Department of Anesthesia, VA Palo Alto Health Care System, Palo Alto, California 94304, USA.
J Ultrasound Med. 2012 Aug;31(8):1277-80. doi: 10.7863/jum.2012.31.8.1277.
A head-mounted display provides continuous real-time imaging within the practitioner's visual field. We evaluated the feasibility of using head-mounted display technology to improve ergonomics in ultrasound-guided regional anesthesia in a simulated environment. Two anesthesiologists performed an equal number of ultrasound-guided popliteal-sciatic nerve blocks using the head-mounted display on a porcine hindquarter, and an independent observer assessed each practitioner's ergonomics (eg, head turning, arching, eye movements, and needle manipulation) and the overall block quality based on the injectate spread around the target nerve for each procedure. Both practitioners performed their procedures without directly viewing the ultrasound monitor, and neither practitioner showed poor ergonomic behavior. Head-mounted display technology may offer potential advantages during ultrasound-guided regional anesthesia.
头戴式显示器可在医师的视野内提供连续实时成像。我们评估了在模拟环境中使用头戴式显示器技术改善超声引导下区域麻醉中人体工程学的可行性。两名麻醉师使用头戴式显示器在猪后肢上进行了相同数量的超声引导下腘窝坐骨神经阻滞，一名独立观察者根据每次操作中注射物在目标神经周围的扩散情况评估了每位医师的人体工程学（例如转头、抬头、眼球运动和针的操作）和整体阻滞质量。两名医师均在不直接观察超声监视器的情况下完成了操作，且两名医师均未表现出不良的人体工程学行为。头戴式显示器技术在超声引导下区域麻醉中可能具有潜在优势。
