• Margaret R Ninemire, Matei Petrescu, Matthew A Musick, Lara S Shekerdemian, Shelley Kumar, Julie Dinh, and Satid Thammasitboon.
• Texas Children's Hospital/Baylor College of Medicine, Houston, TX.
• Pediatr Crit Care Me. 2022 Oct 1; 23 (10): e456-e464.

ObjectivesThe subspecialty cohort model allows for creation of smaller diagnosis pools, enabling concentration of expertise and collaboration. Given unknown effects of this model on team dynamics in a PICU, we examined how the cohort-model implementation was perceived by our providers and how this organizational change affected the work environment.DesignCase study research approach consisting of surveys, operational observations, and semistructured interviews. A descriptive survey was derived from an integrated conceptual framework (i.e., teamwork and psychologic safety). Sensitized by the framework and quantitative survey data, we conducted a thematic analysis from field notes and interview data.SettingA quaternary-care, children's hospital with a 31-bed PICU.SubjectsPICU providers and nurses and subspecialists.InterventionImplementation of the subspecialty cohort model.Measurements And Main ResultsA total of 308 and 269 responses from pre- and postcohort surveys, respectively, were analyzed. Overall, 76% of physicians and 74% of nurses viewed the cohort model favorably. Three themes emerged: community-from disruption to redistribution, transforming identity-expert or generalist, and expansive learning from focused practice. The findings provided insights, informed by a theory of "Community of Practice," as lessons learned and ways to enhance the cohort model.ConclusionsOur transition to a cohort PICU model offers lessons on impacts of PICU model changes on communities and teams. These theory-informed insights and implications can guide others undergoing similar transitions.Copyright © 2022 by the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies.

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