Why the study?
Does prophylactic preoperative IABP placement reduce mortality and the need for postoperative support in patients with LVEF < 40% undergoing open-heart surgery?
Does prophylactic preoperative IABP placement reduce mortality and the need for postoperative support in patients with LVEF < 40% undergoing open-heart surgery?
Prophylactic preoperative IABP placement in patients with LVEF < 40% undergoing open-heart surgery is associated with lower mortality and reduced need for postoperative support compared to intra- or postoperative placement.
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Preoperative IABP may benefit selected low-LVEF surgery patients; hypothesis-generating and should not yet change practice pending RCTs.
Michael Schmid (1999) studied this question.