Rationale and design of a randomized clinical trial to assess the safety and efficacy of frequent optimization of cardiac resynchronization therapy: The Frequent Optimization Study Using the QuickOpt Method (FREEDOM) trial William T. Abraham, MD, Daniel Gras, MD, Cheuk Man Yu, MD, Lisa Guzzo, MS, Manish S. Gupta, MS American Heart Journal Volume 159, Issue 6, Pages 944-948.e1 (June 2010) DOI: 10.1016/j.ahj.2010.02.034 Copyright © 2010 Mosby, Inc. Terms and Conditions
Figure 1 Flowchart of trial from patient enrollment to end of follow-up. American Heart Journal 2010 159, 944-948.e1DOI: (10.1016/j.ahj.2010.02.034) Copyright © 2010 Mosby, Inc. Terms and Conditions
Figure 2 Decision algorithm to classify the response to treatment of HF (adapted from Packer11). American Heart Journal 2010 159, 944-948.e1DOI: (10.1016/j.ahj.2010.02.034) Copyright © 2010 Mosby, Inc. Terms and Conditions