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Little difference between topical, local anesthesia in postop nausea

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HONG KONG — In routine phacoemulsification, both topical and retrobulbar anesthesia are associated with a low incidence of postoperative nausea and vomiting, according to a study. No statistically significant differences were noted between the two anesthesia techniques in these postoperative side effects, the study authors concluded.

Jonathan C.H. Chang, MRCSed, and colleagues here at the United Christian Hospital randomized 107 Chinese patients scheduled for routine phaco with posterior chamber IOL implantation to receive either retrobulbar or topical anesthesia.

Postoperative nausea and vomiting occurred in four patients; three in the topical group and one in the retrobulbar group. No significant differences were found in the fasting time, duration of surgery or postoperative intraocular pressure between patients who had postoperative nausea and vomiting and those who did not.

The study is published in the November issue of Journal of Cataract & Refractive Surgery.