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Erichev VP, Antonov AA, Vitkov AA, Grigoryan LA. [Static automated perimetry in the diagnosis of glaucoma. Assessment of disease progression]. Vestn Oftalmol 2023; 139:96-104. [PMID: 37942603 DOI: 10.17116/oftalma202313905196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
There are several ways to assess glaucoma progression using standard automated perimetry. Most often, ophthalmologists evaluate the stability of visual functions manually when comparing several study protocols. The advantages of clinical assessment are ease of implementation and the ability to interpret data from any device. The main disadvantage of this method is its subjectivity. There are many available automated methods for assessing disease progression involving Humphrey Field Analyzer and Octopus perimeters. Event analysis allows determining glaucoma progression at the time of examination, with consideration of the possible physiological fluctuations in light sensitivity. Trend analysis of perimetric indices makes it possible to assess the rate of glaucoma progression and forecast the trend of changes in visual functions over the next five years. All these methods for assessing progression have certain advantages and disadvantages and cannot be considered ideal. Pointwise and cluster trend analysis are more sensitive in early glaucoma and are being actively researched and developed. These methods have great potential, although they are not yet sufficiently available in clinical practice.
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Affiliation(s)
- V P Erichev
- Krasnov Research Institute of Eye Diseases, Moscow, Russia
| | - A A Antonov
- Krasnov Research Institute of Eye Diseases, Moscow, Russia
| | - A A Vitkov
- Krasnov Research Institute of Eye Diseases, Moscow, Russia
| | - L A Grigoryan
- MedTech Innovation - Skolkovo Research Center, Moscow, Russia
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Ratanawongphaibul K, Tsikata E, Zemplenyi M, Lee H, Margeta MA, Ondeck CL, Kim J, Pan BX, Petrakos P, Coleman AL, Yu F, de Boer JF, Chen TC. Earlier Detection of Glaucoma Progression Using High-Density 3-Dimensional Spectral-Domain OCT Optic Nerve Volume Scans. Ophthalmol Glaucoma 2021; 4:604-616. [PMID: 33774215 PMCID: PMC8463625 DOI: 10.1016/j.ogla.2021.03.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 03/09/2021] [Accepted: 03/11/2021] [Indexed: 01/17/2023]
Abstract
PURPOSE To compare onset times of glaucoma progression among different glaucoma tests: disc photography (DP), visual field (VF) testing, 2-dimensional (2D) retinal nerve fiber layer (RNFL) thickness, and 3-dimensional (3D) spectral-domain (SD) OCT neuroretinal rim measurements. DESIGN Prospective, longitudinal cohort study. PARTICIPANTS One hundred twenty-four eyes of 124 patients with open-angle glaucoma. METHODS Over a 5-year period, 124 patients with open-angle glaucoma underwent yearly DP, VF testing, SD OCT RNFL thickness scans, and optic nerve volume scans (Spectralis; Heidelberg Engineering), all performed on the same day. From high-density optic nerve volume scans, custom-built software calculated the minimum distance band (MDB) thickness, a 3D neuroretinal rim parameter. Patients were classified as glaucoma progressors or nonglaucoma progressors using event-based analysis. Progression by DP and VF testing occurred when 3 masked glaucoma specialists unanimously concurred. Progression by RNFL and MDB thickness occurred if change of more than test-retest variability was observed. Kaplan-Meier curves were constructed to analyze time-to-progression data. Kappa Coefficients were used to measure agreement of progressing eyes among methods. MAIN OUTCOME MEASURES Time to glaucoma progression among all 4 methods. RESULTS Global MDB thickness detected glaucoma progression in the highest percentage of eyes (52.4%) compared with DP (16.1%; P < 0.001) and global RNFL thickness (15.3%; P < 0.001). Global MDB thickness detected glaucoma progression earlier than either DP (23 months vs. 44 months; P < 0.001) or global RNFL thickness (23 months vs. 33 months; P < 0.001). Among MDB progressing eyes, 46.2% were confirmed simultaneously or later by other conventional methods. Agreement of glaucoma-progressing eyes for all 4 methods in paired fashion were slight to fair (κ = 0.095-0.300). CONCLUSIONS High-density 3D SD OCT neuroretinal rim measurements detected glaucoma progression approximately 1 to 2 years earlier compared with current clinically available structural tests (i.e., DP and 2D RNFL thickness measurements).
