1. University of Sydney

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    1. Mentioned In 61 Articles

    2. DRUNET: A Dilated-Residual U-Net Deep Learning Network to Digitally Stain Optic Nerve Head Tissues in Optical Coherence Tomography Images

      Explore arxiv.org Ophthalmology
      DRUNET: A Dilated-Residual U-Net Deep Learning Network to Digitally Stain Optic Nerve Head Tissues in Optical Coherence Tomography Images
      Given that the neural and connective tissues of the optic nerve head (ONH) exhibit complex morphological changes with the development and progression of glaucoma, their simultaneous isolation from optical coherence tomography (OCT) images may be of great interest for the clinical diagnosis and management of this pathology. A deep learning algorithm was designed and trained to digitally stain (i.e. highlight) 6 ONH tissue layers by capturing both the local ...
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      Mentions: University College London Singapore Eye Research Institute National University of Singapore

    3. Comparing optical coherence tomography findings in different aetiologies of infectious necrotising retinitis

      Explore BJO Online Ophthalmology
      Comparing optical coherence tomography findings in different aetiologies of infectious necrotising retinitis
      Abstract Aims To compare optical coherence tomography (OCT) features of active necrotising infectious retinitis (NIR) due to toxoplasmosis or herpesviruses and to determine distinctive OCT signs for these two causes of infectious retinitis. Methods OCT scans from eyes with active NIR due to varicella zoster virus (VZV), herpes simplex virus (HSV), cytomegalovirus (CMV), and toxoplasmosis (TOXO) were reviewed. All images were evaluated for the presence of previously described OCT findings ...
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      Mentions: University of Sydney University of Milan Giovanni Staurenghi

    4. Clinical Significance of Lipid-Rich Plaque Detected by Optical Coherence Tomography : A 4-Year Follow-Up Study

      Explore ScienceDirect Cardiology
      Clinical Significance of Lipid-Rich Plaque Detected by Optical Coherence Tomography : A 4-Year Follow-Up Study
      Background Lipid-rich plaque (LRP) is thought to be a precursor to cardiac events. However, its clinical significance in coronary arteries has never been systematically investigated. Objectives This study investigated the prevalence and clinical significance of LRP in the nonculprit region of the target vessel in patients undergoing percutaneous coronary intervention (PCI). Methods The study included 1,474 patients from 20 sites across 6 countries undergoing PCI, who had optical coherence ...
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      Mentions: University of Pittsburgh Massachusetts Institute of Technology James G. Fujimoto

    5. Feature Of The Week 05/28/2017: In Vivo 3-Dimensional Strain Mapping Confirms Large Optic Nerve Head Deformations Following Horizontal Eye Movements

      Explore Optical Coherence Tomography News Ophthalmology
      Feature Of The Week 05/28/2017: In Vivo 3-Dimensional Strain Mapping Confirms Large Optic Nerve Head Deformations Following Horizontal Eye Movements
      Glaucoma is characterized by an irreversible damage of retinal ganglion cells within the optic nerve head (ONH) at the back of the eye. Currently we know that elevated intraocular pressure (IOP) is associated with increased prevalence of glaucoma but not all glaucoma patients have an elevated IOP. The biomechanical theory of glaucoma hypothesizes that elevated (or fluctuating) IOP deforms the ONH tissues, including the lamina cribrosa (LC), and that these ...
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      Mentions: Duke University University College London National University of Singapore

    6. Accuracy of optical coherence tomography for the diagnosis of superficial basal cell carcinoma – a prospective, consecutive, cohort study of 168 cases

      Explore Wiley Online Library Dermatology , Oncology
      Accuracy of optical coherence tomography for the diagnosis of superficial basal cell carcinoma – a prospective, consecutive, cohort study of 168 cases
      ...he most expensive cancers to treat.(4) Melanoma Institute Australia, North Sydney, New South Wales, Australia University of Sydney, Sydney Medical School, Sydney, New South Wales, Australia Royal Prince Alfred Hospital, ...
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      Mentions: University of Sydney

    7. Progressive Loss of Retinal Ganglion Cells and Axons in Nonoptic Neuritis Eyes in Multiple Sclerosis: A Longitudinal Optical Coherence Tomography Study

      Explore IOVS Journal Ophthalmology
      Progressive Loss of Retinal Ganglion Cells and Axons in Nonoptic Neuritis Eyes in Multiple Sclerosis: A Longitudinal Optical Coherence Tomography Study
      Purpose : To examine the rate of retinal ganglion cell (RGC) layer and retinal nerve fiber layer (RNFL) changes in nonoptic neuritis (NON) eyes of relapsing remitting multiple sclerosis (RRMS) patients, and to find a specific imaging parameter useful for identifying disease progression. Methods : Forty-five consecutive RRMS patients and 20 age- and sex-matched healthy subjects were enrolled. All patients were followed up for 3 years with annual optical coherence tomography (OCT ...
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      Mentions: University of Sydney Alexander Klistorner

    8. Associations between preoperative OCT parameters and visual outcome 3 months postoperatively in patients undergoing vitrectomy for idiopathic epiretinal membrane

      Explore Home - Springer Ophthalmology
      Associations between preoperative OCT parameters and visual outcome 3 months postoperatively in patients undergoing vitrectomy for idiopathic epiretinal membrane
      Purpose To evaluate the effect of preoperative optical coherence tomography (OCT) features on postoperative visual acuity and change in acuity after epiretinal membrane (ERM) surgery. Methods This was a retrospective consecutive case series of patients with symptomatic idiopathic ERMs who underwent vitrectomy and membrane peel between 2008 and 2013. The main outcomes were postoperative letter score and change in letter score. The association between visual acuity and OCT features was ...
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      Mentions: University of Sydney

