Makoto Orii
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View article: Double-chambered left ventricle as a novel cause of aneurysm formation at the apex of accessory chamber
Double-chambered left ventricle as a novel cause of aneurysm formation at the apex of accessory chamber Open
View article: Super-resolution deep learning reconstruction at coronary computed tomography angiography to evaluate the coronary arteries and in-stent lumen: an initial experience
Super-resolution deep learning reconstruction at coronary computed tomography angiography to evaluate the coronary arteries and in-stent lumen: an initial experience Open
A super-resolution deep learning reconstruction (SR-DLR) algorithm trained using data acquired on the ultrahigh spatial resolution computed tomography (UHRCT) has the potential to provide better image quality of coronary arteries on the wh…
View article: A Comparison of Retrospective ECG-Gated CT and Surgical or Angiographical Findings in Acute Aortic Syndrome
A Comparison of Retrospective ECG-Gated CT and Surgical or Angiographical Findings in Acute Aortic Syndrome Open
The best cardiac phases in retrospective ECG-gated CT for detecting an intimal tear (IT) in aortic dissection (AD) and an ulcer-like projection (ULP) in an intramural hematoma (IMH) have not been established. This study aimed to compare th…
View article: Recent Innovation of CT Imaging in Vascular Diseases
Recent Innovation of CT Imaging in Vascular Diseases Open
近年のCTの進歩は脈管画像診断にも飛躍的な発展をもたらした。それは，CTが広い範囲を高速かつ薄いスライス厚で撮影が可能となったからである。加えて，心電図同期撮影法，サブトラクション法，超高精細CTといったオプションも脈管疾患の診断制度を高めた。さらに，最新型のCT装置であるphoton-counting CTも空間分解能や物質弁別の面で高い能力を有することから脈管領域への応用にも期待が寄せられている。
View article: Super-resolution deep learning reconstruction at coronary computed tomography angiography to evaluate the coronary arteries and in-stent lumen: An initial experience
Super-resolution deep learning reconstruction at coronary computed tomography angiography to evaluate the coronary arteries and in-stent lumen: An initial experience Open
The present study aimed to compare the image quality of the coronary arteries and in-stent lumen between super-resolution deep learning reconstruction (SR-DLR) and model-based iterative reconstruction (MBIR). We prospectively enrolled 50 p…
View article: Reliability of respiratory-gated real-time two-dimensional cine incorporating deep learning reconstruction for the assessment of ventricular function in an adult population
Reliability of respiratory-gated real-time two-dimensional cine incorporating deep learning reconstruction for the assessment of ventricular function in an adult population Open
This study aimed to assess the image quality and accuracy of respiratory-gated real-time two-dimensional (2D) cine incorporating deep learning reconstruction (DLR) for the quantification of biventricular volumes and function compared with …
View article: Super-resolution deep learning reconstruction at coronary computed tomography angiography to evaluate the coronary arteries and in-stent lumen: An initial experience
Super-resolution deep learning reconstruction at coronary computed tomography angiography to evaluate the coronary arteries and in-stent lumen: An initial experience Open
The present study aimed to compare the image quality of the coronary arteries and in-stent lumen between super-resolution deep learning reconstruction (SR-DLR) and model-based iterative reconstruction (MBIR). We prospectively enrolled 50 p…
View article: Aortic Elongation in Bicuspid Aortic Valve with Aortic Stenosis Assessed by Thin-Slice Electrocardiogram-Gated Computed Tomography
Aortic Elongation in Bicuspid Aortic Valve with Aortic Stenosis Assessed by Thin-Slice Electrocardiogram-Gated Computed Tomography Open
Bicuspid aortic valve (BAV) patients with aortic stenosis (AS) are known to develop dilatation of the ascending aorta at a younger age, but the morphology of the aorta in these patients is yet to be investigated. Thus, in this study, we ai…
View article: <i>In Vivo</i> Platelet Detection Using a Glycoprotein IIb/IIIa-Targeted Near-Infrared Fluorescence Imaging Probe
<i>In Vivo</i> Platelet Detection Using a Glycoprotein IIb/IIIa-Targeted Near-Infrared Fluorescence Imaging Probe Open
Platelets play a prominent role in multiple diseases, in particular arterial and venous thrombosis and also in atherosclerosis and cancer. To advance the in vivo study of the biological activity of this cell type from a basic experi…
View article: Reliability of respiratory-triggered two-dimensional cine k-adaptive-t-autocalibrating reconstruction for Cartesian sampling for the assessment of biventricular volume and function in patients with repaired tetralogy of Fallot
