Abstract
Purpose
To evaluate the association between intraoperative floppy iris syndrome (IFIS) and concurrent medications containing selective alpha1A receptor antagonists as well as nonselective alpha1-adrenergic receptor antagonists, bulbus length, patient age and gender.
Methods
We performed a prospective data acquisition of IFIS occurrence and grading, and retrospective evaluation of concurrent medications, bulbus length, patient age and gender of all patients undergoing cataract surgery over a 6-month period.
Results
IFIS was observed in 119 of 947 cases (12.6 %). 31 of those 119 patients (26.1 %) had a concurrent medication with a drug that is associated with a higher risk of causing IFIS. Tamsulosin was the drug most commonly associated with IFIS (n = 11), followed by a combination of drugs (n = 7), doxazosin (n = 4), quetiapine (n = 4), finasterid (n = 2), prothipendyl (n = 2), and mianserin (n = 1). Bulbus length and age did not show any significant association with occurrence or grade of IFIS. Gender distribution among IFIS cases was 57.1 % males (n = 68) and 42.9 % (n = 51) females.
Conclusions
The occurrence of IFIS has to be expected with a variety of concurrent medications. The number of IFIS cases and the percentage of females in this series are higher compared to previous reports. The observations might be due to a rising awareness of surgeons or to an increasing number of causative medications on the market.
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Wahl, M., Tipotsch-Maca, S.M. & Vecsei-Marlovits, P.V. Intraoperative floppy iris syndrome and its association with various concurrent medications, bulbus length, patient age and gender. Graefes Arch Clin Exp Ophthalmol 255, 113–118 (2017). https://doi.org/10.1007/s00417-016-3515-7
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DOI: https://doi.org/10.1007/s00417-016-3515-7