    9. Optical coherence tomography-guided percutaneous coronary intervention in pre-terminal chronic kidney disease with no radio-contrast administration

      Explore Oxford Journals Cardiology , Urology
      Optical coherence tomography-guided percutaneous coronary intervention in pre-terminal chronic kidney disease with no radio-contrast administration
      A 67-year-old man with advanced chronic kidney disease (CKD) (creatinine = 4.5 mg/dL, eGFR = 13 mL/min/1.73 m 2 ) not requiring haemodialysis presented with progressive angina. Diagnostic angiography with ultra-low radio-contrast volume (12 mL, contrast volume/eGFR ratio 1) revealed significant stenosis in the left anterior descending (LAD) artery ( Panel A ). The lesion was haemodynamically significant (fractional flow reserve: 0.77). Post-angiography, the
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      Mentions: Cardiovascular Research Foundation University of Sydney Martin B. Leon

    10. Optical coherence tomography for serial in vivo imaging of aortic plaque in the rabbit: a preliminary experience

      Explore Open Heart Cardiology
      Optical coherence tomography for serial in vivo imaging of aortic plaque in the rabbit: a preliminary experience
      Background In this pilot feasibility study, we aimed to establish a reproducible means of performing serial optical coherence tomography (OCT) procedures in the abdominal aorta of the cholesterol-fed rabbit. Methods Eight cholesterol-fed New Zealand White rabbits were assigned to abdominal aortic balloon injury at baseline (n=6) or as controls (n=2). Three of the balloon injured rabbits received statins from weeks 6 to 12 post balloon injury. OCT of ...
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      Mentions: University of Sydney

    11. Comparison of two dimensional quantitative coronary angiography (2D-QCA) with optical coherence tomography (OCT) in the assessment of coronary artery lesion dimensions

      Explore ScienceDirect Cardiology
      Comparison of two dimensional quantitative coronary angiography (2D-QCA) with optical coherence tomography (OCT) in the assessment of coronary artery lesion dimensions
      Objectives There is limited data on how well 2D-QCA and OCT agree with each other for measurement of coronary artery lumen dimensions. We aimed to assess the agreement between the two modalities. Methods Patients undergoing OCT for assessment of coronary artery lesions were reviewed. Minimum luminal diameter (MLD), proximal reference diameter and distal reference diameter were measured for each lesion prior to stenting. Results OCT was performed in 64 patients ...
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      Mentions: University of Sydney

    12. Comparative analysis of corneal measurements obtained from a Scheimpflug camera and an integrated Placido-optical coherence tomography device in normal and keratoconic eyes

      Explore Wiley Online Library Ophthalmology
      Comparative analysis of corneal measurements obtained from a Scheimpflug camera and an integrated Placido-optical coherence tomography device in normal and keratoconic eyes
      ...ustralia 2. 2 Sydney Adventist Hospital Clinical School, The University of Sydney, Sydney, Australia 3. 3 The University of Sydney, Sydney, Australia ^* Correspondence: Deepa Viswanathan, MS, FRCS Australian School of ...
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      Mentions: University of Sydney Macquarie University Stuart L. Graham

    13. Advanced imaging in COPD: insights into pulmonary pathophysiology

      Explore Home Pulmonology
      Advanced imaging in COPD: insights into pulmonary pathophysiology
      Chronic obstructive pulmonary disease (COPD) involves a complex interaction of structural and functional abnormalities. The two have long been studied in isolation. However, advanced imaging techniques allow us to simultaneously assess pathological processes and their physiological consequences. This review gives a comprehensive account of the various advanced imaging modalities used to study COPD, including computed tomography (CT), magnetic resonance imaging (MRI), and the nuclear medicine techniques positron emission tomography (PET ...
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      Mentions: University of Sydney

    15. Relationship between Optical Coherence Tomography and Electrophysiology of the Visual Pathway in Non-Optic Neuritis Eyes of Multiple Sclerosis Patients

      Explore PLoS ONE Neurology , Ophthalmology
      Relationship between Optical Coherence Tomography and Electrophysiology of the Visual Pathway in Non-Optic Neuritis Eyes of Multiple Sclerosis Patients
      ...St Vincent’s Hospital, Sydney, Australia X * Michael Barnett, Affiliation: Brain and Mind Research Institute, University of Sydney, Sydney, Australia X * John Parratt, Affiliation: Royal North Shore Hospital, Sydney, Aus...
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      Mentions: University of Sydney Macquarie University Alexander Klistorner

    16. The investigation of acute optic neuritis: a review and proposed protocol

      Explore Nature Publishing Group Neurology , Ophthalmology
      The investigation of acute optic neuritis: a review and proposed protocol
      Optic neuritis is an inflammatory optic neuropathy that affects many patients with multiple sclerosis (MS) at some point during their disease course. Differentiation of acute episodes of MS-associated optic neuritis from other autoimmune and inflammatory optic neuropathies is vital for treatment choice and further patient management, but is not always straightforward. Over the past decade, a number of new imaging, laboratory and electrophysiological techniques have entered the clinical arena. To ...
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      Mentions: University Hospital Zurich University of Sydney University of Calgary
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  4. About University of Sydney

    University of Sydney

    University of Sydney was established in Sydney in 1850 and is the oldest university in Australia. It is a member of Australia's "Group of Eight" Australian universities that are highly ranked in terms of their research performance. In 2007, the University had 45,182 students and 3,018 academic staff making it the second largest in Australia. By financial endowment it is one of the wealthiest universities in Australia.

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