Publications by authors named "Keiko Ryo"

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Significant prognostic impact of improvement in ventriculo-arterial coupling induced by dobutamine stress on cardiovascular outcome for patients with dilated cardiomyopathy.
Kensuke Matsumoto, Hidekazu Tanaka, Junichi Ooka, Yoshiki Motoji, Takuma Sawa, Keiko Ryo

Eur Heart J Cardiovasc Imaging· November 2016

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The Prognostic Utility of a Simplified Biventricular Echocardiographic Index of Cardiac Remodeling in Patients with Pulmonary Hypertension.
Akiko Goda, Keiko Ryo, Antonia Delgado-Montero, Bhupendar Tayal, Rishin Handa

J Am Soc Echocardiogr· June 2016

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Additive Prognostic Value of Echocardiographic Global Longitudinal and Global Circumferential Strain to Electrocardiographic Criteria in Patients With Heart Failure Undergoing Cardiac Resynchronization Therapy.
Antonia Delgado-Montero, Bhupendar Tayal, Akiko Goda, Keiko Ryo, Josef J Marek

Circ Cardiovasc Imaging· June 2016

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Right Ventricular Function in Peripartum Cardiomyopathy at Presentation Is Associated With Subsequent Left Ventricular Recovery and Clinical Outcomes.
Lori A Blauwet, Antonia Delgado-Montero, Keiko Ryo, Josef J Marek, Rami Alharethi

Circ Heart Fail· May 2016

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Left ventricular dyssynergy and dispersion as determinant factors of fatal ventricular arrhythmias in patients with mildly reduced ejection fraction.
Hiroki Matsuzoe, Hidekazu Tanaka, Kensuke Matsumoto, Hiromi Toki, Hiroyuki Shimoura, Keiko Ryo

Eur Heart J Cardiovasc Imaging· March 2016

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Comparative long-term outcomes after cardiac resynchronization therapy in right ventricular paced patients versus native wide left bundle branch block patients.
Bhupendar Tayal, John Gorcsan, Antonia Delgado-Montero, Akiko Goda, Keiko Ryo

Heart Rhythm· February 2016

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Association of Apical Longitudinal Rotation with Right Ventricular Performance in Patients with Pulmonary Hypertension: Insights into Overestimation of Tricuspid Annular Plane Systolic Excursion.
Yoshiki Motoji, Hidekazu Tanaka, Yuko Fukuda, Hiroyuki Sano, Keiko Ryo

Echocardiography· February 2016

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Utility of Isovolumic Contraction Peak Velocity for Evaluation of Adult Patient Status after Transcatheter Closure of Atrial Septal Defect.
Takuma Sawa, Hidekazu Tanaka, Yoshiki Motoji, Mana Hiraishi, Yasuhide Mochizuki, Keiko Ryo

Echocardiography· January 2016

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Mechanical Dyssynchrony by Tissue Doppler Cross-Correlation is Associated with Risk for Complex Ventricular Arrhythmias after Cardiac Resynchronization Therapy.
Bhupendar Tayal, John Gorcsan, Antonia Delgado-Montero, Josef J Marek, Kristina H Haugaa, Keiko Ryo

J Am Soc Echocardiogr· December 2015

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Reply.
Takuma Sawa, Hidekazu Tanaka, Yoshiki Motoji, Mana Hiraishi, Yasuhide Mochizuki, Keiko Ryo

Echocardiography· November 2015

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Characterization of right ventricular remodeling in pulmonary hypertension associated with patient outcomes by 3-dimensional wall motion tracking echocardiography.
Keiko Ryo, Akiko Goda, Tetsuari Onishi, Antonia Delgado-Montero, Bhupendar Tayal

Circ Cardiovasc Imaging· June 2015

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Association of peripheral nerve conduction in diabetic neuropathy with subclinical left ventricular systolic dysfunction.
Yasuhide Mochizuki, Hidekazu Tanaka, Kensuke Matsumoto, Hiroyuki Sano, Hiromi Toki, Keiko Ryo

