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Derivation of a Performance Checklist for Ultrasound-Guided Arthrocentesis Using the Modified Delphi Method
Derek Kunz1, Manoj Pariyadath2, Mary Wittler2
1Georgetown University School of Medicine, Washington, DC, USA.
Objectives:
Arthrocentesis is an important skill for physicians in multiple specialties. Recent studies indicate a superior safety and performance profile for this procedure using ultrasound guidance for needle placement, and improving quality of care requires a valid measurement of competency using this modality.
Methods:
We endeavored to create a validated tool to assess the performance of this procedure using the modified Delphi technique and experts in multiple disciplines across the United States.
Results:
We derived a 22-item checklist designed to assess competency for the completion of ultrasound-guided arthrocentesis, which demonstrated a Cronbach's alpha of 0.89, indicating an excellent degree of internal consistency.
Conclusions:
Although we were able to demonstrate content validity for this tool, further validity evidence should be acquired after the tool is used and studied in clinical and simulated contexts.
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