title: Reply.
authors.affiliation: Department of Cardiac and Thoracic Surgery, University of Chicago Medicine, 5841 S Maryland Ave, MC 5040, Ste E500, Chicago, IL 60637. Electronic address: jeevan@uchicago.edu.
authors.forename: Valluvan
authors.initials: V
authors.lastname: Jeevanandam
mesh_terms: D005260:Female; D006333:Heart Failure / Q000628:therapy*; D006801:Humans; D007423:Intra-Aortic Balloon Pumping; D008297:Male; D013348:Subclavian Artery