A randomised controlled trial of periconal eye blockade with or without ultrasound guidance

Summary We randomly allocated 129 participants with normal eyes to periconal blockade with (n = 69) or without (n = 60) ultrasound guidance before cataract surgery. There was no difference in the rates of complication, 1/69 and 0/60, respectively, p = 1.0. The rate of intraconal needle placement was...

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Bibliographic Details
Published inAnaesthesia Vol. 70; no. 5; pp. 571 - 576
Main Authors Najman, I. E., Meirelles, R., Ramos, L. B., Guimarães, T. C. F., Nascimento, P.
Format Journal Article
LanguageEnglish
Published England Blackwell Publishing Ltd 01.05.2015
Subjects
Adolescent
Adult
Aged
Aged, 80 and over
Anesthesia
Anesthetics, Local - administration & dosage
Cataract Extraction - methods
Clinical trials
Eye
Eyes & eyesight
Female
Humans
Injections, Intraocular
Male
Medical Errors - prevention & control
Medical Errors - statistics & numerical data
Middle Aged
Needles
Nerve Block - adverse effects
Nerve Block - methods
Ultrasonic imaging
Ultrasonography, Interventional
Young Adult
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Summary:Summary We randomly allocated 129 participants with normal eyes to periconal blockade with (n = 69) or without (n = 60) ultrasound guidance before cataract surgery. There was no difference in the rates of complication, 1/69 and 0/60, respectively, p = 1.0. The rate of intraconal needle placement was 1/69 with ultrasound and 12/60 without ultrasound, a relative risk (95% CI) of 0.07 (0.01–0.55), p < 0.0001.
Bibliography:http://www.anaesthesiacorrespondence.com
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ISSN:0003-2409
1365-2044
DOI:10.1111/anae.12976