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Yesilirmak N, Kurt B, Aktas A, Behar-Cohen F, Bourges JL. Investigation of Choroidal Thickness and Choroidal Vascularity Index in Ocular Rosacea Patients According to Skin Subtypes. Photodiagnosis Photodyn Ther 2024:104288. [PMID: 39053790 DOI: 10.1016/j.pdpdt.2024.104288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Revised: 07/02/2024] [Accepted: 07/22/2024] [Indexed: 07/27/2024]
Abstract
BACKGROUND To compare the choroidal thickness (CT) and choroidal vascularity index (CVI) values in ocular rosacea (OR) patients across skin subtypes of the disease and healthy controls. METHODS This prospective study included 90 eyes of 90 mild-moderate OR patients with different skin subtypes (30 phymatous, 30 papulopustular and 30 erythematotelangiectatic) and 30 eyes of 30 age-gender matched healthy volunteers. After obtaining the enhanced depth imaging optical coherence tomography images, the CT was measured at subfoveal, 1500μm nasal and 1500μm temporal to the fovea, and the CVI was calculated using Image J software in the subfoveal, nasal and temporal areas. RESULTS There was no CT significant difference between OR patients and healthy controls in all regions (p>0.05). CVI values of OR patients were found to be significantly lower in the subfoveal, nasal and temporal regions compared to healthy controls (p=0.02, p=0.01, p=0.01, respectively). No CT difference was detected between the subtypes and healthy controls in all regions (p>0.05). Subfoveal-CVI was significantly lower in the phymatous subtype than the other subtypes and controls (p<0.05), while nasal and temporal-CVI were significantly lower in the phymatous and papulopustular subtypes than the erythematotelangiectatic subtype and controls. CONCLUSION Our study demonstrated no difference between rosacea skin types and healthy controls in terms of CT. Phymatous and papulopustular subtypes were more likely to be affected by chronic inflammation with having lower CVI in most of the regions. Further studies are needed to investigate the association of inflammatory factors with CVI in OR.
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Affiliation(s)
- Nilufer Yesilirmak
- Université Paris Cité, Department of Ophthalmology, Cochin Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; Department of Ophthalmology, Ankara Yildirim Beyazit University, Ankara, Turkey; Department of Ophthalmology, Ankara Bilkent City Hospital, Ankara, Turkey.
| | - Busra Kurt
- Department of Ophthalmology, Ankara Bilkent City Hospital, Ankara, Turkey
| | - Akin Aktas
- Department of Dermatology, Ankara Yildirim Beyazit University, Ankara, Turkey
| | - Francine Behar-Cohen
- Université Paris Cité, Department of Ophthalmology, Cochin Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Jean-Louis Bourges
- Université Paris Cité, Department of Ophthalmology, Cochin Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
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Di Nardo G, Di Pippo M, Zenzeri L, Mennini M, Piccirillo M, Furio S, Quatrale G, Evangelisti M, Parisi P, Lucchini L, Ferretti A, Villa MP, Scuderi G, Amadè DS, Abdolrahimzadeh S. Ocular endothelial dysfunction in pediatric inflammatory bowel disease. J Pediatr Gastroenterol Nutr 2024; 78:1297-1304. [PMID: 38587115 DOI: 10.1002/jpn3.12208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/28/2024] [Accepted: 03/25/2024] [Indexed: 04/09/2024]
Abstract
OBJECTIVES To assess ocular microvasculature changes using optical coherence tomography angiography (OCTA) in pediatric patients with inflammatory bowel disease (IBD). METHODS Patients (aged 6-18 years) with IBD were recruited between September 2021 and May 2023. All eligible participants underwent comprehensive clinical assessment and laboratory investigation. Patients with functional gastrointestinal disorders served as the controls. This study assessed specific IBD phenotypes, disease duration, clinical and endoscopic activity indices, laboratory markers, and medication histories. OCTA was utilized to evaluate ocular microvasculature changes in both groups. RESULTS A total of 63 children (mean age 12.9 ± 3.3 years) were enrolled, comprising 38 in the IBD group (16 ulcerative colitis, 22 Crohn's disease, and 25 in the control group). Most patients in the IBD group were in remission or had mild-to-moderate disease activity at enrollment. Analysis of the OCTA results revealed significant differences in the choroidal luminal area and total choroidal area between the IBD and control groups. CONCLUSIONS The study identified distinct ocular microvasculature changes in pediatric IBD patients through OCTA, suggestive of potential systemic endothelial dysfunction. These findings underscore the utility of OCTA in evaluating microvascular alterations associated with pediatric IBD, offering insights into potential systemic complications linked to inflammation in IBD patients.
