Therapeutic Advances in Ophthalmology最新文献

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Treatment results of nondamaging retinal laser therapy in diabetic macular edema. 非损伤性视网膜激光治疗糖尿病黄斑水肿的疗效观察。
IF 2.5
Therapeutic Advances in Ophthalmology Pub Date : 2022-01-01 DOI: 10.1177/25158414211063284
Burcu P Gültekin
{"title":"Treatment results of nondamaging retinal laser therapy in diabetic macular edema.","authors":"Burcu P Gültekin","doi":"10.1177/25158414211063284","DOIUrl":"https://doi.org/10.1177/25158414211063284","url":null,"abstract":"<p><strong>Background: </strong>Subthreshold nondamaging retinal laser therapy (NRT) provides a greater safety profile than conventional laser methods, but more data is needed on the efficacy and safety of subthreshold NRT in diabetic macular edema.</p><p><strong>Purpose: </strong>To evaluate the efficacy and safety of NRT for the treatment of clinically significant macular edema (CSME) that is partially responsive or resistant to intravitreal anti-vascular endothelial growth factor (anti-VEGF) treatment.</p><p><strong>Methods: </strong>This was a retrospective case series study. Fifty eyes of 38 diabetic patients with CSME previously treated with at least 6-monthly intravitreal bevacizumab injections with/without intravitreal Ozurdex therapy were evaluated. The patients received 577-nm yellow wavelength laser therapy with PASCAL laser system (Topcon Medical Laser Systems, Santa Clara, CA, USA). Best-corrected visual acuity (BCVA) and central subfield thickness (CST) were evaluated before and 1, 3, 6, 12 and 24 months after laser treatment.</p><p><strong>Results: </strong>Baseline mean CST was 368.06 ± 86.9 µm. The mean CST values at the 1-, 3-, 6-, 12-, and 24-month visits were 336.93 ± 79.8, 352.40 ± 113.5, 336.36 ± 109.3, 325.10 ± 104 µm, and 310.08 ± 84.7 µm, respectively. The mean CST decreased significantly at the first (<i>p</i> = 0.002) and second year visits (<i>p</i> < 0.001) when compared with pretreatment values. Although visual acuity was improved at the first year compared with baseline, this difference was not statistically significant (<i>p</i> = 0.03). There was no significant difference in visual acuities between pretreatment and posttreatment visits. During 24-month follow-up, while 37 eyes were treated with [mean: 5.7 ± 3.4 (1-14)] intravitreal anti-VEGF injections, 3 eyes were administered single-dose intravitreal steroids. Additional intravitreal injections were not required in 10 (20%) eyes.</p><p><strong>Conclusion: </strong>NRT is effective by itself or in combination with anti-VEGF agents in diabetic macular edema that is partially responsive or resistant to previous intravitreal injections. T role in treating this disorder should be assessed in more detail with prospective controlled studies.</p>","PeriodicalId":23054,"journal":{"name":"Therapeutic Advances in Ophthalmology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/65/c8/10.1177_25158414211063284.PMC8772017.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10268210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Agreement in anterior segment measurements between swept-source and Scheimpflug-based optical biometries in keratoconic eyes: a pilot study 圆锥角膜的扫描源和基于Scheimpflug的光学生物测量在前段测量中的一致性:一项初步研究
IF 2.5
Therapeutic Advances in Ophthalmology Pub Date : 2022-01-01 DOI: 10.1177/25158414211063283
E. Chalkiadaki, P. Gartaganis, Thomas Ntravalias, Ioannis Giannakis, E. Manousakis, Efthymios Karmiris
{"title":"Agreement in anterior segment measurements between swept-source and Scheimpflug-based optical biometries in keratoconic eyes: a pilot study","authors":"E. Chalkiadaki, P. Gartaganis, Thomas Ntravalias, Ioannis Giannakis, E. Manousakis, Efthymios Karmiris","doi":"10.1177/25158414211063283","DOIUrl":"https://doi.org/10.1177/25158414211063283","url":null,"abstract":"Background: Cataract surgery in keratoconic patients is challenging because of the corneal distortion, which can lead to inaccurate keratometry readings. This study is a comparison of the accuracy of keratometry readings by two types of devices in a tertiary hospital. Purpose: To evaluate the comparability of corneal power measurements, anterior