A single center tertiary care experience utilizing the large volume mega 50cc intra-aortic balloon counterpulsation in contemporary clinical practice

Objective

Clinical outcomes and adverse events utilizing the large volume 50cc intra-aortic balloon (IAB) in contemporary clinical practice.

Background

The newer large volume 50cc IAB, recently introduced into clinical practice offers improved diastolic augmentation and better left ventricular (LV) unloading compared to the older 40cc IAB.

Methods

In 150 consecutive patients who received intra-aortic balloon counterpulsation (IABC) with a 50cc balloon from 2011 to 2015, we retrospectively analyzed demographic, clinical, laboratory, and hemodynamic variables, adverse events and survival to discharge from index hospitalization.

Results

Median LVEF was 20%. The most common indication was cardiogenic shock (CS) in 100 patients. Median duration of IABC was 92.5 hr. 95% of patients were free of any IAB device related complications. Five patients received a transfusion for bleeding causally related to IABC. 70 of the 150 patients who received MCS with IABC with no escalation of therapy, recovered and were discharged alive. Fifteen patients were stabilized on IABC and bridged to orthotopic heart transplant. All 15 were discharged alive. Thirty-four patients were initiated on IABC and escalated to VAD and/or Impella/Tandem Heart, with 24 patients surviving to hospital discharge. Overall survival to hospital discharge for the 150 patients was 72.7%.

Conclusion

IABC using a larger volume 50cc balloon appears effective as a first line percutaneous MCS strategy in a large fraction of critically ill cardiac patients with few adverse events. A large scale registry or randomized clinical trial utilizing the larger volume IAB is needed to validate our results. © 2017 Wiley Periodicals, Inc.

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