Key result
Noninvasive imaging techniques, particularly echocardiography and nuclear imaging, are important for assessing benefits and optimizing atrioventricular and interventricular delays after CRT.
This review highlights the role of noninvasive imaging, particularly echocardiography and nuclear imaging, in assessing benefits and optimizing settings for cardiac resynchronization therapy.
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May assist post-CRT optimization; leaves open prospective validation on clinical outcomes.
Cardiac resynchronization therapy (CRT) has become a therapeutic option for drug-refractory heart failure. Several noninvasive imaging techniques play an increasingly important role before and after device implantation. This review highlights the acute and long-term CRT benefits after implantation as assessed with echocardiography and nuclear imaging. Furthermore, optimization of CRT settings, in particular atrioventricular and interventricular delay, will be discussed using echocardiography and other (device-based) techniques.
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Ypenburg et al. (2008) conducted a review in drug-refractory heart failure. Noninvasive imaging (echocardiography and nuclear imaging) was evaluated. Noninvasive imaging techniques, particularly echocardiography and nuclear imaging, are important for assessing benefits and optimizing atrioventricular and interventricular delays after CRT.
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