1. Daniël M. de Bruin

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    1. Mentioned In 55 Articles

    2. Acute Airway Effects of Bronchial Thermoplasty Assessed by Optical Coherence Tomography (OCT)

      Explore European Respiratory Journal Pulmonology
      Acute Airway Effects of Bronchial Thermoplasty Assessed by Optical Coherence Tomography (OCT)
      Background: Bronchial Thermoplasty (BT) is an endoscopic treatment for severe asthma targeting airway smooth muscle (ASM) with thermal energy. The extent of treatment effect is largely unknown. Optical coherence tomography (OCT) is a high resolution imaging technique, using near-infrared light, that generates near-histology cross sectional images of the airway wall. Aim: Assess the extent of acute airway wall effects of BT with OCT and compare these to the untreated right ...
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      Mentions: Academic Medical Center at the University of Amsterdam Daniël M. de Bruin

    3. Optical Coherence Tomography in Urologic Oncology: a Comprehensive Review

      Explore Home - Springer Urology
      Optical Coherence Tomography in Urologic Oncology: a Comprehensive Review
      Introduction Optical coherence tomography (OCT) is being investigated in urologic oncology for optical diagnosis. This comprehensive review analyzes the current state of development of OCT for bladder, upper urinary tract, kidney, prostate, testis, and penis cancer. Also, the potential role of OCT with regard to the current diagnostic pathways is critically appraised to guide future developments. Methods Embase and Pubmed were systematically searched for English and German articles on OCT ...
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      Mentions: Academic Medical Center at the University of Amsterdam Ton G. van Leeuwen Daniël M. de Bruin

    4. One‐to‐one registration of en‐face optical coherence tomography attenuation coefficients with histology of a prostatectomy specimen

      Explore Wiley Online Library Urology
      One‐to‐one registration of en‐face optical coherence tomography attenuation coefficients with histology of a prostatectomy specimen
      Optical coherence tomography (OCT), enables high‐resolution 3D imaging of the morphology of light scattering tissues. From the OCT signal, parameters can be extracted and related to tissue structures. One of the quantitative parameters is the attenuation coefficient; the rate at which the intensity of detected light decays in depth. To couple the quantitative parameters with the histology one‐to‐one registration is needed. The primary aim of this study ...
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      Mentions: Academic Medical Center at the University of Amsterdam Dirk J. Faber Ton G. van Leeuwen

    5. Bronchial Thermoplasty-Induced Acute Airway Effects Assessed with Optical Coherence Tomography in Severe Asthma

      Explore Karger Publishers Pulmonology
      Bronchial Thermoplasty-Induced Acute Airway Effects Assessed with Optical Coherence Tomography in Severe Asthma
      Background: Bronchial thermoplasty (BT) is an endoscopic treatment for severe asthma targeting airway smooth muscle (ASM) with radiofrequent energy. Although implemented worldwide, the effect of BT treatment on the airways is unclear. Optical coherence tomography (OCT) is a novel imaging technique, based on near-infrared light, that generates high-resolution cross-sectional airway wall images. Objective: To assess the safety and feasibility of OCT in severe asthma patients and determine acute airway effects ...
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      Mentions: Academic Medical Center at the University of Amsterdam Daniël M. de Bruin Jan D'hooge

    6. Feasibility of using optical coherence tomography to detect radiation-induced fibrosis and residual cancer extent after neoadjuvant chemo-radiation therapy: an ex vivo study

      Explore OSA | OSA Publishing Gastroenterology
      Feasibility of using optical coherence tomography to detect radiation-induced fibrosis and residual cancer extent after neoadjuvant chemo-radiation therapy: an ex vivo study
      Treatment of resectable esophageal cancer includes neoadjuvant chemo-radiation therapy (nCRT) followed by esophagectomy in operable patients. High-risk surgery may have been avoided in patients with a pathological complete response (pCR). We investigated the feasibility of optical coherence tomography (OCT) to detect residual cancer and radiation-induced fibrosis in 10 esophageal cancer patients that underwent nCRT followed by esophagectomy. We compared our OCT findings with histopathology. Overall, OCT was able to differentiate ...
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      Mentions: Johannes F. de Boer Academic Medical Center at the University of Amsterdam VU University Amsterdam

    7. Needle-based optical coherence tomography for the detection of prostate cancer: a visual and quantitative analysis in 20 patients

