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HYPERREFLECTIVE FOVEAL LESION OBSERVED WITH OPTICAL COHERENCE TOMOGRAPHY IN CASES OF EPIRETINAL MEMBRANES WITH A FIRM FOVEAL ATTACHMENT.
MedLine Citation:
PMID:  24776638     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE:: To report the optical coherence tomography (OCT) findings of the firmly attached foveal area and to investigate the functional results and predictive values in correlation to the degree of firmness of the foveal adherence of the epiretinal membrane (ERM).
METHODS:: We retrospectively reviewed the medical records regarding 167 eyes of 166 patients who underwent vitrectomy for the removal of the ERM between January 2009 and December 2012. We evaluated the degree of foveal attachment in all the patients based on the surgical video and reviewed the OCT images. The main and secondary outcome measures were OCT findings including the presence and the size of a highly reflective lesion, visual acuity, and the mean duration of the ERM before surgery.
RESULTS:: An abnormal highly reflective lesion was observed beneath the ERM in the foveal area. We termed this type of finding a "hyperreflective foveal lesion" (HFL). This HFL was present in 22 of 23 eyes (95.7%) with a firm foveal attachment (FFA) and in 2 of 144 eyes (1.4%) without an FFA (P < 0.001). The HFL showed a sensitivity of 96%, specificity of 99%, positive predictive value of 92%, and negative predictive value of 99%, as a predictor of FFA. The mean duration of the ERM before surgery was significantly longer in the group with an FFA than in the group without an FFA (P = 0.029). Regarding the degree of firmness of the adherence in the eyes with an FFA, the group with a greater degree of firmness had a larger HFL as observed with OCT before surgery (P < 0.05). The visual acuity in patients with an FFA was significantly lower than that in patients without an FFA after surgery (P = 0.031).
CONCLUSION:: Visual acuity after surgery was significantly lower in patients with an FFA. The presence of an HFL in the OCT demonstrated a high predictive value for firmness of the foveal attachment. The size of an HFL in the OCT was associated with the degree of firmness and allowed us to predict inner and outer retinal damages after surgery.
Authors:
Hee Chan Koo; Jeong Ah Shin; Won Il Lim; Jun Bum Kim; Yeo Jue Byun; Eun Koo Lee; Young-Hoon Park
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-4-25
Journal Detail:
Title:  Retina (Philadelphia, Pa.)     Volume:  -     ISSN:  1539-2864     ISO Abbreviation:  Retina (Philadelphia, Pa.)     Publication Date:  2014 Apr 
Date Detail:
Created Date:  2014-4-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8309919     Medline TA:  Retina     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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