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Naoki Nagasawa

Observed names: N. Nagasawa, Nagasawa, Naoki
ORCID: 0000-0002-0393-5421
Observed ORCID: 0000-0002-0393-5421
OpenAlex ID: A5080177321
Reduction in radiation exposure in cardiovascular computed tomography imaging: results from the PROspective multicenter registry on radiaTion dose Estimates of cardiac CT angIOgraphy iN daily practice in 2017 (PROTECTION VI)
2018 · Thomas J Stocker, Simon Deseive, et al. · European Heart Journal · 208
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Deep learning image reconstruction for improvement of image quality of abdominal computed tomography: comparison with hybrid iterative reconstruction
2021 · Yasutaka Ichikawa, Yoshinori Kanii, et al. · Japanese Journal of Radiology · 72
Comparison of the different imaging time points in delayed phase cardiac CT for myocardial scar assessment and extracellular volume fraction estimation in patients with old myocardial infarction
2018 · Ahmed Hamdy, Kakuya Kitagawa, et al. · International journal of cardiac imaging · 65
CT of the chest with model-based, fully iterative reconstruction: comparison with adaptive statistical iterative reconstruction
2013 · Yasutaka Ichikawa, Kakuya Kitagawa, et al. · BMC Medical Imaging · 61
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Deep learning image reconstruction for improving image quality of contrast-enhanced dual-energy CT in abdomen
2022 · Mineka Sato, Yasutaka Ichikawa, et al. · European Radiology · 59
Underestimation of myocardial blood flow by dynamic perfusion CT: Explanations by two-compartment model analysis and limited temporal sampling of dynamic CT
2016 · Masaki Ishida, Kakuya Kitagawa, et al. · Journal of cardiovascular computed tomography · 57
Diagnostic Performance of Dynamic Myocardial Perfusion Imaging Using Dual-Source Computed Tomography
2021 · Kakuya Kitagawa, Satoshi Nakamura, et al. · Journal of the American College of Cardiology · 42
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Model-based Iterative Reconstruction for Multi–Detector Row CT Assessment of the Adamkiewicz Artery
2013 · Junko Nishida, Kakuya Kitagawa, et al. · Radiology · 42
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Perfusion CT to Assess Response to Neoadjuvant Chemotherapy and Radiation Therapy in Pancreatic Ductal Adenocarcinoma: Initial Experience
2019 · Ahmed Hamdy, Yasutaka Ichikawa, et al. · Radiology · 39
Optimal Scan Parameters for CT Fluoroscopy in Lung Interventional Radiologic Procedures: Relationship between Radiation Dose and Image Quality
2010 · Yoshikazu Yamao, Koichiro Yamakado, et al. · Radiology · 29
Myocardial Coverage and Radiation Dose in Dynamic Myocardial Perfusion Imaging Using Third-Generation Dual-Source CT
2019 · Masafumi Takafuji, Kakuya Kitagawa, et al. · Korean Journal of Radiology · 19
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Diagnostic Accuracy of Endocardial-to-Epicardial Myocardial Blood Flow Ratio for the Detection of Significant Coronary Artery Disease With Dynamic Myocardial Perfusion Dual-Source Computed Tomography
2017 · Yoshitaka Goto, Kakuya Kitagawa, et al. · Circulation Journal · 16
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CT–fluoroscopy in chest interventional radiology: Sliding scale of imaging parameters based on radiation exposure dose and factors increasing radiation exposure dose
2012 · Yoshikazu Yamao, K. Yamakado, et al. · Clinical Radiology · 13
Application of Deep Learning-Based Denoising Technique for Radiation Dose Reduction in Dynamic Abdominal CT: Comparison with Standard-Dose CT Using Hybrid Iterative Reconstruction Method
2023 · Motonori Nagata, Yasutaka Ichikawa, et al. · Journal of Imaging Informatics in Medicine · 10
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Prognostic Value of Cardiac CT Delayed Enhancement Imaging in Patients With Suspected Coronary Artery Disease
2021 · Yoshitaka Goto, Kakuya Kitagawa, et al. · JACC. Cardiovascular imaging · 9
Development of Estimated Time of Arrival Method and Usefulness in Pulmonary Artery/Vein Separation 3D-CT
2014 · Katsutoshi Nakamori, Naoki Nagasawa, et al. · Japanese Journal of Radiological Technology · 9
Radiation exposure in cardiac computed tomography imaging in Mie prefecture in 2021
2023 · Suguru Araki, Kakuya Kitagawa, et al. · Japanese Journal of Radiology · 8
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Three-dimensional stereotactic ROI template for measuring regional cerebral blood flow in 99mTc-ECD SPECT: comparison with the manual tracing method
2008 · Naoki Nagasawa, Koichiro Yamakado, et al. · Nuclear Medicine Communications · 7
Relationship between microvascular status and diagnostic performance of stress dynamic CT perfusion imaging
2024 · Naoki Nagasawa, Satoshi Nakamura, et al. · European Radiology · 5
Investigation of activation range for self-shielded PET cyclotron
2019 · Shohei Iwai, Fumiyoshi Nobuhara, et al. · Progress in Nuclear Science and Technology · 5
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Sensation of smell and taste during intravenous injection of iodinated contrast media in CT examinations
2016 · Naoto Yamaguchi, Yasuhiro Fukushima, et al. · British Journal of Radiology · 4
Fractal analysis of dynamic stress myocardial CT perfusion decouples diagnostic accuracy for obstructive coronary artery disease from remote flow
2025 · Florian Michallek, Satoshi Nakamura, et al. · Japanese Journal of Radiology · 3
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Biventricular and biatrial assessment using low-dose cine computed tomography during recirculation phase of contrast agent: Comparison to cine cardiac magnetic resonance
2026 · Shintaro Yamaguchi, Satoshi Nakamura, et al. · Journal of cardiovascular computed tomography · 2
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Single-visit cardiac functional assessment by cine CT added to CCTA: segment-level validation of low-dose recirculation timing protocol
2025 · Naoki Nagasawa, Satoshi Nakamura, et al. · European Radiology · 2
Partial Electrical Reset of CT Irradiation on Implantable Cardiac Devices: Relationship between Reset and Tube Voltage, Tube Current, and Rotation Time
2011 · Takahiro Ushijima, Yoshikazu Yamao, et al. · Japanese Journal of Radiological Technology · 2
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Works count: 45
Citation count: 792
H-index: 13
I10-index: 14
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