Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

N. Kuyama · SciRah

Researcher profile · Semantic Scholar

N. Kuyama

Share profile

N. Kuyama — researcher profile on SciRah

h-index: 9
Works: 56
Citations: 214

Most-cited papers

Prevalence of Cardiac Amyloidosis in Patients Undergoing Carpal Tunnel Release With Amyloid Deposition.
S. Takashio, T. Kato, H. Tashima, Hiroki Irie +10 more
2023Circulation Journal21 citations Open access
Semantic Scholar
Clinical outcomes of catheter ablation for atrial fibrillation, atrial flutter, and atrial tachycardia in wild-type transthyretin amyloid cardiomyopathy: a proposed treatment strategy for catheter ablation in each arrhythmia
Hisanori Kanazawa, S. Takashio, Tadashi Hoshiyama, Miwa Ito +22 more
2024Europace20 citations Open access
Semantic Scholar
Long-Term Effect of Tafamidis on Clinical Parameters and Prognostic Predictors in Patients With Transthyretin Amyloid Cardiomyopathy.
N. Kuyama, Y. Izumiya, S. Takashio, H. Usuku +16 more
2025Circulation Journal18 citations Open access
Semantic Scholar
Multiple Giant Coronary Artery Aneurysms
H. Usuku, S. Kojima, N. Kuyama, S. Hanatani +5 more
2017Internal medicine17 citations Open access
Semantic Scholar
Circulating Mature PCSK9 Level Predicts Diminished Response to Statin Therapy
N. Kuyama, Y. Kataoka, M. Takegami, K. Nishimura +8 more
2021Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease15 citations Open access
Semantic Scholar
Development and assessment of total thrombus-formation analysis system-based bleeding risk model in patients undergoing percutaneous coronary intervention.
Nobuhiro Nakanishi, K. Kaikita, M. Ishii, N. Kuyama +18 more
2020International Journal of Cardiology13 citations Open access
Semantic Scholar
Cardiac Biomarker Change at 1 Year After Tafamidis Treatment and Clinical Outcomes in Patients With Transthyretin Amyloid Cardiomyopathy
N. Kuyama, S. Takashio, T. Oguni, M. Yamamoto +10 more
2024Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease11 citations Open access
Semantic Scholar
Real-World Clinical Evidence With Tafamidis in Patients With Transthyretin Amyloid Cardiomyopathy ― A Contemporary Review ―
Y. Izumiya, N. Kuyama, S. Hanatani, Y. Matsuzawa +3 more
2025Circulation Reports10 citations Open access
Semantic Scholar
Hemodialysis-related low thrombogenicity measured by total thrombus-formation analysis system in patients undergoing percutaneous coronary intervention.
Nobuhiro Nakanishi, K. Kaikita, M. Ishii, N. Kuyama +18 more
2021Thrombosis Research9 citations
Semantic Scholar
Mineralocorticoid Receptor Blocker Prevents Mineralocorticoid Receptor–Mediated Inflammation by Modulating Transcriptional Activity of Mineralocorticoid Receptor–p65–Signal Transducer and Activator of Transcription 3 Complex
N. Kuyama, S. Araki, K. Kaikita, Nobuhiro Nakanishi +9 more
2024Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease8 citations Open access
Semantic Scholar
Malnutrition-associated high bleeding risk with low thrombogenicity in patients undergoing percutaneous coronary intervention.
Nobuhiro Nakanishi, K. Kaikita, M. Ishii, N. Kuyama +18 more
2022NMCD. Nutrition Metabolism and Cardiovascular Diseases8 citations Open access
Semantic Scholar
Japanese high bleeding risk criteria status predicts low thrombogenicity and bleeding events in patients undergoing percutaneous coronary intervention
