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Selektivni in neselektivni beta-blokatorji v terapiji primarnega glavkoma odprtega zakotja - rezultatati barvne ultrazvočne doplerske preiskave = Selective and nonselective beta-blockers in primary open angle glaucoma therapy - results of color Doppler sonographyMaričić-Došen, Vukoslava ; Karaman, ŽeljkaBackground. Primary open angle glaucoma (POAG) is a syndrome of progressive optic neuropathy characterized by optic nerve head excavation and visual fielddefects. Poor correlation between IOP and ... progression of glaucoma diseasesets vascular mechanism in the centre of attention. By Color Doppler sonography, quantification of blood flow changes in vessels, which supply optic nerve head, is possible. We wanted to find out whether there are changesin the circulation of central retinal artery and posterior ciliary arteries in patients with primary open angle glaucoma treated with selective or nonselective beta-blockers. Methods. 44 patients (88 eyes) were divided into two groups: group 1: 22 patients (44 eyes) treated with selective beta-blockers (Betaxolol 0.5%) and group 2: 22 patients (44 eyes) treated withnonselective beta-blockers (Timolol 0.5%). Vascular indices (RI, PI) were measured in the central retinal artery and posterior ciliary arteries. Results. We found decreased blood flow and increased vascular indices in both groups of patients, statistically significant difference between group 1 and group 2: blood flow velocity was higher and vascular indices were lower in group 1 (Betaxolol 0.5%) compared to group 2 (Timolol 0..5%). Conclusions. Selective beta-blockers (calcium channel blockers) act more vasoactively and neuroprotectively comparing to nonselective beta-blockers.Vir: Zdravniški vestnik : glasilo Slovenskega zdravniškega društva = Slovenian medical journal = journal of Slovenian Medical Association. - ISSN 1318-0347 (Letn. 71, supl. 2, apr. 2002, str. II-95-II-98)Vrsta gradiva - prispevek na konferenciLeto - 2002Jezik - slovenskiCOBISS.SI-ID - 14713561
Avtor
Maričić-Došen, Vukoslava |
Karaman, Željka
Teme
Adrenergic beta-antagonists |
Glaucoma, open-angle |
Drug therapy |
Ultrasonography |
Ultrasonography, doppler, color |
Adrenergični beta-antagonisti |
Glavkom odprtega kota |
Ultrasonografija, Doppler barvna |
oftalmologija |
glavkom |
diagnostika
vir: Zdravniški vestnik : glasilo Slovenskega zdravniškega društva = Slovenian medical journal = journal of Slovenian Medical Association. - ISSN 1318-0347 (Letn. 71, supl. 2, apr. 2002, str. II-95-II-98)
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