Effects of prostaglandin F2 alpha and leukotriene D4 on pupil size, intraocular pressure, and blood-aqueous barrier in dogs
1992
Dziezyc, J. | Millichamp, N.J. | Keller, C.B. | Smith, W.B.
In each of 5 groups of dogs, 0.05 ml of 1 of the following solutions was injected into the anterior chamber of both eyes: phosphate-buffered saline solution, 0.001 microg of prostaglandin F2 alpha (PGF2 alpha), 0.01 microg of PGF2 alpha, 0.1 microg of leukotriene D4 (LTD4), and 1 microg of LTD4. A 10% solution of sodium fluorescein was injected IV (14 mg/kg of body weight) at the same time, and pupil size, intraocular pressure, and anterior chamber fluorescence were measured for 1 hour after injections. In a dose-dependent manner, Pgf2 alpha was a potent miotic. A significant effect on intraocular pressure was not detected when the groups given PGF2 alpha were compared with the control group. When compared with LTD4, PGF2 alpha Significantly (P < 0.05) increased the breakdown of the blood-aqueous barrier, as evidenced by increased fluorescein leakage into the anterior chamber. Leukotriene D4 caused a decrease in pupil size only at 5 minutes, compared with that of the control group. Intraocular pressure was greater (but not significantly) in the group given 1 microg of LTD4.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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