Manners T D, Burton R L
Ophthalmology Department, West Norwich Hospital, UK.
Eye (Lond). 1996;10 ( Pt 3):367-70. doi: 10.1038/eye.1996.75.
Fifty unselected patients undergoing routine cataract surgery were randomised to receive either topical or sub-Tenon's local anaesthesia with 2% prilocaine administered by a blunt cannula. Visual analogue scales were used to assess pain during administration of sub-Tenon's anaesthetic and pain during surgery, and any complications were noted. Sub-Tenon's anaesthesia proved to be entirely comfortable to administer, and allowed for a statistically significantly more pain-free operation, at the expense of some residual eye movement and an inevitable subconjunctival haemorrhage. Both techniques compared well with other studies assessing periorbital or retro-orbital injections, and both have significant safety advantages which are discussed in the context of the joint Royal Colleges report on ophthalmic anaesthesia. It is suggested that a combination of one or other technique could safely cover all requirements for intraocular surgery under local anaesthesia.
五十名接受常规白内障手术的未经过挑选的患者被随机分为两组，分别接受局部麻醉或球后局部麻醉，使用钝头套管给予2%丙胺卡因。采用视觉模拟量表评估球后麻醉给药期间的疼痛以及手术期间的疼痛，并记录任何并发症。事实证明，球后麻醉给药完全舒适，且在一定程度上牺牲了一些眼球残余运动和不可避免的结膜下出血的情况下，能使手术在统计学上显著更无痛。与其他评估眶周或眶后注射的研究相比，这两种技术都表现良好，并且在皇家医学院联合发布的眼科麻醉报告的背景下，两者都具有显著的安全优势。建议其中一种或另一种技术的组合可以安全地满足局部麻醉下眼内手术的所有要求。