chamber depth (ACD), and white-to-white (WTW) distance between Scheimpflug-based tomography (Pentacam AXL; OCULUS GmbH, Wetzlar, Germany) and swept-source optical biometry (IOLMaster 700; Carl Zeiss Meditec AG, Jena, Germany) in patients with keratoconus. Methods: This pilot, prospective, interinstrument reliability study included 30 keratoconic eyes of 15 individuals who had not undergone any kind of corneal surgery. Standard K and total refractive power (TK®) of the flattest and steepest axes of the IOLMaster 700 were compared with the standard keratometry (SimK), true net power (TNP), equivalent keratometer readings (EKR), and total corneal refractive power (TCRP) of the Pentacam. The Bland–Altman analysis was used to evaluate the agreement between the measurements of both devices. The paired-samples t-test and the Wilcoxon signed-rank test were performed to compare the mean values of the variables obtained with the devices. Results: The K1 value of the IOLMaster 700 was significantly higher from EKR K1 along the 3-mm (mean difference: 0.79 diopters, p = 0.01), 4-mm (mean difference: 1.01 D, p = 0.01), and 4.5-mm zones (mean difference: 1.20 D, p = 0.01) and TNP K1 along the 3-mm (mean difference: 0.88 D, p < 0.001) and 4-mm zones (mean difference: 0.97 D, p < 0.001). The TK1 value was significantly higher from EKR K1 along the 2-mm (mean difference: 0.42 D, p = 0.04), 3-mm (mean difference: 0.83 D, p = 0.003), 4-mm (mean difference: 1.05 D, p = 0.004), and 4.5-mm zones (mean difference: 1.24 D, p = 0.005) and TNP K1 along the 3-mm (mean difference: 0.92 D, p < 0.001) and 4-mm zones (mean difference: 1.01 D, p < 0.001). The K2 value of the IOLMaster 700 was significantly higher from TK2 (mean difference: 0.11 D, p = 0.04) and all the corresponding variables of the Pentacam device. The TK2 value was significantly higher from all the corresponding variables of the Pentacam device. The Pentacam also yielded significantly lower values for the WTW distance (mean difference: 0.31 mm, p < 0.001) and no significant difference in terms of ACD values (p = 0.9). Conclusion: The IOLMaster measured significantly greater keratometry readings in the steep axis for all the variables studied. The keratometry and WTW measurements of the investigated devices cannot be used interchangeably in keratoconus.","PeriodicalId":23054,"journal":{"name":"Therapeutic Advances in Ophthalmology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43338053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Comprehensive overview of IRVAN syndrome: a structured review of Case Reports and Case Series IRVAN综合征的全面综述:病例报告和病例系列的结构化综述
IF 2.5
Therapeutic Advances in Ophthalmology Pub Date : 2022-01-01 DOI: 10.1177/25158414211070880
H. Khan, Q. A. Khan, M. Shahzad, M. Awan, N. Khan, Sm Jahangir, F. Shaheen, Kamran Wali, Julie A Rodman, Jozeph Pizzimenti, A. Saatçi
{"title":"Comprehensive overview of IRVAN syndrome: a structured review of Case Reports and Case Series","authors":"H. Khan, Q. A. Khan, M. Shahzad, M. Awan, N. Khan, Sm Jahangir, F. Shaheen, Kamran Wali, Julie A Rodman, Jozeph Pizzimenti, A. Saatçi","doi":"10.1177/25158414211070880","DOIUrl":"https://doi.org/10.1177/25158414211070880","url":null,"abstract":"Idiopathic retinal vasculitis, aneurysms, and neuroretinitis (IRVAN) syndrome is a rare spectrum of retinal vasculitis, aneurysms, and neuroretinitis affecting young individuals in their third decade. Most of our current knowledge is based on case reports, case series, and a handful of collaborative studies. There is much diversity in treatment approaches and outcomes in the reported literature. We have aggregated published case reports and case series into quantitative and narrative synthesis to draw evidence-based conclusions toward clinical features, atypical and rare findings, systemic associations, disease course, and treatment outcomes. The analysis suggested the disease mostly affects young individuals with a female predilection. Anterior chamber and vitreous inflammation are common than previously believed. The most prevalent pattern of retinal vasculitis in IRVAN eyes is mixed vasculitis, followed by arteritis and phlebitis. Most