Articles that mention Technical University of Munich -Optical Coherence Tomography News

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2. Towards phase-stabilized Fourier domain mode-locked frequency combs
  
  Explore Nature Publishing Group Sep 14 2022 Tunable Sources
  
  Fourier domain mode-locked (FDML) lasers are some of the fastest wavelength-swept light sources, and used in many applications like optical coherence tomography (OCT), OCT endoscopy, Raman microscopy, light detection and ranging, and two-photon microscopy. For a deeper understanding of the underlying laser physics, it is crucial to investigate the light field evolution of the FDML laser and to clarify whether the FDML laser provides a frequency comb structure. In this ...
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  Mentions: University of Lübeck Technical University of Munich Optores
3. Normative Data and Conversion Equation for Spectral-Domain Optical Coherence Tomography in an International Healthy Control Cohort
  
  Explore LWW Online Sep 2 2022 Ophthalmology
  
  Background: Spectral-domain (SD-) optical coherence tomography (OCT) can reliably measure axonal (peripapillary retinal nerve fiber layer [pRNFL]) and neuronal (macular ganglion cell + inner plexiform layer [GCIPL]) thinning in the retina. Measurements from 2 commonly used SD-OCT devices are often pooled together in multiple sclerosis (MS) studies and clinical trials despite software and segmentation algorithm differences; however, individual pRNFL and GCIPL thickness measurements are not interchangeable between devices. In some circumstances ...
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  Mentions: University College London Oregon Health & Science University Academic Medical Center at the University of Amsterdam
4. Surgical scene generation and adversarial networks for physics-based iOCT synthesis
  
  Explore Optica Publishing Group May 8 2022
  
  The development and integration of intraoperative optical coherence tomography (iOCT) into modern operating rooms has motivated novel procedures directed at improving the outcome of ophthalmic surgeries. Although computer-assisted algorithms could further advance such interventions, the limited availability and accessibility of iOCT systems constrains the generation of dedicated data sets. This paper introduces a novel framework combining a virtual setup and deep learning algorithms to generate synthetic iOCT data in a ...
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  Mentions: Johns Hopkins University Technical University of Munich
5. Stent Optimization Using Optical Coherence Tomography and Its Prognostic Implications After Percutaneous Coronary Intervention
  
  Explore Home | AHA/ASA Journals May 3 2022 Cardiology
  
  Background Stent underexpansion has been known to be associated with worse outcomes. We sought to define optical coherence tomography assessed optimal stent expansion index (SEI), which associates with lower incidence of follow-up major adverse cardiac events (MACEs). Methods and Results A total of 315 patients (involving 370 lesions) who underwent optical coherence tomography-aided coronary stenting were retrospectively included. SEI was calculated separately for equal halves of each stented segment using ...
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  Mentions: Technical University of Munich
6. Optical coherence tomography in coronary atherosclerosis assessment and intervention
  
  Explore Nature Publishing Group Apr 30 2022 Cardiology
  
  Since optical coherence tomography (OCT) was first performed in humans two decades ago, this imaging modality has been widely adopted in research on coronary atherosclerosis and adopted clinically for the optimization of percutaneous coronary intervention. In the past 10 years, substantial advances have been made in the understanding of in vivo vascular biology using OCT. Identification by OCT of culprit plaque pathology could potentially lead to a major shift in ...
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  Mentions: Brigham and Women’s Hospital Johns Hopkins University Massachusetts Institute of Technology
7. A Tool for High-Resolution Volumetric Optical Coherence Tomography by Compounding Radial-and Linear Acquired B-Scans Using Registration
  
  Explore MDPI Open Access Journals Platform Feb 15 2022
  
  Optical coherence tomography (OCT) is a medical imaging modality that is commonly used to diagnose retinal diseases. In recent years, linear and radial scanning patterns have been proposed to acquire three-dimensional OCT data. These patterns show differences in A-scan acquisition density across the generated volumes, and thus differ in their suitability for the diagnosis of retinal diseases. While radial OCT volumes exhibit a higher A-scan sampling rate around the scan ...
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  Mentions: Technical University of Munich
8. Optical coherence tomography tissue coverage and characterization at six months after implantation of bioresorbable scaffolds versus conventional everolimus eluting stents in the ISAR-Absorb MI trial
  
  Explore Home - Springer Aug 25 2021 Cardiology
  
  Purpose: Data regarding vessel healing by optical coherence tomography (OCT) after everolimus-eluting bioresorbable scaffolds (BRS) or everolimus-eluting metallic stent (EES) implantation in acute myocardial infarction (AMI) patients is scarce. We compared OCT findings after BRS or EES implantation in patients with AMI enrolled in a randomized trial. Methods: In ISAR-Absorb MI, AMI patients were randomized to BRS or EES implantation, with 6-8 month angiographic follow-up. This analysis includes patients who ...
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  Mentions: Technical University of Munich
9. In vivo optical molecular imaging of inflammation and immunity
  
