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Clin. Experiment. Ophthalmol. · Sep 2006
Supraorbital nerve block in trabeculectomy surgery: an observational case series.
- Eugene Tay, Mohit Gupta, and Wendy Franks.
- Glaucoma Service, Moorfields Eye Hospital, London, UK.
- Clin. Experiment. Ophthalmol. 2006 Sep 1; 34 (7): 637-9.
AbstractThirteen patients completed a visual analogue pain scale after trabeculectomy with topical anaesthesia and a supraorbital nerve block with 2 mL of lignocaine 2%. Ease of surgery was graded on a scale of 0-5. Inadvertent eye movements and episodes of orbicularis spasm were recorded. Statistical analysis was performed using STATA software. Median pain score (range) during delivery of anaesthesia was 2 (1-5), during surgery was 0 (0-4) and postoperatively was 0 (0-3). Pain scores after surgery were significantly lower than during delivery of anaesthesia (Wilcoxon signed rank test, P = 0.0289). Three subjects had inadvertent eye movements with ease of surgery recorded as 1 of 5 in 12 cases and 2 of 5 in one case. The novel application of this anaesthetic technique offers adequate analgesia in trabeculectomy surgery. However, a larger scale comparative trial is needed to further evaluate the value of this technique.
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