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Affiliation(s)
- Giovanni Di Nardo
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Mariachiara Di Pippo
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Ophthalmology Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Letizia Zenzeri
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
- Emergency Pediatric Department, Santobono-Pausilipon Children's Hospital, Naples, Italy
| | - Maurizio Mennini
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Marisa Piccirillo
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Silvia Furio
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Giovanna Quatrale
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Melania Evangelisti
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Pasquale Parisi
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Livia Lucchini
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Alessandro Ferretti
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Maria Pia Villa
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Pediatric Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Gianluca Scuderi
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Ophthalmology Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - David Sarzi Amadè
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Stomatology Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
| | - Solmaz Abdolrahimzadeh
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Faculty of Medicine and Psychology, Ophthalmology Unit, Sapienza University of Rome, Sant'Andrea University Hospital, Rome, Italy
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Sevimli N, Kurna SA, Şilte Karamanlıoğlu AD, Ünlü Özkan F, Aktaş İ, Çakır M. Characteristics of the retina and choroid in fibromyalgia patients and their correlation with disease severity and quality of life. Photodiagnosis Photodyn Ther 2023; 44:103819. [PMID: 37797910 DOI: 10.1016/j.pdpdt.2023.103819] [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] [Received: 08/03/2023] [Revised: 09/09/2023] [Accepted: 09/26/2023] [Indexed: 10/07/2023]
Abstract
BACKGROUND To evaluate retinal and choroidal characteristics of fibromyalgia (FM) patients using spectral-domain optical coherence tomography (SD-OCT), to compare them with healthy controls, and to determine the correlation of these measurements with disease severity and quality of life. METHODS Thirty-nine eyes of 39 patients with FM and 44 eyes of 44 age- and sex-matched healthy subjects were enrolled. The retinal nerve fiber layer (RNFL), central macular thickness (CMT), and choroidal thickness (CT) measurements of the subjects were obtained using SD-OCT (Maestro, Topcon Co. Tokyo, Japan), choroidal vascular index (CVI) was calculated by using the binarization method and the results were compared. Disease duration (DD), widespread pain index (WPI), symptom severity scale (SSS), visual analog scale (VAS), ocular pain assessment survey (OPAS), FM impact questionnaire (FIQ), European Quality of Life-5 Dimensions-3 level (EQ-5D-3 L), European Quality VAS score (EQ-VAS) and use of pregabalin were recorded. Correlations between the SD-OCT results and the FM parameters were evaluated. RESULTS No significant difference was found in terms of age and gender (p = 0.612, p = 0.244 respectively). Patients in the FM group had significantly thinner RNFL superior quadrant and CT (p = 0,009 and p < 0.001, respectively). CVI was significantly higher in the FM group (p < 0.001). There was an inverse correlation between OPAS and CT (r = -0.379, p = 0.027) and between VAS and CVI (r = -0.398, p = 0.020). The use of pregabalin had no effect on SD-OCT (p > 0.05). CONCLUSION Patients with FM demonstrated reduced RNFL superior quadrant and CT and increased CVI. Ocular and general body pain in FM was found to be associated with SD-OCT.
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Affiliation(s)
- Neslihan Sevimli
- Department of Ophthalmology, Fatih Sultan Mehmet Training and Research Hospital, Ataşehir, İstanbul, Turkey.
| | - Sevda Aydın Kurna
- Department of Ophthalmology, Fatih Sultan Mehmet Training and Research Hospital, Ataşehir, İstanbul, Turkey
| | - Ayşe Duygu Şilte Karamanlıoğlu
- Department of Physical Medicine and Rehabilitation, Fatih Sultan Mehmet Training and Research Hospital, Ataşehir, İstanbul, Turkey
| | - Feyza Ünlü Özkan
- Department of Physical Medicine and Rehabilitation, Fatih Sultan Mehmet Training and Research Hospital, Ataşehir, İstanbul, Turkey
| | - İlknur Aktaş
- Department of Physical Medicine and Rehabilitation, Fatih Sultan Mehmet Training and Research Hospital, Ataşehir, İstanbul, Turkey
| | - Muhammet Çakır
- Department of Ophthalmology, Fatih Sultan Mehmet Training and Research Hospital, Ataşehir, İstanbul, Turkey
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Gürbostan Soysal G, Berhuni M, Özer Özcan Z, Tıskaoğlu NS, Kaçmaz Z. Decreased choroidal vascularity index and subfoveal choroidal thickness in vitamin D insufficiency. Photodiagnosis Photodyn Ther 2023; 44:103767. [PMID: 37625765 DOI: 10.1016/j.pdpdt.2023.103767] [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] [Received: 06/12/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 08/27/2023]
Abstract
BACKGROUND To present the effects of vitamin D insufficiency on the choroidal vascularity index, central choroid and central macula. METHODS 42 eyes of 42 patients with vitamin D insufficiency and 51 eyes of 51 age- and sex-matched healthy subjects were included in this retrospective, cross-sectional, and comparative study. The macular layer was examined using the retinal mapping mode of the spectral domain Optical coherence tomography (Optovue RTVue XR, Optovue Inc., Fremont, CA). Optical coherence tomography (OCT) images were taken in Enhanced Deep Imaging mode and transferred to Image J program. choroidal vascularity index (CVI) and subfoveal choroidal thickness (SFCT) measurements were evaluated. RESULTS The mean age of volunteers was 35.4 ± 7.2 years. There was a significant difference in CVI values 67.75±2.4 in the patients with vitamin D insufficiency and 69.22±1.75 in the control group. The SCFT of patients with vitamin D insufficiency and control group were 295.25±42.3 and 335.71±11.6 (p = 0.001, p<0.001 respectively). CONCLUSION OCT examination of patients with vitamin D insufficiency showed a decrease in CVI and SCFT values. These results are important in demonstrating the retinochoroidal effects of vitamin D insufficiency.
