All Stories

  1. Identification of Risk Factors for Coronary Artery Disease in Asymptomatic Patients with Type 2 Diabetes Mellitus

    Article • Journal of Clinical Medicine, February 2022, MDPI AG

    Dr Nobuo Tomizawa

  2. Incremental Diagnostic Value of CT Fractional Flow Reserve Using Subtraction Method in Patients with Severe Calcification: A Pilot Study

    Article • Journal of Clinical Medicine, September 2021, MDPI AG

    Dr Nobuo Tomizawa

  3. Impact of COVID-19 on Cardiovascular Testing in the United States Versus the Rest of the World

    Article • JACC Cardiovascular Imaging, September 2021, Elsevier

    Dr Nobuo Tomizawa, Mr Ahmad Ozair, Professor marija B Vavlukis

  4. Comparison of diagnostic performance in on-site based CT-derived fractional flow reserve measurements

    Article • IJC Heart & Vasculature, August 2021, Elsevier

    Dr Nobuo Tomizawa

  5. A study on the prevalence, distribution and related factors of heart valve calcification using coronary CT angiography

    Article • IJC Heart & Vasculature, August 2020, Elsevier

    Dr Nobuo Tomizawa

  6. Impact of Abnormal Remote Stress Myocardial Blood Flow by Dynamic CT Perfusion on Clinical Outcomes

    Article • Scientific Reports, June 2020, Springer Science + Business Media

    Dr Nobuo Tomizawa

  7. Double region of interest timing bolus technique following endovascular aortic repair: Short-term prognosis analysis

    Article • Vascular, December 2019, SAGE Publications

    Dr Nobuo Tomizawa

  8. Aortic CT angiography using the double region of interest timing bolus technique: feasibility of 80 kVp scanning in lean patients

    Article • The International Journal of Cardiovascular Imaging, July 2019, Springer Science + Business Media

    Dr Nobuo Tomizawa

  9. Double ROI Timing Bolus Technique to Perform Aortic CT Angiography With a 9-Second Contrast Injection Duration

    Article • American Journal of Roentgenology, July 2019, American Roentgen Ray Society

    Dr Nobuo Tomizawa

  10. Could coronary calcification identified at non-gated chest CT be a predictor for cardiovascular events in breast cancer patients?

    Article • International Journal of Cardiology, May 2019, Elsevier

    Dr Nobuo Tomizawa

  11. Feasibility of dynamic myocardial CT perfusion using single-source 64-row CT

    Article • Journal of Cardiovascular Computed Tomography, January 2019, Elsevier

    Dr Nobuo Tomizawa

  12. Data for comparison of computed tomography angiography and dynamic myocardial perfusion to detect significant stenosis by coronary angiography

    Article • Data in Brief, December 2018, Elsevier

    Dr Nobuo Tomizawa

  13. Simplified Bernoulli formula to predict flow limiting stenosis at coronary computed tomography angiography

    Article • Clinical Imaging, September 2018, Elsevier

    Dr Nobuo Tomizawa

  14. Longer diabetes duration reduces myocardial blood flow in remote myocardium assessed by dynamic myocardial CT perfusion

    Article • Journal of Diabetes and its Complications, June 2018, Elsevier

    Dr Nobuo Tomizawa

  15. High-risk Plaque and Calcification Detected by Coronary CT Angiography to Predict Future Cardiovascular Events After Percutaneous Coronary Intervention

    Article • Academic Radiology, April 2018, Elsevier

    Dr Nobuo Tomizawa

  16. In reply to: Toward a better selection of the asymptomatic patients worthy for screening of CAD: Is it time for an update of the guidelines?

    Article • International Journal of Cardiology, May 2017, Elsevier

    Dr Nobuo Tomizawa

  17. Accuracy of computed tomography angiography to identify thin-cap fibroatheroma detected by optical coherence tomography

    Article • Journal of Cardiovascular Computed Tomography, March 2017, Elsevier

    Dr Nobuo Tomizawa

  18. A clinical model to identify patients with high-risk plaque by coronary computed tomography angiography

    Article • International Journal of Cardiology, February 2017, Elsevier

    Dr Nobuo Tomizawa

  19. Subjective and objective evaluation of 10–30% dose reduced coronary artery phantom scans reconstructed with Forward projected model-based Iterative Reconstruction SoluTion (FIRST)

    Article • Data in Brief, February 2017, Elsevier

    Dr Nobuo Tomizawa

  20. Spiral Flow Fube for Contrast Medium Reduction in Coronary CT Angiography

    Article • International Cardiovascular Forum Journal, January 2017, International Cardiovascular Forum Journal

    Dr Nobuo Tomizawa

  21. The feasibility of Forward-projected model-based Iterative Reconstruction SoluTion (FIRST) for coronary 320-row computed tomography angiography: A pilot study

    Article • Journal of Cardiovascular Computed Tomography, January 2017, Elsevier

    Dr Nobuo Tomizawa

  22. Reducing CT radiation exposure with organ effective modulation: A retrospective clinical study

    Article • European Journal of Radiology, September 2016, Elsevier

    Dr Nobuo Tomizawa, Hiroyuki Akai

  23. High prevalence of coronary artery events and non-coronary events in patients with coronary artery aneurysm in the observational group

    Article • IJC Heart & Vasculature, March 2016, Elsevier

    Dr Nobuo Tomizawa

  24. Relationship of hepatic steatosis severity and coronary artery disease characteristics assessed by coronary CT angiography

    Article • The International Journal of Cardiovascular Imaging, January 2016, Springer Science + Business Media