Nobuhiro Nakanishi, K. Kaikita, M. Ishii, N. Kuyama +17 more
2023Cardiovascular Intervention and Therapeutics7 citations
Semantic Scholar
MRI-Extracellular Volume Fraction Versus Histological Amyloid Load in Cardiac Amyloidosis: The Importance of T2 Mapping
M. Kidoh, S. Oda, S. Takashio, M. Morioka +7 more
2025Circulation Cardiovascular Imaging6 citations
Semantic Scholar
CT-derived Extracellular Volume Fraction in Aortic Stenosis, Cardiac Amyloidosis and Dual Pathology.
M. Kidoh, S. Oda, N. Tabata, N. Kuyama +10 more
2024European Heart Journal-Cardiovascular Imaging5 citations
Semantic Scholar
Usefulness of Regional Longitudinal Strain to Identify Transthyretin Amyloid Cardiomyopathy
H. Usuku, E. Yamamoto, K. Imamura, Ryudai Higashi +15 more
2025Circulation Reports4 citations Open access
Semantic Scholar
Coexisting transthyretin and atrial natriuretic peptide amyloid on left atrium in transthyretin amyloid cardiomyopathy.
N. Kuyama, S. Takashio, Kosuke Nakamura, K. Nishigawa +6 more
2024Journal of Cardiology Cases4 citations
Semantic Scholar
Periprocedural Thrombogenicity Change Is Associated With Subclinical Leaflet Thrombosis Progression in Patients Undergoing Transcatheter Aortic Valve Implantation
N. Kuyama, K. Kaikita, M. Ishii, N. Tabata +10 more
2023Circulation Reports4 citations Open access
Semantic Scholar
Assessment of left ventricular thrombi using cardiac CT: A comparative evaluation of non-contrast, CT-angiography, delayed-enhanced images, and extracellular volume maps.
Hiroko Takaoka, S. Oda, M. Kidoh, Hidetaka Hayashi +10 more
2025Journal of cardiovascular computed tomography3 citations
Semantic Scholar
Long-Term Outcomes of Tafamidis Treatment for Transthyretin Amyloid Cardiomyopathy in Two Patients
N. Kuyama, Y. Izumiya, S. Takashio, A. Tabira +7 more
2024JACC Case Reports3 citations
Semantic Scholar
Early experience with daratumumab-containing regimens in patients with light-chain cardiac amyloidosis.
K. Morikawa, Y. Izumiya, S. Takashio, Yawara Kawano +14 more
2024Journal of Cardiology3 citations
Semantic Scholar
Anti-Kv1.4 Antibody Without Myasthenia Gravis
N. Kuyama, S. Takashio, Takumi Nagakura, Michie Imamura +9 more
2023JACC Case Reports3 citations Open access
Semantic Scholar
The impact of mildly elevated HbA1c level, and low levels of high-density lipoprotein cholesterol and hemoglobin on microvascular angina
Satoru Suzuki, Kenshi Yamanaga, M. Ishii, E. Matsumoto +18 more
2026Heart and Vessels2 citations Open access
Semantic Scholar
Does adding a delayed phase to cardiac computed tomography for coronary artery evaluation have prognostic value?
T. Oguni, Y. Izumiya, S. Oda, S. Takashio +9 more
2026European Heart Journal-Cardiovascular Imaging2 citations
Semantic Scholar
Non-invasive Imaging Findings of Wild-type Transthyretin Amyloid Cardiomyopathy in Women: A Retrospective Study.
F. Yoshimura, S. Oda, M. Kidoh, Shinpei Yamaguchi +9 more
2025Academic Radiology2 citations Open access
Semantic Scholar
The usefulness of catheter ablation even in patients with myocardial impairment: Myocardial extracellular volume assessed by preablation planning computed tomography cannot predict atrial fibrillation recurrence
Yuichiro Tsuruta, Hisanori Kanazawa, Yuta Tsurusaki, Kohei Matsunaga +23 more
2025Heart Rhythm O22 citations Open access
Semantic Scholar
Non-Ischemic Late Iodine Enhancement on Cardiac Computed Tomography - Prevalence and Prognostic Significance.
