• Tariq Enezate, Mohammad Eniezat, and Joseph Thomas.
• Division of Cardiovascular Medicine, University of Missouri Health Care, Columbia, Missouri. Electronic address: enezatet@health.missouri.edu.
• Am. J. Cardiol. 2019 Aug 15; 124 (4): 505-510.

AbstractCardiogenic shock (CS) is associated with high morbidity and mortality despite recent advances in the temporary mechanical circulatory support (MCS) devices. The current utilization and outcomes of these MCS devices with or without vasopressors compared with conventional medical therapy (no-MCS) in CS remain poorly described. The study population was extracted from the 2014 Nationwide Readmissions Database using International Classification of Diseases, Ninth Revision, Clinical Modification codes for CS, temporary MCS devices, and vasopressor infusion. Study end points included in-hospital all-cause mortality, length of index hospital stay (LOS), the likelihood of receiving invasive treatment, postprocedural bleeding, vascular complications, total hospitalization charges, and discharge disposition. A total of 59,148 discharges with a diagnosis of CS were identified (age 67 years; 38.5% female). Temporary MCS devices were utilized in 22.7%. The use of these devices was associated with lower in-hospital all-cause mortality (33.0% vs 39.7%, p <0.01), increased likelihood of invasive therapy (75.7% vs 26.3%, p <0.01), and increased likelihood of being discharged home (24.8% vs 20.6%, p <0.01). However, the MCS group had longer LOS (16.9 vs 12.1 days, p <0.01), higher vascular complications (2.6% vs 1.4%, p <0.01), bleeding (31.2% vs 16.8%, p <0.01), and total hospitalization charges ($374,574 vs $182,045, p <0.01). In conclusion, the use of the temporary MCS devices for the treatment of CS was associated with lower mortality, increased the likelihood of receiving invasive treatment and the likelihood of being discharged home. However, it was associated with higher in-hospital complications, LOS, and hospitalization charges.Copyright © 2019 Elsevier Inc. All rights reserved.

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