Research Output

  • 2529 Citations
  • 15 h-Index
  • 46 Article
  • 4 Review article
  • 2 Letter
2020

Computed Tomographic Angiography–Verified Myocardial Bridge and Invasive Angiography–Verified Left Anterior Descending Coronary Artery Vasospasm

Kawai, H., Ohta, M., Motoyama, S., Hashimoto, Y., Takahashi, H., Muramatsu, T., Sarai, M., Narula, J. & Ozaki, Y., 13-01-2020, In : JACC: Cardiovascular Interventions. 13, 1, p. 144-146 3 p.

Research output: Contribution to journalLetter

2018

Creation and characterization of normal myocardial perfusion imaging databases using the IQ·SPECT system

Okuda, K., Nakajima, K., Matsuo, S., Kondo, C., Sarai, M., Horiguchi, Y., Konishi, T., Onoguchi, M., Shimizu, T. & Kinuya, S., 01-08-2018, In : Journal of Nuclear Cardiology. 25, 4, p. 1328-1337 10 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Noninvasive assessment of stenotic severity and plaque characteristics by coronary CT angiography in patients scheduled for carotid artery revascularization

Hoshino, M., Kawai, H., Sarai, M., Sadato, A., Hayakawa, M., Motoyama, S., Nagahara, Y., Miyajima, K., Takahashi, H., Ishii, J., Nakahara, I., Hirose, Y. & Ozaki, Y., 01-01-2018, In : Journal of atherosclerosis and thrombosis. 25, 10, p. 1022-1031 10 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Ultra-high-resolution computed tomography angiography for assessment of coronary artery stenosis

Motoyama, S., Ito, H., Sarai, M., Nagahara, Y., Miyajima, K., Matsumoto, R., Doi, Y., Kataoka, Y., Takahashi, H., Ozaki, Y., Toyama, H. & Katada, K., 01-01-2018, In : Circulation Journal. 82, 7, p. 1844-1851 8 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2017

Assessment of endothelial shear stress in patients with mild or intermediate coronary stenoses using coronary computed tomography angiography: comparison with invasive coronary angiography

Huang, D., Muramatsu, T., Li, Y., Yang, W., Nagahara, Y., Chu, M., Kitslaar, P., Sarai, M., Ozaki, Y., Chatzizisis, Y. S., Yan, F., Reiber, J. H. C., Wu, R., Pu, J. & Tu, S., 01-07-2017, In : International Journal of Cardiovascular Imaging. 33, 7, p. 1101-1110 10 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Assessment of trough rivaroxaban concentrations on markers of coagulation activation in nonvalvular atrial fibrillation population

Kitagawa, F., Ishii, J., Hiramitsu, S., Takahashi, H., Okuyama, R., Kawai, H., Muramatsu, T., Harada, M., Motoyama, S., Naruse, H., Matsui, S., Sarai, M., Hayashi, M., Watanabe, E., Izawa, H. & Ozaki, Y., 01-05-2017, In : Heart and Vessels. 32, 5, p. 609-617 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Combination of high-sensitivity troponin I and N-terminal pro-B-type natriuretic peptide predicts future hospital admission for heart failure in high-risk hypertensive patients with preserved left ventricular ejection fraction

Okuyama, R., Ishii, J., Takahashi, H., Kawai, H., Muramatsu, T., Harada, M., Yamada, A., Motoyama, S., Matsui, S., Naruse, H., Sarai, M., Hasegawa, M., Watanabe, E., Suzuki, A., Hayashi, M., Izawa, H., Yuzawa, Y. & Ozaki, Y., 01-07-2017, In : Heart and Vessels. 32, 7, p. 880-892 13 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Diagnostic accuracy of an artificial neural network compared with statistical quantitation of myocardial perfusion images: A Japanese multicenter study

Nakajima, K., Kudo, T., Nakata, T., Kiso, K., Kasai, T., Taniguchi, Y., Matsuo, S., Momose, M., Nakagawa, M., Sarai, M., Hida, S., Tanaka, H., Yokoyama, K., Okuda, K. & Edenbrandt, L., 01-01-2017, In : European Journal of Nuclear Medicine and Molecular Imaging. 44, 13, p. 2280-2289 10 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

IQ·SPECT technology and its clinical applications using multicenter normal databases

Nakajima, K., Okuda, K., Momose, M., Matsuo, S., Kondo, C., Sarai, M., Shibutani, T., Onoguchi, M., Shimizu, T. & Vija, A. H., 01-11-2017, In : Annals of Nuclear Medicine. 31, 9, p. 649-659 11 p.

