Pressure Injury is an adverse event that mainly affects patients hospitalized under critical care due to its vulnerability. Thinking about all the harm that pressure injury cause and, aiming its prevention, risk predictor scales were developed. Today, the most used is the Braden Scale, but it has not shown adequate predictability when it comes to critically ill patients. Thus, CALCULATE tool emerges as a new English origin tool, which the authors develop it specifically for these patients. Objective: To adapt and cross-culturally validate the CALCULATE tool for Brazilian Portuguese and compare its predictive ability with the Braden Scale. Method: The CALCULATE tool will be translated and adapted according to the proposal of Beaton et al. accepted internationally and consists of six steps: translation, synthesis, back translation, expert committee, pretest and submission of the adapted version to the author of the version original. In the cross-cultural adaptation phase, nurses will evaluate the adapted version. To validate the reproducibility of the CALCULATE tool, a prospective cohort study will be performed to compare risk scales, where the validated instrument will be applied to adults admitted to an Intensive Care Unit. For the statistical analysis, Logistic Regression will be used to verify the factors that influenced the development of pressure injury and the risk assessment scales studied. Expected Results: After translation, adaptation and validation into Brazilian Portuguese, it is expected that in the comparative phase with the other four scales, the new instrument will have greater predictive accuracy to identify risk of development of pressure injuries in critically ill adult patients in a intensive care unit.
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