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Phosphodiesterase type 5 inhibitors, visual changes, and nonarteritic anterior ischemic optic neuropathy: Is there a link?

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Abstract

Nonarteritic anterior ischemic optic neuropathy (NAION) is the most common acute optic neuropathy and one of the most common causes of sudden vision loss in the elderly. Recently, NAION has been associated with the use of phosphodiesterase type 5 inhibitors (PDE5i) in men with erectile dysfunction (ED). A causal relationship could not be established given the large number of men safely using PDE5i and the limited number of NAION cases reported in these men. ED and NAION share common risk factors; therefore, some men with ED should be expected to develop NAION. However, sudden vision loss or decreased vision in one or both eyes demands immediate cessation of PDE5i use and urgent patient assessment. No causal relationship between PDE5i and the development of NAION exists for the moment, yet physicians should be aware of a possible adverse reaction and inform patients accordingly.

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  1. Second Department of Urology, Papageorgiou General Hospital and Center for Sexual and Reproductive Health, Aristotle University of Thessaloniki, Thessaloniki, Greece

    Konstantinos Hatzimouratidis

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  1. Konstantinos Hatzimouratidis
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Hatzimouratidis, K. Phosphodiesterase type 5 inhibitors, visual changes, and nonarteritic anterior ischemic optic neuropathy: Is there a link?. Curr Urol Rep 8, 482–490 (2007). https://doi.org/10.1007/s11934-007-0053-1

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