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KMID : 0356920150680050442
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Korean Journal of Anesthesiology
2015 Volume.68 No. 5 p.442 ~ p.448
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The effect of dexmedetomidine sedation on patient and surgeon satisfaction during retinal surgery under sub-tenon’s anesthesia: a randomized controlled trial
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:Yoo Jae-Hwa
:Kim Soon-Im/:Cho A-Na/:Lee Sung-Jin/:Sun Hae-Jung/:Cho Ho-Bum/:Lee Dong-Ryun
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Abstract
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Background : The purpose of this study was to evaluate the effect of intraoperative dexmedetomidine sedation on patient’s and surgeon’s satisfaction during retinal surgery under sub-tenon’s anesthesia.
Methods : Forty-four patients scheduled for elective retinal surgery under sub-tenon’s anesthesia were enrolled in this randomized controlled trial. The patients were divided into Dexmedetomidine (n = 22) and Control (n = 22) groups. Intravenous dexmedetomidine or 0.9% saline via infusion pump were administered continuously to the dexmedetomidine or control group, respectively. Ramsay sedation scale with a target level of 3-4 was used to assess adequacy of sedation. Perioperative pain, hemodynamic and respiratory data were collected, while satisfaction from patients and surgeon were assessed post-surgery using a 5-point satisfaction scale.
Results : Patient and surgeon satisfaction was higher in the dexmedetomidine group (P < 0.001, P = 0.002, respectively). The pain associated with sub-tenon’s anesthesia and peripheral vitrectomy was lesser in the dexmedetomidine group than in the control group (P = 0.020). There was significant reduction of heart rate in the dexmedetomidine group (P = 0.001), but only one patient needed treatment with atropine. There was no respiratory effect on both groups.
Conclusions : Dexmedetomidine sedation during retinal surgery improved satisfaction from both patient and surgeon without respiratory complication. It is a safe and preferable choice of sedation for retinal surgery.
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KEYWORD
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Conscious sedation, Dexmedetomidine, Patient satisfaction, Vitreoretinal surgery
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