Research output: Contribution to journalReview article

8 Citations (Scopus)

Prognostic value of combination of plasma D-dimer concentration and estimated glomerular filtration rate in predicting long-term mortality of patients with stable coronary artery disease

Naruse, H., Ishii, J., Takahashi, H., Kitagawa, F., Okuyama, R., Kawai, H., Muramatsu, T., Harada, M., Yamada, A., Motoyama, S., Matsui, S., Hayashi, M., Sarai, M., Watanabe, E., Izawa, H. & Ozaki, Y., 01-01-2017, In : Circulation Journal. 81, 10, p. 1506-1513 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2016

Eicosapentaenoic acid to arachidonic acid (EPA/AA) ratio as an associated factor of high risk plaque on coronary computed tomography in patients without coronary artery disease

Nagahara, Y., Motoyama, S., Sarai, M., Ito, H., Kawai, H., Takakuwa, Y., Miyagi, M., Shibata, D., Takahashi, H., Naruse, H., Ishii, J. & Ozaki, Y., 01-07-2016, In : Atherosclerosis. 250, p. 30-37 8 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Hypertrophic cardiomyopathy accompanied by spinocerebellar atrophy with a novel mutation in troponin i gene

Kawai, H., Morimoto, S. I., Takakuwa, Y., Ueda, A., Inada, K. I., Sarai, M., Arimura, T., Mutoh, T., Kimura, A. & Ozaki, Y., 01-01-2016, In : International heart journal. 57, 4, p. 507-510 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Reply Plaque Characterization by Coronary Computed Tomography Angiography and Association with Acute Coronary Syndrome

Motoyama, S., Ito, H., Sarai, M., Ozaki, Y. & Narula, J., 02-02-2016, In : Journal of the American College of Cardiology. 67, 4, p. 459-460 2 p.

Research output: Contribution to journalLetter

Rich collateral circulation after kawasaki disease

Kawai, H., Morimoto, S. I., Sarai, M. & Ozaki, Y., 01-01-2016, In : Internal Medicine. 55, 1, 1 p.

Research output: Contribution to journalArticle

The impact of image resolution on computation of fractional flow reserve: coronary computed tomography angiography versus 3-dimensional quantitative coronary angiography

Liu, L., Yang, W., Nagahara, Y., Li, Y., Lamooki, S. R., Muramatsu, T., Kitslaar, P., Sarai, M., Ozaki, Y., Barlis, P., Yan, F., Reiber, J. H. C. & Tu, S., 01-03-2016, In : International Journal of Cardiovascular Imaging. 32, 3, p. 513-523 11 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
2015

Major bleeding complications related to combined antithrombotic therapy in atrial fibrillation patients 12 months after coronary artery stenting

Kawai, H., Watanabe, E., Yamamoto, M., Harigaya, H., Sano, K., Takatsu, H., Muramatsu, T., Naruse, H., Sobue, Y., Motoyama, S., Sarai, M., Takahashi, H., Arakawa, T., Kan, S., Sugiura, A., Murohara, T. & Ozaki, Y., 01-03-2015, In : Journal of cardiology. 65, 3, p. 197-202 6 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Plaque characterization by coronary computed tomography angiography and the likelihood of acute coronary events in mid-term follow-up

Motoyama, S., Ito, H., Sarai, M., Kondo, T., Kawai, H., Nagahara, Y., Harigaya, H., Kan, S., Anno, H., Takahashi, H., Naruse, H., Ishii, J., Hecht, H., Shaw, L. J., Ozaki, Y. & Narula, J., 28-07-2015, In : Journal of the American College of Cardiology. 66, 4, p. 337-346 10 p.

