7 research outputs found
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Vision-Related Quality of Life in Patients with Ocular Graft-versus-Host Disease
Objective
To assess the vision-related quality of life in a cohort of patients with ocular graft-versus-host disease (GVHD).
Design
Prospective study.
Participants
Eighty-four patients diagnosed with chronic ocular GVHD
Methods
We assessed the vision-related quality of life with the 25-item National Eye Institute Visual Function Questionnaire (NEI-VFQ-25). The symptoms of ocular GVHD were assessed using the Ocular Surface Disease Index (OSDI) and Symptom Assessment in Dry Eye (SANDE) questionnaires.
Main outcome measures
We assessed vision-related quality of life with NEI-VFQ-25 and compared the scores obtained from patients with ocular GVHD to those from a healthy population. In the ocular GVHD population, we also evaluated the associations between the NEI-VFQ-25 and dry eye symptoms measured by OSDI and SANDE questionnaires, age, duration of disease, best-corrected visual acuity, corneal fluorescein staining, tear break-up time, and Schirmer test.
Results
The mean composite NEI-VFQ-25 score in patients with ocular GVHD was 76.5 ± 17. Compared to healthy subjects, ocular GVHD patients reported reduced scores on all NEI-VFQ-25 subscales (each P < 0.001) with exception of color vision (P = 0.11). The NEI-VFQ-25 composite scores significantly correlated with OSDI (R = −0.81, P < 0.001), SANDE (R = −0.56, P < 0.001), corneal fluorescein staining (R = −0.36, P = 0.001) and best-corrected visual acuity (R = −0.30, P = 0.004).
Conclusion
Patients with ocular GVHD experience measurable impairment of vision-related quality of life. This study highlights the impact of ocular GVHD on the vision-related quality of life, and hence the importance of comprehensive diagnosis and treatment of this condition
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Systemic Immunomodulatory Strategies in High-risk Corneal Transplantation
The cornea is the most commonly transplanted tissue in the body. Although corneal grafts generally have high success rates, transplantation onto inflamed and vascularized host beds, or so-called high-risk corneal transplantation, has a high rate of graft rejection. The management of this high-risk corneal transplantation is challenging and involves numerous measures. One of the key measures to prevent graft rejection in these cases is the use of systemic immunosuppressive agents. In this article, we will review the systemic immunosuppressive agents most commonly used for high-risk corneal transplantation, which include corticosteroids, cysclosporine A, tacrolimus, mycophenolate mofetil, and rapamycin. Benefits, risks, and published data on the use of these medications for high-risk corneal transplantation will be detailed. We will also summarize novel immunoregulatory approaches that may be used to prevent graft rejection in high-risk corneal transplantation
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Reduced Corneal Endothelial Cell Density in Patients With Dry Eye Disease
Purpose
To evaluate corneal endothelial cell density (ECD) in patients with dry eye disease (DED) compared to an age-matched control group.
Design
Cross-sectional, controlled study
Methods
This study included 90 eyes of 45 patients with moderate-to-severe DED (53.7 ± 9.8 years old) and 30 eyes of 15 normal controls (50.7 ± 9.8 years old). All subjects had a complete ophthalmic evaluation including symptom assessment using the Ocular Surface Disease Index (OSDI) and corneal fluorescein staining. In addition, laser scanning in vivo confocal microscopy was performed to measure the density of the following parameters in the central cornea: endothelial cells, subbasal nerves, and subbasal immune dendritic cells.
Results
Corneal ECD was significantly lower in the DED group (2595.8 ± 356.1 cells/mm2) than in the control group (2812.7 ± 395.2 cells/mm2, P=0.046). The DED group showed significantly lower corneal subbasal nerve density (17.1 ± 6.9 mm/mm2) compared to the control group (24.7 ± 4.4 mm/mm2, P<0.001). Dendritic cell density was significantly higher in the DED group than in the controls (111.7 ± 137.3 versus 32.0 ± 24.4 cells/mm2, respectively, P=0.002). There were statistically significant correlations between corneal ECD and dry eye severity parameters including the OSDI score (rs= −0.26, P=0.03), and corneal fluorescein staining (rs= −0.28, P=0.008).
Conclusions
There is a significant reduction in corneal ECD in DED which correlates with clinical severity of the disease