Cardiac resynchronization therapy in inotrope‐dependent heart failure: a meta‐analysis by Al‐Shakarchi, NJ, Ho, JS, Bray, JJ, D'Ascenzo, F, Duffy, E, Hewett, J, Adegbie, D, Khan, F, Kumar, NS, Patel, N, Ahmad, M, Banerjee, A, Haq, I, Providencia, R