Articles that mention University of Illinois at Urbana-Champaign -Optical Coherence Tomography News

University of Illinois at Urbana-Champaign

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1. Mentioned In 257 Articles
2. Longitudinal optical coherence tomography to visualize the in vivo response of middle ear biofilms to antibiotic therapy
  
  Explore Nature Publishing Group Mar 5 2021 Otolaryngology
  
  Studying the impact of antibiotic treatment on otitis media (OM), the leading cause of primary care office visits during childhood, is critical to develop appropriate treatment strategies. Tracking dynamic middle ear conditions during antibiotic treatment is not readily applicable in patients, due to the limited diagnostic techniques available to detect the smaller amount and variation of middle ear effusion (MEE) and middle ear bacterial biofilm, responsible for chronic and recurrent ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign
3. Simultaneous 4-phase-shifted full-field optical coherence microscopy
  
  Explore OSA | OSA Publishing Jan 25 2021
  
  A new method is presented for full-field optical coherence tomography imaging, which permits capturing single shot phase sensitive imaging through simultaneous acquisition of four phase-shifted images with a single camera using unpolarized light for object illumination. Our method retains the full dynamic range of the camera by using different areas of a single camera sensor to capture each image. We demonstrate the performance of our method by imaging phantoms and ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign Mantas Zurauskas
4. In vivo dynamic characterization of the human tympanic membrane using pneumatic optical coherence tomography
  
  Explore Wiley Online Library Jan 14 2021 Otolaryngology
  
  Decreased mobility of the human eardrum, the tympanic membrane (TM), is an essential indicator of a prevalent middle ear infection. The current diagnostic method to assess TM mobility is via pneumatic otoscopy, which provides subjective and qualitative information of subtle motion. In this study, a handheld spectral-domain pneumatic optical coherence tomography system was developed to simultaneously measure the displacement of the TM, air pressure inputs applied to a sealed ear ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign Ryan L. Shelton
5. Efficacy of endotracheal tube suctioning in intubated intensive care unit patients determined by in vivo catheter-based optical coherence tomography—a pilot study
  
  Explore Home Dec 30 2020 Otolaryngology
  
  Background: Mechanical ventilation using an endotracheal tube (ETT) is one of the critical interventions given to patients in the intensive care unit (ICU). ETTs are associated with the formation of biofilms, placing patients at increased risk for developing ventilator-associated pneumonia (VAP). ETT suctioning is used to remove secretions, reduce bacterial colonization, and reduce the rate of biofilm formation. However, current standard-of-care suctioning procedures do not adequately eliminate all secretions from ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign Eric J. Chaney
6. Handheld optical coherence tomography for clinical assessment of dental plaque and gingiva
  
  Explore SPIE Digital Library Nov 29 2020 Dentistry
  
  Significance: Optical coherence tomography (OCT) offers high spatial resolution and contrast for imaging intraoral structures, yet few studies have investigated its clinical feasibility for dental plaque and gingiva imaging in vivo. Furthermore, the accessibility is often limited to anterior teeth due to bulky imaging systems and probes. Aim: A custom-designed, handheld probe-based, spectral-domain OCT system with an interchangeable attachment was developed to assess dental plaque and gingival health in a ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign Eric J. Chaney
7. Statistical evaluation of reader variability in assessing the diagnostic performance of optical coherence tomography
  
  Explore SPIE Digital Library Nov 13 2020 Oncology
  
  Significance: Optical coherence tomography (OCT) is widely used as a potential diagnostic tool for a variety of diseases including various types of cancer. However, sensitivity and specificity analyses of OCT in different cancers yield results varying from 11% to 100%. Hence, there is a need for more detailed statistical analysis of blinded reader studies. Aim: Extensive statistical analysis is performed on results from a blinded study involving OCT of breast ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign
8. The feasibility and utility of optical coherence tomography directed histopathology for surgical margin assessment of canine mast cell tumors
  
  Explore Wiley Online Library Sep 21 2020 Oncology
  
  Histopathologic surgical margin assessment in veterinary patients is an imprecise science with assessment limited to a small proportion of the surgical margin due to time and finances. Incomplete excision of canine mast cell tumors (MCTs) alters treatment recommendations and prognosis. Optical coherence tomography (OCT) is a novel imaging modality that has been reported in a single veterinary study for surgical margin assessment. Twenty‐five dogs with 34 MCTs were enrolled ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign The Ohio State University
9. Suspended scattering particles in motion using OCT angiography in branch retinal vein occlusion disease cases with cystoid macular edema
  
