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Luo B, Liu R, Wang S, Hu W, Li Y, Tong B, Zhang H, Qi X. Utility of isolated-check visual evoked potential technique in dysthyroid optic neuropathy. Graefes Arch Clin Exp Ophthalmol 2023; 261:2031-2040. [PMID: 36642765 PMCID: PMC10271890 DOI: 10.1007/s00417-023-05975-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 12/13/2022] [Accepted: 01/03/2023] [Indexed: 01/17/2023] Open
Abstract
PURPOSE To analyze the utility of isolated-check visual evoked potential (icVEP) for discriminating between eyes with dysthyroid optic neuropathy (DON) and eyes with thyroid-associated ophthalmopathy (TAO) but not DON. METHODS Forty-three eyes with TAO but not DON (as non-DON), fifty-three eyes with DON, and sixty healthy eyes (as controls) were included. Comprehensive ophthalmic examinations, including best-corrected visual acuity, refraction, color vision test, intraocular pressure measurement, slit-lamp biomicroscopy, ophthalmoscopy, RAPD, exophthalmometry measurements, pVEP test, icVEP test, standard automated perimetry, and clinical activity score classification of TAO, as well as demographic information, were collected and analyzed. RESULTS In the DON group, the signal-to-noise ratio (SNR) value of icVEPs decreased significantly compared with that of the non-DON group as well as control (p < 0.05). The SNR values under 8%, 16% and 32% depth of modulation (DOM) were significantly negatively correlated with BCVA (p < 0.05, r = - 0.9 ~ - 0.6), papilledema (Y/N) (p < 0.05, r = - 0.8 ~ 0.4) and DON (Y/N) (p < 0.001, r = - 0.7 ~ - 0.5). The 8% DOM of icVEP had the largest area under the receiver operating characteristic curve (AUC) (0.842) for discriminating DON from non-DONs. Meanwhile, decision curve analysis (DCA) showed that patients clinically benefit most from 8% DOM of icVEP. Furthermore, the 8% DOM of icVEP combing with papilledema (Y/N) and BCVA (Model 1) has significantly larger AUC than the 8% DOM of icVEP (p = 0.0364), and has better clinical benefit in DCA analysis. CONCLUSIONS The SNR of 8% DOM from icVEP may represent a significant ancillary diagnostic method for DON detection. Furthermore, icVEP combined with papilledema (Y/N) and BCVA should be considered as a diagnostic model in future clinical practice.
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Affiliation(s)
- Ban Luo
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Qiaokou District, No.1095, Jiefang Avenue, Wuhan, 430030 Hubei China
- Department of Ophthalmology, Wenchang People’s Hospital, Wenchang, 571321 China
| | - Rong Liu
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Qiaokou District, No.1095, Jiefang Avenue, Wuhan, 430030 Hubei China
| | - Shanluxi Wang
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Qiaokou District, No.1095, Jiefang Avenue, Wuhan, 430030 Hubei China
| | - Weikun Hu
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Qiaokou District, No.1095, Jiefang Avenue, Wuhan, 430030 Hubei China
| | - Yunping Li
- Department of Ophthalmology, the Second Xiangya Hospital, Central South University, No.139, Renmin Middle Road, Changsha, 410011 Hunan China
| | - Boding Tong
- Department of Ophthalmology, the Second Xiangya Hospital, Central South University, No.139, Renmin Middle Road, Changsha, 410011 Hunan China
| | - Hong Zhang
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Qiaokou District, No.1095, Jiefang Avenue, Wuhan, 430030 Hubei China
| | - Xin Qi
- Department of Ophthalmology, the Second Xiangya Hospital, Central South University, No.139, Renmin Middle Road, Changsha, 410011 Hunan China
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