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1 General aspects (0)   1.1 Epidemiology (6)   1.2 Population genetics (19)   1.3 Pathogenesis (5)   1.4 Quality of life (5)   1.5 Glaucomas as cause of blindness (3)   1.6 Prevention and screening (2) 2 Anatomical structures in glaucoma (0)   2.1 Conjunctiva (0)   2.2 Cornea (3)   2.3 Sclera (1)   2.4 Anterior chamber angle (0)   2.5 Meshwork (8)     2.5.1 Trabecular meshwork (0)     2.5.2 Schlemms canal (0)     2.5.3 Scleral outlet channels (0)   2.6 Aqueous humor dynamics (6)     2.6.1 Production (0)     2.6.2 Outflow (0)       2.6.2.1 Trabecular meshwork (0)       2.6.2.2 Uveoscleral (0)     2.6.3 Compostion (0)   2.7 Episcleral veins and venous pressure (0)   2.8 Iris (2)   2.9 Ciliary body (6)   2.10 Lens (0)   2.11 Vitreous body (0)   2.12 Choroid, peripapillary choroid, peripapillary atrophy (3)   2.13 Retina and retinal nerve fibre layer (24)   2.14 Optic disc (23)   2.15 Optic nerve (0)   2.16 Chiasma and retrochiasmal central nervous system (3)   2.17 Stem cells (0)   2.20 Other (1) 3 Laboratory methods (10)   3.1 Microscopy (0)   3.2 Electron microscopy (0)   3.3 Immunohistochemistry (7)   3.4 Molecular genetics (1)     3.4.1 Linkage studies (0)     3.4.2 Gene studies (0)   3.5 Molecular biology incl. SiRNA (0)   3.6 Cellular biology (0)   3.7 Biochemistry (0)   3.8 Pharmacology (0)   3.9 Pathophysiology (0)   3.10 Immunobiology (0)   3.11 Pharmacogenetics (0)   3.12 Proteomics (0)   3.13 In vivo imaging (0)     3.13.1 Laser Scanning (0)       3.13.1.1 Confocal Scanning Laser Ophthalmoscopy (0)       3.13.1.2 Confocal Scanning Laser Polarimetry (0)     3.13.2 Optical Coherence Tomography (0)       3.13.2.1 Anterior Segment (0)       3.13.2.2 Posterior Segment (0)     3.13.3 RGC Imaging (0)     3.13.4 Other (0)   3.20 Other (0) 4 Tissue culture of ocular cells (1) 5 Experimental glaucoma; animal models (17)   5.1 Rodent (0)   5.2 Primates (0)   5.3 Other (0) 6 Clinical examination methods (0)   6.1 Intraocular pressure measurement; factors affecting IOP (13)     6.1.1 Devices, techniques (0)     6.1.2 Fluctuation, circadian rhythms (0)     6.1.3 Factors affecting IOP (0)   6.2 Tonography, aqueous flow measurement (see also 2.6) (0)   6.3 Biomicroscopy (slitlamp) (0)     6.3.1 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    9.4.1 Steroid-induced glaucoma (2)     9.4.2 Glaucomas associated with disorders of the cornea, conjunctiva, sclera (0)       9.4.2.1 Iridocorneal endothelial syndrome (ICE, incl. irisatrophy) (0)       9.4.2.2 Posterior polymorphous dystrophy (0)       9.4.2.3 Fuchs' endothelial dystrophy (0)       9.4.2.5 Other (0)     9.4.3 Glaucomas associated with disorders of the iris and ciliary body (0)       9.4.3.1 Pigmentary glaucoma (2)       9.4.3.5 Other (0)     9.4.4 Glaucomas associated with disorders of the lens (0)       9.4.4.1 Exfoliation syndrome (4)       9.4.4.2 Glaucomas associated with cataracts (2)       9.4.4.3 Glaucomas associated with lens dislocation (0)       9.4.4.5 Other (0)     9.4.5 Glaucomas associated with disorders of the retina, choroid and vitreous (0)       9.4.5.1 Neovascular glaucoma (3)       9.4.5.5 Other (0)     9.4.6 Glaucomas associated with inflammation, uveitis (0)     9.4.7 Glaucomas associated with ocular trauma (1)     9.4.8 Glaucomas associated with intraocular tumors (0)     9.4.9 Glaucomas associated with elevated episcleral venous pressure (2)       9.4.10 Glaucomas associated with hemorrhage (0)     9.4.11 Glaucomas following intraocular surgery (0)       9.4.11.1 Ciliary block (malignant) glaucoma (1)       9.4.11.2 Glaucomas in aphakia and pseudophakia (1)       9.4.11.3 Epithelial, fibrous, and endothelial proliferation (0)       9.4.11.4 Glaucomas associated with corneal surgery (1)       9.4.11.5 Glaucomas associated with vitreoretinal surgery (2)     9.4.15 Glaucoma in relation to systemic disease (10)     9.4.20 Other (0) 10 Differential diagnosis e.g. anterior and posterior ischemic optic neuropathy (9) 11 Medical treatment (1)   11.1 General management, indication (4)   11.2 Cholinergic drugs (3)   11.3 Adrenergic drugs (1)     11.3.1 Epinephrine (0)     11.3.2 Thymoxamine, dapiprazole (0)     11.3.3 Apraclonidine, brimonidine (10)     11.3.4 Betablocker (14)     11.3.5 Other (0)   11.4 Prostaglandins (37)   11.5 Carbonic anhydrase inhibitors (0)     11.5.1 Systemic (0)     11.5.2 Topical (15)   11.6 Osmotic treatment (0)   11.7 Treatment of bloodflow (7)   11.8 Neuroprotection (14)   11.9 Gene therapy (1)   11.13 Combination therapy (0)     11.13.1 Betablocker and pilocarpine (0)     11.13.2 Betablocker and carbon anhydrase inhibitor (0)     11.13.3 Betablocker and brimonidine (0)     11.13.4 Betablocker and prostaglandin (0)     11.13.5 Other (0)   11.14 Investigational drugs; pharmacological experiments (7)   11.15 Other drugs in relation to glaucoma (0)   11.16 Vehicles, delivery systems, pharmacokinetics, formulation (6)   11.17 Cooperation with medical therapy e.g. persistency, compliance, adherence (0)   11.20 Other (5) 12 Surgical treatment (0)   12.1 General management, indication (3)   12.2 Laser iridotomy (1)   12.3 Laser iridoplasty (1)   12.4 Laser trabeculoplasty and other laser treatment of the angle (0)   12.7 Surgical iridectomy (0)   12.8 Filtering surgery (0)     12.8.1 Without tube implant (5)     12.8.2 With tube implant or other drainage devices (10)     12.8.3 Non-perforating (8)     12.8.4 Using laser (1)     12.8.5 Other (0)     12.8.10 Woundhealing antifibrosis (20)     12.8.11 Complications, endophthalmitis (10)   12.9 Trabeculotomy, goniotomy (1)   12.10 Cyclodestruction (1)   12.11 Cyclodialysis (0)   12.12 Cataract extraction (0)     12.12.1 Intracapsular (0)     12.12.2 Extracapsular (1)     12.12.3 Phacoemulsification (4)   12.14 Combined cataract extraction and glaucoma surgery (0)     12.14.1 Intracapsular (0)     12.14.2 Extracapsular (0)     12.14.3 Phacoemulsification (5)   12.15 Capsulotomy (0)   12.16 Vitrectomy (0)   12.17 Anesthesia (0)   12.20 Other (2) 13 Therapeutic prognosis and outcome (0)   13.1 Prognostic factors (0)   13.2 Outcome (0)     13.2.1 IOP (0)     13.2.2 Visual field (0)       13.2.2.1 Progression (0)       13.2.2.2 Improvement (0)     13.2.3 Other (0) 14 Costing studies; pharmacoeconomics (0) 15 Miscellaneous (7)

