1. Articles from Jing Jing

    1-6 of 6
    1. Diagnostic accuracy and reproducibility of optical flow ratio for functional evaluation of coronary stenosis in a prospective series

      Diagnostic accuracy and reproducibility of optical flow ratio for functional evaluation of coronary stenosis in a prospective series

      Background: Evaluating prospectively the feasibility, accuracy and reproducibility of optical flow ratio (OFR), a novel method of computational physiology based on optical coherence tomography (OCT). Methods and results: Sixty consecutive patients (76 vessels) underwent prospectively OCT, angiography-based quantitative flow ratio (QFR) and fractional flow ratio (FFR). OFR was computed offline in a central core-lab by analysts blinded to FFR. OFR was feasible in 98.7% of the lesions and showed excellent agreement with FFR (ICCa = 0.83, r = 0.83, slope = 0.80, intercept = 0.17, kappa = 0.84). The area under curve to predict an FFR ≤ 0.80 was ...

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    2. Deep Learning-Based Detection and Segmentation for BVS Struts in IVOCT Images

      Deep Learning-Based Detection and Segmentation for BVS Struts in IVOCT Images

      Bioresorbable Vascular Scaffold (BVS) is the latest stent type for the treatment of coronary artery disease. A major challenge of BVS is that once it is malapposed during implantation, it may potentially increase the risks of late stent thrombosis. Therefore it is important to analyze struts malapposition during implantation. This paper presents an automatic method for BVS malapposition analysis in intravascular optical coherence tomography images. Struts are firstly detected by a detector trained through deep learning. Then, struts boundaries are segmented using dynamic programming. Based on the segmentation, apposed and malapposed struts are discriminated automatically. Experimental results show that the ...

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    3. Subclinical hypothyroidism is associated with lipid-rich plaques in patients with coronary artery disease as assessed by optical coherence tomography

      Subclinical hypothyroidism is associated with lipid-rich plaques in patients with coronary artery disease as assessed by optical coherence tomography

      Background Subclinical hypothyroidism (SCH) has recently been acknowledged as an unconventional risk factor for coronary artery disease (CAD) and characterized by poor prognosis, which may be due to atherosclerotic plaque characteristics. We conducted this study to observe coronary plaque characteristics in coronary artery disease patients with concomitant SCH. Methods Patients with coronary artery disease were enrolled in the study and divided into an SCH group (patients, n = 26; plaques, n = 35) and a non-SCH group (patients, n = 52; plaques, n = 66). They were divided 1: 2 according to propensity-matched analysis including age, diabetes mellitus, gender, CAD severity and culprit vessel ...

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    4. Automatic analysis of bioresorbable vascular scaffolds in intravascular optical coherence tomography images

      Automatic analysis of bioresorbable vascular scaffolds in intravascular optical coherence tomography images

      The bioresorbable vascular scaffold (BVS) is a new generation of bioresorbable scaffold (BRS) for the treatment of coronary artery disease. A potential challenge of BVS is malapposition, which may possibly lead to late stent thrombosis. It is therefore important to conduct malapposition analysis right after stenting. Since an intravascular optical coherence tomography (IVOCT) image sequence contains thousands of BVS struts, manual analysis is labor intensive and time consuming. Computer-based automatic analysis is an alternative, but faces some difficulties due to the interference of blood artifacts and the uncertainty of the struts number, position and size. In this paper, we propose ...

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    5. Incidence, Predictors, and Clinical Impact of Tissue Prolapse after Coronary Intervention: An Intravascular Optical Coherence Tomography Study

      Incidence, Predictors, and Clinical Impact of Tissue Prolapse after Coronary Intervention: An Intravascular Optical Coherence Tomography Study
      Objectives: To evaluate the predictors of tissue prolapse after stenting and whether this phenomenon can affect the clinical outcome. Methods: All consecutive patients who underwent optical coherence tomography (OCT) examination after stent implantation were included. Qualitative and quantitative assessment of tissue prolapse after stent implantation was performed. The lesions were classified into 4 groups according to the severity of tissue prolapse. We analyzed the clinical, procedural, and image-based predictors of severe tissue prolapse and evaluated the clinical impact of tissue prolapse. Results: Tissue prolapse within the stented segment was visible in 102/104 (98.08%) cases. The frequency and severity ...
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    1-6 of 6
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  2. Topics in the News

    1. (2 articles) Chinese Academy of Sciences
    2. (1 articles) Shanghai Jiao Tong University
    3. (1 articles) Juan Luis Gutiérrez-Chico
    4. (1 articles) Shengxian Tu
    5. (1 articles) Tufts University
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    Incidence, Predictors, and Clinical Impact of Tissue Prolapse after Coronary Intervention: An Intravascular Optical Coherence Tomography Study Automatic analysis of bioresorbable vascular scaffolds in intravascular optical coherence tomography images Subclinical hypothyroidism is associated with lipid-rich plaques in patients with coronary artery disease as assessed by optical coherence tomography Deep Learning-Based Detection and Segmentation for BVS Struts in IVOCT Images Optimizing woven coronary artery management by optical coherence tomography: three cases report Diagnostic accuracy and reproducibility of optical flow ratio for functional evaluation of coronary stenosis in a prospective series Predictors for Rapid Progression of Coronary Calcification: An Optical Coherence Tomography Study Macular neovascularization in AMD, CSC and best vitelliform macular dystrophy: quantitative OCTA detects distinct clinical entities Effects of the Gaze Fixation Position on AS-OCT Measurements of the Limbus and Extraocular Muscle Insertion Site Distance Anterior Segment Optical Coherence Tomography in Locating the Insertion of Horizontal Extraocular Muscles After Strabismus Surgery Optical coherence tomography-guided management of underexpanded stent in calcified coronary lesion OCT-angiography for diagnosis and response to treatment of subretinal neovascularization secondary to idiopathic macular telangiectasia type 2