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OPERATOR PREFERENCE OF RETRACTION METHOD DURING ANESTHESIA DELIVERY

Figure 3 . Control side featuring mirror retraction Figure 4 . Device side featuring device retraction prepared exactly as on the control side , including topical application after drying the insertion site with 2x2 gauze . Prior to the injection , the device was placed in the mouth over the area of the insertion site and kept on for five seconds . The needle was inserted in close proximity to one of the two tip prongs , and advanced to the deposition site where anesthetic ( 0.9 ml ) was delivered through an ASA injection ( Fig . 4 ). Verification of insertion depth , amount deposited , and aspiration tests were conducted by both the DCP and the supervising investigator . Upon completion of the delivery of the anesthetic , the needle was removed from the mucosa , and the device remained on for an additional five seconds as instructed by the manufacturer . The DCPs were given a one page survey ( appendix 1 ) and asked to circle their preferred answer . The questions from the survey inquired about the DCP ’ s perception regarding the study . Question 1 asked if the DCP was compliant with watching the training video for the device . Question 2 asked about anxiousness and comfort when delivering the ASA injection on the control side . Question 3 asked about anxiousness and comfort when delivering the ASA injection on the device side . Question 4 asked the DCPs about their preferred retraction method . Question 5 asked the DCP ’ s which retraction method is perceived as easier . Chi-square tests of goodness-of-fit were conducted to investigate whether there was a significant

difference in the proportion of respondents that chose the various categories within one criterion . In a few surveys , the DCPs chose multiple preferences among the given answers making cross statistical studies meaningless . As a result , these respondents were not part of the analyses , leading to some missing data .

3 . Results

62 DCPs participated and there were no reported NSIs . The DCP ’ s were compliant with watching the recommended training video from the manufacturer . Regarding comfort and confidence , about the delivery of the anesthesia on the control side , 11 stated they felt “ uncomfortable and anxious ” while the remaining 51 responded favorably : “ comfortable and confident ” leading to a p-value of less than 0.001 . The p-value confirms that the proportion of participants who felt comfortable and confident was significantly higher than the proportion that felt uncomfortable and anxious ( Table 1 ). When asked about comfort and confidence during the delivery of the anesthesia on the device side , 17 DCPs answered they felt “ uncomfortable and anxious ” while the remaining 45 stated they were “ comfortable and confident ” leading to a p-value of less than 0.001 ( Table 2 ). As in the previous case , this p-value indicates that the proportion of participants who felt comfortable and confident was significantly higher than the proportion that felt uncomfortable and anxious .

Table 2 . During Delivery on Device Side

Comfortable and Confident Uncomfortable and anxious p value 45 17 < 0.001