Left ventricular function and myocardial perfusion before and after cardiac resynchronization therapy in chronic right ventricular apical pacing by echocardiogram-gated myocardial perfusion single photon emission computed tomography

Abstract Introduction The aim of this study was to evaluate the changes in cardiac performance and myocardial blood perfusion by single photon emission computed tomography (SPECT) in patients upgrading to cardiac resynchronization therapy (CRT) from right ventricular apical pacing (RVAP). Methods El...

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Veröffentlicht in:	Journal of Arrhythmia 2012-04, Vol.28 (2), p.100-104
Hauptverfasser:	Honda, Yuki, MD, Higashi, Yuukei, MD, PhD, Ebato, Mio, MD, PhD, Wakatsuki, Daisuke, MD, PhD, Shimojima, Hisa, MD, PhD, Suzuki, Hiroshi, MD, PhD, Takeyama, Youichi, MD, PhD
Format:	Artikel
Sprache:	eng
Schlagworte:	Cardiac blood perfusion Cardiac function Cardiac patients Cardiovascular Cardiovascular disease Care and treatment Coronary vessels CRT upgrading CT imaging Echocardiography Flow velocity Heart Heart failure Ischemia Medical imaging equipment Myocardial perfusion SPECT Pacemakers Patients Regions Remodeling SPECT imaging Tomography Ultrasonic imaging
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Zusammenfassung:	Abstract Introduction The aim of this study was to evaluate the changes in cardiac performance and myocardial blood perfusion by single photon emission computed tomography (SPECT) in patients upgrading to cardiac resynchronization therapy (CRT) from right ventricular apical pacing (RVAP). Methods Eleven patients (age, 70±7.7 years; pacing career, 95±48.8 months) with chronic RVAP were studied. Their baseline characteristics included New York Heart Association (NYHA) class ≥2, with left ventricular end-diastolic volume (LVEDV) >55 mm or left ventricular ejection fraction (LVEF)
ISSN:	1880-4276 1883-2148
DOI:	10.1016/j.joa.2012.03.006