期刊
CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY
卷 47, 期 5, 页码 621-630出版社
WILEY
DOI: 10.1111/ceo.13462
关键词
age-related macular degeneration; fluorescein angiography; multicolour imaging; ophthalmic imaging; polypoidal choroidal vasculopathy
资金
- National Medical Research Council [NMRC/TA/0039/2015]
- Tan Tock Seng Hospital Center Grant [NMRC/CG/M012/2017]
Importance Multicolour is a new imaging technology and its sensitivity for detecting polypoidal choroidal vasculopathy (PCV) and age-related macular degeneration (AMD) has not been well described. Background To evaluate the accuracy of multicolour imaging compared to colour fundus photography (CFP) in differentiating AMD and PCV from normal eyes, and in detecting PCV. Design Prospective cohort study at a tertiary referral centre. Participants Fifty consecutive patients with PCV or AMD. Methods Standardized multimodal imaging, including CFP, multicolour imaging, and fluorescein and indocyanine green angiography, were graded by a Central Reading Center using standardized grading protocols. Main Outcomes and Measures Sensitivity, specificity, positive and negative predictive values (PPV and NPV). Results Of 100 eyes, 44 had PCV, 33 had AMD, and 23 were normal. Multicolour imaging had higher specificity (73.9% vs 52.2%) and NPV (94% vs 85.7%) compared to CFP for detecting all types of AMD. For the detection of PCV, multicolour had higher sensitivity (86.4% vs 59.1%) and NPV (89.3% vs 74.3%). Polypoidal lesions were detected in 39 of 44 eyes (88.6%) using multicolour imaging, while the branching vascular network (BVN) was detected in 16 of 44 eyes (36.4%). Using BVN as a parameter, infrared imaging specificity and PPV for detecting PCV were 96.6% and 88.9%, respectively. Conclusions and Relevance Multicolour imaging is superior to standard CFP in differentiating AMD and PCV from normal eyes, and in detecting features of PCV. Specific features seen on multicolour imaging can alert ophthalmologists to the likely presence of these diseases so that additional definitive investigations can be performed.
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