Cardiovasc Diabetol· May 2015

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Interdependence of right ventricular systolic function and left ventricular filling and its association with outcome for patients with pulmonary hypertension.
Yoshiki Motoji, Hidekazu Tanaka, Yuko Fukuda, Hiroyuki Sano, Keiko Ryo

Int J Cardiovasc Imaging· April 2015

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Right ventricular function and right-heart echocardiographic response to therapy predict long-term outcome in patients with pulmonary hypertension.
Hiroyuki Sano, Hidekazu Tanaka, Yoshiki Motoji, Yuko Fukuda, Takuma Sawa, Keiko Ryo

Can J Cardiol· April 2015

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Clinical features of subclinical left ventricular systolic dysfunction in patients with diabetes mellitus.
Yasuhide Mochizuki, Hidekazu Tanaka, Kensuke Matsumoto, Hiroyuki Sano, Hiromi Toki, Keiko Ryo

Cardiovasc Diabetol· April 2015

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Utility of combining assessment of right ventricular function and right atrial remodeling as a prognostic factor for patients with pulmonary hypertension.
Yuko Fukuda, Hidekazu Tanaka, Yoshiki Motoji, Keiko Ryo, Takuma Sawa

Int J Cardiovasc Imaging· October 2014

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Mechanical dyssynchrony after cardiac resynchronization therapy for severely symptomatic heart failure is associated with risk for ventricular arrhythmias.
Kristina H Haugaa, Josef J Marek, Mohammed Ahmed, Keiko Ryo, Evan C Adelstein

J Am Soc Echocardiogr· August 2014

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Combined baseline strain dyssynchrony index and its acute reduction predicts mid-term left ventricular reverse remodeling and long-term outcome after cardiac resynchronization therapy.
Kazuhiro Tatsumi, Hidekazu Tanaka, Kensuke Matsumoto, Tatsuya Miyoshi, Mana Hiraishi, Keiko Ryo

Echocardiography· April 2014

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Right ventricular apical pacing-induced left ventricular dyssynchrony is associated with a subsequent decline in ejection fraction.
Mohamed Ahmed, John Gorcsan, Josef Marek, Keiko Ryo, Kristina Haugaa

Heart Rhythm· April 2014

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Usefulness of echocardiographically guided left ventricular lead placement for cardiac resynchronization therapy in patients with intermediate QRS width and non-left bundle branch block morphology.
Josef J Marek, Samir Saba, Tetsuari Onishi, Keiko Ryo, David Schwartzman

Am J Cardiol· January 2014

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Efficacy of right ventricular free-wall longitudinal speckle-tracking strain for predicting long-term outcome in patients with pulmonary hypertension.
Yoshiki Motoji, Hidekazu Tanaka, Yuko Fukuda, Keiko Ryo, Noriaki Emoto

Circ J· September 2013

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Subendocardial dysfunction in patients with chronic severe aortic regurgitation and preserved ejection fraction detected with speckle-tracking strain imaging and transmural myocardial strain profile.
Akihiro Kaneko, Hidekazu Tanaka, Tetsuari Onishi, Keiko Ryo, Kensuke Matsumoto

Eur Heart J Cardiovasc Imaging· April 2013

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Utility of combined assessment of baseline dyssynchrony and its acute improvement to predict long-term outcomes after cardiac resynchronization therapy.
Junichi Imanishi, Hidekazu Tanaka, Kensuke Matsumoto, Kazuhiro Tatsumi, Tatsuya Miyoshi, Keiko Ryo

Am J Cardiol· December 2012

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Contractile reserve assessed by three-dimensional global circumferential strain as a predictor of cardiovascular events in patients with idiopathic dilated cardiomyopathy.
Kensuke Matsumoto, Hidekazu Tanaka, Akihiro Kaneko, Keiko Ryo, Yuko Fukuda

J Am Soc Echocardiogr· December 2012

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Regional heterogeneity of systolic dysfunction is associated with ventricular dyssynchrony in patients with idiopathic dilated cardiomyopathy and narrow QRS complex.
Kensuke Matsumoto, Hidekazu Tanaka, Kazuhiro Tatsumi, Akihiro Kaneko, Takayuki Tsuji, Keiko Ryo

Echocardiography· November 2012

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