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Teixeira JP, Griffin BR, Pal CA, González-Seguel F, Jenkins N, Jones BM, Yoshida Y, George N, Israel HP, Ghazi L, Neyra JA, Mayer KP. Critical illness myopathy and trajectory of recovery in acute kidney injury requiring continuous renal replacement therapy: a prospective observational trial protocol. BMJ Open 2023; 13:e072448. [PMID: 37217272 PMCID: PMC10230984 DOI: 10.1136/bmjopen-2023-072448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/28/2023] [Indexed: 05/24/2023] Open
Abstract
INTRODUCTION Acute kidney injury requiring renal replacement therapy (AKI-RRT) is common in the intensive care unit (ICU) and is associated with significant morbidity and mortality. Continuous RRT (CRRT) non-selectively removes large amounts of amino acids from plasma, lowering serum amino acid concentrations and potentially depleting total-body amino acid stores. Therefore, the morbidity and mortality associated with AKI-RRT may be partly mediated through accelerated skeletal muscle atrophy and resulting muscle weakness. However, the impact of AKI-RRT on skeletal muscle mass and function during and following critical illness remains unknown. We hypothesise that patients with AKI-RRT have higher degrees of acute muscle loss than patients without AKI-RRT and that AKI-RRT survivors are less likely to recover muscle mass and function when compared with other ICU survivors. METHODS AND ANALYSIS This protocol describes a prospective, multicentre, observational trial assessing skeletal muscle size, quality and function in ICU patients with AKI-RRT. We will perform musculoskeletal ultrasound to longitudinally evaluate rectus femoris size and quality at baseline (within 48 hours of CRRT initiation), day 3, day 7 or at ICU discharge, at hospital discharge, and 1-3 months postdischarge. Additional skeletal muscle and physical function tests will be performed at hospital discharge and postdischarge follow-up. We will analyse the effect of AKI-RRT by comparing the findings in enrolled subjects to historical controls of critically ill patients without AKI-RRT using multivariable modelling. ETHICS AND DISSEMINATION We anticipate our study will reveal that AKI-RRT is associated with greater degrees of muscle loss and dysfunction along with impaired postdischarge recovery of physical function. These findings could impact the in-hospital and postdischarge treatment plan for these patients to include focused attention on muscle strength and function. We intend to disseminate findings to participants, healthcare professionals, the public and other relevant groups via conference presentation and publication without any publication restrictions. TRIAL REGISTRATION NUMBER NCT05287204.
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Affiliation(s)
- J Pedro Teixeira
- Divisions of Nephrology and Pulmonary, Critical Care, and Sleep Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
- Center for Adult Critical Care, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Benjamin R Griffin
- Division of Nephrology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Chaitanya Anil Pal
- Division of Nephrology, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
| | - Felipe González-Seguel
- Servicio Medicina Física y Rehabilitación, Clinica Alemana de Santiago SA, Santiago, Región Metropolitana, Chile
- Facultad de Medicina, Universidad del Desarrollo, Santiago, Región Metropolitana, Chile
| | - Nathanial Jenkins
- Department of Health and Human Physiology, The University of Iowa, Iowa City, Iowa, USA
| | - Beth M Jones
- Department of Orthopedics & Rehabilitation, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
| | - Yuri Yoshida
- Department of Orthopedics & Rehabilitation, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
| | - Naomi George
- Center for Adult Critical Care, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
- Department of Emergency Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
| | - Hayley Puffer Israel
- Center for Adult Critical Care, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
- Division of Pulmonary, Critical Care, and Sleep Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
| | - Lama Ghazi
- Department of Epidemiology, The University of Alabama School of Public Health, Birmingham, Alabama, USA
| | - Javier A Neyra
- Division of Nephrology, The University of Alabama Heersink School of Medicine, Birmingham, Alabama, USA
| | - Kirby P Mayer
- Department of Physical Therapy, University of Kentucky College of Health Sciences, Lexington, Kentucky, USA
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