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

    Disease

    Select...

    Specialty

    Select...

    Chief Complaint

    Select...

    Organ System

    Select...

    Patent Pending

    ARISCAT Score for Postoperative Pulmonary Complications

    Predicts risk of pulmonary complications after surgery, including respiratory failure.
    Favorite
    When to Use

    Patients undergoing surgery under general, neuraxial, or regional anesthesia.

    ≤50
    0
    51-80
    +3
    >80
    +16
    ≥96%
    0
    91-95%
    +8
    ≤90%
    +24
    No
    0
    Yes
    +17
    No
    0
    Yes
    +11
    Peripheral
    0
    Upper abdominal
    +15
    Intrathoracic
    +24
    <2 hrs
    0
    2-3 hrs
    +16
    >3 hrs
    +23
    No
    0
    Yes
    +8

    Result:

    Please fill out required fields.

    Next Steps
    Evidence
    Creator Insights

    Advice

    May guide decision-making to reduce risk of postoperative pulmonary complications and encourage preventative strategies such as considering non-surgical procedures, delaying the surgery, shortening the time for surgery, or using tissue-sparing approaches. 

    Formula

    Addition of the selected points:

    Variable

    Points

    Age, years

    ≤50

    0

    51-80

    3

    >80

    16

    Preoperative SpO2

    ≥96%

    0

    91-95%

    8

    ≤90%

    24

    Respiratory infection in the last month*

    No

    0

    Yes

    17

    Preoperative anemia (Hgb ≤10 g/dL)

    No

    0

    Yes

    11

    Surgical incision

    Peripheral

    0

    Upper abdominal

    15

    Intrathoracic

    24

    Duration of surgery

    <2 hrs

    0

    2-3 hrs

    16

    >3 hrs

    23

    Emergency procedure

    No

    0

    Yes

    8

    *Either upper or lower (i.e., URI, bronchitis, pneumonia), with fever and antibiotic treatment

    Facts & Figures

    Interpretation:

    ARISCAT Score

    Risk group

    Risk of in-hospital postoperative pulmonary complications*

    <26

    Low

    1.6%

    26–44

    Intermediate

    13.3%

    ≥45

    High

    42.1%

    *Complications were defined as a composite including respiratory failure, respiratory infection, pleural effusion, atelectasis on chest x-ray, pneumothorax, bronchospasm treated with bronchodilators, and aspiration pneumonitis.

    Dr. Jaume Canet

    About the Creator

    Jaume Canet, MD, PhD, is chair of the anesthesiology department at Hospital Universitari Germans Trias i Pujol in Barcelona, Spain. He is also chief investigator of the European Society of Anaesthesiology Clinical Trial Network. Dr. Canet's primary research involves postoperative risk of surgical procedures, intraoperative care, and pulmonary complications.

    To view Dr. Jaume Canet's publications, visit PubMed