• Haley A Bento, Danica Dummer, Bryan D Lohse, Christopher Noren, and Joseph E Tonna.
• Acute Therapy Services, University of Utah Health, Salt Lake City, UT.
• Crit Care Explor. 2020 Jun 1; 2 (6): e0131.

ObjectivesTo describe the practice of physical therapy for patients requiring continuous renal replacement therapy and assess data related to the safety and feasibility of physical therapy interventions.DesignA retrospective observational cohort study.PatientsSurgical and cardiovascular patients receiving continuous renal replacement therapy during a 2-year period from December 2016 to November 2018.SettingTwo ICUs at a single academic medical center.InterventionPhysical mobility and ambulation while on continuous renal replacement therapy.Measurements And Main ResultsTherapy data including ICU Mobility Scale score, number of physical therapy sessions with and without ambulation and gait distance, along with safety data including filter life, safety events, and mortality were analyzed. The cohort of patients receiving continuous renal replacement therapy during the 2-year period was 206. Of these, 172 (83.49%) received simultaneous physical therapy. The median ICU Mobility Scale was 5 (interquartile range, 4-7) over a total of 1,517 physical therapy sessions. Ambulation with concomitant continuous renal replacement therapy connected was achieved in 78 patients (37.86%). There were 377 ambulation sessions (24.85% of all sessions) with a mean of 4.83 (sds 4.94) ambulation sessions per ambulatory patient. Patients walked an average of 888.53 feet (sd 1,365.50) while on continuous renal replacement therapy and a daily average of 150.61 feet (sd 133.50). In-hospital mortality was lowest for patients who ambulated (17.95%) and highest for patients who received no therapy (73.53%). Continuous renal replacement therapy filter life was longest for patients who ambulated (2,047.20 min [sd 1,086.50 min]), and shortest in patients who received no therapy (1,682.20 min [sd 1,343.80 min]). One safety event was reported during this time (0.0007% of all physical therapy sessions).ConclusionsAmbulation while on continuous renal replacement therapy was not associated with an increased risk of safety events and was feasible with the use of nonfemoral catheters and dialysis equipment with internal batteries.Copyright © 2020 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of the Society of Critical Care Medicine.

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