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Hindi Novel procedure of treating sub-macular haemorrhage (SMH) with only pneumatic displacement (PD)
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Copyright: © 2020 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Abstract
Sub macular haemorrhage results from Choroidal and retinal vessel abnormalities. Sub macular haemorrhage frequently results from a Choroidal neovascular membrane secondary to age-related macular degeneration. Other conditions related to CNVM, including myopia, trauma, ocular histoplasmosis and angioid streaks, also can cause sub macular hemorrhage.1-3 little , thin SMH can often be observed (See Figure 1), while massive submacular haemorrhages often have a poor prognosis no matter intervention.1 Thick, medium-sized subretinal hemorrhages that reach under the macula and obscure the underlying retinal pigment epithelium can also cause significant vision loss; however, they are often amenable to treatment. There are a variety of treatments targeted at the removal or displacement of the hemorrhage. Some techniques are office-based, while others are performed in the operating room. Pneumatic displacement of SMH (with and without tissue plasminogen activator [t-PA]) is an office-based procedure first described by Wilson J. Heriot, MD, in 1996 and has shown some success in subsequent small case series.5-8 This technique attempts to physically displace the SMH out of the fovea using expansile gas.
