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- W2387447425 abstract "Objective To investigate the incidence, causes and prevention of hyphema early after trabeculectomy. Methods The incidence,grade and severe complications of hyphema in 355 eyes of 249 glaucoma patients who had undergone trabeculectomy were retrospectively analyzed. Results In the first week after operation,hyphema occurred in 37 eyes( 10. 42%). The incidence of hyphema after trabeculectomy in neovascular glaucoma patients was 55. 55%,in primary acute angle-closure glaucoma patients was 8. 87%,in primary chronic angle-closure glaucoma patient was 11. 49%,in primary open angle glaucoma was 9. 24%,while in patients with introcular pressure( IOP) higher than 21 mm Hg( 1 mm Hg =0. 133 k Pa) was 14. 34%. Seven out of 23 glaucoma patients with high blood pressure developed hyphema after trabeculectomy,and 5 out of 19 patients with diabetic mellitus developed hyphema.Thirty-one point two five percent of the anticoagulants used patients developed hyphema. Chi square test showed hyphema easily happened in neovascular glaucoma patients,high IOP patients,high blood pressure patients,diabetic mellitus patients and patients with anticoagulants used. Regression analysis showed that the high preoperative IOP and neovascular glaucoma were the risk factors of hyphema. Among the 37 hyphema patients,19 of them were grade 1 hyphema,11 patients were grade 2,and 7 were grade 3 hyphema. The mean IOP of grade 1 hyphema was( 10. 93 ± 2. 46) mm Hg,of grade 2 was( 9. 33 ± 1. 63) mm Hg,while the IOP of grade 3 was( 24. 75 ± 12. 76) mm Hg,significantly higher than that of grade 1 and grade 2 group. The mean IOP of hyphema patients was( 32. 92 ± 7. 32) mm Hg,which was significantly higher than that of non-hyphema patients. Conclusions Hyphema is a common complication early after trabeculectomy.Neovascular glaucoma and high preoperative IOP are the risk factors of hyphema. Hyphema happen more often in glaucoma patients with high blood pressure,diabetic mellitus and anticoagulants used than in those without such systematic complications. Mild hyphema has little impact on postoperative IOP." @default.
- W2387447425 created "2016-06-24" @default.
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- W2387447425 date "2014-01-01" @default.
- W2387447425 modified "2023-09-23" @default.
- W2387447425 title "Risk factors of hyphema early after trabeculectomy" @default.
- W2387447425 hasPublicationYear "2014" @default.
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