Figure 1 | Eye

Figure 1

From: Expression of the PDE5 enzyme on human retinal tissue: new aspects of PDE5 inhibitors ocular side effects

Figure 1

PSV and EDV values in ophthalmic artery after sildenafil (100 mg), tadalafil (20 mg) and placebo uptake. After sildenafil uptake, a significant increase (P<0.01) in OA PSV and EDV was observed only at 60 min after drug uptake. After tadalafil uptake a significant increase in OA PSV was observed at 1, 4, 8, 12, 24 (P<0.001), and 36 h (P<0.01). A significant increase in OA EDV values was observed at 1, 4, 8 (P<0.001), and 12 h, 24 h (P<0.01) after drug uptake. EDV, end-diastolic velocity; OA, PSV; peak systolic velocity.

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