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Luo M, Zhu Y, Xiao H, Huang J, Ling J, Huang H, Li Y, Zhuo Y. Characteristic Assessment of Angiographies at Different Depths with AS-OCTA: Implication for Functions of Post-Trabeculectomy Filtering Bleb. J Clin Med 2022; 11:jcm11061661. [PMID: 35329987 PMCID: PMC8949979 DOI: 10.3390/jcm11061661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/23/2022] [Accepted: 03/09/2022] [Indexed: 11/16/2022] Open
Abstract
This study aimed to analyze the quantitative vascular biomarkers of filtering bleb function at different depths using anterior segment optical coherence tomography angiography (AS-OCTA). This cross-sectional study is registered on Clinicaltrails.gov (NCT 04515017). Forty-six eyes with primary open-angle glaucoma that had undergone trabeculectomy with mitomycin-C for more than six months were included. Vessel density (VD) and vessel diameter index (VDI) in the superficial layer (SL), Tenon’s layer (TL), and deep layer (DL) of the bleb were obtained. The VD and VDI were higher in the failure group (both p = 0.000). Significant correlations were found between the SL, TL, DL’s VDI, and IOP in the success group (p = 0.013, 0.016, 0.031, respectively). The VD of the TL and DL were related to IOP in the failure group (p = 0.012, 0.009). Tenon’s VD (TVD) and Tenon’s VDI (TVDI) correlated with IOP adjusting for TVD, TVDI, and the Indiana Bleb Appearance Grading Scale (IBAGS) (p = 0.009, 0.043) or Kenfeld grading system (KGS) (p = 0.011, 0.016). The area under curve (AUC) of the TVD, TVDI, IBAGS, and KGS to predict surgery failure were 0.960, 0.925, 0.770, and 0.850. AS-OCTA realized the quantitative evaluation of vessels, especially the invisible vascularity beneath the conjunctiva. TVD and TVDI as detected by AS-OCTA better reflected bleb function than conventional grading systems.
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Affiliation(s)
- Man Luo
- State Key Laboratory of Ophthalmology, Guangzhou 510060, China; (M.L.); (Y.Z.); (H.X.); (J.H.); (J.L.); (H.H.)
- Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
- Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China
| | - Yingting Zhu
- State Key Laboratory of Ophthalmology, Guangzhou 510060, China; (M.L.); (Y.Z.); (H.X.); (J.H.); (J.L.); (H.H.)
- Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
- Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China
| | - Hui Xiao
- State Key Laboratory of Ophthalmology, Guangzhou 510060, China; (M.L.); (Y.Z.); (H.X.); (J.H.); (J.L.); (H.H.)
- Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
- Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China
| | - Jingjing Huang
- State Key Laboratory of Ophthalmology, Guangzhou 510060, China; (M.L.); (Y.Z.); (H.X.); (J.H.); (J.L.); (H.H.)
- Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
- Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China
| | - Jin Ling
- State Key Laboratory of Ophthalmology, Guangzhou 510060, China; (M.L.); (Y.Z.); (H.X.); (J.H.); (J.L.); (H.H.)
- Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
- Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China
| | - Haishun Huang
- State Key Laboratory of Ophthalmology, Guangzhou 510060, China; (M.L.); (Y.Z.); (H.X.); (J.H.); (J.L.); (H.H.)
- Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
- Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China
| | - Yiqing Li
- State Key Laboratory of Ophthalmology, Guangzhou 510060, China; (M.L.); (Y.Z.); (H.X.); (J.H.); (J.L.); (H.H.)
- Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
- Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China
- Correspondence: (Y.L.); (Y.Z.)
| | - Yehong Zhuo
- State Key Laboratory of Ophthalmology, Guangzhou 510060, China; (M.L.); (Y.Z.); (H.X.); (J.H.); (J.L.); (H.H.)
- Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
- Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
- Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China
- Correspondence: (Y.L.); (Y.Z.)
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