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Research ArticleOriginal Research

Field Test Results of a New Ambulatory Care Medication Error and Adverse Drug Event Reporting System—MEADERS

John Hickner, Atif Zafar, Grace M. Kuo, Lyle J. Fagnan, Samuel N. Forjuoh, Lyndee M. Knox, John T. Lynch, Brian Kelly Stevens, Wilson D. Pace, Benjamin N. Hamlin, Hilary Scherer, Brenda L. Hudson, Caitlin Carroll Oppenheimer and William M. Tierney
The Annals of Family Medicine November 2010, 8 (6) 517-525; DOI: https://doi.org/10.1370/afm.1169
John Hickner
MD, MSc
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Atif Zafar
MD
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Grace M. Kuo
PharmD, MPH
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Lyle J. Fagnan
MD
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Samuel N. Forjuoh
MD, MPH, DrPH
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Lyndee M. Knox
PhD
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John T. Lynch
MPH
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Brian Kelly Stevens
BS
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Wilson D. Pace
MD
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Benjamin N. Hamlin
MPH
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Hilary Scherer
BA
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Brenda L. Hudson
MS
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Caitlin Carroll Oppenheimer
MPH
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William M. Tierney
MD
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Article Figures & Data

Tables

  • Additional Files
    • View popup
    Table 1.

    Characteristics of the 24 Participating Practices

    Network, Practice No.Physicians No.Midlevel Clinicians No.Support Staff No.OwnershipLocationEMR
    CCPC = Connecticut Center for Primary Care; CenTexNet = Central Texas Primary Care Research Network; CHC = community health center; EMR = electronic medical record; FQHC = Federally Qualified Health Center; LANet = Los Angeles Network; ORPRN = Oregon Rural Practice-based Research Network.
    ORPRN
        15438Hospital, not for profitRuralNo
        24425PhysicianRuralYes
        33416Hospital, not for profitRuralYes
        4409Hospital, publicRuralYes
        53218PhysicianRuralNo
    CCPC
        12112PhysicianSuburbanNo
        26321PhysicianUrbanNo
        32216PhysicianSuburbanNo
        4103PhysicianSuburbanNo
        5218PhysicianSuburbanNo
        65120PhysicianSuburbanNo
        7115PhysicianSuburbanNo
        85220PhysicianUrbanNo
        9116PhysicianSmall townNo
    LANet
        18737FQHCUrbanNo
        26431FQHCSuburbanNo
        35433FQHCUrbanNo
        41113FQHCUrbanNo
        5124CHCUrbanNo
    CenTexNet
        15011Hospital, not for profitRuralYes
        220048Hospital, not for profitUrbanYes
        38018Hospital, not for profitUrbanYes
        44010Hospital, not for profitRuralYes
        510221Hospital, not for profitUrbanYes
    • View popup
    Table 2.

    The 220 Participants by Job Title

    Job TitleCCPC No. (%)ORPRN No. (%)CenTexNet No. (%)LANeta No. (%)Total No. (%)
    CCPC = Connecticut Center for Primary Care; CenTexNet = Central Texas Primary Care Research Network; LANet = Los Angeles Network; ORPRN = Oregon Rural Practice-based Research Network.
    a In addition, 2 pharmacists and 4 pharmacy technicians from LANet participated.
    Physician25204718110 (50)
    Nurse1150016 (7)
    Medical assistant0240226 (12)
    Office clerk07007 (3)
    Office manager1050015 (7)
    Physician assistant/nurse practitioner111421346 (21)
    Total47 (21)85 (39)49 (22)39 (18)220 (100)
    • View popup
    Table 3.

    Types of Medications Involved in 507 Medication Event Reports

    Type of MedicationPercentage of Medication Event Reports
    Note: One percent or less: allergy; dermatology; diagnostic agents; ear, nose, and throat (not allergy or infection); eye; poisoning/drug dependence; genito-urinary; obstetrics-gynecology; not known.
    Cardiovascular30
    Central nervous system17
    Endocrine12
    Infectious diseases11
    Pain/pyrexia8
    Hematology7
    Gastrointestinal3
    Respiratory3
    Immunization2
    Musculoskeletal2
    Nutrition/vitamins/minerals2
    • View popup
    Table 4.

    Types and Frequencies of 409 Reported Medication Errors

    Type of ErrorPercentage of Errors
    OTC=over the counter.
    Note: Some reports included more than 1 error.
    Ordering medications28
        Dose prescribed is wrong13
        Drug prescribed is wrong5
        Failure to order needed medication4
        Wrong patient name on prescription4
        Contraindicated medication prescribed2
        Prescription telephoned to wrong pharmacy<1
    Implementing orders24
        Drug label is incorrect8
        Dose dispensed is incorrect7
        Drug dispensed is incorrect5
        Medication is not dispensed3
        Failure to continue long-term medication1
    Receiving medications20
        Patient failed to take medication correctly18
        Patient continued medication after stop order1.5
        Different clinicians mixed up medications<1
        Sample or OTC medication incorrectly supplied<1
    Documenting24
        Medical record not up to date23
        Home medication list not up to date1
    Monitoring4
    Total100
    • View popup
    Table 5.

    Factors Contributing to 203 Medication Errors and Adverse Drug Events

    Contributing FactorPercentage of Errors and Events
    Notes: For 304 reports, the reporters did not select any contributing factors. Less than 2%: computer error, fax problem, sound-alike drug names, abbreviation misunderstood.
    Written communication problem30
    Knowledge deficit22
    Transcription error14
    Office procedure not followed13
    Verbal communication problem11
    Verbal order incorrect7
    Handwriting illegible7
    Look-alike drug names4
    Calculation error4
    • View popup
    Table 6.

