Sabapathy S R, Firrell J C, Kleinert J M
Christine M. Kleinert Institute for Hand and Micro Surgery, Louisville, Ky 40202.
J Hand Surg Am. 1993 Jul;18(4):634-8. doi: 10.1016/0363-5023(93)90307-o.
A noninvasive strain-gauge method of measuring blood flow in the digit was used to assess the influence of the sympathetic system in the digit. The sympathetic system was stimulated by the sudden application of ice to the neck, thus avoiding in the hand local reflexes and responses to cold. Seventeen normal subjects responded in similar fashion. Maximum flow reduction ranged from 26% to 92%, with a mean of 61%. This method should be useful diagnostically and for research when sympathetic reactivity, in contrast to basal sympathetic tone, needs to be determined.
一种用于测量手指血流量的非侵入性应变计方法被用来评估交感神经系统对手指的影响。通过突然将冰敷于颈部来刺激交感神经系统，从而避免手部的局部反射和对寒冷的反应。17名正常受试者有类似反应。最大血流减少幅度在26%至92%之间，平均为61%。当需要确定交感反应性（与基础交感神经张力相对）时，这种方法在诊断和研究方面应该是有用的。
