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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Invest+Ophthalmol+Vis+Sci
2014 ; 55
(12
): 8173-9
Nephropedia Template TP
gab.com Text
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Baseline OCT measurements in the idiopathic intracranial hypertension treatment
trial, part II: correlations and relationship to clinical features
#MMPMID25370513
Auinger P
; Durbin M
; Feldon S
; Garvin M
; Kardon R
; Keltner J
; Kupersmith MJ
; Sibony P
; Plumb K
; Wang JK
; Werner JS
Invest Ophthalmol Vis Sci
2014[Nov]; 55
(12
): 8173-9
PMID25370513
show ga
PURPOSE: The accepted method to evaluate and monitor papilledema, Frisén grading,
uses an ordinal approach based on descriptive features. Part I showed that
spectral-domain optical coherence tomography (SD-OCT) in a clinical trial setting
provides reliable measurement of the effects of papilledema on the optic nerve
head (ONH) and peripapillary retina, particularly if a 3-D segmentation method is
used for analysis.(1) We evaluated how OCT parameters are interrelated and how
they correlate with vision and other clinical features in idiopathic intracranial
hypertension (IIH) patients. METHODS: A total of 126 subjects in the IIH
Treatment Trial (IIHTT) OCT substudy had Cirrus SD-OCT optic disc and macula
scans analyzed by using a 3-D segmentation algorithm to derive retinal nerve
fiber layer (RNFL) thickness, total retinal thickness (TRT), retinal ganglion
cell layer plus inner plexiform layer (GCL+IPL) thickness, and ONH volume. The
SD-OCT parameter values were correlated with high- and low-contrast acuity,
perimetric mean deviation, Frisén grading, and IIH features. RESULTS: At study
entry, the average RNFL thickness, TRT, and ONH volume showed significant strong
correlations (r ? 0.90) with each other. The same OCT parameters showed a strong
(r > 0.76) correlation with Frisén grade and a mild (r > 0.24), but significant,
correlation with lumbar puncture opening pressure. For all eyes at baseline,
neither visual acuity (high or low contrast) nor mean deviation correlated with
any OCT measure of swelling or GCL+IPL thickness. CONCLUSIONS: In newly diagnosed
IIH, OCT demonstrated alterations of the peripapillary retina and ONH correlate
with Frisén grading of papilledema. At presentation, OCT measures of papilledema,
in patients with newly diagnosed IIH and mild vision loss, do not correlate with
clinical features or visual dysfunction. (ClinicalTrials.gov number,
NCT01003639.).