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Affiliation(s)
- Gizem Gürbostan Soysal
- Ersin Arslan Education and Research Hospital Department of Ophthalmology, Şehitkamil, Gaziantep, Turkey.
| | - Mustafa Berhuni
- Ersin Arslan Education and Research Hospital Department of Ophthalmology, Şehitkamil, Gaziantep, Turkey
| | - Zeynep Özer Özcan
- Ersin Arslan Education and Research Hospital Department of Ophthalmology, Şehitkamil, Gaziantep, Turkey
| | - Nesime Setge Tıskaoğlu
- Ersin Arslan Education and Research Hospital Department of Ophthalmology, Şehitkamil, Gaziantep, Turkey
| | - Zeynep Kaçmaz
- Ersin Arslan Education and Research Hospital Department of İnternal Medicine, Gaziantep, Turkey
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Dzhus M, Ehlers L, Wouters M, Jansen K, Schrijvers R, De Somer L, Vanderschueren S, Baggio M, Moens L, Verhaaren B, Lories R, Bucciol G, Meyts I. A Narrative Review of the Neurological Manifestations of Human Adenosine Deaminase 2 Deficiency. J Clin Immunol 2023; 43:1916-1926. [PMID: 37548813 PMCID: PMC10661818 DOI: 10.1007/s10875-023-01555-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 07/14/2023] [Indexed: 08/08/2023]
Abstract
Deficiency of human adenosine deaminase type 2 (DADA2) is a complex systemic autoinflammatory disorder characterized by vasculopathy, immune dysregulation, and hematologic abnormalities. The most notable neurological manifestations of DADA2 are strokes that can manifest with various neurological symptoms and are potentially fatal. However, neurological presentations can be diverse. We here present a review of the neurological manifestations of DADA2 to increase clinical awareness of DADA2 as the underlying diagnosis. We reviewed all published cases of DADA2 from 1 January 2014 until 19 July 2022 found via PubMed. A total of 129 articles describing the clinical features of DADA2 were included in the analysis. Six hundred twenty-eight patients diagnosed with DADA2 were included in the review. 50.3% of patients had at least signs of one reported neurological event, which was the initial or sole manifestation in 5.7% and 0.6%, respectively. 77.5% of patients with neurological manifestations had at least signs of one cerebrovascular accident, with lacunar strokes being the most common and 35.9% of them having multiple stroke episodes. There is a remarkable predilection for the brain stem and deep gray matter, with 37.3% and 41.6% of ischemic strokes, respectively. Other neurological involvement included neuropathies, focal neurological deficits, ophthalmological findings, convulsions, and headaches. In summary, neurological manifestations affect a significant proportion of patients with DADA2, and the phenotype is broad. Neurological manifestations can be the first and single manifestation of DADA2. Therefore, stroke, encephalitis, posterior reversible encephalopathy syndrome, mononeuropathy and polyneuropathy, and Behçet's disease-like presentations should prompt the neurologist to exclude DADA2, especially but not only in childhood.
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Affiliation(s)
- Mariia Dzhus
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, KU Leuven, Leuven, Belgium
| | - Lisa Ehlers
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, KU Leuven, Leuven, Belgium
| | - Marjon Wouters
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, KU Leuven, Leuven, Belgium
| | - Katrien Jansen
- Department of Development and Regeneration, Department of Pediatrics, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Rik Schrijvers
- Department of General Internal Medicine-Allergy and Clinical Immunology, Allergy and Clinical Immunology Research Group, Department of Microbiology, Immunology and Transplantation, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Lien De Somer
- Department of Pediatric Rheumatology, Laboratory of Immunobiology, Rega Institute, European Reference Network for Rare Immunodeficiency, Autoinflammatory and Autoimmune Diseases, University Hospital Leuven and KU Leuven, Leuven, Belgium
| | - Steven Vanderschueren
- Department of General Internal Medicine, European Reference Network for Rare Immunodeficiency, Autoinflammatory and Autoimmune Diseases, Department of Microbiology, Immunology and Transplantation, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Marco Baggio
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, KU Leuven, Leuven, Belgium
| | - Leen Moens
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, KU Leuven, Leuven, Belgium
| | | | - Rik Lories
- Department of Development and Regeneration, Skeletal Biology and Engineering Research Centre, Division of Rheumatology, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Giorgia Bucciol
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, Department of Pediatrics, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Isabelle Meyts
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, Department of Pediatrics, European Reference Network for Rare Immunodeficiency, Autoinflammatory and Autoimmune Diseases, University Hospitals Leuven and KU Leuven, Leuven, Belgium.
