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2014 ; 28
(9
): 1107-12
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Classifications of vitreomacular traction syndrome: diameter vs morphology
#MMPMID24993318
Bottós J
; Elizalde J
; Rodrigues EB
; Farah M
; Maia M
Eye (Lond)
2014[Sep]; 28
(9
): 1107-12
PMID24993318
show ga
PURPOSE: The aim of this study is to analyze the agreement between the
classifications based on morphology and diameter of vitreomacular traction (VMT)
syndrome, as well as to correlate the morphological findings of VMT with specific
maculopathies. METHODS: Fifty-three eyes with VMT syndrome were categorized into
two classifications based on optical coherence tomography images: the VMT
morphology (V- or J-shaped) and the diameter of adhesion (focal ? 1500 ?m or
broad>1500 ?m). RESULTS: High correlation was seen between V-shaped and focal-VMT
and between J-shaped and broad-VMT (kappa=0.850; P<0.001), except in four cases
with broad adhesion despite the presence of a V-shaped pattern. These four cases
had common characteristics to those with broad vitreal attachment regarding
associated maculopathies and visual function. V-shaped VMT (n=29) and focal-VMT
(n=25) led to tractional cystoid macular edema (CME; 79.31% and 84%,
respectively) and macular hole (MH; 37.93% and 44%); J-shaped VMT (n=24) and
broad-VMT (n=28) were associated with epiretinal membranes (ERMs; 91.66% and
92.85%, respectively) and diffuse retinal thickening (62.50% and 64.28%). The
best-corrected visual acuity (BCVA) was not significantly different between the
groups (BCVA logarithm of the minimum angle of resolution: V-shaped, 0.45;
J-shaped, 0.46; P=0.816; and focal, 0.50; broad, 0.42; P=0.198). CONCLUSIONS:
Although highly concordant, the classification based on the diameter of the
adhesion and not on the classical adhesion morphology seemed to better reflect
the specific macular changes. V-shaped and focal VMT led to tractional CME and
MH, while J-shaped and broad VMT were associated with ERM and diffuse retinal
thickening.