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  • Title: Flattening of retinal pigment epithelial detachments after pneumatic displacement of submacular hemorrhages secondary to age-related macular degeneration.
    Author: Kimura M, Yasukawa T, Shibata Y, Kato A, Hirano Y, Uemura A, Yoshida M, Ogura Y.
    Journal: Graefes Arch Clin Exp Ophthalmol; 2018 Oct; 256(10):1823-1829. PubMed ID: 29961921.
    Abstract:
    PURPOSE: Pneumatic displacement of submacular hemorrhages (SMHs) with intravitreal injection of sulfur hexafluoride (SF6) gas with or without tissue plasminogen activator (tPA) and prone posturing is an effective minimally invasive treatment. We observed some cases in which simultaneous flattening of hemorrhagic pigment epithelial detachments (PEDs) occurred after prone posturing. This study evaluated the impact of pneumatic displacement using tPA to treat PEDs and visual outcomes in eyes with SMHs secondary to neovascular age-related macular degeneration (AMD). METHODS: This retrospective analysis reviewed the medical records of 32 patients (33 eyes) who underwent pneumatic displacement for AMD-associated SMHs. The SMHs were related to polypoidal choroidal vasculopathy (PCV) in 24 eyes and typical AMD in nine eyes and treated with intravitreal injection of SF6 gas with tPA. We assessed the postoperative best-corrected visual acuities (BCVAs), prevalence and flattening rates of the PEDs, and the number of additional treatments. RESULTS: The mean follow-up period was 35.4 ± 19.8 months. The BCVAs improved significantly in eyes with PCV compared with eyes with typical AMD. Thirty-one (93.9%) of 33 eyes had an accompanying PED. The PEDs flattened in 14 (58.3%) of 24 eyes with PCV but in only one (14.3%) of seven eyes with typical AMD (p = 0.04). A mean of one additional treatment was administered during the first year in 15 eyes with flattened PEDs, which was significantly (p < 0.05) fewer than the 3.6 additional treatments in 16 eyes with persistent PEDs. CONCLUSIONS: PEDs often accompany SMHs secondary to neovascular AMD. Pneumatic displacement of the SMHs using tPA unexpectedly flattened the PEDs, especially in eyes with PCV, and was associated with fewer additional treatments.
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