    Dr Nobuo Tomizawa

  25. Spiral Flow Tube for Saline Flush in Coronary CT Angiography: Initial Experience

    Article • International Journal of Radiology, January 2016, ACT Publishing Group

    Dr Nobuo Tomizawa

  26. Diagnostic Phase of Calcium Scoring Scan Applied as the Center of Acquisition Window of Coronary Computed Tomography Angiography Improves Image Quality in Minimal Acquisition Window Scan (Target CTA Mode) Using the Second Generation 320-Row CT

    Article • The Scientific World JOURNAL, January 2016, Hindawi Publishing Corporation

    Dr Nobuo Tomizawa

  27. Optimized heart rate for 320-row cardiac CT can be feasibly predicted from prescan parameters

    Article • SpringerPlus, November 2015, Springer Science + Business Media

    Dr Nobuo Tomizawa

  28. Clinical utility of landiolol for use in coronary CT angiography

    Article • Research Reports in Clinical Cardiology, November 2015, Dove Medical Press

    Dr Nobuo Tomizawa

  29. The association of hemoglobin A1c and high risk plaque and plaque extent assessed by coronary computed tomography angiography

    Article • The International Journal of Cardiovascular Imaging, October 2015, Springer Science + Business Media

    Dr Nobuo Tomizawa

  30. Atresia of the right atrial ostium of the coronary sinus without persistent left superior vena cava

    Article • Journal of Cardiovascular Computed Tomography, May 2015, Elsevier

    Dr Nobuo Tomizawa

  31. An International Multicenter Comparison of Time-SLIP Unenhanced MR Angiography and Contrast-Enhanced CT Angiography for Assessing Renal Artery Stenosis: The Renal Artery Contrast-Free Trial

    Article • American Journal of Roentgenology, January 2015, American Roentgen Ray Society

    Dr Nobuo Tomizawa

  32. Improving the diagnostic performance of the real world coronary computed tomography angiography including uninterpretable segments

    Article • International Journal of Cardiology, October 2014, Elsevier

    Dr Nobuo Tomizawa

  33. Difference of coronary artery disease severity, extent and plaque characteristics between patients with hypertension, diabetes mellitus or dyslipidemia

    Article • The International Journal of Cardiovascular Imaging, September 2014, Springer Science + Business Media

    Dr Nobuo Tomizawa

  34. In reply to: Minimizing the radiation dose in coronary CT angiography using prospective ECG-triggering, low tube voltage and iterative reconstruction technologies

    Article • Japanese Journal of Radiology, September 2014, Springer Science + Business Media

    Dr Nobuo Tomizawa

  35. Minimizing the acquisition phase in coronary CT angiography using the second generation 320-row CT

    Article • Japanese Journal of Radiology, April 2014, Springer Science + Business Media

    Dr Nobuo Tomizawa

  36. Association of Contrast Medium Arrival Time with Conventional Risk Factors and Morise Score in Detecting Obstructive Coronary Artery Disease

    Article • International Journal of Cardiovascular Research, January 2014, OMICS Publishing Group

    Dr Nobuo Tomizawa

  37. MR Imaging of Carcinosarcoma of the Liver using Gd-EOB-DTPA

    Article • Magnetic Resonance in Medical Sciences, January 2014, Japanese Society for Magnetic Resonance in Medicine

    Dr Nobuo Tomizawa, Hiroyuki Akai

  38. Effect of saline flush on enhancement of proximal and distal segments using 320-row coronary CT angiography

    Article • European Journal of Radiology, August 2013, Elsevier

    Dr Nobuo Tomizawa

  39. Coronary CT angiography using the second-generation 320-detector row CT: assessment of image quality and radiation dose in various heart rates compared with the first-generation scanner

    Article • The International Journal of Cardiovascular Imaging, May 2013, Springer Science + Business Media

    Dr Nobuo Tomizawa

  40. The feasibility of halfcycle reconstruction in high heart rates in coronary CT angiography using 320-row CT

    Article • The International Journal of Cardiovascular Imaging, November 2012, Springer Science + Business Media

    Dr Nobuo Tomizawa

  41. Prediction of the attenuation of the ascending aorta using bolus-tracking parameters and heart rate in coronary computed tomography angiography

    Article • European Journal of Radiology, November 2012, Elsevier

    Dr Nobuo Tomizawa

  42. Adaptive Iterative Dose Reduction in coronary CT angiography using 320-row CT: Assessment of radiation dose reduction and image quality

    Article • Journal of Cardiovascular Computed Tomography, September 2012, Elsevier

    Dr Nobuo Tomizawa

  43. Shorter delay time reduces interpatient variability in coronary enhancement in coronary CT angiography using the bolus tracking method with 320-row CT

    Article • The International Journal of Cardiovascular Imaging, April 2012, Springer Science + Business Media

    Dr Nobuo Tomizawa

  44. Influence of hemodynamic parameters on coronary artery attenuation with 320-detector coronary CT angiography

    Article • European Journal of Radiology, February 2012, Elsevier

    Dr Nobuo Tomizawa

  45. Relationship between beat to beat coronary artery motion and image quality in prospectively ECG-gated two heart beat 320-detector row coronary CT angiography

    Article • The International Journal of Cardiovascular Imaging, November 2010, Springer Science + Business Media

    Dr Nobuo Tomizawa

  46. Prepancreatic postduodenal portal vein: a new hypothesis for the development of the portal venous system

    Article • Japanese Journal of Radiology, February 2010, Springer Science + Business Media

    Dr Nobuo Tomizawa, Hiroyuki Akai