      Explore SPIE Digital Library
      Needle-based optical coherence tomography for the detection of prostate cancer: a visual and quantitative analysis in 20 patients
      iagnostic accuracy of needle-based optical coherence tomography (OCT) for prostate cancer detection by visual and quantitative analysis is defined. 106 three-dimensional (3-D)-OCT data sets were acquired in 20 prostates after radical prostatectomy and precisely matched with pathology. OCT images were grouped per histological category. Two reviewers performed blind assessments of the OCT images. Sensitivity and specificity for malignancy detection were calculated. Quantitative analyses by automated optical attenuation coefficient calculation ...
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      Mentions: Academic Medical Center at the University of Amsterdam Dirk J. Faber Ton G. van Leeuwen

    8. Confocal Laser Endomicroscopy and Optical Coherence Tomography for the Diagnosis of Prostate Cancer: A Needle-Based, In Vivo Feasibility Study Protocol (IDEAL Phase 2A)

      Explore JRP-JMIR Research Protocols Urology
      Confocal Laser Endomicroscopy and Optical Coherence Tomography for the Diagnosis of Prostate Cancer: A Needle-Based, In Vivo Feasibility Study Protocol (IDEAL Phase 2A)
      Background: Focal therapy for prostate cancer has been proposed as an alternative treatment to whole-gland therapies in selected men to diminish side effects in localized prostate cancer. As nowadays imaging cannot offer complete prostate cancer disease characterization, multicore systematic biopsies are recommended (transrectal or transperineal). Optical imaging techniques such as confocal laser endomicroscopy and optical coherence tomography allow in vivo, high-resolution imaging. Moreover, they can provide real-time visualization and analysis ...
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      Mentions: Academic Medical Center at the University of Amsterdam Ton G. van Leeuwen Daniël M. de Bruin

    9. Feasibility of Optical Coherence Tomography (OCT) for Intra-Operative Detection of Blood Flow during Gastric Tube Reconstruction

      Explore MDPI Open Access Journals Platform Gastroenterology
      Feasibility of Optical Coherence Tomography (OCT) for Intra-Operative Detection of Blood Flow during Gastric Tube Reconstruction
      In this study; an OCT-based intra-operative imaging method for blood flow detection during esophagectomy with gastric tube reconstruction is investigated. Change in perfusion of the gastric tube tissue can lead to ischemia; with a high morbidity and mortality as a result. Anastomotic leakage (incidence 520%) is one of the most severe complications after esophagectomy with gastric tube reconstruction. Optical imaging techniques provide for minimal-invasive and real-time visualization tools that can ...
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      Mentions: Academic Medical Center at the University of Amsterdam Ton G. van Leeuwen Daniël M. de Bruin

    10. Feasibility of using optical coherence tomography to detect acute radiation-induced esophageal damage in small animal models

      Explore SPIE Digital Library Gastroenterology
      Feasibility of using optical coherence tomography to detect acute radiation-induced esophageal damage in small animal models
      Lung cancer survival is poor, and radiation therapy patients often suffer serious treatment side effects. The esophagus is particularly sensitive leading to acute radiation-induced esophageal damage (ARIED). We investigated the feasibility of optical coherence tomography (OCT) for minimally invasive imaging of the esophagus with high resolution (10m) to detect ARIED in mice. Thirty mice underwent cone-beam computed tomography imaging for initial setup assessment and dose planning followed by a single-dose ...
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      Mentions: Johannes F. de Boer Academic Medical Center at the University of Amsterdam Ton G. van Leeuwen

    11. Ex-vivo study in nephroureterectomy specimens defining the role of 3-D upper urinary tract visualization using optical coherence tomography and endoluminal ultrasound

      Explore SPIE Digital Library Urology
      Ex-vivo study in nephroureterectomy specimens defining the role of 3-D upper urinary tract visualization using optical coherence tomography and endoluminal ultrasound
      Minimal invasive endoscopic treatment for upper urinary tract urothelial carcinoma (UUT-UC) is advocated in patients with low-risk disease and limited tumor volume. Diagnostic ureterorenoscopy combined with biopsy is the diagnostic standard. This study aims to evaluate two alternative diagnostic techniques for UUT-UC: optical coherence tomography (OCT) and endoluminal ultrasound (ELUS). Following nephroureterectomy, OCT, ELUS, and computed tomography (CT) were performed of the complete nephroureterectomy specimen. Visualization software (AMIRA) was used ...
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      Mentions: Academic Medical Center at the University of Amsterdam Dirk J. Faber Ton G. van Leeuwen

    12. Can we predict necrosis intra-operatively? Real-time optical quantitative perfusion imaging in surgery: study protocol for a prospective, observational, in vivo pilot study