T. Oguni, Y. Izumiya, S. Takashio, N. Kuyama +9 more
2025Circulation Journal2 citations Open access
Semantic Scholar
High Human Epididymis Protein 4 Levels Are Associated With Lower Systolic Function and Poor Prognosis in Heart Failure With Reduced Ejection Fraction.
Y. Okuno, S. Hanatani, F. Ogata, Shinpei Yamaguchi +11 more
2026Circulation Journal1 citations Open access
Semantic Scholar
Catheter Ablation and Device Therapy in Patients With Transthyretin Amyloid Cardiomyopathy: A Review of Non‐Pharmacological Therapy
Hisanori Kanazawa, Tadashi Hoshiyama, Shozo Kaneko, Yusei Kawahara +9 more
2026Journal of Arrhythmia1 citations Open access
Semantic Scholar
Paradoxical Pulmonary Congestion After Mavacamten in Obstructive HCM
N. Tabata, Y. Izumiya, Noriko Nomura, N. Kuyama +2 more
2026JACC Case Reports1 citations Open access
Semantic Scholar
Right Atrial Function as a Novel Predictor for New‐Onset Atrial Fibrillation in Transthyretin Amyloid Cardiomyopathy
N. Kuyama, Y. Izumiya, S. Takashio, H. Usuku +25 more
2026Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease1 citations Open access
Semantic Scholar
Right Ventricle–Dominant Cardiac Sarcoidosis Diagnosed Using a Multimodal Approach
Takahide Matsuda, N. Kuyama, Yuichiro Tsuruta, S. Takashio +6 more
2025JACC Case Reports1 citations
Semantic Scholar
The impact of large v-waves of pulmonary artery wedge pressure in patients with wild-type transthyretin amyloid cardiomyopathy.
M. Yamamoto, Y. Izumiya, S. Takashio, K. Morikawa +10 more
2025Journal of Cardiology1 citations
Semantic Scholar
Profiling Initial Thrombin Generation in Cardiovascular Disease Using a High Sensitivity Coagulation Assay
A. Fujiyama, Y. Arima, Rina Inoue, N. Kuyama +10 more
2025Thrombosis and Haemostasis1 citations
Semantic Scholar
Usefulness of Sinus of Valsalva Wall Thickness to Predict 99 mTc-Pyrophosphate Scintigraphy Positivity in Patients With Aortic Stenosis
Yui Kinoshita, H. Usuku, E. Yamamoto, Daisuke Mori +17 more
2025Circulation Reports1 citations Open access
Semantic Scholar
Imaging features of wild-type transthyretin amyloid cardiomyopathy in gated and non-gated contrast-enhanced CT
Shinpei Yamaguchi, S. Oda, M. Kidoh, F. Yoshimura +11 more
2025European Radiology1 citations
Semantic Scholar
Subclinical leaflet thrombus in patients with severe aortic stenosis and atrial fibrillation -ENRICH-AF TAVI study
Y. Otsuka, M. Ishii, N. Tabata, S. Oda +16 more
2024Scientific Reports1 citations Open access
Semantic Scholar
Echocardiographic findings of patients with transthyretin amyloid cardiomyopathy
H. Usuku, F. Oike, N. Kuyama, K. Hirakawa +3 more
2024Journal of Echocardiography1 citations
Semantic Scholar
Increased thrombogenicity is associated with revascularization outcomes in patients with chronic limb-threatening ischemia.
N. Kuyama, K. Kaikita, M. Ishii, T. Mitsuse +10 more
2022Journal of Vascular Surgery1 citations Open access
Semantic Scholar
Myocarditis in Myasthenia Gravis - Multiparametric Evaluation Using Cardiac Magnetic Resonance Imaging.
Kanako Sato, S. Oda, M. Kidoh, Soichiro Ishiuchi +7 more
2022Circulation Journal1 citations Open access
Semantic Scholar
Postpartum Aortic Dissection Without Aortic Dilation in a Woman With an ACTA2 Gene Mutation
Miyuki Umeda, F. Oike, Yuichiro Shirahama, N. Kuyama +6 more
2026JACC Case Reports0 citations Open access
