Lee Edward W, Tucker Nancy A
Department of Ophthalmology and Visual Science, University of Chicago, Chicago, Illinois, USA.
Ophthalmic Plast Reconstr Surg. 2007 Jan-Feb;23(1):37-8. doi: 10.1097/01.iop.0000249428.66802.68.
To evaluate the pain associated with local infiltration of the eyelid, using a microprocessor-controlled delivery system (CompuMed, using the Wand), as compared with traditional manual syringe infiltration technique.
A randomized clinical trial of 30 patients undergoing minor eyelid surgical procedures was performed. Fifteen patients were injected by use of the CompuMed system and 15 patients were injected by the traditional manual syringe technique. The severity of pain was recorded from each patient by using a visual analog scale (0 to 10). The duration of pain experienced by the patient was also recorded.
The mean pain level reported was 1.5 in the Wand group and 3.2 in the syringe group (p < 0.01). The mean duration of pain experienced was 1.5 seconds in the Wand group and 34 seconds in the syringe group (p < 0.01).
The Wand was effective at significantly reducing the pain associated with local anesthetic infiltration in minor eyelid surgical procedures. Patients appear to feel pain from the initial needle stick but not during the actual injection.
与传统手动注射器浸润技术相比，使用微处理器控制给药系统（CompuMed，使用Wand）评估与眼睑局部浸润相关的疼痛。
对30例接受小型眼睑外科手术的患者进行了一项随机临床试验。15例患者使用CompuMed系统进行注射，15例患者采用传统手动注射器技术进行注射。通过视觉模拟量表（0至10）记录每位患者的疼痛严重程度。还记录了患者经历疼痛的持续时间。
Wand组报告的平均疼痛水平为1.5，注射器组为3.2（p < 0.01）。Wand组经历疼痛的平均持续时间为1.5秒，注射器组为34秒（p < 0.01）。
在小型眼睑外科手术中，Wand能有效显著减轻与局部麻醉浸润相关的疼痛。患者似乎在最初针刺时感到疼痛，但在实际注射过程中不会。
