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首页> 外文期刊>Surgical Endoscopy >Doppler-guided hemorrhoidal laser procedure for the treatment of symptomatic hemorrhoids: experimental background and short-term clinical results of a new mini-invasive treatment
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Doppler-guided hemorrhoidal laser procedure for the treatment of symptomatic hemorrhoids: experimental background and short-term clinical results of a new mini-invasive treatment

机译：多普勒引导下的痔疮激光治疗有症状的痔疮：一种新的微创治疗的实验背景和短期临床结果

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Background According to the “vascular” theory, arterial overflow in the superior hemorrhoidal arteries would lead to dilatation of the hemorrhoidal venous plexus. A 980-nm diode laser-pulsed shot causes shrinkage of tissue. The depth of shrinkage can be regulated by the power and duration of the laser beam. Through a 1000-micron conic fiber, five laser shots generated at a power of 13 W with duration of 1.2 s each and a pause of 0.6 s caused shrinkage of tissues to the depth of approximately 5 mm. Terminal branches of the superior hemorrhoidal artery in the anal canal, if precisely identified through a Doppler signal, can be closed with the use of this laser.
机译：背景技术根据“血管”理论，痔上动脉的动脉溢流会导致痔静脉丛的扩张。 980 nm二极管激光脉冲发射会导致组织收缩。收缩的深度可以由激光束的功率和持续时间来调节。通过1000微米的圆锥形光纤，以13 W的功率产生了五次激光发射，每次持续时间为1.2 s，停顿时间为0.6 s，导致组织收缩至约5 mm的深度。如果通过多普勒信号精确识别出肛门上痔上动脉的末端分支，则可以使用该激光关闭它。

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