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Introduction: Multidisciplinary rounds (MDR) are typically organized to allow interaction and information sharing between care providers. A recent study has suggested that the presence of a multidisciplinary team in Intensive Care Units (ICU) is associated with improved outcomes regardless of the presence of an Intensivist.(1) Hypothesis: We hypothesized that Intensivist engagement in ICU patient care would be associated with a greater likelihood of daily MDR occurrence independent of other ICU factors. Methods: To test this hypothesis, we analyzed data from a recent SCCM/SHM survey of ICU practitioners. This vignette-based survey asked questions related to a clinical case including: whether a MDR occurred, who was present at the MDR, and how consultant input is conveyed. This survey was distributed to 19,704 US recipients in clinical practice. From this 1,936 surveys were returned representing 1,679 unique ICUs. There were 1,261 responses to the MDR vignette. Results: Universal Intensivist involvement was the most common care model (61%). Intensivist-by-on-demand-consultation was next most frequent (23%), followed by no intensivist or mixed models. A MDR occurred in 71% of ICUs surveyed. The MDRs occurred more frequently when intensivists were involved in all ICU patients as compared to other models. [79.3% vs 58.1% (consult only) or 42.5% (no intensivist)]. After controlling for the presence of trainees, ICU type, ICU size and other important variables, MDR occurrence was significantly less likely to occur in consultant Intensivist versus universal Intensivist management models. [OR 0.58, 95% CI 0.4-0.83, p=0.003] When consultants had information on patient care to convey after the MDR occurred that day, the consultants more commonly communicated directly with the primary physician when Intensivists were involved in all ICU patients care. (44.5% vs 31.2% in consult only) Conclusions: Intensivist involvement in all ICU patients was independently associated with the presence of multidisciplinary rounds and potentially more direct communication practices within the ICU.1. Kim, M. M., et al. 2010. The effect of multidisciplinary care teams on intensive care unit mortality. Arch Intern Med. 170:369-376