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20.08.2020 | Glaucoma | Ausgabe 11/2020 Open Access

Graefe's Archive for Clinical and Experimental Ophthalmology 11/2020

Influence of oral anticoagulation on success rates and risk of bleeding events after iStent inject implantation combined with phacoemulsification

Zeitschrift:
Graefe's Archive for Clinical and Experimental Ophthalmology > Ausgabe 11/2020
Autoren:
Randolf A. Widder, Alexandra Lappas, Corinna Rennings, Matthias Hild, Gernot F. Roessler, Thomas S. Dietlein
Wichtige Hinweise
The published online version contains mistake as the author's first name and last name have been interchanged as "Hild Matthias" instead of "Matthias Hild". The correct presentation is given above.
A correction to this article is available online at https://​doi.​org/​10.​1007/​s00417-020-04951-x.

Publisher’s note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Abstract

Purpose

We conducted a retrospective study to evaluate the intraocular pressure (IOP) lowering effect, the success rates, and the risk of bleeding events of patients receiving an iStent inject combined with phacoemulsification under anticoagulation therapy compared with a matched control group.

Methods

In this retrospective study, sixty-four eyes underwent an iStent inject implantation combined with phacoemulsification at two centers. Thirty-two eyes received surgery while under anticoagulation therapy, and another thirty-two eyes served as a control group matched for visual acuity, IOP, and medication score. Success was defined as criteria A and B (IOP < 18/21 mmHg, > 20% IOP reduction, no resurgery) and criteria C (IOP ≤ 15 mmHg, IOP reduction ≥ 40%, no resurgery). The clinical goal of the study was to determine the difference between the study and control groups with respect to IOP, medication score, and the frequency of intraoperative and postoperative bleeding events.

Results

After a mean follow-up time of 1 year, the IOP lowered 28% from 20.1 ± 4.8 to 14.5 ± 3.7 mmHg in the group of 64 eyes. The medication score lowered 38% from 2.1 ± 1.1 to 1.3 ± 1.2. The two groups with and without anticoagulant agents did not significantly differ in postoperative IOP, medication score, success rates, or number of bleeding events.

Conclusion

We conclude that in cataract surgery combined with the iStent inject a discontinuation of anticoagulant agents might not be necessary. It might be a good option in glaucoma surgery when anticoagulation treatment should not be interrupted and the target pressure is not very low.

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