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Yoo KD, Noh J, Bae W, An JN, Oh HJ, Rhee H, Seong EY, Baek SH, Ahn SY, Cho JH, Kim DK, Ryu DR, Kim S, Lim CS, Lee JP. Predicting outcomes of continuous renal replacement therapy using body composition monitoring: a deep-learning approach. Sci Rep 2023; 13:4605. [PMID: 36944678 PMCID: PMC10030803 DOI: 10.1038/s41598-023-30074-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 02/15/2023] [Indexed: 03/23/2023] Open
Abstract
Fluid balance is a critical prognostic factor for patients with severe acute kidney injury (AKI) requiring continuous renal replacement therapy (CRRT). This study evaluated whether repeated fluid balance monitoring could improve prognosis in this clinical population. This was a multicenter retrospective study that included 784 patients (mean age, 67.8 years; males, 66.4%) with severe AKI requiring CRRT during 2017-2019 who were treated in eight tertiary hospitals in Korea. Sequential changes in total body water were compared between patients who died (event group) and those who survived (control group) using mixed-effects linear regression analyses. The performance of various machine learning methods, including recurrent neural networks, was compared to that of existing prognostic clinical scores. After adjusting for confounding factors, a marginal benefit of fluid balance was identified for the control group compared to that for the event group (p = 0.074). The deep-learning model using a recurrent neural network with an autoencoder and including fluid balance monitoring provided the best differentiation between the groups (area under the curve, 0.793) compared to 0.604 and 0.606 for SOFA and APACHE II scores, respectively. Our prognostic, deep-learning model underlines the importance of fluid balance monitoring for prognosis assessment among patients receiving CRRT.
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Affiliation(s)
- Kyung Don Yoo
- Division of Nephrology, Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea
| | - Junhyug Noh
- Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - Wonho Bae
- University of British Columbia, Vancouver, Canada
| | - Jung Nam An
- Division of Nephrology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang, Republic of Korea
| | - Hyung Jung Oh
- Division of Nephrology, Department of Internal Medicine, Sheikh Khalifa Specialty Hospital, Ra's al Khaimah, United Arab Emirates
| | - Harin Rhee
- Division of Nephrology, Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Eun Young Seong
- Division of Nephrology, Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Seon Ha Baek
- Division of Nephrology, Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea
| | - Shin Young Ahn
- Division of Nephrology, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - Jang-Hee Cho
- Division of Nephrology, Department of Internal Medicine, Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Dong Ki Kim
- Division of Nephrology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Kidney Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Dong-Ryeol Ryu
- Division of Nephrology, Department of Internal Medicine, School of Medicine, Ehwa Womans University, Seoul, Republic of Korea
| | - Sejoong Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Division of Nephrology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Center for Artificial Intelligence in Healthcare, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Chun Soo Lim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Kidney Research Institute, Seoul National University College of Medicine, Seoul, Korea
- Division of Nephrology, Department of Internal Medicine, Seoul National University Boramae Medical Center, 20 Boramae-Ro 5-Gil, Dongjak-gu, Seoul, 156-707, Republic of Korea
| | - Jung Pyo Lee
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
- Kidney Research Institute, Seoul National University College of Medicine, Seoul, Korea.
- Division of Nephrology, Department of Internal Medicine, Seoul National University Boramae Medical Center, 20 Boramae-Ro 5-Gil, Dongjak-gu, Seoul, 156-707, Republic of Korea.
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Samoni S, Husain-Syed F, Villa G, Ronco C. Continuous Renal Replacement Therapy in the Critically Ill Patient: From Garage Technology to Artificial Intelligence. J Clin Med 2021; 11:172. [PMID: 35011913 PMCID: PMC8745413 DOI: 10.3390/jcm11010172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 12/24/2021] [Accepted: 12/26/2021] [Indexed: 11/17/2022] Open
Abstract
The history of continuous renal replacement therapy (CRRT) is marked by technological advances linked to improvements in the knowledge of the mechanisms and kinetics of extracorporeal removal of solutes, and the pathophysiology of acute kidney injury (AKI) and other critical illnesses. In the present article, we review the main steps in the history of CRRT, from the discovery of continuous arteriovenous hemofiltration to its evolution into the current treatments and its early use in the treatment of AKI, to the novel sequential extracorporeal therapy. Beyond the technological advances, we describe the development of new medical specialties and a shared nomenclature to support clinicians and researchers in the broad and still evolving field of CRRT.