  Explore Home - Springer Jul 19 2021
  
  Inflammation is the phenotypic form of various diseases. Recent development in molecular imaging provides new insights into the diagnostic and therapeutic evaluation of different inflammatory diseases as well as diseases involving inflammation such as cancer. While conventional imaging techniques used in the clinical setting provide only indirect measures of inflammation such as increased perfusion and altered endothelial permeability, optical imaging is able to report molecular information on diseased tissue and ...
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  Mentions: Technical University of Munich
10. Optical coherence tomography angiography indicates subclinical retinal disease in neuromyelitis optica spectrum disorders
  
  Explore SAGE Journals Jul 15 2021 Ophthalmology
  
  Background: Neuromyelitis optica spectrum disorders (NMOSD) are neuroinflammatory diseases of the central nervous system. Patients suffer from recurring relapses and it is unclear whether relapse-independent disease activity occurs and whether this is of clinical relevance. Objective: To detect disease-specific alterations of the retinal vasculature that reflect disease activity during NMOSD. Methods: Cross-sectional analysis of 16 patients with NMOSD, 21 patients with relapsing-remitting multiple sclerosis, and 21 healthy controls using retinal ...
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  Mentions: Technical University of Munich
11. Repeatability and Reproducibility of Macular Hole Size Measurements Using Optical Coherence Tomography
  
  Explore MDPI Open Access Journals Platform Jul 5 2021 Ophthalmology
  
  The purpose of this study was to assess the repeatability and reproducibility of measuring the minimum linear diameter (MLD) of macular holes (MHs) using horizontal linear and radial scan modes in optical coherence tomography (OCT). Patients with concurrent sets of radial and horizontal linear OCT volume scans were included. The MLD was measured twice in both scan modes by six raters of three different experience levels (groups). Outcome measures were ...
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  Mentions: Technical University of Munich
12. Processing-Aware Real-Time Rendering for Optimized Tissue Visualization in Intraoperative 4D OCT
  
  Explore Home - Springer Jun 5 2021 Ophthalmology
  
  Intraoperative Optical Coherence Tomography (iOCT) has advanced in recent years to provide real-time high resolution volumetric imaging for ophthalmic surgery. It enables real-time 3D feedback during precise surgical maneuvers. Intraoperative 4D OCT generally exhibits lower signal-to-noise ratio compared to diagnostic OCT and visualization is complicated by instrument shadows occluding retinal tissue. Additional constraints of processing data rates upwards of 6GB/s create unique challenges for advanced visualization of 4D OCT ...
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  Mentions: Johns Hopkins University Carl Zeiss Meditec Technical University of Munich
13. The APOSTEL 2.0 Recommendations for Reporting Quantitative Optical Coherence Tomography Studies
  
  Explore Neurology May 1 2021 Neurology
  
  Objective: To update the consensus recommendations for reporting of quantitative optical coherence tomography (OCT) study results, thus revising the previously published Advised Protocol for OCT Study Terminology and Elements (APOSTEL) recommendations. Methods: To identify studies reporting quantitative OCT results, we performed a PubMed search for the terms "quantitative" and "optical coherence tomography" from 2015 to 2017. Corresponding authors of the identified publications were invited to provide feedback on the initial ...
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  Mentions: University of Toronto Johns Hopkins University University College London
14. Real-time tool to layer distance estimation for robotic subretinal injection using intraoperative 4D OCT
  
  Explore OSA | OSA Publishing Mar 8 2021 Ophthalmology
  
  The emergence of robotics could enable ophthalmic microsurgical procedures that were previously not feasible due to the precision limits of manual delivery, for example, targeted subretinal injection. Determining the distance between the needle tip, the internal limiting membrane (ILM), and the retinal pigment epithelium (RPE) both precisely and reproducibly is required for safe and successful robotic retinal interventions. Recent advances in intraoperative optical coherence tomography (iOCT) have opened the path ...
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  Mentions: Johns Hopkins University Technical University of Munich
15. Functional recovery after macula involving retinal detachment and its correlation with preoperative biomarkers in optical coherence tomography
  
  Explore Home - Springer Mar 8 2021 Ophthalmology
  
  To introduce an ETDRS grid-based classification for macula involving retinal detachment (MIRD) with or without center (foveal) involvement and to identify biomarkers in preoperative optical coherence tomography (OCT) associated with a favorable postoperative functional outcome in eyes with center involving retinal detachment (CIRD). One hundred and two eyes of 102 consecutive patients (f/m: 35/67) with primary rhegmatogenous retinal detachment, preoperative evidence of MIRD (perifoveal involvement of 6.0 ...
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  Mentions: Technical University of Munich
16. Novel deep learning method enables clinic-ready automated screening for diabetes-related eye disease
  
  Explore Medical Xpress Nov 12 2020 Ophthalmology
  
  ...man experts Researchers at Helmholtz Zentrum München together with LMU University Eye Hospital Munich and the Technical University of Munich (TUM) created a novel deep learning method that makes automated screenings for ...
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  Mentions: Technical University of Munich
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