Semantic Scholar
Endomyocardial biopsy after leadless pacemaker implantation in patient with suspected cardiac amyloidosis
N. Kuyama, Y. Izumiya, A. Tabira, Yosuke Matsumoto +10 more
2026Journal of Cardiology Cases0 citations Open access
Semantic Scholar
A First-Visit Clinical Score to Distinguish Immunoglobulin Light-Chain from Wild-Type Transthyretin Cardiac Amyloidosis: Derivation and Internal Validation
Y. Matsumoto, Y. Izumiya, Y. Kawano, N. Kuyama +11 more
2026medRxiv0 citations Open access
Semantic Scholar
A ≥20% increase in circulating Lp(a) after the commencement of statins, and subsequent risks of atherosclerotic cardiovascular diseases in patients with coronary artery disease.
Shuhei Fujita, Yu Kataoka, N. Kuyama, Stephen J. Nicholls +14 more
2026Journal of Clinical Lipidology0 citations Open access
Semantic Scholar
Multimodality imaging features of dasatinib-induced pulmonary arterial hypertension
Chikako Awazu, S. Oda, Seika Furuie, Ryo Shinohara +8 more
2026Journal of Cardiology Cases0 citations Open access
Semantic Scholar
Cardiac magnetic resonance findings in two cases of hypertrophic cardiomyopathy with MYH7 and MYBPC3 variants: Limitations of genotype-based phenotypic prediction.
Hidetaka Hayashi, S. Oda, M. Kidoh, N. Kuyama +6 more
2026Journal of Cardiology Cases0 citations
Semantic Scholar
Development and validation of the modified-comprehensive Kumamoto Score: a multi-organ assessment tool for hereditary transthyretin amyloidosis
Shiori Yamakawa, T. Nomura, Y. Misumi, Tomoaki Taguchi +12 more
2026Amyloid: Journal of Protein Folding Disorders0 citations Open access
Semantic Scholar
Cardiac amyloidosis: what every interventional cardiologist should know.
Y. Izumiya, N. Kuyama, K. Hirakawa, S. Hanatani +4 more
2026Cardiovascular Intervention and Therapeutics0 citations Open access
Semantic Scholar
Prognostic Utility of Regional Longitudinal Strain in Patients With Immunoglobulin Light-Chain Cardiac Amyloidosis
H. Usuku, E. Yamamoto, F. Oike, N. Kuyama +11 more
2026Circulation Reports0 citations Open access
Semantic Scholar
High prevalence of treatable transthyretin cardiac amyloidosis in cardioembolic stroke: the first systematic cohort study
Shizuka Harada, Makoto Nakajima, T. Nomura, Ryutaro Kimura +8 more
2026Journal of Neurology0 citations Open access
Semantic Scholar
Clinical significance of the estimation of pulmonary-right ventricular uncoupling in patients with transthyretin amyloid cardiomyopathy
H. Usuku, E. Yamamoto, Kasumi Miyazaki, Ryudai Higashi +17 more
2025European heart journal. Imaging methods and practice0 citations Open access
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

S. Hanatani×34
Invite
S. Hanatani — researcher profile on SciRah
H. Usuku×29
Invite
H. Usuku — researcher profile on SciRah
S. Takashio×24
Invite
S. Takashio — researcher profile on SciRah
E. Yamamoto×24
Invite
E. Yamamoto — researcher profile on SciRah

×23

Invite

S. Oda — researcher profile on SciRah

Invite

M. Ishii — researcher profile on SciRah

Y. Matsuzawa×20

Invite

Y. Matsuzawa — researcher profile on SciRah

Kenichi Tsujita×18

Invite

Kenichi Tsujita — researcher profile on SciRah

Invite

N. Tabata — researcher profile on SciRah

Invite

K. Tsujita — researcher profile on SciRah

Hisanori Kanazawa×15

Invite

Hisanori Kanazawa — researcher profile on SciRah

Invite

M. Kidoh — researcher profile on SciRah