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  • Title: [Effect of 0.004% travoprost and 2% carteolol on intraocular pressure in patients with ocular hypertension after laser peripheral iridotomy or trabeculectomy in primary angle-closure glaucoma].
    Author: Yao BQ, Pang YY, Li YX.
    Journal: Zhonghua Yan Ke Za Zhi; 2013 Apr; 49(4):340-4. PubMed ID: 23900094.
    Abstract:
    OBJECTIVE: To compare the intraocular pressure (IOP) lowering effect of 0.004% travoprost and 2% carteolol in patients with ocular hypertension (OHT) after laser peripheral iridotomy (LPI) or trabeculectomy in primary angle-closure glaucoma (PACG). METHODS: Clinical case control trial. 52 consecutive PACG patients (52 eyes) with IOP > 21 mm Hg (1 mm Hg = 0.133 kPa) after LPI or trabeculectomy were enrolled. 24 patients received topical application of 0.004% travoprost (once daily) and 28 received 2% carteolol (twice daily). IOP lowering effect of travoprost and carteolol before and after treatment was measured by Goldmann tonometer and compared using t-test. The relationship of IOP lowering effect and the degree of angle open was performed by gonioscope and analyzed using Spearman rank correlation. RESULTS: Compared with pre-treatment, the IOP was significantly reduced in 24 patients (24 eyes) in 0.004% travoprost group [pre-treatment: (24.67 ± 3.08) mm Hg, post-treatment: (18.58 ± 2.71) mm Hg; t = 6.600, P < 0.05], while significantly reduced in 28 patients (28 eyes) received 2% carteolol [pre-treatment: (23.57 ± 1.60) mm Hg, post-treatment: (19.57 ± 1.60) mm Hg; t = 5.130, P < 0.05]. 0.004% travoprost group is more significant in both quantity and percentage of IOP lowering than 2% carteolol (t = 2.533, 2.532; P < 0.05). There was no correlation between the IOP lowering effect and the degree of angle open in both groups (0.004% travoprost r = 0.145, 0.009; P > 0.05; 2% carteolol r = 0.090, 0.183, P > 0.05). CONCLUSIONS: Both of 0.004% travoprost and 2% carteolol reduce IOP in patients with OHT after LPI or trabeculectomy in PACG. 0.004% travoprost is more effective than 2% carteolol in IOP lowering. However, the decrease of IOP is not acted through the alteration of anterior chamber angle in both study groups.
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