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Szydełko-Paśko U, Przeździecka-Dołyk J, Dołyk A, Małyszczak A, Misiuk-Hojło M. Evaluation of Choroidal and Retinal Features in Patients with Primary Vasculitis-An Original Optical Coherence Tomography and Optical Coherence Tomography Angiography Study. J Clin Med 2023; 12:6827. [PMID: 37959292 PMCID: PMC10648798 DOI: 10.3390/jcm12216827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/19/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
Ocular manifestations have been described in the course of various types of vasculitis. However, there seems to be no routine ophthalmological examinations for patients suffering from those diseases. To ensure holistic care we aimed to investigate any retinal and choroidal abnormalities in patients suffering from primary vasculitis. The objective was to use non-invasive methods, which would not be time- and cost-consuming, yet would be helpful in routine tests. We conducted a prospective and observational study in 41 patients (78 eyes) with 5 types of primary vasculitis, including: Takayasu's arteritis; giant cell arteritis; Buerger's disease; granulomatosis with polyangiitis; and polyarteritis nodosa. A total of 44 healthy individuals were enrolled in the control group for comparison (88 eyes). With the use of optical coherence tomography, optical coherence tomography angiography, and MATLAB, the following parameters were assessed: choroidal thickness; vascularity index; area and perimeter of foveal avascular zone; and circularity index. The following parameters were lower in the study group compared to the control group: mean nasal and temporal CTs; mean central, temporal, and nasal CVI; and mean CI. In contrast, the results of mean central CT as well as the area and perimeter of FAZ were higher in the study group. The differences were statistically significant in the case of all parameters except for CI. Conducting routine ophthalmological examinations in patients diagnosed with vasculitis by assessment of the retina and choroid by measuring parameters like CT, CVI, area and perimeter of FAZ, and CI could be beneficial, as it may detect pathological changes before any ocular symptoms alarm the patients. CVI seems to be especially promising for choroidal evaluation, as it appears to be less influenced by various factors compared to CT.
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Affiliation(s)
| | - Joanna Przeździecka-Dołyk
- Department of Optics and Photonics, Wrocław Univeristy of Science and Technology, 50-370 Wrocław, Poland
| | - Andrzej Dołyk
- Clinic of Angiology, Systemic Hypertension and Diabetology, Wrocław Teaching Hospital, 50-556 Wrocław, Poland
| | - Artur Małyszczak
- Department of Ophthalmology, Wrocław Medical University, 50-556 Wrocław, Poland
| | - Marta Misiuk-Hojło
- Department of Ophthalmology, Wrocław Medical University, 50-556 Wrocław, Poland
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Maccora I, Maniscalco V, Campani S, Carrera S, Abbati G, Marrani E, Mastrolia MV, Simonini G. A wide spectrum of phenotype of deficiency of deaminase 2 (DADA2): a systematic literature review. Orphanet J Rare Dis 2023; 18:117. [PMID: 37179309 PMCID: PMC10183141 DOI: 10.1186/s13023-023-02721-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 05/01/2023] [Indexed: 05/15/2023] Open
Abstract
INTRODUCTION Deficiency of adenosine deaminase 2 (DADA2) is a rare monogenic autoinflammatory disease, whose clinical phenotype was expanded since the first cases, originally described as mimicker of polyarteritis nodosa, with immunodeficiency and early-onset stroke. METHODS A systematic review according to PRISMA approach, including all articles published before the 31st of August 2021 in Pubmed and EMBASE database was performed. RESULTS The search identified 90 publications describing 378 unique patients (55.8% male). To date 95unique mutations have been reported. The mean age at disease onset was 92.15 months (range 0-720 months), 32 (8.5%) showed an onset of the first signs/symptoms after 18 years old and 96 (25.4%) after 10 years old. The most frequent clinical characteristics described were cutaneous (67.9%), haematological manifestations (56.3%), recurrent fever (51.3%), neurological as stroke and polyneuropathy (51%), immunological abnormalities (42.3%), arthralgia/arthritis (35.4%), splenomegaly (30.6%), abdominal involvement (29.8%), hepatomegaly (23.5%), recurrent infections (18.5%), myalgia (17.9%), kidney involvement (17.7%) etc. Patients with skin manifestations were older than the others (101.1 months SD ± 116.5, vs. 75.3 SD ± 88.2, p 0.041), while those with a haematological involvement (64.1 months SD ± 75.6 vs. 133.1 SD ± 133.1, p < 0.001) and immunological involvement (73.03 months SD ± 96.9 vs. 103.2 SD ± 112.9, p 0.05) are younger than the others. We observed different correlations among the different clinical manifestations. The use of anti-TNFα and hematopoietic cell stems transplantation (HCST) has improved the current history of the disease. CONCLUSION Due to this highly variable phenotype and age of presentation, patients with DADA2 may present to several type of specialists. Given the important morbidity and mortality, early diagnosis and treatment are mandatory.
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Affiliation(s)
- Ilaria Maccora
- Rheumatology Unit, ERN ReConnet Center, Meyer Children's Hospital IRCCS, Florence, Italy.
