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Hidetaka Hayashi

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Articles 51
Citations 173
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Recent Articles
11.
Nagayama Y, Hayashi H, Taguchi N, Yoshida R, Harai R, Kidoh M, et al.
Abdom Radiol (NY) . 2024 Mar; 49(5):1626-1637. PMID: 38456897
Purpose: To evaluate the diagnostic performance of multiphase hepatic CT parameters (non-contrast attenuation, absolute and relative washout ratios [APW and RPW, respectively], and relative enhancement ratio [RER]) and chemical-shift MRI...
12.
Hayashi H, Oda S, Kidoh M, Anai M, Hirakawa K, Takashio S, et al.
Radiol Case Rep . 2023 Dec; 19(2):671-674. PMID: 38111546
Pulmonary arterial hypertension associated with portal hypertension, known as portopulmonary hypertension (PoPH) is one of the important and serious pulmonary complications in patients with portal hypertension. Although there are a...
13.
Yamaguchi S, Oda S, Kidoh M, Hayashi H, Takashio S, Usuku H, et al.
Acad Radiol . 2023 Sep; 31(2):514-522. PMID: 37775448
Rationale And Objectives: This study aimed to assess the utility of cardiac magnetic resonance imaging (MRI) T1 and T2 mapping as quantitative imaging biomarkers in transthyretin amyloid cardiomyopathy (ATTR-CM). Materials...
14.
Yoshimura F, Oda S, Kidoh M, Hayashi H, Yonemura M, Miyazaki S, et al.
Circ J . 2023 Aug; 87(10):1403. PMID: 37635079
No abstract available.
15.
Hayashi H, Oda S, Kidoh M, Yamaguchi S, Yoshimura F, Takashio S, et al.
Eur Radiol . 2023 Aug; 34(2):1016-1025. PMID: 37597032
Objectives: Myocardial extracellular volume (ECV) on computed tomography (CT), an alternative to cardiac magnetic resonance (CMR), has significant practical clinical advantages. However, the consistency between ECVs quantified via CT and...
16.
Nagayama Y, Emoto T, Kato Y, Kidoh M, Oda S, Sakabe D, et al.
Eur Radiol . 2023 Jul; 33(12):8488-8500. PMID: 37432405
Objectives: To evaluate the effect of super-resolution deep-learning-based reconstruction (SR-DLR) on the image quality of coronary CT angiography (CCTA). Methods: Forty-one patients who underwent CCTA using a 320-row scanner were...
17.
Nagayama Y, Emoto T, Hayashi H, Kidoh M, Oda S, Nakaura T, et al.
AJR Am J Roentgenol . 2023 Jun; 221(5):599-610. PMID: 37377362
A super-resolution deep learning reconstruction (SR-DLR) algorithm may provide better image sharpness than earlier reconstruction algorithms and thereby improve coronary stent assessment on coronary CTA. The purpose of our study...
18.
Kidoh M, Oda S, Takashio S, Kawano Y, Hayashi H, Morita K, et al.
Radiol Cardiothorac Imaging . 2023 May; 5(2):e220327. PMID: 37124644
Purpose: To evaluate the diagnostic performance of myocardium-to-lumen R1 (1/T1) ratio on postcontrast T1 maps for the detection of cardiac amyloidosis in a large patient sample. Materials And Methods: This...
19.
Kidoh M, Oda S, Takashio S, Hirakawa K, Kawano Y, Shiraishi S, et al.
Radiology . 2022 Oct; 306(3):e220542. PMID: 36255307
Background Large studies on the diagnostic performance of CT-derived myocardial extracellular volume fraction (ECV) for detecting cardiac amyloidosis are lacking. A simple and practical index as a surrogate for CT...
20.
Shiotani H, Takahashi K, Honma Y, Tomari K, Hayashi H, Sado N, et al.
Med Sci Sports Exerc . 2022 Aug; 55(1):66-73. PMID: 35977106
Purpose: The human ankle-foot complex possesses a passive range of motion (ROM) through changes in tibiocalcaneal ( θcal ) and foot arch ( θarch ) angles. Based on the anatomical...