Reliability of respiratory-triggered two-dimensional cine k-adaptive-t-autocalibrating reconstruction for Cartesian sampling for the assessment of biventricular volume and function in patients with repaired tetralogy of Fallot Open
Objective: To compare left ventricular (LV) and right ventricular (RV) volume, function, and image quality of a respiratory-triggered two-dimensional (2D)-cine k-adaptive-t-autocalibrating reconstruction for Cartesian sampling (2D kat-ARC)…
View article: Implications of multiple late gadolinium enhancement lesions on the frequency of left ventricular reverse remodeling and prognosis in patients with non‐ischemic cardiomyopathy
Implications of multiple late gadolinium enhancement lesions on the frequency of left ventricular reverse remodeling and prognosis in patients with non‐ischemic cardiomyopathy Open
View article: Additive Value of CT to Age, Aortic Diameter, and Echocardiography in Diagnosis and Classification of Bicuspid Aortic Valve in Patients with Severe Aortic Stenosis
Additive Value of CT to Age, Aortic Diameter, and Echocardiography in Diagnosis and Classification of Bicuspid Aortic Valve in Patients with Severe Aortic Stenosis Open
CT diagnosis was consistent with surgical diagnosis and had an additive value over traditional diagnostic methods; however, there was a risk of overlooking congenital BAV in patients with functional BAV diagnosed by using CT.Supplementa…
View article: Time-Restricted Salutary Effects of Blood Flow Restoration on Venous Thrombosis and Vein Wall Injury in Mouse and Human Subjects
Time-Restricted Salutary Effects of Blood Flow Restoration on Venous Thrombosis and Vein Wall Injury in Mouse and Human Subjects Open
Background: Up to 50% of patients with proximal deep vein thrombosis (DVT) will develop the postthrombotic syndrome characterized by limb swelling and discomfort, hyperpigmentation, skin ulcers, and impaired quality of life. Although cathe…
View article: A case report of stomach perforation during automatic mechanical chest compression following pulseless electrical activity due to cibenzoline intoxication
A case report of stomach perforation during automatic mechanical chest compression following pulseless electrical activity due to cibenzoline intoxication Open
Background The current report describes a case of stomach perforation, a rare but serious complication, that occurred during cardiopulmonary resuscitation following severe cibenzoline intoxication. Case Presentation A woman aged in her 30s…
View article: Sex-Related Differences in Cardiac Remodeling and Reverse Remodeling After Transcatheter Aortic Valve Implantation in Patients with Severe Aortic Stenosis in a Japanese Population
Sex-Related Differences in Cardiac Remodeling and Reverse Remodeling After Transcatheter Aortic Valve Implantation in Patients with Severe Aortic Stenosis in a Japanese Population Open
Left ventricular (LV) remodeling with aortic stenosis (AS) appears to differ according to sex, but reverse remodeling after transcatheter aortic valve implantation (TAVI) has not been elucidated in a Japanese population. This study aims to…
View article: Diagnostic accuracy of cardiac magnetic resonance imaging for cardiac sarcoidosis in complete heart block patients implanted with magnetic resonance-conditional pacemaker
Diagnostic accuracy of cardiac magnetic resonance imaging for cardiac sarcoidosis in complete heart block patients implanted with magnetic resonance-conditional pacemaker Open
View article: Effect of Erythropoietin Administration on Myocardial Viability and Coronary Microvascular Dysfunction in Anterior Acute Myocardial Infarction: Randomized Controlled Trial in the Japanese Population
Effect of Erythropoietin Administration on Myocardial Viability and Coronary Microvascular Dysfunction in Anterior Acute Myocardial Infarction: Randomized Controlled Trial in the Japanese Population Open
View article: Immunohistochemical identification of Propionibacterium acnes in granuloma and inflammatory cells of myocardial tissues obtained from cardiac sarcoidosis patients
Immunohistochemical identification of Propionibacterium acnes in granuloma and inflammatory cells of myocardial tissues obtained from cardiac sarcoidosis patients Open
Frequent identification of P. acnes in sarcoid granulomas of originally aseptic myocardial tissues suggests that this indigenous bacterium causes granuloma in many CS patients. IHC detection of P. acnes in massive or minimal inflammatory f…
View article: Local Matrix Metalloproteinase 9 Level Determines Early Clinical Presentation of ST-Segment–Elevation Myocardial Infarction
Local Matrix Metalloproteinase 9 Level Determines Early Clinical Presentation of ST-Segment–Elevation Myocardial Infarction Open