- NeuroFARBA Department, University of Florence, Florence, Italy.
| | | | - Silvia Campani
- School of Health Science, University of Florence, Florence, Italy
| | - Simona Carrera
- School of Health Science, University of Florence, Florence, Italy
| | - Giulia Abbati
- School of Health Science, University of Florence, Florence, Italy
| | - Edoardo Marrani
- Rheumatology Unit, ERN ReConnet Center, Meyer Children's Hospital IRCCS, Florence, Italy
| | | | - Gabriele Simonini
- Rheumatology Unit, ERN ReConnet Center, Meyer Children's Hospital IRCCS, Florence, Italy
- NeuroFARBA Department, University of Florence, Florence, Italy
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Ocular changes in nephrotic syndrome patients with preserved renal functions. Photodiagnosis Photodyn Ther 2022; 39:103024. [PMID: 35870774 DOI: 10.1016/j.pdpdt.2022.103024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND Optical coherence tomography (OCT) measurements of central choroidal thickness (CCT) and retinal thickness have been proposed as inflammatory indicators for a variety of systemic disorders, particularly those with a vascular component. The relationship between nephrotic syndrome (NS) and visual impairment is not clear. The aim of this study was to evaluate the ocular changes in primary NS patients with preserved renal functions. METHODS A total of 60 participants (30 NS patients, 30 healthy control subjects) was recruited in this cross-sectional and comparative study. Retinal and choroidal examinations were performed via the spectral domain OCT. Enhanced depth imaging (EDI) mode of the OCT was used for choroidal analysis. RESULTS Although not statistically significant, CCT was found to be higher in the NS group compared to the control group (p=0.07). Central foveal thickness (CFT) and retinal arteriolar caliber (RAC) values were statistically significantly lower in the patients with nephrotic syndrome, whereas retinal venular caliber (RVC) and choroidal vascularity index (CVI) values were similar in both groups. RAC and RVC were not statistically significantly correlated with CCT or CFT in both groups (p>0.05). CONCLUSION The results of the current study showed a significant difference between the NS group and the control group in terms of some ocular changes (i.e., CFT and RAC). As a result, CCT, CFT and RAC measurements with OCT may be used as a marker of inflammation in NS patients.
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Kurumoğlu İncekalan T, Kışla Ekinci RM, Naz Şimdivar GH, Doğan NÇ, Çiloğlu E. Evaluation of subclinical ocular involvement in patients with deficiency of adenosine deaminase 2 (DADA2). Clin Rheumatol 2022; 41:2533-2540. [PMID: 35508675 DOI: 10.1007/s10067-022-06194-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/26/2022] [Accepted: 04/27/2022] [Indexed: 11/24/2022]
Abstract
PURPOSE To evaluate changes in the peripapillary, macular, and choroidal microvasculature in the eyes of patients with deficiency of adenosine deaminase 2 (DADA2) and no clinical signs of ocular involvement. METHODS The study included 12 eyes of 12 patients with DADA2 and 24 eyes of 24 healthy subjects. The foveal avascular zone (FAZ), macular vessel densities (VDs) in the superficial and deep retinal capillary plexuses, peripapillary VDs, and choroidal thickness were evaluated by optical coherence tomography angiography (OCTA). Measurements were compared between DADA2 patients and healthy controls. RESULTS The median age was 17 (8-25) years in DADA2 patients and 17.5 (7-23) years in control group at the OCTA visit (p = 0.934). FAZ area did not differ between the groups (p = 0.224). In the superficial capillary plexus, whole-image, foveal, and parafoveal VD values were slightly lower in DADA2 patients than in controls (p = 0.054, p = 0.052, p = 0.117). In the deep capillary plexus, whole-image and parafoveal VD values were significantly lower in DADA2 patients than controls (p = 0.010, p = 0.001). VD in the radial peripapillary capillary plexus was also lower in DADA2 patients, with significantly lower peripapillary VD (p = 0.002). Subfoveal choroidal thickness was significantly higher in patients with DADA2 (p < 0.001). CONCLUSIONS This OCTA study demonstrates that both retinal and choroidal involvement may occur in DADA2 patients before the emergence of evident clinical findings.
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Affiliation(s)
- Tuğba Kurumoğlu İncekalan
- Department of Ophthalmology, University of Health Sciences Adana City Training and Research Hospital, Adana, Turkey.
| | - Rabia Miray Kışla Ekinci
- Department of Pediatric Rheumatology, University of Health Sciences Adana City Training and Research Hospital, Adana, Turkey
| | - Göksu Hande Naz Şimdivar
- Department of Ophthalmology, University of Health Sciences Adana City Training and Research Hospital, Adana, Turkey
| | - Neşe Çetin Doğan
- Department of Ophthalmology, University of Health Sciences Adana City Training and Research Hospital, Adana, Turkey
| | - Emine Çiloğlu
- Department of Ophthalmology, University of Health Sciences Adana City Training and Research Hospital, Adana, Turkey
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An Evaluation of Choroidal and Retinal Nerve Fiber Layer Thicknesses Using SD-OCT in Children with Childhood IgA Vasculitis. Diagnostics (Basel) 2022; 12:diagnostics12040901. [PMID: 35453949 PMCID: PMC9029835 DOI: 10.3390/diagnostics12040901] [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: 02/09/2022] [Revised: 03/02/2022] [Accepted: 03/08/2022] [Indexed: 02/04/2023] Open
Abstract
Background: We aimed to evaluate choroidal and retinal nerve fiber layer (RNFL) thicknesses in children undergoing the childhood IgA vasculitis (IgAV). Methods: Fifty-two patients with IgAV aged 1−6 years and 54 healthy children were included. Cases’ age, sex, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), RNFL thicknesses, and choroidal thickness values were recorded. Results: Median foveal center choroidal thickness was 374.0 µm (315.0 to 452.0 µm) in the IgAV group and 349.5 µm (285.0 to 442.0 µm) in the control group (p = 0.001). Median average RNFL thickness was 110.0 µm (91.0 to 134.0 µm) in the IgAV group and 104.0 µm (89.0 to 117.0 µm) in the control group (p < 0.001). Choroidal and RNFL thicknesses were significantly greater in all quadrants in the IgAV group than in the control group. No correlation was determined between ESR or CRP and foveal center choroidal and average RNFL thicknesses. Conclusions: Our findings show that choroidal and RNFL thicknesses increased significantly in children undergoing childhood IgA vasculitis compared to the healthy control group. These findings show that the choroid and RNFL are also affected by the inflammatory process in IgAV, which is a systemic vasculitis. We think that the choroidal and RNFL thicknesses can be used as a biomarker for childhood IgAV.
