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Quantification of contrast recognizability in sequential epiretinal membrane removal and internal limiting membrane peeling in trypan blue-assisted macular surgery
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 2562355
Author(s) Henrich, Paul B; Priglinger, Siegfried G; Haritoglou, Christos; Schumann, Ricarda G; Strauss, Rupert W; Schneider, Ulrike; Josifova, Tatjana; Cattin, Philippe C
Author(s) at UniBasel Cattin, Philippe Claude
Year 2013
Title Quantification of contrast recognizability in sequential epiretinal membrane removal and internal limiting membrane peeling in trypan blue-assisted macular surgery
Journal Retina
Volume 33
Number 4
Pages / Article-Number 818-24
Keywords TB, trypan blue, BBG, brilliant blue G, chromovitrectomy, contrast perception, epiretinal membranes, ERM, internal limiting membrane, ILM
Abstract Purpose: To evaluate the selectivity and strength of intraoperative trypan blue staining during removal of epiretinal membranes (ERMs) and the internal limiting membrane.Methods: Based on intraoperative videos, 51 consecutive chromovitrectomies in 51 patients with macular holes, macular pucker, vitreomacular traction syndromes, or persistent macular edema were retrospectively studied. Fifteen subjects underwent trypan blue, 14 indocyanine green, and 22 brilliant blue G chromovitrectomy. The main outcome measure was the color contrast between stained internal limiting membrane or ERM and the underlying unstained tissue by means of objective, quantitative, semiautomated chromaticity difference measurements.Results: Trypan blue stains both ERM and the internal limiting membrane (average chromaticity scores 8.51 and 7.09, respectively; P = 0.48). Internal limiting membrane chromaticity scores were similar for trypan blue (7.09) and brilliant blue G (6.81; P = 0.71) but clearly higher for indocyanine green (15.81; P = 2.45 +/- 10(-5)).Conclusion: Under the premises of our study, trypan blue stains both ERM and the internal limiting membrane. Trypan blue's staining capacity of the internal limiting membrane is similar to that of brilliant blue G but significantly inferior compared with indocyanine green. Trypan blue, thus, represents a useful vital dye for chromovitrectomy, particularly in the presence of ERM, where it allows a sequential approach. RETINA 33:818-824, 2013
Publisher Lippincott
ISSN/ISBN 0275-004X
edoc-URL http://edoc.unibas.ch/dok/A6308354
Full Text on edoc No
Digital Object Identifier DOI 10.1097/IAE.0b013e318271f250
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/23400078
ISI-Number WOS:000316801900020
Document type (ISI) Journal Article
 
   

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