Current eye research · 2018
Modified Corneal Incisions for Cataract Surgery in Patients Treated with Tamsulosin: A Prospective Study.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Blau-Most Michal, Mimouni Michael, Geffen Noa, Segal Ori, Segev Fani
Аннотация
PURPOSE: To evaluate modified anterior elongated corneal incisions as a simple technique to reduce the incidence and severity of intraoperative floppy iris syndrome (IFIS), in patients taking tamsulosin (a selective α1a-adrenergic receptor antagonist).
METHODS: This prospective case series was conducted at Meir Medical Center, a tertiary care facility in Israel. Included were 45 eyes of 39 male patients taking tamsulosin, and thus prone to IFIS. Patients underwent phacoemulsification cataract surgery with anterior elongated corneal incisions. The primary outcomes were the incidence and severity of IFIS, the complication rate and the need for additional IFIS management techniques. The secondary outcome was to quantify the surgically induced astigmatism, using Alpin's vector analysis. The tamsulosin treatment period and pupil diameter during five stages of the surgery were also noted.
RESULTS: The overall rate of IFIS was 33.33% (n = 15). The IFIS severity was rated as mild in 22.22% and moderate in 11.11% of the study eyes. No IFIS was noted in 66.67% of the eyes. There were no cases of severe IFIS, and no need for other IFIS management strategies. The complications rate was 2.22% (n = 1). Patients who developed IFIS had a significantly smaller pupil at the beginning of surgery (p < 0.05). There was no significant difference in tamsulosin treatment period between patients with and without IFIS (p = 0.19). The centroid - the mean SIA vector was 0.51 D @ 18° ±1.5 D (SD).
CONCLUSIONS: In tamsulosin treated patients, using modified corneal incisions may be feasible in order to reduce the incidence and severity of IFIS during cataract surgery. Future randomized studies are warranted.
METHODS: This prospective case series was conducted at Meir Medical Center, a tertiary care facility in Israel. Included were 45 eyes of 39 male patients taking tamsulosin, and thus prone to IFIS. Patients underwent phacoemulsification cataract surgery with anterior elongated corneal incisions. The primary outcomes were the incidence and severity of IFIS, the complication rate and the need for additional IFIS management techniques. The secondary outcome was to quantify the surgically induced astigmatism, using Alpin's vector analysis. The tamsulosin treatment period and pupil diameter during five stages of the surgery were also noted.
RESULTS: The overall rate of IFIS was 33.33% (n = 15). The IFIS severity was rated as mild in 22.22% and moderate in 11.11% of the study eyes. No IFIS was noted in 66.67% of the eyes. There were no cases of severe IFIS, and no need for other IFIS management strategies. The complications rate was 2.22% (n = 1). Patients who developed IFIS had a significantly smaller pupil at the beginning of surgery (p < 0.05). There was no significant difference in tamsulosin treatment period between patients with and without IFIS (p = 0.19). The centroid - the mean SIA vector was 0.51 D @ 18° ±1.5 D (SD).
CONCLUSIONS: In tamsulosin treated patients, using modified corneal incisions may be feasible in order to reduce the incidence and severity of IFIS during cataract surgery. Future randomized studies are warranted.