Direct Assessment of Microcirculation In Shock (DAMIS)

Maintaining organ perfusion is the key to successful intensive care medicine. Shock is the most dangerous microcirculatory disorder and one of the most hazardous and lethal conditions of critically ill patients still showing high mortality rates. However, there are still ongoing controversies, how to assess microcirculation, how to predict outcome in time and how to guide specific therapy. Macrocirculation does not reflect microcirculation. Microcirculation reflects organ perfusion and correlates with the outcome. There is growing evidence that microcirculatory parameters are powerful tools to predict the outcome after cardiac arrest. Several guidelines use it as a target to guide therapy, but these recommendations base only on supporting evidence of low quality. Lactate is a late reflector of reduced organ perfusion and is of limited value for time-critical decision-making and their value as a therapeutic target. Sublingual sidestream dark-field (SDF) - measurement is a non-invasive method that reliably reflects organ perfusion. The last generation of microcirculation assessment tools are easy to use hand-held devices that use an automatic algorithm. In consequence, microcirculation has become a directly detectable physiological compartment. However, systematic investigations about this technology in shock are still lacking. DAMIS determines the value of directly assessed microcirculation on outcome in different types of shock. Therefore, this multicenter study will recruit more than 200 patients in shock. After the first measurement, patients will be randomized either to intervention or to control. The intervention consists in knowing microcirculatory parameters. A checklist will assist the treating physicians of the interventional group in explaining microcirculatory values and offering possible treatment options. Patients in the control group will be measured as well, but results will not be communicated to the treating physician.

Direct Assessment of Microcirculation In Shock (DAMIS)

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