eyes at the time of presentation have capillary nonperfusion and require treatment. Most eyes retain good visual acuity; however, treatment is required to maintain visual function. Intravitreal antivascular endothelial growth factors administered as an adjunct to retinal laser photocoagulation are more likely to improve visual outcomes. Besides, we have discussed the different hypotheses on the etiopathogenesis of the disease and stronger evidence suggests an inflammatory origin of the disease.","PeriodicalId":23054,"journal":{"name":"Therapeutic Advances in Ophthalmology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45565383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Optical coherence tomography patterns of diabetic macular edema and treatment response to bevacizumab: a short-term study 糖尿病黄斑水肿的光学相干断层扫描模式和贝伐单抗的治疗反应:一项短期研究
IF 2.5
Therapeutic Advances in Ophthalmology Pub Date : 2022-01-01 DOI: 10.1177/25158414221074519
Sadhana Sharma, P. Karki, S. N. Joshi, S. Parajuli
{"title":"Optical coherence tomography patterns of diabetic macular edema and treatment response to bevacizumab: a short-term study","authors":"Sadhana Sharma, P. Karki, S. N. Joshi, S. Parajuli","doi":"10.1177/25158414221074519","DOIUrl":"https://doi.org/10.1177/25158414221074519","url":null,"abstract":"Background: The purpose of this study was to evaluate the short-term response of intravitreal bevacizumab in diabetic macular edema (DME) and assess the variation in treatment outcomes in different morphology patterns using spectral domain–optical coherence tomography (SD-OCT). Objective: To study different morphological patterns of DME based on OCT and compare their treatment response to bevacizumab. Methods: Hundred and twelve eyes of 112 patients with DME were included and treated with intravitreal bevacizumab (1.25 mg/0.05 ml monthly for 3 months). The morphological patterns of DME were classified on the basis of OCT into three groups – diffuse retinal thickening (DRT), cystoid macular edema (CME), and serous retinal detachment (SRD) – and changes in central macular thickness (CMT) and best corrected visual acuity (BCVA) after treatment were compared. Results: A total of 112 eyes with DME were included and consisted of 40 DRT, 37 CME, and 35 SRD. Treatment with bevacizumab resulted in decrease in central macular thickness and improvement in BCVA in all three groups. The baseline visual acuity and CMT of DRT group was better than that of the other two groups. The treatment outcome was measured in terms of CMT and BCVA. Change in CMT was statistically significant among three groups and was found to be better in DRT group (p < 0.05, 95% confidence interval). However, there was statistically no significant variation between the three groups regarding the change in BCVA (p = 0.169, 95% confidence interval). Conclusion: Anatomic and visual improvement can be achieved by bevacizumab in all patterns of DME. However, individual pattern may respond differently. DRT, which appears to be the earliest form of DME, responds better than other types. Thus, the pattern of macular edema shown by OCT may provide an objective guideline in predicting the response of bevacizumab injection in DME.","PeriodicalId":23054,"journal":{"name":"Therapeutic Advances in Ophthalmology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42158658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The prevalence of anxiety symptoms and disorders among ophthalmic disease patients. 眼病患者焦虑症状和障碍的患病率。
IF 2.5
Therapeutic Advances in Ophthalmology Pub Date : 2022-01-01 DOI: 10.1177/25158414221090100
Zulvikar Syambani Ulhaq, Gita Vita Soraya, Nadia Artha Dewi, Lely Retno Wulandari
