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Archivos de la Sociedad Española de Oftalmología
Print version ISSN 0365-6691
Abstract
PEREZ-SILGUERO, D. et al. Comparison of the effectiveness of two different pharmacologic approaches to prevent intraoperative floppy iris syndrome. Arch Soc Esp Oftalmol [online]. 2009, vol.84, n.11, pp.549-555. ISSN 0365-6691.
Objective: To compare the effectiveness of two strategies to prevent the appearance of intraoperative floppy iris syndrome (IFIS) in patients exposed to a-blockers. Methods: We compared retrospectively the presence and severity of the appearance of IFIS in 29 patients subjected to cataract surgery, establishing two groups of 12 patients (22 eyes) and 17 patients (33 eyes). The strategy applied to group one consisted of suspending the exposure to a-blockers for at least one week prior to the intervention, the topical application of 1% atropine three times a day for two days before the intervention and the use of intracameral lidocaine. The strategy for group two consisted of suspending use of the drug for at least one week before the intervention and the intracameral application at the beginning of surgery of a solution of physiological serum, adrenaline and lidocaine. Results: Six patients from group one showed no evidence of IFIS, 2 exhibited bilateral mild symptoms, 2 bilateral moderate and 2 unilateral severe symptoms of IFIS. In total, 45.5% eyes suffered from IFIS. In group two, only 3 eyes (9.1%) from 2 patients exhibited mild symptoms. Statistical analysis showed a significant difference between both groups (p=0.002). If only those exhibiting moderate and severe symptoms are taken into account the result was highly statistically significant (p=0.0002). Conclusion: The study shows a greater statistical effectiveness of the strategy applied to group two compared to the strategy applied to group one.
Keywords : Floppy iris; a-blockers; progressive miosis; prolapse of the iris; prostatic hypertrophy.