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KMID : 0356920200730040319
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Korean Journal of Anesthesiology
2020 Volume.73 No. 4 p.319 ~ p.325
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Lack of recall after sedation for cataract surgery and its effect on the validity of measuring patient satisfaction
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Chadha Ryan M.
Dexter Franklin
Brull Sorin J.
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Abstract
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Background: We evaluated the validity of assessing patient satisfaction with the sedation regimen among patients being discharged 45 min after receiving midazolam. If most patients do not have recall, then the sedation cannot be considered complete at the time of evaluation.
Methods: In this prospective cohort study, 20 patients underwent cataract surgery with nurse-administered midazolam and fentanyl. The 11-item Iowa Satisfaction with Anesthesia Scale was administered ? 30 min after sedation in the recovery room. Recalled items were evaluated the next morning.
Results: Eleven patients recalled 0 themes, 4 recalled 1, 4 recalled 2, and 1 recalled 3 themes. Thus, 15/20 patients (75%) recalled 0 or 1 of the 11 themes (P = 0.021 versus half the patients). The 95% one-sided lower confidence limit for 0, 1, or 2 themes was 80% of patients (P < 0.001 versus half). Patients who received less midazolam recalled more themes (Kendall’s τb = 0.43, P = 0.039).
Conclusions: Evaluating patient satisfaction with sedation shortly after admission to the post-anesthesia care unit is invalid because of a lack of recall; the sedation/amnesia is ongoing. Patient comfort may be assessed, but comfort is not synonymous with satisfaction; ‘satisfaction’ implies presence of recall. Because we studied sedation with low doses of midazolam and fentanyl, the same conclusion reliably would apply to larger doses of anxiolytics administered intraoperatively. The results match previous findings that when patients receive preoperative midazolam prior to meeting the anesthesiologist, even if the patient fully answers questions, they may have negligible recall of having met the anesthesiologist.
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KEYWORD
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Cataract surgery, Iowa Satisfaction with Anesthesia Scale, Midazolam, Patient satisfaction
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