    Patient Harms in 507 Medication Errors and Adverse Drug Events

    Type of HarmErrors and Events No. (%)
    No harm351 (69.2)
    Physical only43 (8.5)
    Emotional only7 (1.4)
    Physical and emotional7 (1.4)
    Unknown67 (13.2)
    Missing data32 (6.3)
    • View popup
    Table 7.

    Feedback From 164 Participants

    CategoryPercentage of Participants
    MEADERS = Medication Error and Adverse Drug Event Reporting System.
    Note: A total of 164 of 220 participants provided feedback, for a survey response rate of 75%.
    Reported at least 1 event57
    Understood what should be reported
        Understood82
        Somewhat understood16
    Accessing MEADERS
        Little or no difficulty96
        Great difficulty3
        Could not access system1
    Using MEADERS (agreed or strongly agreed)
        “It is easy to use.”90
    Effect of reporting on the user (agreed or strongly agreed)
        “It allows me to be candid when reporting errors.”79
        “It encourages me to learn from my mistakes and the mistakes of others.”64
        “It increased my own awareness of how errors affect patient care.”61
        “It has helped me to improve patient care at my practice.”41
        “It has led to changes in how we practice medicine.”25
        “It has increased the fear of repercussion in the practice.”36
        “It takes too much time to submit a report.”26
    The study had affected their work personally26
    MEADERS would be used more often if:
        “There were a greater awareness of the system’s benefits.”50
        “I had more time or opportunity to access the system.”50
    • View popup
    Table 8.

    Samples of Comments About MEADERS

    MEADERS = Medication Error and Adverse Drug Event Reporting System.
    Positive comments
        “I am more cognizant of potential errors and adverse events and more vigilant about not repeating them.”
        “I am more aware of medication errors and the importance of careful med review/prescribing practices.”
        “I am more aware of all the different types of medication errors that go on in day to day practice.”
        “It made me more aware of the number of errors and made me more careful when doing my job.”
        “I’m more cautious in giving shots and med samples.”
    Negative comments
        “I do not have a computer at my work station. To write down the events and input them later was time consuming and cumbersome.”
        “It was difficult to determine which category to report issues in. It was also difficult to remember to do it at the end of the day.”
        “I do not think the average primary care doctor has time to do this!”
        “Only a small amount of errors got logged due to the time required.”

Additional Files

  • Tables
  • Supplemental Table & Figure

    Supplemental Table 1. Data Fields in the MEADERS Event Reporting Form; Supplemental Figure 1. Number of event reports submitted per week per network.

    Files in this Data Supplement:

    • Supplemental data: Table & Figure - PDF file, 2 pages, 299 KB
  • The Article in Brief

    Field Test Results of a New Ambulatory Care Medication Error and Adverse Drug Event Reporting System�MEADERS

    John Hickner , and colleagues

    Background Event reporting, a safety improvement method in which workers report problems that may be solved by changing systems or policies, has been an effective tool in hospitals, but hasn't been tested in the primary care setting. This study evaluated an easy-to-use, Web-based office system for reporting medication errors (errors in prescribing, dispensing or using medications) and adverse drug events (injuries due to medication use).

    What This Study Found A Web-based system for reporting medication errors and adverse drug events appears to be feasible in the medical office setting. There was little difficulty and minimal time demand on the part of study participants. During the course of the 10-week field test, participants identified errors nearly equally distributed throughout the medication management spectrum in four major categories: ordering, dispensing, receiving, and documenting. At least 43 percent of participants reported one or more medication event during the study period, a high participation rate for event reporting. The most frequent contributors to medication errors and adverse drug events were communication problems (41 percent) and knowledge deficits (22 percent). Many participants indicated the reporting process positively affected the safety culture of their practices by increasing awareness of medication errors and adverse drug events and prompting changes in office routines for managing medications; however, 36 percent of participants also felt the event reporting increased the fear of repercussion in the practice. Participants identified time pressure as the main barrier to reporting.

    Implications

    • It is feasible to deploy a Web-based medication event reporting system that clinicians and staff can understand and use in busy primary care practices.
    • A culture of safety has not yet taken hold in all primary care practices; some study participants feared possible reprisal from reporting errors. This must change before event reporting can be a catalyst for improvement in ambulatory care.
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The Annals of Family Medicine: 8 (6)
The Annals of Family Medicine: 8 (6)
Vol. 8, Issue 6
1 Nov 2010
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Field Test Results of a New Ambulatory Care Medication Error and Adverse Drug Event Reporting System—MEADERS
John Hickner, Atif Zafar, Grace M. Kuo, Lyle J. Fagnan, Samuel N. Forjuoh, Lyndee M. Knox, John T. Lynch, Brian Kelly Stevens, Wilson D. Pace, Benjamin N. Hamlin, Hilary Scherer, Brenda L. Hudson, Caitlin Carroll Oppenheimer, William M. Tierney
The Annals of Family Medicine Nov 2010, 8 (6) 517-525; DOI: 10.1370/afm.1169

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Field Test Results of a New Ambulatory Care Medication Error and Adverse Drug Event Reporting System—MEADERS
John Hickner, Atif Zafar, Grace M. Kuo, Lyle J. Fagnan, Samuel N. Forjuoh, Lyndee M. Knox, John T. Lynch, Brian Kelly Stevens, Wilson D. Pace, Benjamin N. Hamlin, Hilary Scherer, Brenda L. Hudson, Caitlin Carroll Oppenheimer, William M. Tierney
The Annals of Family Medicine Nov 2010, 8 (6) 517-525; DOI: 10.1370/afm.1169
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