{"title":"The prevalence of anxiety symptoms and disorders among ophthalmic disease patients.","authors":"Zulvikar Syambani Ulhaq,&nbsp;Gita Vita Soraya,&nbsp;Nadia Artha Dewi,&nbsp;Lely Retno Wulandari","doi":"10.1177/25158414221090100","DOIUrl":"https://doi.org/10.1177/25158414221090100","url":null,"abstract":"<p><strong>Background: </strong>Progressive and irreversible vision loss has been shown to place a patient at risk of mental health problems such as anxiety. However, the reported prevalence of anxiety symptoms and disorders among eye disease patients vary across studies. Thus, this study aims to clarify the estimated prevalence of anxiety symptoms and disorders among ophthalmic disease patients.</p><p><strong>Methods: </strong>Relevant studies on the prevalence of anxiety symptoms and disorders among eye disease patients were collected through international databases, PubMed, Scopus, and Web of Science. A random-effects model was used to determine the pooled prevalence of anxiety symptoms and disorders among ophthalmic disease patients.</p><p><strong>Results: </strong>The 95 included studies yielded a pooled prevalence of 31.2% patients with anxiety symptoms and 19.0% with anxiety disorders among subjects with ophthalmic disease. Pediatric patients were more anxious (58.6%) than adults (29%). Anxiety symptoms were most prevalent in uveitis (53.5%), followed by dry eye disease (DED, 37.2%), retinitis pigmentosa (RP, 36.5%), diabetic retinopathy (DR, 31.3%), glaucoma (30.7%), myopia (24.7%), age-related macular degeneration (AMD, 21.6%), and cataract (21.2%) patients. Anxiety disorders were most prevalent in thyroid eye disease (TED, 28.9%), followed by glaucoma (22.2%) and DED (11.4%). When compared with healthy controls, there was a twofold increase on the prevalence of anxiety symptoms (OR = 1.912, 95% CI 1.463-2.5, <i>p</i> < 0.001) and anxiety disorders (OR = 2.281, 95% CI 1.168-4.454, <i>p</i> = 0.016).</p><p><strong>Conclusion: </strong>Anxiety symptoms and disorders are common problems associated with ophthalmic disease patients. Thus, comprehensive and appropriate treatments are necessary for treating anxiety symptoms and disorders among ophthalmic disease patients.</p>","PeriodicalId":23054,"journal":{"name":"Therapeutic Advances in Ophthalmology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/6d/81/10.1177_25158414221090100.PMC9021519.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9178724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Combined photorefractive keratectomy and corneal collagen cross-linking for treatment of keratoconus: a 2-year follow-up study 联合光屈光性角膜切除术和角膜胶原交联治疗圆锥角膜:一项2年随访研究
IF 2.5
Therapeutic Advances in Ophthalmology Pub Date : 2022-01-01 DOI: 10.1177/25158414221083362
G. De Rosa, S. Rossi, Carmine Santamaria, Rosa Boccia, L. de Rosa, Francesco Maria D’Alterio, F. Simonelli
{"title":"Combined photorefractive keratectomy and corneal collagen cross-linking for treatment of keratoconus: a 2-year follow-up study","authors":"G. De Rosa, S. Rossi, Carmine Santamaria, Rosa Boccia, L. de Rosa, Francesco Maria D’Alterio, F. Simonelli","doi":"10.1177/25158414221083362","DOIUrl":"https://doi.org/10.1177/25158414221083362","url":null,"abstract":"Background: Corneal collagen cross-linking (CXL) is considered an effective procedure for slowing down or eliminating the progression of keratoconus. New techniques, in combination with CXL, have been proposed to stop the evolution of keratoconus and improve the visual function. Objective: To evaluate the effectiveness of combined photorefractive keratectomy (PRK) with mitomycin-C (MMC) application and CXL in the management of grade 1–2 keratoconus over a 2-year follow-up. Methods: Fifteen eyes underwent topography-guided PRK with 0.02% MMC application immediately followed by standard CXL. Results: Best corrected visual acuity improved from 0.15 ± 0.11 logMAR to 0.08 ± 0.09 logMAR at 24 months (p < 0.0001) in treated eyes. Mean steepest meridian keratometry reduced from 48.79 ± 3.22 D at baseline to 46.16 ± 3.11 D at 24 months (p < 0.0001). Mean flattest meridian keratometry reduced from 45.18 ± 2.17 D preoperatively to 44.35 ± 2.19 D at 24 months (p < 0.0001). Conclusion: Simultaneous topography-guided PRK with MMC 0.02% application and standard CXL is a safe, promising and effective procedure in the treatment of mild and moderate keratoconus.","PeriodicalId":23054,"journal":{"name":"Therapeutic Advances in Ophthalmology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42725573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A comprehensive review of intravitreal immunosuppressants and biologicals used in ophthalmology 眼科玻璃体内免疫抑制剂和生物制剂的综合综述
