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Murugan R, Kashani K, Palevsky PM. Precision net ultrafiltration dosing in continuous kidney replacement therapy: a practical approach. Intensive Care Med Exp 2023; 11:83. [PMID: 38015332 PMCID: PMC10684837 DOI: 10.1186/s40635-023-00566-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 11/17/2023] [Indexed: 11/29/2023] Open
Affiliation(s)
- Raghavan Murugan
- The Program for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America.
- The Center for Research, Investigation, and Systems Modeling of Acute Illness (CRISMA), Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America.
| | - Kianoush Kashani
- Division of Nephrology and Hypertension, Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Paul M Palevsky
- The Program for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America
- Renal and Electrolyte Division, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America
- Kidney Medicine Section, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, United States of America
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Teixeira JP, Zeidman A, Beaubien-Souligny W, Cerdá J, Connor MJ, Eggleston K, Juncos LA, da Silva JR, Wells C, Yessayan L, Barker AB, McConville W, Speer R, Wille KM, Neyra JA, Tolwani A. Proceedings of the 2022 UAB CRRT Academy: Non-Invasive Hemodynamic Monitoring to Guide Fluid Removal with CRRT and Proliferation of Extracorporeal Blood Purification Devices. Blood Purif 2023; 52:857-879. [PMID: 37742622 DOI: 10.1159/000533573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 06/29/2023] [Indexed: 09/26/2023]
Abstract
In 2022, we celebrated the 15th anniversary of the University of Alabama at Birmingham (UAB) Continuous Renal Replacement Therapy (CRRT) Academy, a 2-day conference attended yearly by an international audience of over 100 nephrology, critical care, and multidisciplinary trainees and practitioners. This year, we introduce the proceedings of the UAB CRRT Academy, a yearly review of select emerging topics in the field of critical care nephrology that feature prominently in the conference. First, we review the rapidly evolving field of non-invasive hemodynamic monitoring and its potential to guide fluid removal by renal replacement therapy (RRT). We begin by summarizing the accumulating data associating fluid overload with harm in critical illness and the potential for harm from end-organ hypoperfusion caused by excessive fluid removal with RRT, underscoring the importance of accurate, dynamic assessment of volume status. We describe four applications of point-of-care ultrasound used to identify patients in need of urgent fluid removal or likely to tolerate fluid removal: lung ultrasound, inferior vena cava ultrasound, venous excess ultrasonography, and Doppler of the left ventricular outflow track to estimate stroke volume. We briefly introduce other minimally invasive hemodynamic monitoring technologies before concluding that additional prospective data are urgently needed to adapt these technologies to the specific task of fluid removal by RRT and to learn how best to integrate them into practical fluid-management strategies. Second, we focus on the growth of novel extracorporeal blood purification devices, starting with brief reviews of the inflammatory underpinnings of multiorgan dysfunction and the specific applications of pathogen, endotoxin, and/or cytokine removal and immunomodulation. Finally, we review a series of specific adsorptive technologies, several of which have seen substantial clinical use during the COVID-19 pandemic, describing their mechanisms of target removal, the limited existing data supporting their efficacy, ongoing and future studies, and the need for additional prospective trials.
