Abstract
ABSTRACTBackground: To determine if there is an association between lower posterior capsule rupture (PCR) rates among trainees using silicone-tipped handpieces compared with trainees using conventional instrumentation.Methods: In a retrospective audit, anonymized data was extracted for two groups of supervised deanery trainees. Group one operated with conventional IA handpieces. Group two utilized silicone-tipped IA handpieces. Risk factors found to increase the likelihood for intraoperative PCR were included in the analysis. Statistical significance was tested using a parametric test of two proportions.Results: Group one performed 782 surgeries and had a PCR rate of 3.6% vs 1.6% from 933 surgeries in group two. Following adjustment for risk factors, the p-value was 0.057. Group two had no IA-related PCR complications vs 12% in group one. Both groups demonstrated highest rates of PCR during phacoemulsification, 48% and 57%, respectively.Conclusion: Group two had lower than expected complication rates compared to the published literature. Trainees utilizing a 45-degree silicone-tipped IA handpiece had a lower rate of PCR and vitreous loss compared to group one and experienced no complications during IA. This suggests silicone-tipped IA handpieces may be safer for soft lens extraction compared to conventional instrumentation.
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