Purpose: To compare volumetric optical coherence tomography (OCT) biomarkers in bevacizumab responsive and bevacizumab refractory diabetic macular edema (DME) patients switched to the dexamethasone implant to ultimately identify possible prognostic indicators.
Methods: Retrospective analysis of DME patients treated with bevacizumab were done. Patients were divided into those who showed response to bevacizumab (bevacizumab only group) and others who were switched to the dexamethasone implant due to lack of response to bevacizumab (switching group). Volumetric OCT biomarkers such as central macular thickness (CMT), inner and outer cystoid macular edema (CME) volume, serous retinal detachment (SRD) volume, retinal volume (CME + SRD volume) within the 6-mm Early Treatment of Diabetic Retinopathy Study circle were calculated. OCT biomarkers were followed up throughout treatment.
Results: Among total of 144 eyes, 113 patients were included in the bevacizumab only group and 31 patients were included in the switching group. Compared to the bevacizumab only group, the switching group showed higher baseline CMT (558.00 ± 209.60 µm vs. 454.96 ± 125.88 µm, p = 0.003), larger inner CME (6.02 ± 1.43 mm3 vs. 5.12 ± 0.87 mm3, p = 0.004) and SRD volume (0.32 ± 0.40 mm3 vs. 0.11 ± 0.09 mm3, p = 0.015) and higher proportion of patients with SRD (58.06% vs. 31.86%, p = 0.008). In the switching group, CMT, inner CME and SRD volume all showed significant reduction after switching to the dexamethasone implant.
Conclusions: DME with large SRD and inner nuclear layer edema volume may be more effectively treated with the dexamethasone implant than bevacizumab.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10151166 | PMC |
| http://dx.doi.org/10.3341/kjo.2022.0109 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Antibacterial and osteogenic gain strategy on titanium surfaces for preventing implant-related infections.
Colloids Surf B Biointerfaces
December 2024
College of Chemical Engineering, Xinjiang Normal University, 102 Xinyi Road, Urumqi 830054, P.R. China. Electronic address:
Infection and insufficient osseointegration are the primary factors leading to the failure of titanium-based implants. Surface coating modifications that combine both antibacterial and osteogenic properties are commonly employed strategies. However, the challenge of achieving rapid antibacterial action and consistent osteogenesis with these coatings remains unresolved.
View Article and Find Full Text PDFSafety and efficacy of supraciliary dexamethasone implantation for macular oedema: a preliminary comparative study.
Eye (Lond)
January 2025
Department of Ophthalmology, Bursa Uludag University School of Medicine, Bursa, Turkey.
Purpose: To evaluate the efficacy and safety of dexamethasone implantation in the supraciliary (SC) space, a novel and potential effective implantation site, compared to intravitreal (IV) application.
Methods: This prospective study included 39 eyes of 38 patients with macular oedema (ME) who underwent SC and IV dexamethasone implantation (SC-DEX and IV-DEX). Patients were randomly assigned to treatment groups and followed for 3 months.
A Combinatory Therapy of Metformin and Dexamethasone Reduces the Foreign Body Reaction to Intraneural Electrodes.
Cells
December 2024
Institute of Neurosciences, Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain.
Neural electrodes used for bidirectional communication between the nervous system and external devices like prosthetic limbs have advanced in neuroprosthetic applications. However, their effectiveness is hindered by the foreign body reaction, a natural immune response causing inflammation and fibrosis around the implanted device. This process involves protein adsorption, immune cell recruitment, cytokine release, and fibroblast activation, leading to a fibrous capsule formation and a decrease in electrode functionality.
View Article and Find Full Text PDFA Dexamethasone Implant adherent to Fovea: A Case Report.
Korean J Ophthalmol
December 2024
Department of Ophthalmology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
Intraoperative OCT-Guided Selective Epiretinal Membrane (ERM) Peeling Versus ERM and Internal Limiting Membrane Peeling for Tractional Macular Edema in Diabetic Eyes.
Diagnostics (Basel)
November 2024
Department of Ophthalmology, Policlinico Riuniti Foggia, University of Foggia, 71122 Foggia, Italy.
Background And Aim: Despite the abundant literature, internal limiting membrane (ILM) peeling remains a controversial topic, especially in diabetic eyes. We compared the safety and effectiveness of intraoperative optical coherence tomography (iOCT)-assisted selective epiretinal membrane (ERM) peeling with dye-assisted ERM and ILM peeling, for the treatment of tractional diabetic macular edema (tDME).
Material And Methods: In this single-center retrospective study, we evaluated consecutive patients with tDME who underwent iOCT-assisted selective ERM peeling (Group A) or "dual blue" dye-assisted ERM and ILM peeling (Group B).
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!