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Affiliation(s)
- J Pedro Teixeira
- Division of Nephrology and Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of New Mexico, Albuquerque, New Mexico, USA
| | - Amanda Zeidman
- Division of Nephrology, Department of Medicine, Institute for Critical Care Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | - Jorge Cerdá
- Department of Medicine, Nephrology, Albany Medical College, Albany, New York, USA
| | - Michael J Connor
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine and Division of Renal Medicine, Department of Medicine, Emory University, Atlanta, Georgia, USA
| | | | - Luis A Juncos
- Division of Nephrology, Department of Internal Medicine, Central Arkansas Veterans' Healthcare System, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | | | - Catherine Wells
- Division of Nephrology, Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi, USA
| | - Lenar Yessayan
- Division of Nephrology, Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Andrew B Barker
- Division of Critical Care Medicine, Department of Anesthesiology and Perioperative Medicine, University of Alabama Birmingham, Birmingham, Alabama, USA
| | - Wendy McConville
- School of Nursing, University of Alabama Birmingham, Birmingham, Alabama, USA
| | - Rajesh Speer
- Division of Nephrology, Department of Medicine, University of Alabama Birmingham, Birmingham, Alabama, USA
| | - Keith M Wille
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Alabama Birmingham, Birmingham, Alabama, USA
| | - Javier A Neyra
- Division of Nephrology, Department of Medicine, University of Alabama Birmingham, Birmingham, Alabama, USA
| | - Ashita Tolwani
- Division of Nephrology, Department of Medicine, University of Alabama Birmingham, Birmingham, Alabama, USA
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Claure-Del Granado R, Neyra JA, Basu RK. Acute Kidney Injury: Gaps and Opportunities for Knowledge and Growth. Semin Nephrol 2023; 43:151439. [PMID: 37968179 DOI: 10.1016/j.semnephrol.2023.151439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
Acute kidney injury (AKI) occurs frequently in hospitalized patients, regardless of age or prior medical history. Increasing awareness of the epidemiologic problem of AKI has directly led to increased study of global recognition, diagnostic tools, both reactive and proactive management, and analysis of long-term sequelae. Many gaps remain, however, and in this article we highlight opportunities to add significantly to the increasing bodies of evidence surrounding AKI. Practical considerations related to initiation, prescription, anticoagulation, and monitoring are discussed. In addition, the importance of AKI follow-up evaluation, particularly for those surviving the receipt of renal replacement therapy, is highlighted as a push for global equity in the realm of critical care nephrology is broached. Addressing these gaps presents an opportunity to impact patient care directly and improve patient outcomes.
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Affiliation(s)
- Rolando Claure-Del Granado
- Department of Medicine, Division of Nephrology, Hospital Obrero No 2-Caja Nacional de Salud, Cochabamba, Bolivia; Biomedical Research Institute, Facultad de Medicina, Universidad Mayor de San Simon, Cochabamba, Bolivia
| | - Javier A Neyra
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL
| | - Rajit K Basu
- Division of Critical Care Medicine, Department of Pediatrics, Northwestern University, Ann and Robert Lurie Children's Hospital of Chicago, Chicago, IL.
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Wang CH, Fay K, Shashaty MG, Negoianu D. Volume Management with Kidney Replacement Therapy in the Critically Ill Patient. Clin J Am Soc Nephrol 2023; 18:788-802. [PMID: 37016472 PMCID: PMC10278821 DOI: 10.2215/cjn.0000000000000164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Accepted: 03/26/2023] [Indexed: 04/06/2023]
Abstract
While the administration of intravenous fluids remains an important treatment, the negative consequences of subsequent fluid overload have raised questions about when and how clinicians should pursue avenues of fluid removal. Decisions regarding fluid removal during critical illness are complex even for patients with preserved kidney function. This article seeks to apply general concepts of fluid management to the care of patients who also require KRT. Because optimal fluid management for any specific patient is likely to change over the course of critical illness, conceptual models using phases of care have been developed. In this review, we will examine the implications of one such model on the use of ultrafiltration during KRT for volume removal in distributive shock. This will also provide a useful lens to re-examine published data of KRT during critical illness. We will highlight recent prospective trials of KRT as well as recent retrospective studies examining ultrafiltration rate and mortality, review the results, and discuss applications and shortcomings of these studies. We also emphasize that current data and techniques suggest that optimal guidelines will not consist of recommendations for or against absolute fluid removal rates but will instead require the development of dynamic protocols involving frequent cycles of reassessment and adjustment of net fluid removal goals. If optimal fluid management is dynamic, then frequent assessment of fluid responsiveness, fluid toxicity, and tolerance of fluid removal will be needed. Innovations in our ability to assess these parameters may improve our management of ultrafiltration in the future.
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Affiliation(s)
- Christina H. Wang
- Renal, Electrolyte and Hypertension Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Kevin Fay
- Renal, Electrolyte and Hypertension Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Michael G.S. Shashaty
- Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Pulmonary, Allergy, and Critical Care Division, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Dan Negoianu
- Renal, Electrolyte and Hypertension Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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