简报：局部麻醉针可将超声凝胶导入组织中。
Brief reports: regional anesthesia needles can introduce ultrasound gel into tissues.
机构信息
Department of Anesthesiology and Perioperative Medicine, Level 4, Ned Hanlon Building, Royal Brisbane and Women's Hospital, Herston Qld 4029, Australia.
出版信息
Anesth Analg. 2010 Sep;111(3):811-2. doi: 10.1213/ANE.0b013e3181e4527a. Epub 2010 May 27.
BACKGROUND
Anesthesiologists may insert needles through ultrasound gel when performing ultrasound-guided regional anesthesia. In this study, it was determined whether needles carry gel into tissues.
METHODS
Ultrasound gel dyed blue was applied to pork rashers. Tuohy and short-bevel needles were passed through the gel and pork. The needles were then assessed for the presence of ultrasound gel.
RESULTS
All needles, including those with stylets, carried gel and tissue within the lumen.
CONCLUSIONS
Ultrasound gel may be injected around (and perhaps in) nerves during regional anesthesia procedures. Studies are needed to determine the implications of this practice.
背景
麻醉师在进行超声引导下区域麻醉时，可能会将针穿过超声凝胶。在这项研究中，确定了针是否会将凝胶带入组织中。
方法
将染成蓝色的超声凝胶涂在猪里脊肉上。将 Tuohy 和短斜面针穿过凝胶和猪肉。然后检查针是否有超声凝胶。
结果
所有的针，包括带有插管的针，都在管腔中携带了凝胶和组织。
结论
在区域麻醉过程中，超声凝胶可能会被注射到神经周围（也许在神经内）。需要进行研究以确定这种做法的影响。
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