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자가조절 진정을 이용한 기관지 내시경술에서 Midazolam 전투여가 환자 만족도에 미치는 영향
권원경 ( Won Kyoung Kwon ),최은수 ( Eun Su Choi ),김지영 ( Ji Young Kim ),박상리 ( Sang Ri Park ),나효석 ( Hyo Seok Na ),박상헌 ( Sang Hyun Park ),박희평 ( Hee Pyoung Park ),전영태 ( Young Tae Jeon ),황정원 ( Jung Won Hwang ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.56 No.1
Background: Patient-controlled sedation (PCS) with propofol is a safe and effective method of attenuating discomfort during fiberoptic bronchoscopy. The purpose was to evaluate the usefulness of midazolam in addition to PCS for fiberoptic bronchoscopy. Methods: We randomly assigned 155 patients undergoing diagnostic bronchoscopy to two groups. Group M (n=79) received 0.03 mg/kg of midazolam for premedication while group P (n=76) received a loading dose (0.05 ml/kg) of PCS solution composed of 200 mg (20 ml) of propofol and 1 mg (2 ml) of alfentanil. Both groups received the PCS solution 0.2 ml/kg/hr with a bolus of 1 ml and a lockout time of 1 min. Vital signs, pulmonologist satisfaction, patient satisfaction and amnesia were evaluated. Results: After the insertion of the bronchoscope, there was a slight decrease of SpO2 and an increase of blood pressure and heart rate in both groups with no significant differences between the two groups. The group P required more bolus injections (1.6±1.7 in the group M vs 2.5±2.2 in group P; P<0.05). There was no difference in the satisfaction of pulmonologists, but the satisfaction of patients was higher in the group M (P<0.05). More patients in the group P (93%) remembered the procedure than in the group M (70%) (P<0.05). Conclusions: PCS is an effective method for sedating patients undergoing fiberoptic bronchoscopy and midazolam provides more patient satisfaction and amnesia. (Korean J Anesthesiol 2009;56:1~5)