Objective— Early clinical presentation of ST-segment–elevation myocardial infarction (STEMI) and non–ST-segment–elevation myocardial infarction affects patient management. Although local inflammatory activities are involved in the onset of…
View article: Effects of intravenous bolus injection of nicorandil on renal artery flow velocity assessed by color Doppler ultrasound
Effects of intravenous bolus injection of nicorandil on renal artery flow velocity assessed by color Doppler ultrasound Open
View article: Assessment of Systolic Dysfunction in Patients with Aortic Stenosis and Preserved Ejection Fraction Using Mitral Annular Displacement by Tissue-Tracking Echocardiography
Assessment of Systolic Dysfunction in Patients with Aortic Stenosis and Preserved Ejection Fraction Using Mitral Annular Displacement by Tissue-Tracking Echocardiography Open
View article: Analysis of Vortex Flow in the Left Ventricle during Ejection Period as a Possible New Index of Systolic Dysfunction
Analysis of Vortex Flow in the Left Ventricle during Ejection Period as a Possible New Index of Systolic Dysfunction Open
View article: Reduction of in-stent thrombus immediately after percutaneous coronary intervention by pretreatment with prasugrel compared with clopidogrel: An optical coherence tomography study
Reduction of in-stent thrombus immediately after percutaneous coronary intervention by pretreatment with prasugrel compared with clopidogrel: An optical coherence tomography study Open
VIEWING ONLY POSTERS1323Evaluation of right ventricular transverse strain and strain rate in patients with acute ST-segment elevation myocardial infarction: a cardiac magnetic resonance feature tracking study1333Cardiac resynchronization in ischemic heart failure patients: a comparison between therapy guided by cardiac magnetic resonance imaging and 2D-speckle tracking echocardiography1338Cardiac magnetic resonance versus bisphosphonate scintigraphy for diagnosis of cardiac amyloidosis1341Strain relaxation index, a novel tagged MRI-derived diastolic function parameter, is impaired in metabolic syndrome1349Global Longitudinal Strain Predicts Chronic Myocardial Infarction in Patients with Normal Ejection Fraction1352Optimal Dose Of Dobutamine During Low-Dose Dobutamine Stress Echocardiography In Correctly Identify Viable Segments On Cardiovascular Magnetic Resonance1368Absolute wall thickening and left ventricular ejection fraction–a unifying theory of myocardial contraction and heart failure?1376Transient St Elevation in Acs Like Myocarditis1379Patients after Fontan with a “total cavopulmonary connection” Fontan modification develop more collateral flow compared to “old-fashioned” Fontan modifications1387A MRI–derived 3D patient specific model for fibrosis quantification in atrial fibrillation1391Scar burden and survival in patients with ischemic cardiomyopathy and poor LV ejection fraction1392Relation of inflammatory markers with myocardial and microvascular injury in patients with reperfused ST- elevation myocardial infarction1406Equivalence of segmented conventional and fast single-shot late gadolinium enhancement (LGE) techniques for1410Cardiac Mri Appearances of Tuberculosis - A Review of Varied Presentations in India1415Atheroma burden, cardiac remodelling and epicardial fat: A comparison between healthy South Asian and European adults using Whole Body Cardiovascular MR1418Symptomatic Ventricular Arrhythmias: Diagnostic Yield of Cardiac Magnetic Resonance1421CMR assessment of aortic stiffness in asymptomatic low risk patients with type 2 diabetes mellitus1436Shock index as a predictor of myocardial damage and clinical outcome in ST-elevation myocardial infarction1451Combined biomarker testing for the prediction of microvascular obstruction after primary percutaneous coronary intervention for acute ST-segment elevation myocardial infarction1452A novel oscillometric technique compared with cardiac magnetic resonance for the assessment of aortic pulse wave velocity in ST-segment elevation myocardial infarction1456Aorto-pulmonary collaterals evaluated by CMR is associated to reduced “effective” cardiac index late after Fontan palliation1458Evaluation of pulmonary transit time and Pulmonary Blood Volume with first-pass perfusion CMR imaging in adult with repaired Congenital Heart disease1459Prognostic value of the cardiac magnetic resonance as a predictor of improvement in ventricular function after TakoTsubo syndrome1462Diagnostic performance of ECG detection of left atrial enlargement in patients with arterial hypertension relative to the cardiac magnetic resonance gold-standard: impact of obesity1463Utility of cardiac magnetic resonance