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11
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Choroidal involvement in systemic vasculitis: a systematic review. J Ophthalmic Inflamm Infect 2022; 12:14. [PMID: 35377017 PMCID: PMC8980189 DOI: 10.1186/s12348-022-00292-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 03/24/2022] [Indexed: 01/19/2023] Open
Abstract
Systemic vasculitides are a large group of heterogeneous diseases characterized by inflammatory destruction of blood vessels targeting diverse organs and tissues including the eye. As the most vascularized layer of the eye, the choroid is expected to be affected in multiple systemic rheumatologic diseases with vascular involvement. While there are plenty of studies investigating retinal vascular involvement, choroidal vascular involvement in systemic vasculitides has not been investigated in isolation. However, choroidal manifestations including thickness changes, choroidal vasculitis and ischemia may be the earliest diagnostic features of systemic vasculitic diseases. Thus, multimodal imaging of the choroid may help early detection of choroidal involvement which may also have prognostic implications in these life-threatening diseases. This article aimed to review involvement of the choroid in systemic vasculitic diseases.
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12
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Ugurlu E, Pekel G, Akbulut S, Cetin N, Durmus S, Altinisik G. Choroidal vascularity index and thickness in sarcoidosis. Medicine (Baltimore) 2022; 101:e28519. [PMID: 35119002 PMCID: PMC8812671 DOI: 10.1097/md.0000000000028519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 12/11/2021] [Indexed: 01/04/2023] Open
Abstract
Sarcoidosis is a multisystem granulomatous disease which is observed worldwide. Sarcoidosis is one of the common causes of ocular inflammation. The choroidal vascularity index, defined as the ratio of the luminal area to the total choroidal area, is used as one of the biomarkers for assessing the choroid vascular state. We aimed to compare choroidal vascularity index and thickness measurements between sarcoidosis patients and healthy controls.Thirty-one patients with sarcoidosis and 31 age-gender matched healthy participants were recruited in this cross-sectional and comparative study. Choroidal vascularity index was defined as the ratio of luminal area to total choroidal area after binarization on optical coherence tomography images. Anterior segment examinations included central corneal thickness, corneal volume, anterior chamber depth, anterior chamber volume, and iridocorneal angle. Spectral-domain optical coherence tomography was used to measure peripapillary retinal nerve fiber layer thickness, choroidal thickness, and retinal vessel caliber.The mean choroidal vascularity index value was 61.6% in sarcoidosis patients and 62.4% in healthy controls (P = .69). The choroidal vascularity index and thickness were significantly correlated in both sarcoidosis (r = 0.41, P = .026) and control groups (r = 0.51, P = .006). Both the sarcoidosis and control groups had similar measured values for central corneal thickness, corneal volume, anterior chamber depth, anterior chamber volume, and iridocorneal angle (P > .05). Mean retinal nerve fiber layer, retinal arteriole and venule caliber, and choroidal thickness measurements did not differ significantly between the groups (P > .05).Sarcoidosis patients in quiescent period have similar choroidal vascularity index and thickness with healthy controls.