Research output: Contribution to journalArticle

279 Citations (Scopus)

QRS-based assessment of myocardial damage and adverse events associated with cardiac sarcoidosis

Sobue, Y., Harada, M., Koshikawa, M., Ichikawa, T., Yamamoto, M., Okuda, K., Kato, Y., Sarai, M., Watanabe, E. & Ozaki, Y., 01-12-2015, In : Heart Rhythm. 12, 12, p. 2499-2507 9 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Two cases with past Kawasaki disease developing acute myocardial infarction in their thirties, despite being regarded as at low risk for coronary events

Kawai, H., Takakuwa, Y., Naruse, H., Sarai, M., Motoyama, S., Ito, H., Iwase, M. & Ozaki, Y., 01-07-2015, In : Heart and Vessels. 30, 4, p. 549-553 5 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2014

Adding coronary computed tomography angiography to invasive coronary angiography improves prediction of cardiac events

Kawai, H., Motoyama, S., Sarai, M., Ito, H., Takahashi, H., Harigaya, H., Kan, S., Ishii, J., Anno, H., Murohara, T. & Ozaki, Y., 01-01-2014, In : Circulation journal : official journal of the Japanese Circulation Society. 78, 11, p. 2735-2740 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
18 Citations (Scopus)
2013

A combination of anatomical and functional evaluations improves the prediction of Cardiac event in patients with coronary artery bypass

Kawai, H., Sarai, M., Motoyama, S., Ito, H., Takada, K., Harigaya, H., Takahashi, H., Hashimoto, S., Takagi, Y., Ando, M., Anno, H., Ishii, J., Murohara, T. & Ozaki, Y., 27-11-2013, In : BMJ Open. 3, 11, 3.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Characteristics of plaque progression detected by serial coronary computed tomography angiography

Ito, H., Motoyama, S., Sarai, M., Kawai, H., Harigaya, H., Kan, S., Kato, S., Anno, H., Takahashi, H., Naruse, H., Ishii, J., Narula, J. & Ozaki, Y., 01-01-2013, In : Heart and Vessels. 29, 6, p. 743-749 7 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Coil migration into coronary sinus: A rare complication of percutaneous transhepatic obliteration of portal systemic collaterals

Kawai, H., Kato, Y., Motoyama, S., Sarai, M. & Ozaki, Y., 01-09-2013, In : Journal of Cardiovascular Computed Tomography. 7, 5, p. 326-327 2 p.

Research output: Contribution to journalArticle

Coronary CT angiography and high-risk plaque morphology

Motoyama, S., Sarai, M., Narula, J. & Ozaki, Y., 18-02-2013, In : Cardiovascular Intervention and Therapeutics. 28, 1, p. 1-8 8 p.

Research output: Contribution to journalReview article

34 Citations (Scopus)

Dilated coronary arterial obstruction due to coronary artery microfistulae

Kawai, H., Motoyama, S., Sarai, M. & Ozaki, Y., 01-11-2013, In : Journal of Cardiovascular Computed Tomography. 7, 6, p. 417-418 2 p.

Research output: Contribution to journalArticle

Morphologic and functional assessment of coronary artery disease - Potential application of computed tomography angiography and myocardial perfusion imaging

Motoyama, S., Sarai, M., Inoue, K., Kawai, H., Ito, H., Harigaya, H., Takada, K., Sanda, Y., Anno, H., Naruse, H., Ishii, J. & Ozaki, Y., 04-02-2013, In : Circulation Journal. 77, 2, p. 411-417 7 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)
2012

Coronary plaque characteristics in patients with mild chronic kidney disease-analysis by 320-row area detector computed tomography

Kawai, H., Sarai, M., Motoyama, S., Harigaya, H., Ito, H., Sanda, Y., Biswas, S., Anno, H., Ishii, J., Murohara, T. & Ozaki, Y., 01-06-2012, In : Circulation Journal. 76, 6, p. 1436-1441 6 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)
1 Citation (Scopus)

Role of 123l-BMlPP and serum B-type natriuretic peptide for the evaluation of patients with heart failure

Biswas Dr., S. K., Sarai, M., Toyama, H., Yamada, A., Harigaya, H., Naruse, H., Hishida, H. & Ozaki, Y., 01-06-2012, In : Singapore Medical Journal. 53, 6, p. 398-402 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2011

Coronary CT angiographic characteristics of culprit lesions in acute coronary syndromes not related to plaque rupture as defined by optical coherence tomography and angioscopy

Ozaki, Y., Okumura, M., Ismail, T. F., Motoyama, S., Naruse, H., Hattori, K., Kawai, H., Sarai, M., Takagi, Y., Ishii, J., Anno, H., Virmani, R., Serruys, P. W. & Narula, J., 01-11-2011, In : European heart journal. 32, 22, p. 2814-2823 10 p.

