Biomedical papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia · 2025
Comparing the efficiency of two prophylactic approaches in patients at risk of developing Intraoperative Floppy Iris Syndrome.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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Maluskova Miroslava, Maresova Klara, Schreiberova Zuzana, Paskova Barbora, Karhanova Marta
Аннотация
BACKGROUND AND AIMS: Intraoperative Floppy Iris Syndrome (IFIS) is a condition that can lead to a number of complications during cataract surgery that threaten final vision of patients using alpha1-adrenergic receptor antagonists (α1-ARAs). There are two recommended pharmacological approaches to preventing IFIS development: intraoperative intracameral epinephrine and application of atropine drops twice a day for one week before surgery. The primary aim of this study was to identify the incidence and grade of IFIS using these two prophylactic approaches in patients at risk of IFIS development and to determine which approach is more effective for mild and severe IFIS. The second aim was to evaluate complication rates between the two.
METHODS: The study consisted of 164 eyes of 164 men using α1-ARAs. 83 eyes were treated with atropine sulphate 1% drops (Group 1) while 81 eyes received an injection of epinephrine to the anterior chamber during cataract surgery (Group 2).
RESULTS: Even though the incidence of IFIS was lower in the epinephrine group this was not statistically significant at the 5% level (P=0.269). Apropos severity, there was a statistically significantly higher incidence of moderate and severe forms of IFIS in Group 2 (P<0.0001). There was no significant difference between groups in the development of surgical complications (P=0.165).
CONCLUSIONS: The instillation of epinephrine was more effective in preventing the overall incidence of IFIS. Nevertheless, the occurrence of IFIS in its moderate and severe forms was statistically significantly higher in this group.
TRIAL REGISTRATION: The study protocol was retrospectively registered in the Clinical Trial registry clinicaltrials.gov under ID number NCT06266962.
METHODS: The study consisted of 164 eyes of 164 men using α1-ARAs. 83 eyes were treated with atropine sulphate 1% drops (Group 1) while 81 eyes received an injection of epinephrine to the anterior chamber during cataract surgery (Group 2).
RESULTS: Even though the incidence of IFIS was lower in the epinephrine group this was not statistically significant at the 5% level (P=0.269). Apropos severity, there was a statistically significantly higher incidence of moderate and severe forms of IFIS in Group 2 (P<0.0001). There was no significant difference between groups in the development of surgical complications (P=0.165).
CONCLUSIONS: The instillation of epinephrine was more effective in preventing the overall incidence of IFIS. Nevertheless, the occurrence of IFIS in its moderate and severe forms was statistically significantly higher in this group.
TRIAL REGISTRATION: The study protocol was retrospectively registered in the Clinical Trial registry clinicaltrials.gov under ID number NCT06266962.