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On cardiac resynchronisation therapy

On cardiac resynchronisation therapy Cardiac stimulation seen as a complementary therapy for heart failure has been the subject of scientific research ever since the 1990s and the studies carried out in the previous decade established the importance of cardiac resynchronization therapy (CRT) on the morbidity and the mortality of these patients. The selection for cardiac resynchronisation therapy is made according to electrical and electromechanical dyssynchronisation criteria which include the duration of the PR interval and the morphology of the QRS complex, the basic rhythm and echocardiographic parameters that evaluate the VS ejection fraction, size of ventricles, presence of mitral regurgitation, and the evaluation of intra and inter-ventricular asynchrony. The indications for CRT are well described in European guidelines for the treatment of heart failure and European guidelines for cardiac pacing. Yet, the response rate to CRT is confined to 70% of the patients, thus necessitating an optimisation of indications and the creation of new selection criteria. A few aspects are left to be dealt with as far as the selection and follow-up of patients with cardiac resynchronisation therapy are concerned: selection of patients – electric or electromechanic dyssynchrony criteria?; atrial fibrillation – unfavourable response factor to CRT?; moderate cardiac failure or asymptomatic left ventricular dysfunction – how long shall we wait? device selection: CRT-P or CRT-D?; biventricular stimulation or left ventricular stimulation?; CRT in the elderly. Keywords: cardiac resynchronization therapy; heart failure; atrial fibrillation; left ventricular stimulation http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Romanian Journal of Artistic Creativity Addleton Academic Publishers

On cardiac resynchronisation therapy

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Publisher
Addleton Academic Publishers
Copyright
© 2009 Addleton Academic Publishers
ISSN
2327-5707
eISSN
2473-6562
Publisher site
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Abstract

Cardiac stimulation seen as a complementary therapy for heart failure has been the subject of scientific research ever since the 1990s and the studies carried out in the previous decade established the importance of cardiac resynchronization therapy (CRT) on the morbidity and the mortality of these patients. The selection for cardiac resynchronisation therapy is made according to electrical and electromechanical dyssynchronisation criteria which include the duration of the PR interval and the morphology of the QRS complex, the basic rhythm and echocardiographic parameters that evaluate the VS ejection fraction, size of ventricles, presence of mitral regurgitation, and the evaluation of intra and inter-ventricular asynchrony. The indications for CRT are well described in European guidelines for the treatment of heart failure and European guidelines for cardiac pacing. Yet, the response rate to CRT is confined to 70% of the patients, thus necessitating an optimisation of indications and the creation of new selection criteria. A few aspects are left to be dealt with as far as the selection and follow-up of patients with cardiac resynchronisation therapy are concerned: selection of patients – electric or electromechanic dyssynchrony criteria?; atrial fibrillation – unfavourable response factor to CRT?; moderate cardiac failure or asymptomatic left ventricular dysfunction – how long shall we wait? device selection: CRT-P or CRT-D?; biventricular stimulation or left ventricular stimulation?; CRT in the elderly. Keywords: cardiac resynchronization therapy; heart failure; atrial fibrillation; left ventricular stimulation

Journal

Romanian Journal of Artistic Creativity – Addleton Academic Publishers

Published: Jan 1, 2014

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