Research output: Contribution to journalArticle

82 Citations (Scopus)

Prediction of the no-reflow phenomenon during percutaneous coronary intervention using coronary computed tomography angiography

Harigaya, H., Motoyama, S., Sarai, M., Inoue, K., Hara, T., Okumura, M., Naruse, H., Ishii, J., Hishida, H. & Ozaki, Y., 01-07-2011, In : Heart and Vessels. 26, 4, p. 363-369 7 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)
2010

Fatty acid metabolism and myocardial perfusion imaging for the evaluation of global left ventricular dysfunction following acute myocardial infarction: Comparisons with echocardiography

Biswas, S. K., Sarai, M., Yamada, A., Motoyama, S., Harigaya, H., Hara, T., Sugimoto, K., Toyama, H., Hishida, H. & Ozaki, Y., 04-02-2010, In : International Journal of Cardiology. 138, 3, p. 290-299 10 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Serial coronary CT angiography-verified changes in plaque characteristics as an end point: Evaluation of effect of statin intervention

Inoue, K., Motoyama, S., Sarai, M., Sato, T., Harigaya, H., Hara, T., Sanda, Y., Anno, H., Kondo, T., Wong, N. D., Narula, J. & Ozaki, Y., 07-2010, In : JACC: Cardiovascular Imaging. 3, 7, p. 691-698 8 p.

Research output: Contribution to journalArticle

117 Citations (Scopus)

The washout rate of 123I-BMIPP and the evolution of left ventricular function in patients with successfully reperfused ST-segment elevation myocardial infarction: Comparisons with the echocardiography

Biswas, S. K., Sarai, M., Yamada, A., Toyama, H., Motoyama, S., Harigaya, H., Hara, T., Naruse, H., Hishida, H. & Ozaki, Y., 01-02-2010, In : International Journal of Cardiovascular Imaging. 26, SUPPL. 1, p. 155-164 10 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2009

123I-BMIPP and 99mTc-TF discordance on myocardial scintigraphy and it's correlation with functional recovery following acute myocardial infarction: Role of conventional echocardiography

Biswas, S. K., Sarai, M., Toyama, H., Yamada, A., Motoyama, S., Harigaya, H., Hara, T., Iwase, M., Hishida, H. & Ozaki, Y., 01-12-2009, In : International Journal of Cardiovascular Imaging. 25, 8, p. 765-775 11 p.

Research output: Contribution to journalArticle

123I-BMIPP fatty acid analogue imaging is a novel diagnostic and prognostic approach following acute myocardial infarction

Biswas, S. K., Sarai, M., Hishida, H. & Ozaki, Y., 01-10-2009, In : Singapore Medical Journal. 50, 10, p. 943-948 6 p.

Research output: Contribution to journalReview article

5 Citations (Scopus)

Computed Tomographic Angiography Characteristics of Atherosclerotic Plaques Subsequently Resulting in Acute Coronary Syndrome

Motoyama, S., Sarai, M., Harigaya, H., Anno, H., Inoue, K., Hara, T., Naruse, H., Ishii, J., Hishida, H., Wong, N. D., Virmani, R., Kondo, T., Ozaki, Y. & Narula, J., 30-06-2009, In : Journal of the American College of Cardiology. 54, 1, p. 49-57 9 p.

Research output: Contribution to journalArticle

866 Citations (Scopus)
2008

Automatic selection of optimal cardiac-phase in coronary CT angiography--its clinical usefulness for patients with atrial fibrillation

Matsumoto, R., Narita, H., Anno, H., Ida, Y., Sanda, Y., Katada, K., Motoyama, S., Sarai, M. & Tsuyuki, M., 20-04-2008, In : Nippon Hoshasen Gijutsu Gakkai zasshi. 64, 4, p. 442-449 8 p.

Research output: Contribution to journalArticle

2007

Atherosclerotic plaque characterization by 0.5-mm-slice multislice computed tomographic imaging - Comparison with intravascular ultrasound

Motoyama, S., Kondo, T., Anno, H., Sugiura, A., Ito, Y., Mori, K., Ishii, J., Sato, T., Inoue, K., Sarai, M., Hishida, H. & Narula, J., 19-03-2007, In : Circulation Journal. 71, 3, p. 363-366 4 p.

Research output: Contribution to journalArticle

143 Citations (Scopus)

Evaluation of probable or possible dementia with Lewy bodies using 123I-IMP brain perfusion SPECT, 123I-MIBG, and 99mTc-MIBI myocardial SPECT

Inui, Y., Toyama, H., Manabe, Y., Sato, T., Sarai, M., Kosaka, K., Iwata, N. & Katada, K., 01-10-2007, In : Journal of Nuclear Medicine. 48, 10, p. 1641-1650 10 p.

