Horner J, Fernandes J, Fernandes E, Nicolaides A N
Br Med J. 1980 Mar 22;280(6217):820-1. doi: 10.1136/bmj.280.6217.820.
The effect on elastic stockings on ambulatory venous pressure was investigated in 22 limbs with deep venous insufficiency. The failure of some elastic stockings to reduce the ambulatory venous pressure in some limbs is due to the lack of graduated compression, which is caused by ankle-calf disproportion--narrow ankles and wide calves. This can be recognised by using the pressure-girth profile and corrected by specially made stockings with increased tension at the ankle. A pressure-girth profile established for each stocking enabled the exact compression exerted by the stocking along the length of each limb to be determined. Elastic stockings exerting a graduated compression between ankle and calf induced a reduction in the ambulatory venous pressure in all but one limb. The greater the degree of graduated compression between ankle and calf exerted by the stocking, the greater the fall in ambulatory venous pressure. This may explain the beneficial effect of compression in limbs with venous ulceration.
对22条存在下肢深静脉功能不全的肢体研究了弹力袜对动态静脉压的影响。一些弹力袜未能降低某些肢体的动态静脉压，原因是缺乏梯度压力，这是由踝部与小腿比例失调（踝部窄而小腿宽）导致的。这可以通过压力-周长曲线识别，并通过在踝部增加张力的特制弹力袜来纠正。为每条弹力袜建立的压力-周长曲线能够确定弹力袜沿每条肢体长度所施加的精确压力。在除一条肢体之外的所有肢体中，在踝部和小腿之间施加梯度压力的弹力袜均使动态静脉压降低。弹力袜在踝部和小腿之间施加的梯度压力越大，动态静脉压下降幅度越大。这或许可以解释压力对伴有静脉溃疡肢体的有益作用。
