My CME -- THURSDAY, Oct. 14 (HealthDay News) -- Implantation of a percutaneous ventricular assist device (pVAD) can rapidly improve hemodynamic parameters in patients with severerefractory cardiogenic shock (SRCS) despite intra-aortic balloon pump (IABP) and vasopressor support, according to research published online Oct. 13 in the Journal of the American College of Cardiology.