alexa Verteporfin photodynamic therapy of six eyes with retinal capillary haemangioma.
Chemical Engineering

Chemical Engineering

Journal of Analytical & Bioanalytical Techniques

Author(s): Sachdeva R, Dadgostar H, Kaiser PK, Sears JE, Singh AD

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Abstract PURPOSE: Single-centre consecutive interventional case series by retrospective chart review to evaluate the efficacy of verteporfin (Visudyne™) photodynamic therapy (PDT) of retinal capillary haemangioma (RCH). METHODS: Following an initial period of observation, six eyes of five patients with RCH (juxtapapillary 3 and extrapapillary (EP) 3) received 1-3 sessions of standard verteporfin PDT upon the development of progressive vision-threatening complications. Four of the five patients had von Hippel-Lindau (VHL) disease. Follow-up included documentation of best-corrected Snellen visual acuity (BCVA), tumour regression, and presence or absence of subretinal fluid (SRF) and/or lipid exudation as assessed by dilated fundus examination (DFE), fundus photos, and optical coherence tomography (OCT). These parameters were documented at 1 week, 1 month, and 3 months following each PDT session and up to 32 months following the first PDT. RESULTS: All eyes showed favourable response to PDT as defined by tumour regression or stabilization as well as improvement of SRF and lipid exudation. BCVA improved or stabilized in three eyes. Three eyes required PDT retreatment for recurrent SRF. Epiretinal membrane (ERM) worsened in three eyes, requiring vitreoretinal surgery at a median of 6 months following PDT. CONCLUSIONS: PDT is a moderately effective treatment for juxtapapillary and EP RCH. In this series, PDT resulted in tumour regression or stabilization as well as in the improvement of SRF and lipid exudation in all cases. However, stabilization or improvement of visual acuity was observed in only 50 per cent of the cases. The treatment benefits may be limited by pre-existing macular changes and worsening of ERM. A larger prospective study is necessary to validate these findings. © 2010 The Authors. Acta Ophthalmologica © 2010 Acta Ophthalmologica Scandinavica Foundation. This article was published in Acta Ophthalmol and referenced in Journal of Analytical & Bioanalytical Techniques

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