Research output: Contribution to journalArticle

24 Citations (Scopus)

Multislice Computed Tomographic Characteristics of Coronary Lesions in Acute Coronary Syndromes

Motoyama, S., Kondo, T., Sarai, M., Sugiura, A., Harigaya, H., Sato, T., Inoue, K., Okumura, M., Ishii, J., Anno, H., Virmani, R., Ozaki, Y., Hishida, H. & Narula, J., 24-07-2007, In : Journal of the American College of Cardiology. 50, 4, p. 319-326 8 p.

Research output: Contribution to journalArticle

682 Citations (Scopus)

Restenosis and stent fracture following sirolimus-eluting stent (SES) implantation - A serial quantitative coronary angiography (QCA) and intravascular ultrasound (IVUS) study

Okumura, M., Ozaki, Y., Ishii, J., Kan, S., Naruse, H., Matsui, S., Ishikawa, M., Hattori, K., Gochi, T., Nakano, T., Yamada, A., Kato, S., Motoyama, S., Sarai, M., Takagi, Y., Ismail, T. F., Nomura, M. & Hishida, H., 17-12-2007, In : Circulation Journal. 71, 11, p. 1669-1677 9 p.

Research output: Contribution to journalArticle

53 Citations (Scopus)

The current of coronary CT angiography

Anno, H., Sanda, Y., Murayama, K., Kato, R., Katada, K., Motoyama, S., Sato, T., Sarai, M. & Mochizuki, T., 12-02-2007, In : Japanese Journal of Clinical Radiology. 52, 1, p. 59-65 7 p.

Research output: Contribution to journalArticle

The role of SPECT and MRI for pre and postoperative evaluation of childhood moyamoya disease: Case report and review of literature

Biswas, S. K., Toyama, H., Imizu, S., Odebode, T. O., Hattori, H., Kanamori, A., Sarai, M., Katada, K., Sano, H. & Hishida, H., 01-11-2007, In : Current Medical Imaging Reviews. 3, 4, p. 225-232 8 p.

Research output: Contribution to journalReview article

2005

Applicability of ECG-gated multislice helical CT to patients with atrial fibrillation

Sato, T., Anno, H., Kondo, T., Harigaya, H., Inoue, K., Kakizawa, S., Ohshima, K., Sarai, M., Hishida, H., Katada, K. & Kanou, M., 01-09-2005, In : Circulation Journal. 69, 9, p. 1068-1073 6 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)
2004

Right ventricular volume measurement with single-plane Simpson's method based on a new half-circle model

Cui, W., Anno, H., Kondo, T., Guo, Y., Sato, T., Sarai, M., Shinozaki, H., Kakizawa, S., Sugiura, K., Oshima, K., Katada, K. & Hishida, H., 01-04-2004, In : International Journal of Cardiology. 94, 2-3, p. 289-292 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

The accuracy and optimal slice thickness of multislice helical computed tomography for right and left ventricular volume measurement

Cui, W., Kondo, T., Anno, H., Guo, Y. Y., Sato, T., Sarai, M., Shinozaki, H., Kakizawa, S., Sugiura, K., Oshima, K., Katada, K. & Hishida, H., 01-09-2004, In : Chinese Medical Journal. 117, 9, p. 1283-1287 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2001

Relationship between thrombolytic therapy and perfusion defect detected by Gd-DTPA-enhanced fast magnetic resonance imaging in acute myocardial infarction

Motoyama, S., Kondo, T., Anno, H., Kizukuri, T., Nakamura, Y., Oshima, K., Sato, T., Sarai, M., Kurokawa, H., Watanabe, Y. & Hishida, H., 26-11-2001, In : Journal of Cardiovascular Magnetic Resonance. 3, 3, p. 237-245 9 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
1999

Vectorcardiographic evaluation of myocardial infarct size: Comparisons with thallium myocardial scintigraphy

Wang, J., Kondo, T., Tokuda, M., Shinozaki, H., Sarai, M., Yasui, T., Ishii, J., Kurokawa, H., Nomura, M., Hishida, H. & Watanabe, Y., 01-01-1999, In : Chinese medical journal. 112, 9, p. 780-786 7 p.

Research output: Contribution to journalArticle