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Patient comfort during clear corneal phacoemulsification with sub-Tenon's local anesthesia.

Abstract：

PURPOSE:To assess patient comfort with and without intravenous (i.v.) cannulation during 1-quadrant sub-Tenon's anesthesia during phacoemulsification. SETTING:Royal Alexandra Hospital, Paisley, Scotland, United Kingdom. METHODS:This prospective masked controlled clinical trial comprised 119 patients having elective clear corneal phacoemulsification. Fifty had sub-Tenon's anesthesia with an i.v. cannula; 23, sub-Tenon's anesthesia without an i.v. cannula; and 46, topical anesthesia of proparacaine 0.5% without an i.v. cannula. No patient received sedation. All patients had clear corneal phacoemulsification with foldable posterior chamber intraocular lens implantation. The patients' subjective pain experience was measured immediately after surgery by a single independent observer using a 10-point visual analog scale. RESULTS:The mean patient-reported pain was low in all 3 groups. The mean i.v. cannula-related pain score in the sub-Tenon's group with an i.v. cannula (1.00; range 0 to 8) was higher than the mean general pain score (0.46; range 0 to 5) and worst pain experienced during surgery score (0.64; range 0 to 3). In the topical anesthesia group, 8 patients (17%) reported greater discomfort directly or indirectly related to the subconjunctival antibiotic injection at the end of surgery. CONCLUSION:Patient-reported pain caused by placing an i.v. cannula in the sub-Tenon's group significantly altered overall patient comfort during the surgical experience. Thus, the routine use of i.v. access during clear corneal phacoemulsification under sub-Tenon's anesthesia should be avoided to improve patient satisfaction.

journal_name

J Cataract Refract Surg

journal_title

Journal of cataract and refractive surgery

authors

Mathew MR,Williams A,Esakowitz L,Webb LA,Murray SB,Bennett HG

doi

10.1016/s0886-3350(03)00247-5

subject

Has Abstract

pub_date

2003-06-01 00:00:00

pages

1132-6

issue

6

eissn

0886-3350

issn

1873-4502

pii

S0886335003002475

journal_volume

29

pub_type

临床试验,杂志文章,随机对照试验

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