imaging for diagnosis of cardiac sarcoidosis and prediction of therapeutic effects in patients with complete heart block and implanted magnetic resonance-conditional pacemaker: A multicenter study1467Cardiac magnetic resonance late gadolinium enhancement in patients with genetic dilated cardiomyopathy14712.Left ventricular hypertrophy in hypertensive patients–comparison of Cardiac Magnetic Resonance and Echocardiographic analysis of morphological and functional LV-parameters1472Is Angiographic Perfusion Score assessed in patients with acute myocardial infarction correlated with Cardiac Magnetic Resonance infarct size and N-terminal pro-brain natriuretic peptide in 6-month follow-up1476Cardiac Magnetic Resonance Patterns of Left Ventricular Diastolic Function In Hypertrophic Cardiomyopathy1477Impact of platelet volume on thrombus burden and tissue reperfusion in patients with STEMI treated with primary angioplasty: MRI study1479Right ventricle systolic function assessment and its prognostic implications in cardiac amyloidosis1484Cardiac MRI - an important tool in the evaluation of multsystemic inflamatory diseases. An Erdheim-Chester Disease case report1485Predictive value of cardiac magnetic resonance for future adverse cardiac events in patients with ST-segment elevation myocardial infarction1486Time-to-treatment but not thrombectomy influence infarct size and microvascular obstruction in patients with acute ST-segment elevation myocardial infarction treated with primary coronary intervention1489Primary PCI versus Early Routine Post Fibrinolysis PCI for ST Elevation Myocardial Infarction1490Evaluation of ventricular function in Fontan patients undergoing feature tracking magnetic resonance strain1491Impacts of atrialized right ventricle and left ventricular displacement Open
View article: Current status and future perspectives of optical coherence tomography in percutaneous coronary intervention
Current status and future perspectives of optical coherence tomography in percutaneous coronary intervention Open
光干渉断層法 (OCT) は近赤外線を用いた高解像度の血管内画像診断装置である．OCTは経皮的冠動脈インターベンション (PCI) によるno-reflowを予測できる．OCTで同定される薄い線維性被膜を有するプラーク (TCFA) は，PCIにより破裂しやすく，プラーク内容物や局所で形成された血栓の遠位塞栓をきたす危険性が高い．OCTは，分岐部の複雑な解剖を描出することができる．分岐部に突出したcarinaを有し，鋭角に分岐する側枝は，主枝へのステント留置により閉塞する危…
View article: A Case of Heart Failure Due to Increasing of Mitral Regurgitation
A Case of Heart Failure Due to Increasing of Mitral Regurgitation Open
View article: Optical coherence tomography assessment of efficacy of thrombus aspiration in patients undergoing a primary percutaneous coronary intervention for acute ST-elevation myocardial infarction
Optical coherence tomography assessment of efficacy of thrombus aspiration in patients undergoing a primary percutaneous coronary intervention for acute ST-elevation myocardial infarction Open
Thrombus aspiration before angioplasty in patients with STEMI was associated with significantly smaller tissue protrusion and larger lumen poststenting compared with standard PCI. Thrombus aspiration in primary PCI favorably influenced les…
View article: Reply to Letter Regarding Article, “Improvement of Cardiac Function by Increasing Stimulus Strength during Left Ventricular Pacing in Cardiac Resynchronization Therapy”
Reply to Letter Regarding Article, “Improvement of Cardiac Function by Increasing Stimulus Strength during Left Ventricular Pacing in Cardiac Resynchronization Therapy” Open
We thank Cacko, et al for their interest in our clinical study article,1) which describes increasing stimulus strength (SS) of left ventricular (LV) pacing in cardiac resynchronization (CRT) improves LV mechanical dyssynchrony and cardiac …
View article: Impact of Low Signal Intensity Assessed by Cine Magnetic Resonance Imaging on Detection of Poorly Viable Myocardium in Patients With Prior Myocardial Infarction
Impact of Low Signal Intensity Assessed by Cine Magnetic Resonance Imaging on Detection of Poorly Viable Myocardium in Patients With Prior Myocardial Infarction Open
Late gadolinium enhancement magnetic resonance imaging (LGE-MRI) has been established as a modality to detect myocardial infarction (MI). However, the use of gadolinium contrast is limited in patients with advanced renal dysfunction. Altho…
View article: Circulating CD14<sup>++</sup>CD16<sup>+</sup> Monocyte Subsets as a Surrogate Marker of the Therapeutic Effect of Corticosteroid Therapy in Patients With Cardiac Sarcoidosis
Circulating CD14<sup>++</sup>CD16<sup>+</sup> Monocyte Subsets as a Surrogate Marker of the Therapeutic Effect of Corticosteroid Therapy in Patients With Cardiac Sarcoidosis Open
CD14++16+ monocytes are a possible surrogate marker of the therapeutic effect of corticosteroid therapy in CS.