Can J Ophthalmol
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Randomized Controlled Trial Comparative Study Clinical Trial
The Misericordia Health Centre cataract comfort study.
All surgery provokes various degrees of anxiety for patients. The environment leading up to surgery can affect anxiety levels. We performed a prospective randomized study to compare environmental factors around the time of cataract surgery in order to identify interventions that would minimize stress for patients. ⋯ For patients undergoing cataract surgery, efforts should be directed toward reducing anxiety on arrival at the institution, when it is highest, and not just during surgery. Oral sedation and listening to music before surgery appear to be beneficial. Listening to music through headphones during surgery was not found to be advantageous.
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Randomized Controlled Trial Comparative Study Clinical Trial
Antiemetic prophylaxis for strabismus surgery.
Droperidol can reduce the high incidence of vomiting after pediatric strabismus surgery; however, its use may be associated with sedation, delayed hospital discharge, dysphoria and extrapyramidal signs. Midazolam, a short-acting benzodiazepine with antiemetic properties, has few side effects and may be a suitable alternative. ⋯ The incidence rates of vomiting in the two groups were 45% and 37% respectively, a nonsignificant difference. The incidence of vomiting was not affected by the duration of anesthesia, but the number of muscles repaired was a significant predictor of postoperative vomiting (p < 0.001).
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Randomized Controlled Trial Clinical Trial
Effect of a topical anesthetic cream (EMLA) in reducing pain caused by infiltration of local anesthetic in eyelid surgery.
EMLA (eutectic mixture of local anesthetics) cream is a topical formulation of a mixture of lidocaine and prilocaine. It has been used to achieve local analgesia after application under an occlusive dressing. We carried out a double-blind randomized controlled clinical trial to assess the effect of 5% EMLA (25 mg/mL of lidocaine and of prilocaine) in reducing the pain caused by infiltration of local anesthetic in eyelid surgery. ⋯ Clinical significance was defined as a difference in pain scores of 3 or more between EMLA and placebo. The mean pain scores for EMLA and placebo were 3.1 and 4.0 respectively, a nonsignificant difference. The EMLA preparation was found not to be clinically effective in reducing pain caused by infiltration of local anesthetic in eyelid surgery.