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Affiliation(s)
- Sara Samoni
- Department of Nephrology and Dialysis, S. Anna Hospital, ASST Lariana, 22042 Como, Italy;
| | - Faeq Husain-Syed
- Department of Internal Medicine II, University Hospital Giessen and Marburg, Justus-Liebig-University Giessen, 35392 Giessen, Germany;
| | - Gianluca Villa
- Department of Health Sciences, Section of Anesthesiology, Intensive Care and Pain Medicine, University of Florence, 50134 Florence, Italy
| | - Claudio Ronco
- Department of Medicine (DIMED), University of Padova, 35121 Padova, Italy;
- Department of Nephrology, Dialysis and Transplantation, International Renal Research Institute of Vicenza (IRRIV), St. Bortolo Hospital, 36100 Vicenza, Italy
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Baldwin I, Mottes T. Acute kidney injury and continuous renal replacement therapy: A nursing perspective for my shift today in the intensive care unit. Semin Dial 2021; 34:518-529. [PMID: 34218451 DOI: 10.1111/sdi.12992] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 05/10/2021] [Indexed: 01/12/2023]
Abstract
Handover, clinical discussion, and care for patients in the Intensive Care Unit (ICU) require visual cues to a verbal "story" in an attempt to quickly understand the patient status. Continuous renal replacement therapy (CRRT) is often associated with sepsis or a toxic cause and "kidney attack" not apparent to the patient; "silent" with no pain, discomfort, or vital sign changes initially. Language, terminology, and definitions for this acute kidney injury (AKI) are a graded classification with guidelines. CRRT and dialysis techniques use the physiological principles of diffusion and or convection for solute removal providing a replacement for the basic kidney functions to sustain life until function returns. When to stop CRRT is based on clinical assessment of the patient overall status and urine production re-starting. The medical treatment is focused on the key interventions of resuscitation, remove the cause, support with CRRT or dialysis and monitor for recovery of function. CRRT requires a multidisciplinary team and quality process, local policies, education, and competency pathways to promote best outcomes and efficacy.
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Affiliation(s)
- Ian Baldwin
- Department of Intensive Care, Austin Hospital, Melbourne, Australia
| | - Theresa Mottes
- Ann and Robert Lurie Children's Hospital, Chicago, IL, USA
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Abstract
PURPOSE OF REVIEW The consideration of acute kidney injury, its incidence and its impact on the outcome of patients has grown continuously in recent years, leading to an increase in the use of renal replacement therapy (RRT) techniques. However, the successful conduct of RRT depends on the effectiveness of the entire team, doctors and nurses. It is therefore important to know the essential elements to be implemented in the ICU to ensure optimal RRT. RECENT FINDINGS Recent studies show that the successful conduct of a RRT session requires a good knowledge of the principles of the technique, regular basic training, identification of experts, drafting clear and well followed protocols and good communication between the various stakeholders. In addition, the use of the latest advances, such as regional citrate anticoagulation, allows further optimization of therapy, only if, again, both physicians and nurses are properly trained and highly involved. SUMMARY We now have a better understanding of the measures to be deployed to optimize RRT. Organization, training, evaluation and protocols are the key points of the team's efficiency for a safe and effective implementation of RRT.
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Artificial Liver and Renal Support System for Cynomolgus Monkeys with Surgery-Induced Acute Renal Failure: A Preclinical Study. BIOMED RESEARCH INTERNATIONAL 2018; 2018:7456898. [PMID: 29992160 PMCID: PMC5994316 DOI: 10.1155/2018/7456898] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 04/23/2018] [Indexed: 01/09/2023]
Abstract
Renal dysfunction is one of the most common complications of liver cirrhosis and is associated with increased morbidity and mortality. However, no available technology can simultaneously support liver and renal function in these patients. The aim of this study was to evaluate the safety and efficacy of an artificial liver and renal support system in cynomolgus monkeys with surgery-induced ARF. The ARF model was established by ligature of bilateral renal arteries in eight cynomolgus monkeys, which were randomly divided into a treatment group (n = 4) and control group (n = 4). Biochemical indexes were determined before and after surgery. Blood endotoxin levels, biochemical indexes, and bacterial cultures were assessed at 0, 3, and 6 h during treatment. System pressures and vital signs were recorded at 1 h intervals. Pathological examination was performed after death. ARF was successfully established, based on significant elevation of biochemical indexes and pathological examination. The treatment group had significantly reduced biochemical indexes relative to the control group. Measurement of blood endotoxins and aerobic and anaerobic bacteria cultures indicated no bacterial growth. The system pressures and vital signs were stable during treatment. The results indicate that our support system for the treatment of cynomolgus monkeys with surgery-induced acute renal failure is safe and effective.