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Affiliation(s)
- Kitiya Ratanawongphaibul
- Department of Ophthalmology, Glaucoma Service, Massachusetts Eye and Ear, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts; Glaucoma Research Unit, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Edem Tsikata
- Department of Ophthalmology, Glaucoma Service, Massachusetts Eye and Ear, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts
| | - Michele Zemplenyi
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Hang Lee
- Harvard Medical School, Boston, Massachusetts; Massachusetts General Hospital, Biostatistics Center, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts
| | - Milica A Margeta
- Department of Ophthalmology, Glaucoma Service, Massachusetts Eye and Ear, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts
| | - Courtney L Ondeck
- Department of Ophthalmology, Glaucoma Service, Massachusetts Eye and Ear, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts; Department of Ophthalmology, VA Boston Hospital, Boston, Massachusetts
| | - Janice Kim
- Harvard Medical School, Boston, Massachusetts
| | - Billy X Pan
- Department of Ophthalmology, Glaucoma Service, Massachusetts Eye and Ear, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts; Beverly Hills Institute of Ophthalmology, Beverly Hills, California
| | - Paul Petrakos
- Department of Ophthalmology, Glaucoma Service, Massachusetts Eye and Ear, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts; Department of Ophthalmology, New York Presbyterian/Weill Cornell Medicine, New York, New York
| | - Anne L Coleman
- Department of Ophthalmology, Stein Eye Institute, University of California, Los Angeles, California
| | - Fei Yu
- Department of Ophthalmology, Stein Eye Institute, University of California, Los Angeles, California; Department of Biostatistics, UCLA Fielding School of Public Health, Los Angeles, California
| | - Johannes F de Boer
- LaserLaB Amsterdam, Department of Physics and Astronomy, Vrijie Universiteit, and Department of Ophthalmology, Vrijie Universiteit Medical Center, Amsterdam, The Netherlands
| | - Teresa C Chen
- Department of Ophthalmology, Glaucoma Service, Massachusetts Eye and Ear, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.
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Hu R, Racette L, Chen KS, Johnson CA. Functional assessment of glaucoma: Uncovering progression. Surv Ophthalmol 2020; 65:639-661. [PMID: 32348798 PMCID: PMC7423736 DOI: 10.1016/j.survophthal.2020.04.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 04/13/2020] [Accepted: 04/17/2020] [Indexed: 11/30/2022]
Abstract
Clinicians who manage glaucoma patients carefully monitor the visual field to determine if treatments are effective or interventions are needed. Visual field tests may reflect disease progression or variability among examinations. We describe the approaches and perimetric tests used to evaluate glaucomatous visual field progression and factors that are important for identifying progression. These include stimulus size, which area of the visual field to assess (central versus peripheral), and the testing frequency, evaluating which is important to detect change early while minimizing patient testing burden. We also review the different statistical methods developed to identify change. These include trend- and event-based analyses, parametric and nonparametric tests, population-based versus individualized approaches, as well as pointwise and global analyses. We hope this information will prove useful and important to enhance the management of glaucoma patients. Overall, analysis procedures based on series of at least 5 to 6 examinations that require confirmation and persistence of changes, that are guided by the pattern and shape of the glaucomatous visual field deficits, and that are consistent with structural defects provide the best clinical performance.
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Affiliation(s)
- Rongrong Hu
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Lyne Racette
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham School of Medicine, Birmingham, Alabama, USA.
| | - Kelly S Chen
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham School of Medicine, Birmingham, Alabama, USA
| | - Chris A Johnson
- Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
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Di Ciò F, Garaci F, Minosse S, Passamonti L, Martucci A, Lanzafame S, Di Giuliano F, Picchi E, Cesareo M, Guerrisi MG, Floris R, Nucci C, Toschi N. Reorganization of the structural connectome in primary open angle Glaucoma. Neuroimage Clin 2020; 28:102419. [PMID: 33032067 PMCID: PMC7552094 DOI: 10.1016/j.nicl.2020.102419] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/04/2020] [Accepted: 09/06/2020] [Indexed: 12/18/2022]
Abstract
Primary open angle Glaucoma (POAG) is one of the most common causes of permanent blindness in the world. Recent studies have suggested the hypothesis that POAG is also a central nervous system disorder which may result in additional (i.e., extra-ocular) involvement. The aim of this study is to assess possible structural, whole-brain connectivity alterations in POAG patients. We evaluated 23 POAG patients and 15 healthy controls by combining multi-shell diffusion weighted imaging, multi-shell, multi-tissue probabilistic tractography, graph theoretical measures and a recently designed 'disruption index', which evaluates the global reorganization of brain networks. We also studied the associations between the whole-brain structural connectivity measures and indices of visual acuity including the field index (VFI) and two Optical Coherence Tomography (OCT) parameters, namely the Macula Ganglion Cell Layer (MaculaGCL) and Retinal Nerve Fiber Layer (RNFL) thicknesses. We found both global and local structural connectivity differences between POAG patients and controls, which extended well beyond the primary visual pathway and were localized in the left calcarine gyrus (clustering coefficient p = 0.036), left lateral occipital cortex (clustering coefficient p = 0.017, local efficiency p = 0.035), right lingual gyrus (clustering coefficient p = 0.009), and right paracentral lobule (clustering coefficient p = 0.009, local efficiency p = 0.018). Group-wise (clustering coefficient, p = 6.59∙10-7 and local efficiency p = 6.23·10-8) and subject-wise disruption indices (clustering coefficient, p = 0.018 and local efficiency, p = 0.01) also differed between POAG patients and controls. In addition, we found negative associations between RNFL thickness and local measures (clustering coefficient, local efficiency and strength) in the right amygdala (local efficiency p = 0.008, local strength p = 0.016), right inferior temporal gyrus (clustering coefficient p = 0.036, local efficiency p = 0.042), and right temporal pole (local strength p = 0.008). Overall, we show, in patients with POAG, a whole-brain structural reorganization that spans across a variety of brain regions involved in visual processing, motor control, and emotional/cognitive functions. We also identified a pattern of brain structural changes in relation to POAG clinical severity. Taken together, our findings support the hypothesis that the reduction in visual acuity from POAG can be driven by a combination of local (i.e., in the eye) and more extended (i.e., brain) effects.
