Optimizing Protein Intake and Nitrogen Balance (OPINiB) in Adult Critically Ill Patients: A Study Protocol for a Randomized Controlled Trial

Matteo Danielis   ¹ , RN ;   Giulia Lorenzoni   ² , MA ;   Laura Cavaliere   ² , MA ;   Mariangela Ruffolo   ² , MA ;   Luca Peressoni   ¹ , RN ;   Amato De Monte   ¹ , MD ;   Rodolfo Muzzi   ¹ , MD ;   Fabio Beltrame   ¹ , MD ;   Dario Gregori   ² , PhD

¹ Department of Anaesthesia and Intensive Care–Azienda Sanitaria Universitaria Integrata di Udine, Udine, Italy

² Unit of Biostatistics, Epidemiology, and Public Health, Department of Cardiac, Thoracic, and Vascular Sciences, University of Padova, Padova, Italy