Abstract
The purpose of this article was to quantitate the effect of intravenous hypertonic saline (IVHTS) on elevated intraocular pressure (IOP) among 3 groups of glaucoma patients or suspects. Among the forty-four patients with IOP 24 to 30 mm Hg included in this study, 13 had ocular hypertension (OHT), 14 primary open-angle glaucoma (POAG), and 17 exfoliation glaucoma (ExG). Participants received a bolus of 23.4% IVHTS (1.0 mmol/kg) through an antecubital vein. We measured IOP, heart rate, and blood pressure before the bolus, thereafter every minute for 10 minutes, and less frequently for 2 hours. The median baseline IOP was 24 mm Hg (range, 24 to 30 mm Hg), 26.5 mm Hg (range, 24 to 30 mm Hg), and 26 mm Hg (range, 24 to 30 mm Hg) in OHT, POAG, and ExG patients, respectively. Sixteen minutes after the bolus, IOP was a median of 9 mm Hg (range, 4 to 12 mm Hg), 10 mm Hg (range, 6 to 12 mm Hg), and 10 mm Hg (range, 4 to 14 mm Hg) lower in OHT, POAG, and ExG groups (P=0.70), respectively. After 1 hour, the median IOP reduction was similar between ExG (9 mm Hg; range, 4 to 14 mm Hg) and POAG patients (9.5 mm Hg; range, 6 to 12 mm Hg) but lower in OHT patients (6 mm Hg; range, 2 to 9 mm Hg; P=0.006). Heart rate decreased by a median of 7 be...Continue Reading
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