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Affiliation(s)
- Francesco Di Ciò
- Medical Physics Section, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Italy.
| | - Francesco Garaci
- Neuroradiology Unit, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy; San Raffaele Cassino, Frosinone, Italy
| | - Silvia Minosse
- Medical Physics Section, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Italy
| | - Luca Passamonti
- Institute of Bioimaging and Molecular Physiology, National Research Council, Milano, Italy; Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK.
| | - Alessio Martucci
- Ophthalmology Unit, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Simona Lanzafame
- Medical Physics Section, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Italy
| | - Francesca Di Giuliano
- Neuroradiology Unit, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy
| | - Eliseo Picchi
- Diagnostic Imaging Unit, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy
| | - Massimo Cesareo
- Ophthalmology Unit, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Maria Giovanna Guerrisi
- Medical Physics Section, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Italy
| | - Roberto Floris
- Diagnostic Imaging Unit, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy
| | - Carlo Nucci
- Ophthalmology Unit, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Nicola Toschi
- Medical Physics Section, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Italy; Athinoula A. Martinos Center for Biomedical Imaging and Harvard Medical School, Boston, MA, USA.
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Minosse S, Garaci F, Martucci A, Lanzafame S, Di Giuliano F, Picchi E, Cesareo M, Mancino R, Guerrisi M, Pistolese CA, Floris R, Nucci C, Toschi N. Primary Open Angle Glaucoma Is Associated With Functional Brain Network Reorganization. Front Neurol 2019; 10:1134. [PMID: 31708862 PMCID: PMC6823877 DOI: 10.3389/fneur.2019.01134] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 10/10/2019] [Indexed: 01/21/2023] Open
Abstract
Background: Resting-state functional magnetic resonance imaging (rs-fMRI) is commonly employed to study changes in functional brain connectivity. The recent hypothesis of a brain involvement in primary open angle Glaucoma has sprung interest for neuroimaging studies in this classically ophthalmological pathology. Object: We explored a putative reorganization of functional brain networks in Glaucomatous patients, and evaluated the potential of functional network disruption indices as biomarkers of disease severity in terms of their relationship to clinical variables as well as select retinal layer thicknesses. Methods: Nineteen Glaucoma patients and 16 healthy control subjects (age: 50–76, mean 61.0 ± 8.2 years) underwent rs-fMRI examination at 3T. After preprocessing, rs-fMRI time series were parcellated into 116 regions using the Automated Anatomical Labeling atlas and adjacency matrices were computed based on partial correlations. Graph-theoretical measures of integration, segregation and centrality as well as group-wise and subject-wise disruption index estimates (which use regression of graph-theoretical metrics across subjects to quantify overall network changes) were then generated for all subjects. All subjects also underwent Optical Coherence Tomography (OCT) and visual field index (VFI) quantification. We then examined associations between brain network measures and VFI, as well as thickness of retinal nerve fiber layer (RNFL) and macular ganglion cell layer (MaculaGCL). Results: In Glaucoma, group-wise disruption indices were negative for all graph theoretical metrics. Also, we found statistically significant group-wise differences in subject-wise disruption indexes in all local metrics. Two brain regions serving as hubs in healthy controls were not present in the Glaucoma group. Instead, three hub regions were present in Glaucoma patients but not in controls. We found significant associations between all disruption indices and VFI, RNFL as well as MaculaGCL. The disruption index based on the clustering coefficient yielded the best discriminative power for differentiating Glaucoma patients from healthy controls [Area Under the ROC curve (AUC) 0.91, sensitivity, 100%; specificity, 78.95%]. Conclusions: Our findings support a possible relationship between functional brain changes and disease severity in Glaucoma, as well as alternative explanations for motor and cognitive symptoms in Glaucoma, possibly pointing toward an inclusion of this pathology in the heterogeneous group of disconnection syndromes.
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Affiliation(s)
- Silvia Minosse
- Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy
| | - Francesco Garaci
- Neuroradiology Unit, Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy.,San Raffaele Cassino, Cassino, Italy
| | - Alessio Martucci
- Ophthalmology Unit, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Simona Lanzafame
- Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy
| | - Francesca Di Giuliano
- Diagnostic Imaging Unit, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Eliseo Picchi
- Diagnostic Imaging Unit, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Massimo Cesareo
- Ophthalmology Unit, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Raffaele Mancino
- Ophthalmology Unit, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Maria Guerrisi
- Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy
| | - Chiara Adriana Pistolese
- Diagnostic Imaging Unit, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Roberto Floris
- Diagnostic Imaging Unit, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Carlo Nucci
- Ophthalmology Unit, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Nicola Toschi
- Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy.,Athinoula A. Martinos Center for Biomedical Imaging, Harvard Medical School, Boston, MA, United States
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