IF 2.5
Therapeutic Advances in Ophthalmology Pub Date : 2022-01-01 DOI: 10.1177/25158414221097418
Nasiq Hasan, R. Chawla, Nawazish Shaikh, Sindhuja Kandasamy, S. Azad, M. Sundar
{"title":"A comprehensive review of intravitreal immunosuppressants and biologicals used in ophthalmology","authors":"Nasiq Hasan, R. Chawla, Nawazish Shaikh, Sindhuja Kandasamy, S. Azad, M. Sundar","doi":"10.1177/25158414221097418","DOIUrl":"https://doi.org/10.1177/25158414221097418","url":null,"abstract":"Systemic immunosuppressants and biologicals have been a valuable tool in the treatment of inflammatory diseases and malignancies. The safety profile of these drugs has been debatable, especially in localized systems, such as the eye. This has led to the search for fairly local approaches, such as intravitreal, subconjunctival, and topical route of administration. Immunosuppressants have been used as a second-line drug in patients intolerable to corticosteroids or those who develop multiple recurrences on weaning corticosteroids. Similarly, biologicals have also been used as the next line of therapy, when adequate control of inflammation could not be attained or immunosuppressants were contraindicated to patients. Intravitreal immunosuppressants, such as methotrexate and sirolimus, have been extensively studied in noninfectious posterior uveitis, whereas limited studies have established the efficacy of intravitreal biologicals, such as infliximab and adalimumab. Most of these drugs have shown good safety profile and tolerability in animal studies alone and have not been studied further in human subjects. However, most of the studies in literature are single-case reports or case series which limits the level of evidence. In this comprehensive review, we discuss the mechanism of action, pharmacodynamics, pharmacokinetics, indications, efficacy, and side effects of different intravitreal immunosuppressants and biologicals that have been studied in literature.","PeriodicalId":23054,"journal":{"name":"Therapeutic Advances in Ophthalmology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46085284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Comment on 'Assessment of corneal endothelial cell morphology and anterior segment parameters in COVID-19'. 对“COVID-19角膜内皮细胞形态学和前段参数的评估”的评论。
IF 2.5
Therapeutic Advances in Ophthalmology Pub Date : 2022-01-01 DOI: 10.1177/25158414221138204
Nurettin Bayram
{"title":"Comment on 'Assessment of corneal endothelial cell morphology and anterior segment parameters in COVID-19'.","authors":"Nurettin Bayram","doi":"10.1177/25158414221138204","DOIUrl":"https://doi.org/10.1177/25158414221138204","url":null,"abstract":"a result of various protuberances on the endothelium, such as dead endothelial cells or cellular debris","PeriodicalId":23054,"journal":{"name":"Therapeutic Advances in Ophthalmology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/00/b9/10.1177_25158414221138204.PMC9742511.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10712800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of the radial peripapillary capillary density in unilateral branch retinal vein occlusion and the unaffected fellow eyes 单侧视网膜分支静脉闭塞及正常眼桡骨乳头周围毛细血管密度的评价
IF 2.5
Therapeutic Advances in Ophthalmology Pub Date : 2022-01-01 DOI: 10.1177/25158414221090092
C. U. Atılgan, Y. Goker, Gözde Hondur, P. Kosekahya, A. M. Koçer, M. Çıtırık
{"title":"Evaluation of the radial peripapillary capillary density in unilateral branch retinal vein occlusion and the unaffected fellow eyes","authors":"C. U. Atılgan, Y. Goker, Gözde Hondur, P. Kosekahya, A. M. Koçer, M. Çıtırık","doi":"10.1177/25158414221090092","DOIUrl":"https://doi.org/10.1177/25158414221090092","url":null,"abstract":"Background: Given that unilateral branch retinal vein occlusion (BRVO) and glaucoma share common systemic vascular risk factors, the fellow eyes of patients with BRVO may be at increased risk of glaucoma. Objectives: To analyze the radial peripapillary capillary density (RPCD) in eyes with unilateral BRVO and their unaffected fellow eyes using optical coherence tomography angiography (OCTA). Design: Cross-sectional, prospective study. Methods: The study included 120 