Published in:
01-02-2021 | Glaucoma | Cataract
The association between toxic anterior segment syndrome and intraocular pressure
Published in: Graefe's Archive for Clinical and Experimental Ophthalmology | Issue 2/2021
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Purpose
To investigate the association between toxic anterior segment syndrome (TASS) and intraocular pressure (IOP).
Methods
This is a retrospective, controlled, single-site study. Patients who developed TASS following a clear corneal incision cataract surgery in Rabin Medical Center (Petah Tikva, Israel), between the years 2010–2018, were enrolled. The primary outcome was IOP measured 1, 7 (± 2), and 30 (± 7) days after surgery. The need for ocular hypotensive treatment was the secondary outcome.
Results
The study and control groups included 374 and 127 eyes, respectively. The mean IOP in the study and the control groups were 16.3 ± 7.1 and 15.3 ± 3.0 (p = 0.02) at day 1, 13.2 ± 5.0 and 13.7 ± 2.9 (p = 0.18) at day 7, and 13.7 ± 4.1 and 13.5 ± 2.8 (p = 0.65) at day 30. Prevalence of high IOP (> 21 mmHg) was significantly higher in the study group solely on the first postoperative day (12.7% and 3.2%, p = 0.002). In the study group, 9%, 3.7%, and 1.6% of the patients required hypotensive medications at day 1, 7, and 30, respectively. Four patients (~ 1%) in the study group developed acute angle closure due to pupillary block, 1–3 weeks after surgery and required laser iridotomy and topical treatment.
Conclusion
High IOP is considered a concerning characteristic of the late stages of TASS although such association lack supporting evidence. This study did not detect such an association. High IOP was found only in a small group of TASS patients in the early perioperative period.
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