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Abstract
In 1977 Peter Kramer performed the first CAVH (continuous arteriovenous hemofiltration) treatment in Gottingen, Germany. CAVH soon became a reliable alternative to hemo- or peritoneal dialysis in critically ill patients. The limitations of CAVH spurred new research and the discovery of new treatments such as CVVH and CVVHD (continuous veno-venous hemofiltration and continuous veno-venous hemodialysis). The alliance with industry led to development of new specialized equipment with improved accuracy and performance in delivering continuous renal replacement therapies (CRRTs). Machines and filters have progressively undergone a series of technological steps, reaching a high level of sophistication. The evolution of technology has continued, leading to the development and clinical application of new membranes, new techniques and new treatment modalities. With the progress of technology, the entire field of critical care nephrology moved forward, expanding the areas of application of extracorporeal therapies to cardiac, liver and pulmonary support. A great deal of research made extracorporeal therapies an interesting option for the treatment of sepsis and intoxication and the additional use of sorbents was explored. With the progress in understanding the pathophysiology of acute kidney injury (AKI), new guidelines were developed, driving indications, modalities of prescription, monitoring techniques and quality assurance programs. Information technology and precision medicine have recently contributed to further evolution of CRRT, with the possibility of collecting data in large databases and evaluating policies and practice patterns. This is likely to ultimately result in improved patient care. CRRTs are 40 years old today, but they are still young and full of potential for further evolution.
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Clark WR, Neri M, Garzotto F, Ricci Z, Goldstein SL, Ding X, Xu J, Ronco C. The future of critical care: renal support in 2027. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2017; 21:92. [PMID: 28395664 PMCID: PMC5387317 DOI: 10.1186/s13054-017-1665-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Since its inception four decades ago, both the clinical and technologic aspects of continuous renal replacement therapy (CRRT) have evolved substantially. Devices now specifically designed for critically ill patients with acute kidney injury are widely available and the clinical challenges associated with treating this complex patient population continue to be addressed. However, several important questions remain unanswered, leaving doubts in the minds of many clinicians about therapy prescription/delivery and patient management. Specifically, questions surrounding therapy dosing, timing of initiation and termination, fluid management, anticoagulation, drug dosing, and data analytics may lead to inconsistent delivery of CRRT and even reluctance to prescribe it. In this review, we discuss current limitations of CRRT and potential solutions over the next decade from both a patient management and a technology perspective. We also address the issue of sustainability for CRRT and related therapies beyond 2027 and raise several points for consideration.
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Affiliation(s)
- William R Clark
- School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive; FRNY 1051, West Lafayette, IN, 47907, USA.
| | - Mauro Neri
- International Renal Research Institute of Vicenza (IRRIV), San Bortolo Hospital, Vicenza, Italy
| | - Francesco Garzotto
- International Renal Research Institute of Vicenza (IRRIV), San Bortolo Hospital, Vicenza, Italy
| | - Zaccaria Ricci
- Department of Cardiology and Cardiac Surgery, Pediatric Cardiac Intensive Care Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Stuart L Goldstein
- Center for Acute Care Nephrology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Xiaoqiang Ding
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Institute of Kidney Disease and Dialysis, Shanghai Quality Control Center for Dialysis, Shanghai, China
| | - Jiarui Xu
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Institute of Kidney Disease and Dialysis, Shanghai Quality Control Center for Dialysis, Shanghai, China
| | - Claudio Ronco
- International Renal Research Institute of Vicenza (IRRIV), San Bortolo Hospital, Vicenza, Italy.,Department of Nephrology, San Bortolo Hospital, Vicenza, Italy
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