Calc Function

    • Calcs that help predict probability of a diseaseDiagnosis
    • Subcategory of 'Diagnosis' designed to be very sensitiveRule Out
    • Disease is diagnosed: prognosticate to guide treatmentPrognosis
    • Numerical inputs and outputsFormula
    • Med treatment and moreTreatment
    • Suggested protocolsAlgorithm

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    Patent Pending

    Apfel Score for Postoperative Nausea and Vomiting

    Predicts risk of postoperative nausea and vomiting (PONV).
    Favorite
    When to Use

    Use in patients undergoing general anesthesia.

    Male
    0
    Female
    +1
    Smoker
    0
    Nonsmoker
    +1
    No
    0
    Yes
    +1
    No
    0
    Yes
    +1

    Result:

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    Next Steps
    Evidence
    Creator Insights

    Advice

    Consider prophylactic anti-emetics in patients with higher scores.

    Formula

    Addition of the selected points:

    Variable

    Points

    Gender

    Male

    0

    Female

    1

    Smoking status

    Smoker

    0

    Nonsmoker

    1

    History of motion sickness or PONV

    No

    0

    Yes

    1

    Use of postoperative opioids

    No

    0

    Yes

    1


    Facts & Figures

    Interpretation:

    Apfel Score

    24-hour risk of PONV

    0

    10%

    1

    21%

    2

    39%

    3

    61%

    4

    79%


    Dr. Christian C. Apfel

    About the Creator

    Christian C. Apfel, MD, PhD, MBA, is the founder and CEO of SageMedic, a biotechnology company focusing on cancer therapy, and chair of the Life Science Committee at the Keiretsu Angel Investment Forum. Previously, he was a clinician and professor in the anesthesiology department at UCSF and led the Perioperative Clinical Research Core. Dr. Apfel’s primary research is focused on improving patient recovery and perioperative outcomes.

    To view Dr. Christian C. Apfel's publications, visit PubMed

    About the Creator
    Dr. Christian C. Apfel