ENT Department, Queen Elizabeth Hospital, Edgbaston, Birmingham, B15 2TH, UK.
Microsurgery. 2010 Oct;30(7):565-8. doi: 10.1002/micr.20776.
Operative tremor can greatly influence the outcome of certain, precise, microsurgical operations. Reducing a surgeons tremor may not only improve the operative results but decrease the operative time. Previous studies have only measured uni or bi directional tremor and therefore have been unable to calculate both the overall tremor amplitude and the tremor reduction by resting the wrists.
We measured the tremor of 21 neurologically normal volunteers while performing a micromanipulation task, with and without wrist support. Measurements were acquired in three dimensions using three accelerometers attached to the hand, allowing an overall tremor amplitude to be calculated.
Resting the wrist on a gelled surface decreases an individuals tremor by a factor of 2.67 (P = 0).
Supporting the wrists significantly decreases the amplitude of the tremor. Surgeons should consider using wrist supports when performing parts of operations which necessitate a high degree of accuracy.
手术震颤会极大地影响某些精确的显微手术的结果。减少外科医生的震颤不仅可以改善手术效果，还可以缩短手术时间。以前的研究仅测量单向或双向震颤，因此无法计算手腕休息时的整体震颤幅度和震颤减少量。
我们在 21 名神经正常的志愿者中测量了震颤，这些志愿者在进行微操作任务时，手腕有和没有支撑。使用附着在手的三个加速度计在三个维度上进行测量，从而可以计算出总的震颤幅度。
将手腕放在凝胶表面上休息会使个体的震颤减少 2.67 倍（P = 0）。
支撑手腕可以显著降低震颤幅度。当进行需要高度精确性的手术部分时，外科医生应考虑使用手腕支撑。