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Affiliation(s)
- Erhan Ugurlu
- Department of Pulmonology, Pamukkale University, Denizli, Turkey
| | - Gokhan Pekel
- Department of Ophthalmology, Pamukkale University, Denizli, Turkey
| | - Selen Akbulut
- Department of Ophthalmology, Pamukkale University, Denizli, Turkey
| | - Nazli Cetin
- Department of Pulmonology, Pamukkale University, Denizli, Turkey
| | - Sinan Durmus
- Department of Pulmonology, Pamukkale University, Denizli, Turkey
| | - Goksel Altinisik
- Department of Pulmonology, Pamukkale University, Denizli, Turkey
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13
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Bayram N, Gundogan M, Ozsaygılı C, Adelman RA. Posterior ocular structural and vascular alterations in severe COVID-19 patients. Graefes Arch Clin Exp Ophthalmol 2021; 260:993-1004. [PMID: 34605953 PMCID: PMC8488325 DOI: 10.1007/s00417-021-05420-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 08/27/2021] [Accepted: 09/19/2021] [Indexed: 12/23/2022] Open
Abstract
Purpose This study aimed to evaluate posterior ocular structural and vascular changes in severe coronavirus disease 2019 (COVID-19) patients. Methods This was an observational, prospective, and controlled study including 106 eyes of 53 severe COVID-19 patients, compared to after recovery and 106 eyes of 53 age- and gender-matched healthy controls. All subjects were previously healthy adults and were assessed using spectral domain optical coherence tomography (SD-OCT) and ImageJ software. Subfoveal over a 1500-μm span and macular over a 6000-μm span cross-sectional areas of the vascular, stromal, and total choroid were measured. Results Of the 53 included patients, 28 (52.8%) were male, and 25 (47.2%) were female, with a mean age of 50.2 ± 7.4 years. In the active period of the disease, compared to after recovery and healthy controls, the outer plexiform layer thickness showed a significant increase (p = 0.004), and mean choroidal thickness was significantly higher (p < 0.0001); however, choroidal vascularity was significantly lower (p < 0.0001). The stromal area to vascular area (S/V) ratio of the choroid was significantly increased (p < 0.0001). All quadrants of the peripapillary retinal nerve fiber layer (RNFL) thicknesses were significantly increased (for all, p < 0.05). The reflectivity of OCT echo of the choroid and peripapillary RNFL was significantly higher (p = 0.023, p < 0.0001, respectively). Conclusion This study detected significant posterior ocular structural and vascular alterations in patients with severe COVID-19 infections. These findings may be associated with direct host-virus interaction or linked to an autoimmune process, vasculopathy, or viral-mediated inflammation.
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Affiliation(s)
- Nurettin Bayram
- Department of Ophthalmology, Kayseri City Training and Research Hospital, University of Health Science, 38080, Kayseri, Turkey.
| | - Medine Gundogan
- Department of Ophthalmology, Kayseri City Training and Research Hospital, University of Health Science, 38080, Kayseri, Turkey
| | - Cemal Ozsaygılı
- Department of Ophthalmology, Kayseri City Training and Research Hospital, University of Health Science, 38080, Kayseri, Turkey
| | - Ron A Adelman
- Department of Ophthalmology and Visual Science, Yale University School of Medicine, New Haven, CT, USA
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14
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Maccora I, Marrani E, Mastrolia MV, Abu-Rumeileh S, Maniscalco V, Fusco E, Barbati F, Pagnini I, Simonini G. Ocular involvement in monogenic autoinflammatory disease. Autoimmun Rev 2021; 20:102944. [PMID: 34509650 DOI: 10.1016/j.autrev.2021.102944] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 05/27/2021] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Monogenic Autoinflammatory diseases (AIDs) are a broad spectrum of rare hereditary diseases whose ocular involvement has not been well characterized yet. This systematic review aims to provide an overview of the current knowledge about ocular findings in AIDs. METHODS A systematic literature review was conducted using 2 electronic databases, according to the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines. A combination of AIDs and ophthalmology-related search terms were used. All articles were screened by 2 independent reviewers for title, abstract and full text level. We included solely studies that investigated ocular findings in AIDs. RESULTS 198 papers of 4268 records were retained. Data about 1353 patients with a diagnosis of autoinflammatory disease and ocular involvement were collected (680 CAPS, 211 FMF, 138 TRAPS, 238 Blau, 32 MKD, 21 SIFD, 7 Aicardi Goutières, 3 CANDLE, 8 DADA2, 9 HA20, 6 APLAID). Conjunctivitis was significantly more frequent in CAPS (p < 0.00001), uveitis in Blau, MKD, HA20 and CANDLE (p < 0.00001), papillitis/papilledema in CAPS (p < 0.00001), optic neuritis in Aicardi and DADA2 (p < 0.008), retinal vasculitis in FMF (p < 0.00001), progressive reduction in choroidal thickness in FMF and DADA2 (p < 0.00001), periorbital oedema in TRAPS (p < 0.00001) and retinitis in SIFD (p < 0.00001). Among AIDs with uveitis, granulomatous inflammation was more common in Blau syndrome (p < 0.00001). CONCLUSION This systematic literature review characterized the ocular involvement of several AIDs, and the present data may encourage to consider a timely ophthalmological screening program for these rare diseases.
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Affiliation(s)
- Ilaria Maccora
- Rheumatology Unit, Meyer Children's University Hospital, NEUROFARBA Department, University of Florence, Florence, Italy.
| | - Edoardo Marrani
- Rheumatology Unit, Meyer Children's University Hospital, Florence, Italy
| | - Maria Vincenza Mastrolia
- Rheumatology Unit, Meyer Children's University Hospital, NEUROFARBA Department, University of Florence, Florence, Italy.
| | - Sarah Abu-Rumeileh
- Pediatric Rheumatology Unit, Meyer Children's University Hospital, School of Human Health Science, Florence, Italy
| | - Valerio Maniscalco
- Pediatric Rheumatology Unit, Meyer Children's University Hospital, School of Human Health Science, Florence, Italy
| | - Eleonora Fusco
- Pediatric Rheumatology Unit, Meyer Children's University Hospital, School of Human Health Science, Florence, Italy
| | - Federica Barbati
- Pediatric Rheumatology Unit, Meyer Children's University Hospital, School of Human Health Science, Florence, Italy
| | - Ilaria Pagnini
- Rheumatology Unit, Meyer Children's University Hospital, Florence, Italy.
| | - Gabriele Simonini
- Rheumatology Unit, Meyer Children's University Hospital, NEUROFARBA Department, University of Florence, Florence, Italy.