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Abstract #8517 Published in IGR 5-1

The effect of phosphodiesterase type 3 inhibitor on chorio-retinal blood flow in rabbits eyes

Uchida H; Tomita G; Hoshina F; Mochizuki N; Kitazawa Y
Nippon Ganka Gakkai Zasshi 2002; 106: 615-620

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PURPOSE: To investigate the ocular effect of the intravenous administration of a phosphodiesterase type 3 inhibitor (NSP-805) and to compare the effect of NSP-805 with that of a calcium antagonist (nicardipine hydrochloride) on chorioretinal blood flow in anesthetized albino rabbits. METHODS: Twenty-four female albino rabbits (weighing 2.0-4.0 kg) were anesthetized with intravenous injection. NSP-805(40 μg/kg and 100 μg/kg) and nicardipine of 40 μg/kg were intravenously administered to the anesthetized rabbits. Intravenously administration of 20% dimethyl sulfoxide (DMSO) was used as a vehicle. Chorioretinal blood flow was measured with a laser Doppler flowmeter at baseline and every 20 minutes after intravenous administration for 120 minutes. Heart rate and systemic blood pressure were monitored. Baseline measurements were compared every ten minutes after intravenous administration. Differences between the drug groups and vehicle group were analyzed. RESULTS: After administration of a low dose of NSP-805 (40 μg/kg) and nicardipine (40 μg/kg), chorioretinal blood flow was significantly increased (p < 0.05). A high dose of NSP-805(100 μg/kg) reduced systemic blood pressure significantly, but the increase of chorioretinal blood flow was less than that at the low dose of NSP-805 (40 μg/kg) and nicardipine (40 μg/kg). Chorioretinal blood flow in the NSP-805(40 μg/kg) and nicardipine (40 μg/kg) groups was significantly increased over that in the control group (20% DMSO) (p < 0.05). CONCLUSION: The results suggest that the NSP-805 has the potential of increasing chorioretinal blood flow in rabbit eyes.LA: Japanese

Dr. H. Uchida, Department of Ophthalmology, Gifu University School of Medicine, 40 Tsukasa-machi, Gifu 500-8705, Japan

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Classification:

11.7 Treatment of bloodflow (Part of: 11 Medical treatment)

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