手术时间对外科医生肌肉疲劳的影响。
The effect of operating time on surgeons' muscular fatigue.
作者信息
Slack P S, Coulson C J, Ma X, Webster K, Proops D W
机构信息
Biomedical Engineering Research Group, Aston University, Birmingham, UK.
出版信息
Ann R Coll Surg Engl. 2008 Nov;90(8):651-7. doi: 10.1308/003588408X321710.
INTRODUCTION
A study was completed to determine if operating has an effect on a surgeon's muscular fatigue.
SUBJECTS AND METHODS
Six head and neck surgery consultants, two ENT registrars, 20 normal controls from two tertiary referral centres in the West Midlands participated in the study. Electromyography (EMG) measurements were taken throughout a day of operating and fatigue indices were compared to controls performing desk work.
RESULTS
The percentage changes in mean frequency of muscular contractions were examined; there was no significant difference in fatigue levels between consultants and registrars. Operating led to an increase in fatigue in all subjects, compared to no increase in controls performing desk work. It was also found that the brachioradialis muscle is used more than the mid-deltoid muscle and, hence, fatigues at a faster rate.
CONCLUSIONS
Surgeons should be aware that their muscular fatigue levels will increase as an operation progresses; therefore, if possible, more complex parts of the operation should be performed as early as possible, or, in the case of a very long operation, a change in surgeon may be necessary.
引言
完成了一项研究以确定手术是否会对外科医生的肌肉疲劳产生影响。
研究对象与方法
西米德兰兹郡两个三级转诊中心的六位头颈外科会诊医生、两位耳鼻喉科住院医生以及20名正常对照者参与了该研究。在一整天的手术过程中进行肌电图（EMG）测量，并将疲劳指标与从事案头工作的对照者进行比较。
结果
检查了肌肉收缩平均频率的百分比变化；会诊医生和住院医生之间的疲劳水平没有显著差异。与从事案头工作的对照者没有疲劳增加相比，手术导致所有受试者的疲劳增加。还发现桡侧腕短伸肌比三角肌中部使用更多，因此疲劳速度更快。
结论
外科医生应意识到随着手术的进行，他们的肌肉疲劳水平会增加；因此，如果可能的话，手术中更复杂的部分应尽早进行，或者在手术时间很长的情况下，可能需要更换外科医生。
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