance at meetings, and answering telephone calls that disrupt patient care. Many physicians do not acknowledge that these distractions are a problem, but in reality, these distractions are often the cause of medication errors.[29]

To minimize distractions, hospitals have introduced measures to reduce medication errors. Most hospitals are working on ways to decrease distractions to ensure that medication orders do not occur. For example, physicians are urged to order drugs at a set time after rounding on their patients; this is when they also write their daily progress notes. Other clinicians are requested not to disturb the physician at this time of the day. Also, clinicians are asked only to disrupt the physician for an emergency. Physicians are being urged to develop a structure for their patient care that is organized so that distractions are limited. While answering a page is often necessary, many hospitals recommend that physicians not answer patient calls until patient duties are completed. Additionally, healthcare institutions are now penalizing physicians who continue to have too many medication errors because of distractions; the result is a restriction in prescribing privileges.

Of course, not all distractions can be eliminated because the practice of medicine is itself unpredictable and chaotic at the best of times.

Distortions

A prevalent cause of medication errors is distortions. The majority of distortions may originate from poor writing, misunderstood symbols, the use of abbreviations, or improper translation. A significant number of healthcare providers in the United States are from foreign countries and often write orders for medications that are not even available domestically. When a practitioner questions the drug, the physician often asks the nurse or pharmacist to substitute the medication prescribed for a similar drug. This type of distortion can lead to major errors because neither the non-prescribing practitioner nor the pharmacist can substitute a drug. All hospital pharmacies have a list of medications available in the formulary, and doctors should know what is available and limit the ordering from this list.

Illegible Writing

Illegible writing has plagued both nurses and pharmacists for decades. Physicians are often in a hurry and frequently scribble down orders that are not legible; this often results in major medication mistakes. Taking shortcuts in writing drug orders is a prescription for a lawsuit. Often the practitioner or the pharmacist is not able to read the order and makes their best guess. If the drug required is a dire emergency, this also adds more risk to the patient. To eliminate such errors, most hospitals have rules that practitioners and pharmacists have to follow; if the drug order is illegible, the physician must be called and asked to rewrite the order clearly. The practitioner or the pharmacist should never guess what the drug/dose is. The bad writing by physicians has become such a major problem that the Institute of Safe Medication Practices has recommended the complete elimination of handwritten orders and prescriptions. This problem has been resolved using electronic records where everything is typed, and poor writing is no longer an issue; however, errors still can occur from writing the wrong drug, dose, or frequency.[30][31]

Source: National Library of Medicine: https://www.ncbi.nlm.nih.gov/books/NBK519065/

Rayhan A. Tariq; Rishik Vashisht; Ankur Sinha; Yevgeniya Scherbak.

Author Information and Affiliations

July 3, 2022.

Types of Medication Errors

• Prescribing
• Omission
• Wrong time
• Unauthorized drug
• Improper dose
• Wrong dose prescription/wrong dose preparation
• Administration errors include the incorrect route of administration, giving the drug to the wrong patient, extra dose, or wrong rate
• Monitoring errors such as failing to take into account patient liver and renal function, failing to document allergy or potential for drug interaction
• Compliance errors such as not following protocol or rules established for dispensing and prescribing medications

Clinical Significance

Medication errors are a common issue in healthcare and cost billions of dollars nationwide while inflicting significant morbidity and mortality. While national attention has been paid to errors in medication dispensing issues, it remains a widespread problem. The best method to enhance patient safety is to develop a multi-faceted strategy for education and prevention. Emphasis should be put on healthcare providers working as a team and communicating as well as encouraging patients to be more informed about their medications. With a culture of safety, dispensing medication errors can be reduced.

• PMID: 28236867
• DOI: 10.1016/j.bjane.2015.09.006 

Medication Errors

Medication errors are the common causes of patient morbidity and mortality. It adds financial burden to the institution as well. Though the impact varies from no harm to serious adverse effects including death, it needs attention on priority basis since medication errors’ are preventable.

In today’s world where people are aware and medical claims are on the hike, it is of utmost priority that we curb this issue. Individual effort to decrease medication error alone might not be successful until a change in the existing protocols and system is incorporated. Often drug errors that occur cannot be reversed. The best way to ‘treat’ drug errors is to prevent them.

Wrong medication (due to syringe swap), overdose (due to misunderstanding or preconception of the dose, pump misuse and dilution error), incorrect administration route, under dosing and omission are common causes of medication error that occur perioperatively.

Drug omission and calculation mistakes occur commonly in ICU. Medication errors can occur perioperatively either during preparation, administration or record keeping. Numerous human and system errors can be blamed for occurrence of medication errors.

The need of the hour is to stop the blame – game, accept mistakes and develop a safe and ‘just’ culture in order to prevent medication errors. The newly devised systems like VEINROM, a fluid delivery system is a novel approach in preventing drug errors due to most commonly used medications in anesthesia. Similar developments along with vigilant doctors, safe workplace culture and organizational support all together can help prevent these errors.