Author(s): Edge KR, Nicoll JM
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Abstract To determine the incidence of hemorrhage after retrobulbar nerve block, 12,500 consecutive cases were reviewed. Fifty-five retrobulbar hemorrhages occurred after retrobulbar injection, a prevalence of 1 in 227 (0.44\%). This compares favorably with the quoted prevalence of 1\%-3\% in the literature. Acquired vascular disease was a significant risk factor (P < 0.017). Surgery was postponed in 41 (75\%) of the cases in which a hemorrhage developed. Although retrobulbar hemorrhage is considered a serious complication of retrobulbar anesthesia, the eventual visual outcome after surgery in these patients was not significantly different from the control group.
This article was published in Anesth Analg
and referenced in Journal of Clinical & Experimental Ophthalmology