• Shahin Isha, Prasanth Balasubramanian, Lekhya Raavi, Abby J Hanson, Anna Jenkins, Parthkumar Satashia, Arvind Balavenkataraman, Iván A Huespe, Aysun Tekin, Vikas Bansal, Sean M Caples, Syed Anjum Khan, Nitesh K Jain, Abigail T LaNou, Rahul Kashyap, Rodrigo Cartin-Ceba, Bhavesh M Patel, Houssam Farres, Scott A Helgeson, Ricardo Diaz Milian, Carla P Venegas, Nathan Waldron, Anna B Shapiro, Anirban Bhattacharyya, Sanjay Chaudhary, Sean P Kiley, Young M Erben, Quintin J Quinones, Neal M Patel, Pramod K Guru, Moreno FrancoPabloPDepartment of Critical Care Medicine, Mayo Clinic in Florida, 4500 San Pablo Rd S, Jacksonville, FL 32224, USA., and Devang K Sanghavi.
• Department of Critical Care Medicine, Mayo Clinic in Florida, 4500 San Pablo Rd S, Jacksonville, FL 32224, USA.
• Am. J. Med. Sci. 2024 Dec 1; 368 (6): 589599589-599.

PurposeTo explore the association of estimated plasma volume (ePV) and plasma volume status (PVS) as surrogates of volume status with new-onset AKI and in-hospital mortality among hospitalized COVID-19 patients.Materials And MethodsWe performed a retrospective multi-center study on COVID-19-related ARDS patients who were admitted to the Mayo Clinic Enterprise health system. Plasma volume was calculated using the formulae for ePV and PVS, and longitudinal analysis was performed to find the association of ePV and PVS with new-onset AKI during hospitalization as the primary outcome and in-hospital mortality as a secondary outcome.ResultsOur analysis included 7616 COVID-19 patients with new-onset AKI occurring in 1365 (17.9%) and a mortality rate of 25.96% among them. A longitudinal multilevel multivariate analysis showed both ePV (OR 1.162; 95% CI 1.048-1.288, p=0.004) and PVS (OR 1.032; 95% CI 1.012-1.050, p=0.001) were independent predictors of new onset AKI. Higher PVS was independently associated with increased in-hospital mortality (OR 1.038, 95% CI 1.007-1.070, p=0.017), but not ePV (OR 0.868, 95% CI 0.740-1.018, p=0.082).ConclusionA higher PVS correlated with a higher incidence of new-onset AKI and worse outcomes in our cohort of hospitalized COVID-19 patients. Further large-scale and prospective studies are needed to understand its utility.Copyright © 2024 Southern Society for Clinical Investigation. Published by Elsevier Inc. All rights reserved.

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