2006
DOI: 10.1007/s00417-005-0237-7
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Effect of photodynamic therapy on the function of the outer blood-retinal barrier in an in vitro model

Abstract: The combination of a therapeutic concentration of verteporfin and application of non-thermal laser resulted in a morphologically and functionally detectable breakdown of the outer BRB function of the RPE without any damage to the RPE cells themselves in vitro. However, increasing the concentration of verteporfin can result in RPE cell damage.

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Cited by 24 publications
(20 citation statements)
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“…One experimental study showed that PDT with verteporfin resulted in morphologic and functional breakdown of the outer blood-retinal barrier and function of RPE or RPE cells themselves with increasing concentration of verteporfin [33]. …”
Section: Discussionmentioning
confidence: 99%
“…One experimental study showed that PDT with verteporfin resulted in morphologic and functional breakdown of the outer blood-retinal barrier and function of RPE or RPE cells themselves with increasing concentration of verteporfin [33]. …”
Section: Discussionmentioning
confidence: 99%
“…Within the first postoperative week after PDT transient visual disturbances and metamorphopsia have been reported, apparently caused by leakage and consecutive detachment of the neurosensory retina [68,69,70]. Laboratory investigations demonstrated a transient breakdown of the outer blood-retinal barrier after PDT [71]. Additionally, VEGF has been reported to be increased especially in the first days after PDT [72].…”
Section: Current and Future Applications: An Outlookmentioning
confidence: 99%
“…Documented side effects with RPE alterations and vaso-occlusive effects at the level of the choroid may be inhibited by adapting the treatment parameters [53, 54]. The breakdown of the outer blood-retinal barrier [71] and an increased concentration of VEGF following PDT [72] may be reduced by a combined therapy using anti-VEGF prior to PDT [74]. The combined treatment of PDT and anti-VEGF for the treatment of CNV secondary to AMD is an option for the future if the functional results are comparable to anti-VEGF as a monotherapy especially when the number of treatments could be reduced to minimize possible side effects and costs.…”
Section: Current and Future Applications: An Outlookmentioning
confidence: 99%
“…Erst die Möglichkeit der Anfärbung der transparenten ILM mit Indocyaningrün (ICG) hat zu einer großen Akzeptanz dieses Operationsschrittes geführt [26,27]. Aufgrund einer möglicher Toxizität von ICG, abhängig von der Applikationsdauer und der Anwendung unter Luft oder Wasser sowie der Konzentration und Art der Verdünnung, sowie die Abhängigkeit der Beleuchtung führte zu zahlreichen experimentellen und klinischen Studien [28]. Als Folge wurden alternative Farbstoffe hinsichtlich ihrer Färbequalität und Toxizität untersucht [29,30].…”
Section: Op-strategie Bei Makulaforamenunclassified