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15
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Kasap Cuceoglu M, Sener S, Batu ED, Kaya Akca U, Demir S, Sag E, Atalay E, Balık Z, Basaran O, Bilginer Y, Ozen S. Systematic review of childhood-onset polyarteritis nodosa and DADA2. Semin Arthritis Rheum 2021; 51:559-564. [PMID: 33901990 DOI: 10.1016/j.semarthrit.2021.04.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/15/2021] [Accepted: 04/15/2021] [Indexed: 01/29/2023]
Abstract
BACKGROUND Diagnosis of childhood polyarteritis nodosa (PAN) has become challenging after the definition of deficiency of adenosine deaminase 2 (DADA2). We aimed to define the differential features of pediatric PAN and DADA2 patients in our center and in the literature. METHODS The charts of pediatric PAN and DADA2 patients followed at the Pediatric Rheumatology Unit of Hacettepe University between 2010-2020 were analyzed. A systematic literature review was conducted for articles regarding pediatric PAN or DADA2. RESULTS Thirty-four pediatric PAN and 18 pediatric DADA2 patients were included. The age at onset was younger, parental consanguinity, livedo reticularis, neurologic involvement (especially strokes), lymphopenia, and hypogammaglobulinemia were more frequent, while thrombocytosis and panniculitis were less frequent in DADA2 patients. The primary treatment was anti-tumor necrosis factor (anti-TNF) in DADA2. For induction treatment, all systemic PAN patients received corticosteroids, and cyclophosphamide (n=11) or mycophenolate mofetil (MMF) (n = 3). Cyclophosphamide was replaced with MMF in nine once remission was confirmed with PVAS. In the literature, 28 articles describing 613 pediatric PAN patients and 26 articles describing 207 pediatric DADA2 patients were identified. Neurologic, gastrointestinal, and cardiac involvements were more frequent in DADA2, while constitutional symptoms and testis involvement were more common in PAN. CONCLUSION In a child with PAN-like phenotype, DADA2 should be considered in the presence of young age at disease onset, parental consanguinity, strokes, lymphopenia, and lack of thrombocytosis during active disease. Anti-TNF treatment is indicated for vasculitic DADA2. Cyclophosphamide could be switched to MMF when remission is confirmed with PVAS in severe PAN.
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Affiliation(s)
- Muserref Kasap Cuceoglu
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey
| | - Seher Sener
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey
| | - Ezgi Deniz Batu
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey
| | - Ummusen Kaya Akca
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey
| | - Selcan Demir
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey
| | - Erdal Sag
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey
| | - Erdal Atalay
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey
| | - Zeynep Balık
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey
| | - Ozge Basaran
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey
| | - Yelda Bilginer
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey
| | - Seza Ozen
- Division of Rheumatology, Department of Pediatrics, Hacettepe University Faculty of Medicine, and Hacettepe University Vasculitis Research Center, Ankara, 06100, Turkey.
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16
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Vascular abnormalities in uveitis. Surv Ophthalmol 2021; 66:653-667. [PMID: 33412171 DOI: 10.1016/j.survophthal.2020.12.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 12/12/2020] [Accepted: 12/14/2020] [Indexed: 12/11/2022]
Abstract
Inflammation can involve several ocular structures, including the sclera, retina, and uvea, and cause vascular changes in these tissues. Although retinal vasculitis is the most common finding associated with uveitis involving the posterior segment, other vascular abnormalities may be seen in the retina. These include capillary nonperfusion and ischemia, vascular occlusions, preretinal neovascularization, microaneurysms and macroaneurysms, and telangiectasia. Moreover, vasoproliferative tumors and subsequent coat-like response can develop secondary to uveitis. Fluorescein angiography is ideal for the investigation of retinal vascular leakage and neovascularization, while optical coherence tomography angiography can provide depth resolved images from the superficial and deep capillary plexus and can demonstrate vascular remodeling. Choroidal vascular abnormalities primarily develop in the choriocapillaris or in the choroidal stroma and can appear as flow void in optical coherence tomography angiography and filling defect and vascular leakage in indocyanine green angiography. Extensive choriocapillaris nonperfusion in the presence of choroidal inflammation can increase the risk of choroidal neovascular membrane development. Iris vascular changes may manifest as dilation of vessels in stroma due to inflammation or rubeosis that is usually from ischemia in retinal periphery secondary to chronic inflammation. More severe forms of scleral inflammation, such as necrotizing scleritis, are associated with vascular occlusion in the deep episcleral plexus, which can lead to necrosis of sclera layer and uveal exposure.
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