  Explore Nature Publishing Group Aug 24 2020 Ophthalmology
  
  We aimed to investigate the clinical implication of suspended scattering particles in motion (SSPiM) using optical coherence tomography angiography (OCTA) among branch retinal vein occlusion disease (BRVO) cases with macular edema (ME). Medical records of BRVO patients were reviewed. Central retinal thickness (CRT), ME type, and cyst size on optical coherence tomography images were evaluated before and after intravitreal bevacizumab injection. Nonperfusion area, SSPiM, and microvascular abnormalities in OCTA images ...
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  Mentions: University of Illinois at Urbana-Champaign
10. Bioengineering Professor Stephen Boppart appointed as a Grainger Distinguished Chair of Engineering
  
  Explore Home | Bioengineering | U of I Aug 12 2020
  
  ...ckman Institute for Advanced Science and Technology . Boppart has also served as the founding director of the Mills Breast Cancer Institute and holds a research position with Carle Foundation Hospital in Urbana, Illinois...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign FDA
11. Automated fast computational adaptive optics for optical coherence tomography based on a stochastic parallel gradient descent algorithm
  
  Explore OSA | OSA Publishing Jul 29 2020
  
  The transverse resolution of optical coherence tomography is decreased by aberrations introduced from optical components and the tested samples. In this paper, an automated fast computational aberration correction method based on a stochastic parallel gradient descent (SPGD) algorithm is proposed for aberration-corrected imaging without adopting extra adaptive optics hardware components. A virtual phase filter constructed through combination of Zernike polynomials is adopted to eliminate the wavefront aberration, and their coefficients ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign Dan Zhu
12. Single-shot two-dimensional spectroscopic magnetomotive optical coherence elastography with graphics processing unit acceleration
  
  Explore OSA | OSA Publishing Jul 22 2020
  
  Biomechanical contrast within tissues can be assessed based on the resonant frequency probed by spectroscopic magnetomotive optical coherence elastography (MM-OCE). However, to date, in vivo MM-OCE imaging has not been achieved, mainly due to the constraints on imaging speed. Previously, spatially-resolved spectroscopic contrast was achieved in a multiple-excitation, multiple-acquisition manner, where seconds of coil cooling time set between consecutive imaging frames lead to total acquisition times of tens of minutes ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign
13. Optical coherence tomography imaging of excised canine apocrine gland anal sac adenocarcinoma tumors
  
  Explore Wiley Online Library Jun 21 2020 Gastroenterology , Oncology
  
  Optical coherence tomography (OCT) is an optical imaging modality that has been investigated for real‐time surgical margin evaluation in human breast cancer patients. Previous veterinary OCT studies have been limited to surgical margin imaging for soft tissue sarcoma (STS) tumors. To the authors knowledge, OCT has never been used to characterize or evaluate other types of neoplasia in dogs. The goal of this study was to characterize the OCT ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign
14. Evaluating optical coherence tomography for surgical margin assessment of canine mammary tumors
  
  Explore Wiley Online Library Jun 21 2020 Oncology
  
  Optical coherence tomography (OCT) uses near‐infrared light waves to generate real‐time, high‐resolution images on the microscopic scale similar to low power histopathology. Previous studies have demonstrated the use of OCT for real‐time surgical margin assessment for human breast cancer. The use of OCT for canine mammary tumors (CMT) could allow intra‐operative visualization of residual tumor at surgical margins. The purpose of this study was to ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign Marina Marjanovic
15. UIUC Receives NIH Grant for A Snapshot Adaptive Optics and Hyperspectral Autofluorescence Fundus Camera for Age-Related Macular Degeneration (AMD)
  
  Explore Optical Coherence Tomography News Mar 17 2020 Ophthalmology , Funding
  
  ...me testing of prospective therapeutic agents, saving sight and thereby providing enormous benefit to society. University of Illinois at Urbana-Champaign Receives a 2020 NIH Grant for $445,996 for A Snapshot Adaptive Opti...
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  Mentions: National Institutes of Health University of Illinois at Urbana-Champaign
16. Otitis Media Middle Ear Effusion Identification and Characterization Using an Optical Coherence Tomography Otoscope
  
  Explore SAGE Journals Jan 25 2020 Otolaryngology
  
  Objective To determine the feasibility of detecting and differentiating middle ear effusions (MEEs) using an optical coherence tomography (OCT) otoscope. Study Design Cross-sectional study. Setting US tertiary care childrens hospital. Subjects and Methods Seventy pediatric patients undergoing tympanostomy tube placement were preoperatively imaged using an OCT otoscope. A blinded reader quiz was conducted using 24 readers from 4 groups of tiered medical expertise. The primary outcome assessed was reader ability ...
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  Mentions: Stephen A. Boppart University of Illinois at Urbana-Champaign Ryan L. Shelton
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