      Explore Pilot and Feasibility Studies
      Can we predict necrosis intra-operatively? Real-time optical quantitative perfusion imaging in surgery: study protocol for a prospective, observational, in vivo pilot study
      Background Compromised perfusion as a result of surgical intervention causes a reduction of oxygen and nutrients in tissue and therefore decreased tissue vitality. Quantitative imaging of tissue perfusion during reconstructive surgery, therefore, may reduce the incidence of complications. Non-invasive optical techniques allow real-time tissue imaging, with high resolution and high contrast. The objectives of this study are, first, to assess the feasibility and accuracy of optical coherence tomography (OCT), sidestream ...
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      Mentions: Academic Medical Center at the University of Amsterdam Ton G. van Leeuwen Daniël M. de Bruin

    13. Visibility of Fiducial Markers used for Image-Guided Radiation Therapy on Optical Coherence Tomography for Registration with CT: an Esophageal Phantom Study

      Explore Wiley Online Library Gastroenterology
      Visibility of Fiducial Markers used for Image-Guided Radiation Therapy on Optical Coherence Tomography for Registration with CT: an Esophageal Phantom Study
      Purpose Optical coherence tomography (OCT) is of interest to visualize microscopic esophageal tumor extensions to improve tumor delineation for radiation therapy (RT) planning. Fiducial marker placement is a common method to ensure target localization during planning and treatment. Visualization of these fiducial markers on OCT permits integrating OCT and computed tomography (CT) images used for RT planning via image registration. We studied the visibility of 13 (8 types) commercially available ...
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      Mentions: Johannes F. de Boer Academic Medical Center at the University of Amsterdam Dirk J. Faber

    14. Optical coherence tomography for identification and quantification of human airway wall layers

      Explore Journals | PLOS Pulmonology
      Optical coherence tomography for identification and quantification of human airway wall layers
      Background High-resolution computed tomography has limitations in the assessment of airway wall layers and related remodeling in obstructive lung diseases. Near infrared-based optical coherence tomography (OCT) is a novel imaging technique that combined with bronchoscopy generates highly detailed images of the airway wall. The aim of this study is to identify and quantify human airway wall layers both ex-vivo and in-vivo by OCT and correlate these to histology. Methods Patients ...
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      Mentions: National Institutes of Health Academic Medical Center at the University of Amsterdam St. Jude Medical

    15. Applicability of quantitative optical imaging techniques for intraoperative perfusion diagnostics: a comparison of laser speckle contrast imaging, sidestream dark-field microscopy, and optical coherence tomography

      Explore SPIE Digital Library
      Applicability of quantitative optical imaging techniques for intraoperative perfusion diagnostics: a comparison of laser speckle contrast imaging, sidestream dark-field microscopy, and optical coherence tomography
      . Patient morbidity and mortality due to hemodynamic complications are a major problem in surgery. Optical techniques can image blood flow in real-time and high-resolution, thereby enabling perfusion monitoring intraoperatively. We tested the feasibility and validity of laser speckle contrast imaging (LSCI), optical coherence tomography (OCT), and sidestream dark-field microscopy (SDF) for perfusion diagnostics in a phantom model using whole blood. Microvessels with diameters of 50, 100, and 400 m were ...
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      Mentions: Academic Medical Center at the University of Amsterdam Dirk J. Faber Ton G. van Leeuwen

    16. Optical Coherence Tomography as a Tool for in Vivo Staging and Grading of Upper Urinary Tract Urothelial Carcinoma: A Study for Diagnostic Accuracy

      Explore Elsevier Health Urology
      Optical Coherence Tomography as a Tool for in Vivo Staging and Grading of Upper Urinary Tract Urothelial Carcinoma: A Study for Diagnostic Accuracy
      Purposes Biopsies and cytology are cornerstones in the diagnosis of upper urinary tract urothelial carcinoma (UTUC). However, a high rate of non-diagnostic biopsies, tumor upgrading and -staging after nephroureterectomy is observed. In this prospective in vivo study we aimed to evaluate the diagnostic accuracy of OCT for grading and staging of UTUC Material Methods Twenty-six patients underwent diagnostic URS including biopsies and OCT imaging, followed by nephroureterectomy or segmental ureter ...
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      Mentions: Academic Medical Center at the University of Amsterdam Dirk J. Faber Ton G. van Leeuwen
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  4. About Daniël M. de Bruin

    Daniël M. de Bruin

    Daniël M. de Bruin is in the Department of Biomedical Engineering and Physics at the Academic Medical Center Amsterdam, The Netherlands.

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