Echocardiography for Cardiac Resynchronization Therapy Selection. Fatally Flawed or Misjudged?

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Abstract

After the publication of the PROSPECT (Predictors of Response to CRT) trial, the use of echocardiography for the assessment of mechanical dyssynchrony and as a possible aid for selecting patients for cardiac resynchronization therapy has been heavily criticized. Calls have been made to observe the current guidelines and implant according to the entry criteria of recent major trials. However, although this approach is currently to be recommended, the attempt to identify patients who will not receive the benefits of cardiac resynchronization therapy and whose clinical condition may be worsened should continue. Devices are not analogous to drugs: initial costs are higher, complications are significant, and the device cannot readily be withdrawn. Professional resources and the costs to society are high and wasted if devices are implanted inappropriately. Rather that discarding the attempt to identify the most suitable patients pre-operatively, further work is needed to refine the techniques and new clinical trials performed. A combination of methods that include finding the site of latest mechanical activation, myocardial scar localization, and assessing venous anatomy pre-operatively may help to identify those who will not derive any benefit or be potentially worsened. © 2009 American College of Cardiology Foundation.

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APA

Sanderson, J. E. (2009, May 26). Echocardiography for Cardiac Resynchronization Therapy Selection. Fatally Flawed or Misjudged? Journal of the American College of Cardiology. Elsevier USA. https://doi.org/10.1016/j.jacc.2008.12.071

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