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

2015; Wiley; Volume: 70; Issue: 5 Linguagem: Inglês

10.1111/anae.12976

1365-2044

Ilana Esquenazi Najman, R. Meirelles, L. B. Ramos, Thiago Guimarães, Paulo do Nascimento,

Traumatic Ocular and Foreign Body Injuries

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.