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MICROVASCULAR LEAKAGE IS A POOR PROGNOSTIC FACTOR FOR IDIOPATHIC EPIRETINAL MEMBRANE: A Fluorescein Angiography Study
Han Jo Kwon1, Sung Who Park2,3, Ji Eun Lee2,3,4
1Department of Ophthalmology, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, South Korea.
Purpose:
To investigate the angiographic findings assessed using fluorescein angiography and their prognostic values of idiopathic epiretinal membrane.
Methods:
Seventy-three eyes of idiopathic epiretinal membrane that had been followed up for 6 months after surgical treatment were included. Midphase fluorescein angiography images were obtained at baseline. Structural changes, including central subfield macular thickness, intraretinal cystic lesion, and ectopic inner retinal layer on the fovea, were assessed using optical coherence tomography. The main outcome measures were microvascular leakage (ML) and its association with optical coherence tomography findings and best-corrected visual acuity (BCVA).
Results:
Of a total of 73 eyes, 37 showed ML and had worse BCVA (P = 0.040), greater central subfield macular thickness (P = 0.028), and more ectopic inner retinal layer (P < 0.001) than those without ML at baseline. Also, ML was associated with worse postoperative BCVA (P < 0.001) and ectopic inner retinal layers (P < 0.001; P = 0.034) at baseline and 6 months. The baseline factors associated with postoperative BCVA of ≥20/25 were better BCVA (P = 0.027) and the absence of ML (P < 0.001).
Conclusion:
Half of the idiopathic epiretinal membrane eyes showed that ML was associated with inner retinal deformity and poor visual recovery. Fluorescein angiography helped to predict visual prognosis after idiopathic epiretinal membrane surgery.
