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Overestimation by echocardiography of the peak systolic pressure gradient between the right ventricle and right atrium due to tricuspid regurgitation and the usefulness of the early diastolic transpulmonary valve pressure gradient for estimating pulmonary artery pressure.
Hioka T, Kaga S, Mikami T, Okada K, Murayama M, Masauzi N, Nakabachi M, Nishino H, Yokoyama S, Nishida M, Iwano H, Sakakibara M, Yamada S, Tsutsui H. Hioka T, et al. Among authors: okada k. Heart Vessels. 2017 Jul;32(7):833-842. doi: 10.1007/s00380-016-0929-4. Epub 2016 Dec 20. Heart Vessels. 2017. PMID: 27999948 Free article.
Strain rate dispersion index can predict changes in left ventricular volume and adverse cardiac events following cardiac resynchronization therapy.
Iwano H, Yamada S, Watanabe M, Mitsuyama H, Mizukami K, Nishino H, Yokoyama S, Kaga S, Okada K, Nishida M, Yokoshiki H, Mikami T, Tsutsui H. Iwano H, et al. Among authors: okada k. Circ J. 2013;77(11):2757-65. doi: 10.1253/circj.cj-13-0483. Epub 2013 Aug 8. Circ J. 2013. PMID: 23924889 Free article. Clinical Trial.
Quantitative and pattern analyses of continuous-wave Doppler-derived pulmonary regurgitant flow velocity for the diagnosis of constrictive pericarditis.
Kaga S, Mikami T, Takamatsu Y, Abe A, Okada K, Nakabachi M, Nishino H, Yokoyama S, Nishida M, Shimizu C, Iwano H, Yamada S, Tsutsui H. Kaga S, et al. Among authors: okada k. J Am Soc Echocardiogr. 2014 Nov;27(11):1223-9. doi: 10.1016/j.echo.2014.07.002. Epub 2014 Aug 2. J Am Soc Echocardiogr. 2014. PMID: 25096415
Overweight causes left ventricular diastolic asynchrony and diastolic dysfunction: a study based on speckle tracking echocardiography in healthy subjects.
Nakabachi M, Mikami T, Okada K, Onozuka H, Kaga S, Inoue M, Yokoyama S, Nishida M, Shimizu C, Matsuno K, Iwano H, Yamada S, Tsutsui H. Nakabachi M, et al. Among authors: okada k. J Echocardiogr. 2012 Sep;10(3):83-9. doi: 10.1007/s12574-012-0133-1. Epub 2012 Jul 26. J Echocardiogr. 2012. PMID: 27278205
Coexisting cardiac diseases and pressure recovery phenomenon contribute to discrepancy between the echocardiographic severity of aortic stenosis and left ventricular hypertrophy.
Abe A, Mikami T, Kaga S, Tsuji K, Okada K, Yokoyama S, Nishino H, Nakabachi M, Nishida M, Shimizu C, Iwano H, Yamada S, Tsutsui H. Abe A, et al. Among authors: okada k. J Echocardiogr. 2013 Jun;11(2):41-9. doi: 10.1007/s12574-012-0161-x. Epub 2013 Jan 9. J Echocardiogr. 2013. PMID: 27278510
Semi-Automatic Rating Method for Neutrophil Alkaline Phosphatase Activity.
Sugano K, Hashi K, Goto M, Nishi K, Maeda R, Kono K, Yamamoto M, Okada K, Kaga S, Miwa K, Mikami T, Masauzi N. Sugano K, et al. Among authors: okada k. J Clin Lab Anal. 2017 Jan;31(1):e22022. doi: 10.1002/jcla.22022. Epub 2016 Jul 4. J Clin Lab Anal. 2017. PMID: 27377175 Free PMC article.
6,019 results