Methods:37 cases of PAR anterior-ethmoid nerve cautery were performed with Ho:YAG laser. Efficacy was evaluated by measurement of nasal symptom scores and sign scores.

方法：使用钬激光行筛前神经终末区域烧灼及下鼻甲黏膜下激光凝固治疗PAR患者37例，并比较治疗前后症状及体征分级记分。

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S. and will probably also do so in other countries. In operative laparoscopy, surgery is carried out through the laparoscope using laser, cautery, or small surgical instruments.

在美国，腹腔镜手术已经迅速取代外科手术，而且其他国家也开始这么做了。

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