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24/09/2016

Crico: Mais que fait-on ?

A hierarchical task analysis of cricothyroidotomy procedure for a virtual airway skills trainer simulator

Demirel D. et Al. Am J Surg. 2016 Sep;212(3):475-84

 

BACKGROUND:

Despite the critical importance of cricothyroidotomy (CCT) for patient in extremis, clinical experience with CCT is infrequent, and current training tools are inadequate. The long-term goal is to develop a virtual airway skills trainer that requires a thorough task analysis to determine the critical procedural steps, learning metrics, and parameters for assessment.

METHODS:

Hierarchical task analysis is performed to describe major tasks and subtasks for CCT. A rubric for performance scoring for each taskwas derived, and possible operative errors were identified.

RESULTS:

Time series analyses for 7 CCT videos were performed with 3 different observers. According to Pearson's correlation tests, 3 of the 7 major tasks had a strong correlation between their task times and performance scores.

 

HTA crico.jpg

CONCLUSIONS:

The task analysis forms the core of a proposed virtual CCT simulator, and highlights links between performance time and accuracy when teaching individual surgical steps of the procedure.

| Tags : airway

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