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자료유형
학술저널
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저널정보
대한마취통증의학회(구 대한마취과학회) Anesthesia and Pain Medicine Anesthesia and Pain Medicine Vol.10 No.1
발행연도
2015.1
수록면
21 - 26 (6page)

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Background: An electrical patient-controlled analgesia (PCA) pumpenabled us to collect infusion history of opioid analgesic and otherefficacy parameters of PCA, including delivery-to-attempt (D/A) ratio. This study evaluated the effectiveness of PCA in a large populationof surgical patients using numerical rating scale (NRS) for pain andD/A ratio. Methods: A total of 6,847 patients were enrolled in this study. Allpatients received intravenous bolus of fentanyl (0.2 μg /kg) one hourbefore the end of the surgery. Basal infusion rate, demand bolus,and lockout time of the PCA pump was set as 1 ml/h, 1 ml, and15 minutes, respectively. The concentration of fentanyl in theanalgesic solution was 15 μg/ml. Results: NRS scores for pain and D/A ratios for the first 6 hoursafter operations were as follows (median, 25–75%): open colorectalsurgery (NRS: 6.5, 5.0–8.0; D/A: 62.5, 46.2–77.8%), laparoscopiccolorectal surgery (NRS: 6.0, 4.5–7.0; D/A: 69.2, 50.0–81.9%), openhepato-biliary-pancreas surgery (NRS: 6.0, 4.5–7.0; D/A: 59.2, 38.7–75.0%), open stomach surgery (NRS: 5.0, 4.0–6.7; D/A: 58.1, 41.2–75.0%), open abdominal vascular surgery (NRS: 5.0, 3.5–6.5; D/A:58.3, 40.0–81.3%), laparoscopic stomach surgery (NRS: 5.0, 4.0–6.0; D/A: 63.6, 45.5–80.0%), laparoscopic hepato-biliary-pancreassurgery (NRS: 5.0, 4.0–6.0; D/A: 66.7, 50.0–80.8%), vascular bypasssurgery (NRS: 4.0, 3.0–6.0; D/A: 64.5, 42.7–84.0%), anal surgery(NRS: 4.0, 3.0–5.8; D/A: 71.4, 60.0–100%), and breast surgery(NRS: 3.0, 3.0–4.0; D/A: 86.6, 67.2–100%). Conclusions: Mean D/A ratios for the first 6 hours after alloperations except anal and breast surgeries were below 70%,suggesting that a higher amount of fentanyl should be administeredduring this period.

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