Percentage of patients, ≥18 years age, who undergo open cardiac surgical procedures using cardiopulmonary bypass under general anesthesia of 120 minutes case duration (anesthesia start to anesthesia end) or longer for whom the temperature did not rise above 37.5 degrees Celsius (99.5 degrees Fahrenheit) while on bypass for over 5 consecutive minutes.
Consistent with the 2020 Updates from the Adult Cardiac Anesthesiology Section of STS,1 guidelines for perioperative care in cardiac surgery: enhanced recovery after surgery,2,3 STS practice guidelines for temperature management while on bypass,4 and the Anesthesia Quality Improvement measure, AQI65, for cerebral hyperthermia avoidance for cardiac surgery,5 this proposed measure defines hyperthermia as ≥37C while on bypass. Hyperthermia while on bypass and during rewarming has been associated with respiratory failure, acute kidney injury, and mortality after cardiac surgery.6,7
Measure Start:
Measure End:
All patients, 18 years of age or older, who undergo open cardiac surgical procedures (as determined by Procedure Type: Cardiac phenotype) under general anesthesia of 120 minutes duration or longer of cardiopulmonary bypass. See other measure build details section for bypass duration calculation.
Less than 5 consecutive minutes of non-artifact body temperature measure between cardiopulmonary bypass start and end, prioritizing core temperature measurements, greater than or equal to 37.5 degrees Celsius.
Algorithm for determining Measure Attribution Duration:
Attribution Start Time:
Attribution End Time:
Not applicable.
Any provider signed in for ≥40 minutes from bypass start until bypass end (or the provider signed in for the greatest number of minutes during this period, if this period is <40 minutes) per staff role. If bypass was not used, the case will be excluded. See ‘Other Measure Build Details’ section of this specification to view the algorithm used for determining measure attribution window duration.
In the event that two or more providers in the same class are signed in for the same duration, all providers signed in for the longest duration will be attributed.
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