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Impressum
Functional results after indocyanine green-assisted peeling of the internal limiting membrane for macular pucker
Gass C. A., Haritoglou C., Schaumberger M., Kampik A.
Department of Ophthalmology, Ludwig-Maximilians-University, Mathildenstr. 8; 80336 Munich, Germany
Objective: The staining of the internal limiting membrane (ILM)
with indocyanine green (ICG) is a new variation of macular surgery. This
study was performed to compare functional results after vitrectomy for
macular pucker with and without the use of ICG.
Methods: Surgery was performed by one surgeon (AK) in all patients.
Patients in group 1 (n=9) underwent vitrectomy with the use of ICG, patients
in group 2 (n=18) without the intraoperative application of ICG. Functional
results (best corrected visual acuity, gain in lines, visual field testing)
of this consecutive series were analyzed retrospectively.
Results: There was no statistically significant difference between
group 1 and group 2 concerning best corrected preoperative (median 0,3
and 0,25 respectively) and postoperative visual acuity (median 0,4 and
0,5 respectively). Mean postoperative follow-up time was 3 months in both
groups. While a homogeneous increase in visual acuity (gain in lines 0-9)
was observed in group 2, some patients of group 1 experienced a remarkable
decrease of up to 4 lines. In both groups no visual field defect was observed
postoperatively.
Conclusion: Although there was no statistical significant difference
in mean postoperative visual acuity between both groups, a remarkable
loss of lines was observed in some patients after ICG-assisted peeling.
Wether this is due to the substance itself, more intensive peeling of
the stained and therefore better visible ILM or other mechanisms is subject
of further investigation.