Echocardiography plays a multifaceted role in CRT management, from patient selection to device optimization and long-term follow-up.
Supports echocardiography for CRT selection and optimization; leaves open need for randomized trials to confirm outcome impact.
Echocardiography has several roles in patients with cardiac resynchronisation therapy (CRT). First, it can optimise selection of CRT candidates by demonstration of left ventricular (LV) dyssynchrony. Second, it can be used to assess immediate response to CRT, including detection of acute LV resynchronisation. Echocardiography is also useful to evaluate long-term benefit from CRT. Finally, echocardiography is important in optimisation of pacemaker settings, including AV and VV optimisation.
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Bleeker et al. (2007) studied this question.
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