• Int. J. Cardiol. · Mar 2017

    Randomized Controlled Trial Multicenter Study

    Use of noninvasive and invasive mechanical ventilation in cardiogenic shock: A prospective multicenter study.

    • Mari Hongisto, Johan Lassus, Tuukka Tarvasmaki, Alessandro Sionis, Heli Tolppanen, Matias Greve Lindholm, Marek Banaszewski, John Parissis, Jindrich Spinar, Jose Silva-Cardoso, Valentina Carubelli, Salvatore Di Somma, Josep Masip, and Veli-Pekka Harjola.
    • Emergency Medicine, University of Helsinki, Department of Emergency Care, Helsinki University Hospital, Helsinki, Finland. Electronic address: mari.hongisto@hus.fi.
    • Int. J. Cardiol. 2017 Mar 1; 230: 191-197.

    BackgroundDespite scarce data, invasive mechanical ventilation (MV) is widely recommended over non-invasive ventilation (NIV) for ventilatory support in cardiogenic shock (CS). We assessed the real-life use of different ventilation strategies in CS and their influence on outcome focusing on the use of NIV and MV.Methods219 CS patients were categorized by the maximum intensity of ventilatory support they needed during the first 24h into MV (n=137; 63%) , NIV (n=26; 12%), and supplementary oxygen (n=56; 26%) groups. We compared the clinical characteristics and 90-day outcome between the MV and the NIV groups.ResultsMean age was 67years, 74% were men. The MV and NIV groups did not differ in age, medical history, etiology of CS, PaO2/FiO2 ratio, baseline hemodynamics or LVEF. MV patients predominantly presented with hypoperfusion, with more severe metabolic acidosis, higher lactate levels and greater need for vasoactive drugs, whereas NIV patients tended to be more often congestive. 90-day outcome was significantly worse in the MV group (50% vs. 27%), but after propensity score adjustment, mortality was equal in both groups. Confusion, prior CABG, ACS etiology, higher lactate level, and lower baseline PaO2 were independent predictors of mortality, whereas ventilation strategy did not have any influence on outcome.ConclusionsAlthough MV is generally recommended mode of ventilatory support in CS, a fair number of patients were successfully treated with NIV. Moreover, ventilation strategy was not associated with outcome. Thus, NIV seems a safe option for properly chosen CS patients.Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.

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