Publications by authors named "Ewen W Chen"

Background And Objectives: The assessment of technical skills in ultrasound-guided regional anesthesia is currently subjective and relies largely on observations of the trainer. The objective of this study was to develop a checklist to assess training progress and to detect training gaps in ultrasound-guided regional anesthesia using the Delphi method.

Methods: A 30-item checklist was developed and then e-mailed to 18 reviewers for feedback.

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Despite the increasing popularity of ultrasound-guided regional anesthesia (UGRA), structured training programs during residency are often lacking. The lack of a regional block area, lack of expertise, and lack of structured training programs have limited hands-on experience in residency programs. However, these constraints may be circumvented through the use of simulation.

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There is a recent shift from traditional nerve stimulation (NS) to ultrasound-guided (UG) techniques in regional anesthesia (RA). This shift prompted educators to readdress the best way to teach these two modalities. Development of a more structured curriculum requires an understanding of student preferences and perceptions.

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Background: Femoral nerve block is widely used for regional anesthesia and analgesia in many lower limb operations. Peripheral nerve stimulation of the femoral nerve may elicit 1 of 2 responses: contraction of the sartorius muscle through stimulation of its muscular branch or contraction of the quadriceps muscle through stimulation of its respective muscular branches. Historically, a quadriceps response has been preferred.

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