AI Article Synopsis
- The study examines the effectiveness of Swept-source optical coherence tomography (SS-OCT) in detecting early graft detachment after Descemet membrane endothelial keratoplasty (DMEK) using two imaging protocols.
- In eight cases studied, all had early graft detachment detectable by SS-OCT, with the 6-mm protocol showing greater sensitivity for detailed imaging, while the 16-mm protocol efficiently scanned the whole cornea.
- The findings indicate that SS-OCT provides valuable additional diagnostic information beyond standard biomicroscopy, enhancing the ability to identify graft issues and their causes.
Article Abstract
Purpose: To evaluate the ability of Swept-source optical coherence tomography (SS-OCT) in detecting early endothelial graft detachment after Descemet membrane endothelial keratoplasty (DMEK) and to determine the possible causes of graft detachment using 2 different protocols for anterior segment (AS) imaging.
Methods: Eight eyes from 8 consecutive DMEK surgeries were evaluated. High-resolution images were captured with SS-OCT using 2 different radial protocols for AS imaging (16- and 6-mm radial protocols). Central and peripheral corneal changes were evaluated.
Results: All eyes developed early graft detachment detectable with the SS-OCT. The 16-mm radial protocol scanned the cornea detecting early graft detachment in 6 out of 8 cases. The 6-mm radial protocol provided detailed images of the cornea, detecting early detachment in all cases. Stromal irregularities and small remnants only detectable using SS-OCT were the possible cause of detachment in 3 cases. One of the 8 eyes had air reinjection. The detachment in that eye was apparent by slit-lamp examination. The detachments spontaneously resolved in the other 7 eyes. AS SS-OCT evaluation was found to have added diagnostic value to biomicroscopy in 5 of these eyes (64.5%).
Conclusions: AS SS-OCT is sensitive in detecting early graft detachment after DMEK. The 16-mm radial protocol of Triton SS-OCT is superior regarding quick scan of the entire cornea providing a general visualization of the DMEK graft. The 6-mm radial protocol provides detailed corneal imaging of a selected area, which is useful for evaluating structural alterations that are not detectable with larger scans and may affect the adherence of the endothelial graft.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1097/ICO.0000000000000925 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Outcomes and safety of Descemet's membrane endothelial keratoplasty (DMEK) as a surgical treatment for corneal endothelial dysfunction: A multicenter study.
J Fr Ophtalmol
January 2025
Service d'ophtalmologie, hôpital La Timone, 264, rue Saint-Pierre, 13005 Marseille, France.
Purpose: To analyze the outcomes and frequency of complications after Descemet's membrane endothelial keratoplasty (DMEK) and evaluate the parameters associated with the occurrence of these complications.
Methods: A multicenter retrospective study of 143 DMEK procedures performed consecutively by five surgeons between June 2018 and March 2021 was performed. Surgeon-specific surgical and graft characteristics were also assessed.
Repair of Descemet's membrane detachment following inadvertent intrastromal viscoelastic injection for hypotony: anterior and posterior approaches.
BMJ Case Rep
January 2025
Department of Ophthalmology, Royal Free London NHS Foundation Trust, London, UK
Descemet's membrane (DM) detachment is a significant, if rare, risk of intracameral injection of viscoelastic to treat hypotony after glaucoma filtration surgery. We describe two cases of DM detachment following inadvertent injection of viscoelastic into the posterior stroma and the techniques used for their repair. In both cases, conventional air tamponade failed to resolve the detachment, and further surgical intervention was required.
View Article and Find Full Text PDFThe Effect of Elastomer Content and Annealing on the Physical Properties of Upcycled Polyethylene Terephthalate-Maleated Styrene Ethylene Butylene Styrene Blends for Additive Manufacturing.
Materials (Basel)
December 2024
Polymer Extrusion Lab, The University of Texas at El Paso, El Paso, TX 79968, USA.
In the work presented here, we explore the upcycling of polyethylene terephthalate (PET) that was derived from water bottles. The material was granulated and extruded into a filament compatible with fused filament fabrication (FFF) additive manufacturing platforms. Three iterations of PET combined with a thermoplastic elastomer, styrene ethylene butylene styrene with a maleic anhydride graft (SEBS-g-MA), were made with 5, 10, and 20% by mass elastomer content.
View Article and Find Full Text PDFDetachment of the Intersegmental Plane in Robotic Left Hepatectomy Using Indocyanine Green Fluorescent Imaging (with Video).
Ann Surg Oncol
January 2025
Center for Liver and Pancreatobiliary Cancer, National Cancer Center, Goyang-si, Korea.
Background: Anatomical liver resection has been altered by a deeper understanding of the internal structure of the liver, highlighting the importance of the intersegmental plane, a region lacking Glissonean branches. These insights have enabled a novel surgical technique focused on the precise detachment of the intersegmental plane, supported by indocyanine green (ICG) fluorescent imaging and robotic platforms, enhancing the precision and safety of liver resection.
Methods: This study involved four patients who underwent robotic left hepatectomy using the Da Vinci Xi system.
Reoperation for chronological complete dislodgement of the bioprosthetic aortic valve into the left ventricle due to Takayasu arteritis.
Gen Thorac Cardiovasc Surg Cases
December 2024
Department of Cardiovascular Surgery, Kyushu University Hospital, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan.
Background: Takayasu arteritis is a large-vessel vasculitis, in addition to giant cell arteritis. Various post-operative complications associated with the cardiac macrovasculature have been reported. Detachment of the prosthetic valve, pseudoaneurysm formation, and dilatation of the aortic root are well-known post-operative complications associated with vasculitis syndromes, including Takayasu arteritis.
View Article and Find Full Text PDFWant 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!