The aim was to translationally compare a pharmacologic strategy versus treatment with the Impella RP in profound RV cardiogenic shock (CS). The pigs were allocated to either vasoactive therapy with norepinephrine (0.10 μg/kg/min) for the first 30 min, supplemented by an infusion of milrinone (0.4 μg/kg/min) for additional 150 min, or treatment with the Impella RP device for 180 min. Total RV workload (Pressure-volume-area × heart rate*103(mmHg/min)) remained unaffected upon treatment with the Impella RP and increased in the vasoactive group (CS 179[147;228] to norepinephrine 268[247;306](p = 0.002 compared to Impella RP) and norepinephrine + milrinone 366[329;422] (p = 0.002 compared to Impella RP). A trend towards higher venous cerebral oxygen saturation was observed with norepinephrine than Impella RP (Impella RP 51[47;61]% vs norepinephrine 62[57;71]%; p = 0.07), which became significantly higher with the addition of milrinone (Impella RP 45[32;63]% vs norepinephrine + milrinone 73[66;81]%; p = 0.002). The Impella RP unloaded the failing RV. In contrast, vasoactive treatment led to enhanced cerebral venous oxygen saturation.
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Jakob Josiassen, Ole Kristian Lerche Helgestad, Jacob Eifer Møller, Jesper Kjaergaard, Henrik Frederiksen Hoejgaard, Henrik Schmidt, Lisette Okkels Jensen, Lene Holmvang, Hanne Berg Ravn, Christian Hassager, Corstiaan den Uil, (2020) Hemodynamic and metabolic recovery in acute myocardial infarction-related cardiogenic shock is more rapid among patients presenting with out-of-hospital cardiac arrest. PLOS ONE 15 (12):e0244294
We would like to acknowledge the skilled and helpful staff at Biomedical Laboratory at Odense University Hospital, Odense, Denmark.
This work was supported by the Danish Heart Foundation, Abiomed, and the Jørgen Møller Foundation. The funders had no influence on any aspects of current work.
Conflict of Interest
Professor Møller has received a research grant from Abiomed. The remaining authors declare no competing interests.
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Associate Editor Angela Taylor oversaw the review of this article
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Josiassen, J., Helgestad, O.K.L., Udesen, N.L.J. et al. Impella RP Versus Pharmacologic Vasoactive Treatment in Profound Cardiogenic Shock due to Right Ventricular Failure. J. of Cardiovasc. Trans. Res. (2021). https://doi.org/10.1007/s12265-021-10131-x
- Cardiogenic shock
- Translational science
- Ventricular unloading
- Impella RP