Steroid-induced ocular hypertension in the pediatric age group

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Abstract

Purpose:

Comparing the effects of topical Rimexolone versus Dexamethasone and Rimexolone versus Fluorometholone on the intraocular pressure in children <13 years.

Methods:

A total of 40 patients (80 eyes) undergoing bilateral recession strabismus surgery were divided into two groups. Group A included 20 children (40 eyes); for each, one eye was randomized to receive 1% Rimexolone and the fellow eye received 0.1% Dexamethasone. Group B included 20 children (40 eyes); for each, one eye was randomized to receive 1% Rimexolone and the fellow eye received 0.1% Fluorometholone. Patients received eye drops for two consecutive weeks.

Methods:

Preoperative and postoperative intraocular pressure values for weeks 1, 2, 3, 4, and 6 were measured. The ocular-hypertensive response of all patients was categorized as either high, intermediate or low (Armaly–Becker Classification).

Results:

After a 2-week treatment for both groups, peak and maximal intraocular pressure changes were reached. Changes were significantly higher in the Dexamethasone-treated eyes than in the Rimexolone- and Fluorometholone-treated eyes, which had a comparable change. (Week 2 intraocular pressure Group A: 14.15 ± 3.23 mmHg vs 17.95 ± 4.27 mmHg; Group B: 15.1 ± 2.27 mmHg vs 15.2 ± 2.73 mmHg). In both groups, the increase was statistically significant compared to the baseline intraocular pressure (preoperative intraocular pressure Group A: 13.2 ± 3.53 mmHg vs 13.1 ± 3.43 mmHg; Group B: 12.55 ± 2.98 mmHg vs 12.15 ± 3.31 mmHg). Intraocular pressure returned to near preoperative values over the following four consecutive weeks (Week 6 intraocular pressure Group A: 12.25 ± 2.67 mmHg vs 12.55 ± 2.95 mmHg; Group B: 12.15 ± 2.8 mmHg vs 12.00 ± 2.75 mmHg). None of the patients were high responders.

Conclusion:

Dexamethasone caused a higher elevation in intraocular pressure than Rimexolone and Fluorometholone in children. The ocular-hypertensive response was transient after the 2-week course.

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