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NEGATIVE EFFECTS OF VITAL DYES AFTER UNEVENTFUL VITREOMACULAR SURGERY

Röhrig, Stephan, MD*; Farecki, Marie-Louise, MD; Boden, Karl T., MD*; Haus, Arno, MD*; Gutfleisch, Matthias, MD; Jung, Sascha, PhD; Lommatzsch, Albrecht, MD; Szurman, Peter, MD*; Januschowski, Kai, MD*

doi: 10.1097/IAE.0000000000002231
Original Study: PDF Only

Purpose: Vital dyes have become a clinical standard during chromovitrectomy but toxicity remains an issue. We compared the clinical outcome of one supposedly toxic vital dye (AV 17 with 5% mannitol) with a standard vital dye (MBB Dual) and performed a power analysis for future comparative studies.

Methods: Retrospective analysis of 270 eyes after chromovitrectomy with internal limiting membrane peeling because of macular holes. Primary endpoint was loss in BCVA >2 lines and photoreceptor atrophy as seen on optical coherence tomography examination.

Results: In 173 eyes, staining of the epiretinal membrane and extracellular matrix was performed using MBB (Group A), and in 97 using AV 17-M (Group B). The mean BCVA was not significantly different after more than 3 months and also not in the early postoperative period after surgery between Group A and Group B. The number of patients suffering from a decline in BCVA of two lines and more was not significantly higher in patients of Group B. There was not a significantly higher percentage of patients with an inner segment/outer segment defect.

Conclusion: Our rather homogeneous study showed no significant difference between both dyes. Thousand five hundred patients would need to be examined to find a significant difference in future studies.

The aim of this retrospective study was to investigate negative effects of two vital dyes (AV 17 with 5% mannitol and MBB Dual) after surgery. Because of the results, it is advisable to perform postmarketing analysis to increase patient safety.

*Eye Hospital Sulzbach, Sulzbach/Saar, Germany; and

St Franziskus Eye Hospital Münster, Münster, Germany.

Reprint requests: Stephan Röhrig, MD, Eye Clinic Sulzbach/Saar, An der Klinik 10, Sulzbach 66111, Saar, Germany; e-mail: stephan.roehrig1980@gmail.com

None of the authors has any financial/conflicting interests to disclose.

© 2018 by Ophthalmic Communications Society, Inc.