Purpose: To compare the incidence of intraoperative floppy-iris syndrome (IFIS) between male and female patients undergoing phacoemulsification cataract surgery, evaluate risk factors for its appearance in each sex, and assess any differences in the final visual outcomes.
Setting: 2nd Department of Ophthalmology, Aristotle University of Thessaloniki, Greece.
Design: Comparative retrospective case-control study.
Methods: Cataract patients with recorded IFIS of any severity occurring over 4 years in a tertiary care ophthalmic center during phacoemulsification surgery were identified and enrolled in a multivariate analysis.
Results: The study comprised 3811 eyes of 3213 patients. Of the 1678 female patients (1937 eyes) undergoing cataract surgery, IFIS was observed in 25 eyes (1.29%), whereas the incidence of IFIS in male eyes during the same period was statistically significantly higher (97 [5.17%] of 1874 eyes) (P < .0001). No statistically significant difference in age was found between male patients (72.92 years ± 6.5 [SD]) and female patients (72.04 ± 7.1 years) (P = .56). An intake of α1-receptor blockers was identified in 70 (72.2%) of 97 male IFIS cases and in none of the 25 female IFIS cases (P < .0001). The posterior capsule rupture rate was significantly higher in 7 (28%) of the 25 female IFIS cases compared with 9 (9.28%) of the 97 male IFIS cases (P = .02). The posterior capsule rupture incidence and final corrected distance visual acuity (with spectacles) were shown to correlate with the IFIS severity grade only in female patients (P < .001 and P = .02, respectively).
Conclusions: Although the incidence of IFIS is rarer in female patients, it might significantly affect an increase in the intraoperative events rate and affect the final visual outcome correlating with the severity grade of its appearance. Predisposing risk factors differ between the sexes and surgeons should always be aware of the potentially catastrophic consequences of unforeseen IFIS.
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| http://dx.doi.org/10.1016/j.jcrs.2018.08.029 | DOI Listing |
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