Limitations
This study was prone to limitations. This study was a retrospective
review of patients who received unplanned de novo MCS after cardiac
surgery, and thus was not randomized. As such, direct comparisons of MCS
strategies are not possible within the limits of this study. Mechanical
support may be initiated for various reasons, and the choice of bridging
support is often tailored to the individual needs of the patient or
preferences of the surgeon. As a result, selection bias likely exists.
The scope of this study is to report upon a large experience of MCS
support following cardiac surgery and to evaluate both early and
longitudinal outcomes, and to not advocate the usage of one form of
support over another.