eyes of 80 patients: 40 affected eyes of BRVO, 40 fellow eyes of BRVO, and 40 control eyes. The RPCD, retinal nerve fiber layer thickness (RNFLT) were analyzed using OCTA. Results: RPCDs in the whole image, peripapillary region, all the hemispheres, and quadrants were statistically lower in the affected eyes than in both the fellow and control eyes (p < 0.05 for all). RPCD values in the whole image and the peripapillary region were significantly lower in the fellow eyes than in the control eyes (p = 0.013, and p = 0.021, respectively). RNFLTs in the peripapillary region, inferior hemisphere and inferior quadrant were significantly lower in the affected eyes than in the control eyes (p < 0.05 for all). No significant differences were detected between the fellow eyes and the control eyes in term of RNFLT values in any regions (p > 0.05 for all). Conclusion: Lower RPCD values despite similar RNFLT values were observed in the fellow eyes of patients with unilateral BRVO compared with healthy controls. These results may indicate the shared vascular mechanisms and risk factors that account for the development of BRVO and glaucoma.","PeriodicalId":23054,"journal":{"name":"Therapeutic Advances in Ophthalmology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42895312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Use of biomaterials in corneal endothelial repair. 生物材料在角膜内皮修复中的应用。
IF 2.5
Therapeutic Advances in Ophthalmology Pub Date : 2021-12-23 eCollection Date: 2021-01-01 DOI: 10.1177/25158414211058249
Noor Ahmed Hussain, Francisco C Figueiredo, Che J Connon
{"title":"Use of biomaterials in corneal endothelial repair.","authors":"Noor Ahmed Hussain,&nbsp;Francisco C Figueiredo,&nbsp;Che J Connon","doi":"10.1177/25158414211058249","DOIUrl":"https://doi.org/10.1177/25158414211058249","url":null,"abstract":"<p><p>Human corneal endothelium (HCE) is a single layer of hexagonal cells that lines the posterior surface of the cornea. It forms the barrier that separates the aqueous humor from the rest of the corneal layers (stroma and epithelium layer). This layer plays a fundamental role in maintaining the hydration and transparency of the cornea, which in turn ensures a clear vision. <i>In vivo</i>, human corneal endothelial cells (HCECs) are generally believed to be nonproliferating. In many cases, due to their nonproliferative nature, any damage to these cells can lead to further issues with Descemet's membrane (DM), stroma and epithelium which may ultimately lead to hazy vision and blindness. Endothelial keratoplasties such as Descemet's stripping automated endothelial keratoplasty (DSAEK) and Descemet's membrane endothelial keratoplasty (DEK) are the standard surgeries routinely used to restore vision following endothelial failure. Basically, these two similar surgical techniques involve the replacement of the diseased endothelial layer in the center of the cornea by a healthy layer taken from a donor cornea. Globally, eye banks are facing an increased demand to provide corneas that have suitable features for transplantation. Consequently, it can be stated that there is a significant shortage of corneal grafting tissue; for every 70 corneas required, only 1 is available. Nowadays, eye banks face long waiting lists due to shortage of donors, seriously aggravated when compared with previous years, due to the global COVID-19 pandemic. Thus, there is an urgent need to find alternative and more sustainable sources for treating endothelial diseases, such as utilizing bioengineering to use of biomaterials as a remedy. The current review focuses on the use of biomaterials to repair the corneal endothelium. A range of biomaterials have been considered based on their promising results and outstanding features, including previous studies and their key findings in the context of each biomaterial.</p>","PeriodicalId":23054,"journal":{"name":"Therapeutic Advances in Ophthalmology","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/a1/03/10.1177_25158414211058249.PMC8721373.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39877558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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