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透明质酸酶能解聚结缔组织细胞基质内的多糖透明质酸,增进局麻药物的扩散,从而提高对神经阻滞麻醉的效果。它对球后麻醉的作用,各家说法不一。作者采用双盲随机抽样的方法,将105例老年性白内障分为两组,均作球后,van Lint和O’Brien神经阻滞麻醉,一组仅给2%利多卡因和1∶100000肾上腺素;另一组加用透明质酸酶(15IU/ml)。均行晶体囊内冷冻摘出术。其麻醉效果按以下指标进行评价: 1级:眼球固定,麻醉充分。(1)作上睑缝线无痛;(2)眼球完全不能运动;(3)眼球保持在原位;(4)结、角膜充分麻醉。2级:眼球运动受限,麻醉程度足以使眼
Hyaluronidase can depolymerize the polysaccharide hyaluronic acid within the connective tissue cells matrix to promote the proliferation of local anesthetic drugs, thereby enhancing the effect of nerve block anesthesia. Its effect on anesthesia after the ball, different opinions. The authors used a double-blind, randomized trial to classify 105 senile cataracts into two groups, all treated with van Lint and O’Brien nerve block anesthesia, with only one group giving 2% lidocaine and 1: 100,000 adrenal The other group added hyaluronidase (15IU / ml). Intrauterine intracapsular cryoablation surgery. The anesthetic effect according to the following indicators for evaluation: Level 1: fixed eye, adequate anesthesia. (1) for the upper eyelid suture painless; (2) the eye can not exercise at all; (3) the eye remains in situ; (4) knot, full corneal anesthesia. Level 2: Eye movement is limited, enough to make the eye anesthesia