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Description
This phenotype determines the duration (in minutes) a patient recieved an inhalational anesthetic including halogenated gases and nitrous gases.
Limitation
Note these readings do not have to be consecutive or from the same type of inhalational agent.
Data quality is limited to individual site documentation accuracy, completeness, and variable mapping, which is performed by each site, independently.
MPOG, as the coordinating center, reviews data quality at each data upload and monthly via Data Diagnostics and Case Validation tools. This review,
while thorough, may not contain all data elements relevant to this phenotype and thus should be carefully reviewed by the user.
Enumeration
| Value |
Value Code |
Definition |
Logic
This phenotype returns the cumulative total of minutes a patient receives an inhalational anesthetic per case between Anesthesia Start and Anesthsia End. This phenotype will return the number of minutes valid inhalational gas values above artifact threshold were recorded.
| MPOG Concept ID |
Concept Name |
Artifact Threshold (%) |
| 3250 |
Nitrous Insp % |
<= 20 |
| 3255 |
Nitrous Exp % |
<= 20 |
| 3225 |
Flows Nitrous Oxide (L/min) |
<= 0.2 |
| 3260 |
Isoflurane Exp % |
<= 0.3 |
| 3265 |
Isoflurane Insp % |
<= 0.3 |
| 3270 |
Sevoflurane Exp % |
<= 0.4 |
| 3275 |
Sevoflurane Insp % |
<= 0.4 |
| 3280 |
Desflurane Exp % |
<= 1.2 |
| 3285 |
Desflurane Insp % |
<= 1.2 |
| 3290 |
Halothane Exp % |
<= 0.5 |
| 3295 |
Halothane Insp % |
<= 0.5 |
| 3297 |
Enflurane Exp % |
<= 0.5 |
| 3298 |
Enflurane Insp % |
<= 0.5 |
| 3299 |
Miscellaneous Volatile Agent Insp % |
<= 0.3 |
| 3300 |
Miscellaneous Volatile Agent Exp % |
<= 0.3 |