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Better performance of RTVue than Cirrus spectral-domain optical coherence tomography in detecting band atrophy of the optic nerve.
MedLine Citation:
PMID:  22752123     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: To assess the agreement and diagnostic performance between retinal nerve fiber layer (RNFL) thickness measurements obtained using the Cirrus (Carl Zeiss Meditec) and RTVue (Optovue Inc.) devices for detection of band atrophy (BA) in patients with permanent temporal hemianopia. METHODS: In this retrospective study, 26 eyes with BA and 64 control eyes were enrolled. The Cirrus optic disc cube protocol and the RTVue optic nerve head map protocol were used. The Cirrus measurements were extracted and regrouped to be topographically matched with the RTVue measurements. Concordance correlation and 95 % limits of agreement were assessed. Areas under the receiver operating characteristic curves (AUC) and the Spearman's correlation coefficient between average Humphrey total deviation in the temporal hemifield and average RNFL thickness were calculated. RESULTS: RTVue measured consistently thicker values than Cirrus in controls, whereas in eyes with BA, nasal segment measurements from the RTVue were thinner than those obtained using the Cirrus. Each quadrant showed moderate to close agreement in controls, whereas in eyes with BA, the nasal and temporal quadrants exhibited poor agreement. The RTVue measurements demonstrated significantly higher AUCs for nasal segments just above (0.95) and below (0.96) the horizontal meridian than Cirrus measurements (0.80 and 0.66, respectively) and a significant correlation with visual field loss (r(s) = 0.46, P = 0.02 for RTVue vs. r(s) = 0.26, P = 0.22 for Cirrus). CONCLUSIONS: The RTVue RNFL thickness measurements in nasal sectors showed better diagnostic performance in detecting BA and higher correlations with temporal hemianopia than the Cirrus measurements.
Authors:
Makoto Nakamura; Kumiko Ishikawa-Tabuchi; Akiyasu Kanamori; Yuko Yamada; Akira Negi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-1
Journal Detail:
Title:  Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie     Volume:  -     ISSN:  1435-702X     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8205248     Medline TA:  Graefes Arch Clin Exp Ophthalmol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Division of Ophthalmology, Department of Surgery, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan, manakamu@med.kobe-u.ac.jp.
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