基于熟练度的虚拟现实训练显著降低了住院医师在最初10例腹腔镜胆囊切除术过程中的错误率。
Proficiency-based virtual reality training significantly reduces the error rate for residents during their first 10 laparoscopic cholecystectomies.
作者信息
Ahlberg Gunnar, Enochsson Lars, Gallagher Anthony G, Hedman Leif, Hogman Christian, McClusky David A, Ramel Stig, Smith C Daniel, Arvidsson Dag
机构信息
Department of Surgery, Karolinska University Hospital, SE-171 76, Sweden.
出版信息
Am J Surg. 2007 Jun;193(6):797-804. doi: 10.1016/j.amjsurg.2006.06.050.
BACKGROUND
Virtual reality (VR) training has been shown previously to improve intraoperative performance during part of a laparoscopic cholecystectomy. The aim of this study was to assess the effect of proficiency-based VR training on the outcome of the first 10 entire cholecystectomies performed by novices.
METHODS
Thirteen laparoscopically inexperienced residents were randomized to either (1) VR training until a predefined expert level of performance was reached, or (2) the control group. Videotapes of each resident's first 10 procedures were reviewed independently in a blinded fashion and scored for predefined errors.
RESULTS
The VR-trained group consistently made significantly fewer errors (P = .0037). On the other hand, residents in the control group made, on average, 3 times as many errors and used 58% longer surgical time.
CONCLUSIONS
The results of this study show that training on the VR simulator to a level of proficiency significantly improves intraoperative performance during a resident's first 10 laparoscopic cholecystectomies.
背景
先前的研究表明，虚拟现实（VR）训练可改善腹腔镜胆囊切除术部分操作过程中的术中表现。本研究旨在评估基于熟练程度的VR训练对新手进行的前10例完整胆囊切除术结果的影响。
方法
13名缺乏腹腔镜经验的住院医师被随机分为两组：（1）进行VR训练，直至达到预先定义的专家表现水平；（2）对照组。以盲法独立回顾每位住院医师前10例手术的录像带，并对预先定义的错误进行评分。
结果
VR训练组的错误明显更少（P = .0037）。另一方面，对照组的住院医师平均错误数量是VR训练组的3倍，手术时间长58%。
结论
本研究结果表明，在VR模拟器上训练至熟练水平可显著改善住院医师前10例腹腔镜胆囊切除术的术中表现。
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