دورية أكاديمية
Clinical significance of B-scan averaging with SD-OCT.
| العنوان: | Clinical significance of B-scan averaging with SD-OCT. |
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| المؤلفون: | Pappuru RR; Doheny Image Reading Center, Doheny Eye Institute, Keck School of Medicine of the University of Southern California, Los Angeles, California 90033, USA., Briceno C, Ouyang Y, Walsh AC, Sadda SR |
| المصدر: | Ophthalmic surgery, lasers & imaging : the official journal of the International Society for Imaging in the Eye [Ophthalmic Surg Lasers Imaging] 2012 Jan-Feb; Vol. 43 (1), pp. 63-8. Date of Electronic Publication: 2011 Sep 15. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Slack, Inc Country of Publication: United States NLM ID: 101155780 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1938-2375 (Electronic) Linking ISSN: 15428877 NLM ISO Abbreviation: Ophthalmic Surg Lasers Imaging Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Thorofare, NJ : Slack, Inc., 2003- |
| مواضيع طبية MeSH: | Image Processing, Computer-Assisted/*methods , Retina/*anatomy & histology , Tomography, Optical Coherence/*methods, Basement Membrane/anatomy & histology ; Humans ; Retinal Pigment Epithelium/anatomy & histology ; Retrospective Studies |
| مستخلص: | Averaging multiple scans is a potential advantage of optical coherence tomography. The authors evaluate the qualitative benefits of B-scan averaging on the visualization of outer retinal structures. A retrospective analysis was performed on Cirrus OCT (Carl Zeiss Meditec, Dublin, CA) B-scans from 1 eye of 35 patients referred to the imaging unit who underwent three types of scan acquisitions: no averaging, 4× averaging, and 20× averaging. Masked assessment of quality was made using a qualitative scale of 0 (worst) to 3 according to the ability to identify structure, brightness, and continuity. Quality scores consistently improved with 4× averaging, but improved only slightly further with 20×. Averaging appeared to have a statistically significant beneficial effect for the assessment of the external limiting membrane and outer nuclear layer (P < .05), with no significant benefit for visualization of the retinal pigment epithelium and inner segment/outer segment junction. The benefits of oversampling or averaging B-scans for visualizing outer retinal substructures are apparent even when averaging relatively few frames. These findings may be helpful when designing acquisition protocols in clinical trials and clinical practice. (Copyright 2012, SLACK Incorporated.) |
| تواريخ الأحداث: | Date Created: 20110917 Date Completed: 20120327 Latest Revision: 20220309 |
| رمز التحديث: | 20231215 |
| DOI: | 10.3928/15428877-20110908-02 |
| PMID: | 21919433 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1938-2375 |
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| DOI: | 10.3928/15428877-20110908-02 |