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Liu S, Zou C, Ding L, Hu B, Zheng Y. Detection strip of anti-NGAL antibody coupled with fluorescent microspheres-A novel tool for reliable and accurate prediction of renal injury. Clin Chim Acta 2024; 562:119874. [PMID: 39038591 DOI: 10.1016/j.cca.2024.119874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 07/09/2024] [Accepted: 07/12/2024] [Indexed: 07/24/2024]
Abstract
OBJECTIVE Neutrophil gelatinase-associated lipocalin (NGAL) has been identified by the International Nephrology Association (INA) as a promising biomarker for the early evaluation of renal injury. This study aimed to develop and evaluate NGAL test strips as a rapid, simple, and economical method for the early diagnosis of acute kidney injury (AKI). METHODS Recombinant prokaryotic expression vectors, purified NGAL protein, and anti-NGAL monoclonal antibodies were prepared. NGAL test strips were developed, and serum samples were collected from healthy individuals and patients with early-stage kidney injury at the Third Affiliated Hospital of Sun Yat-sen University between January 2023 and May 2024. Samples were tested using both the self-made strips and commercially available reagents. RESULTS The NGAL test strip comprised a conjugate pad containing 0.2 μL of fluorescent microspheres conjugated with anti-NGAL monoclonal antibody (McAb7#), a test line containing 1 mg/mL of a different anti-NGAL monoclonal antibody (McAb3#), and a control line containing 0.5 mg/mL of goat anti-mouse IgG. The test utilized 60 μL of sample (30 μL serum diluted with 30 μL of sample diluent) and was completed within 15 min at 25 °C and 35 %-85 % relative humidity. The developed strip accurately detected NGAL, demonstrating good linearity within the range of 0-160 ng/mL (R2 = 0.9943). The sensitivity and specificity of the NGAL strip for AKI diagnosis were 86.1 % and 78.8 %, respectively, comparable to the performance of commercially available testing reagents. CONCLUSION The developed test strip, utilizing anti-NGAL antibodies coupled with fluorescent microspheres, effectively detected trace amounts of NGAL protein in serum samples.
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Affiliation(s)
- Sheng Liu
- Department of Laboratory Medicine, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, PR China
| | - Chen Zou
- Central Laboratory, Shenzhen Guangming District People's Hospital, Shenzhen 518016, PR China
| | - Lu Ding
- Department of Laboratory Medicine, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, PR China
| | - Bo Hu
- Department of Laboratory Medicine, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, PR China.
| | - Yi Zheng
- Central Laboratory, Shenzhen Guangming District People's Hospital, Shenzhen 518016, PR China.
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2
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Rossiter A, La A, Koyner JL, Forni LG. New biomarkers in acute kidney injury. Crit Rev Clin Lab Sci 2024; 61:23-44. [PMID: 37668397 DOI: 10.1080/10408363.2023.2242481] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 05/14/2023] [Accepted: 07/26/2023] [Indexed: 09/06/2023]
Abstract
Acute kidney injury (AKI) is a commonly encountered clinical syndrome. Although it often complicates community acquired illness, it is more common in hospitalized patients, particularly those who are critically ill or who have undergone major surgery. Approximately 20% of hospitalized adult patients develop an AKI during their hospital care, and this rises to nearly 60% in the critically ill, depending on the population being considered. In general, AKI is more common in older adults, in those with preexisting chronic kidney disease and in those with known risk factors for AKI (including diabetes and hypertension). The development of AKI is associated with an increase in both mortality and morbidity, including the development of post-AKI chronic kidney disease. Currently, AKI is defined by a rise in serum creatinine from either a known or derived baseline value and/or oliguria or anuria. However, clinicians may fail to recognize the initial development of AKI because of a delay in the rise of serum creatinine or because of inaccurate urine output monitoring. This, in turn, delays any putative measures to treat AKI or to limit its degree. Consequently, efforts have focused on new biomarkers associated with AKI that may allow early recognition of this syndrome with the intent that this will translate into improved patient outcomes. Here we outline current biomarkers associated with AKI and explore their potential in aiding diagnosis, understanding the pathophysiology and directing therapy.
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Affiliation(s)
- Adam Rossiter
- Critical Care Unit, Royal Surrey Hospital, Guildford, Surry, UK
| | - Ashley La
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Jay L Koyner
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Lui G Forni
- Critical Care Unit, Royal Surrey Hospital, Guildford, Surry, UK
- School of Medicine, Department of Clinical & Experimental Medicine, Faculty of Health Sciences, University of Surrey, Surry, UK
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3
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Romejko K, Markowska M, Niemczyk S. The Review of Current Knowledge on Neutrophil Gelatinase-Associated Lipocalin (NGAL). Int J Mol Sci 2023; 24:10470. [PMID: 37445650 DOI: 10.3390/ijms241310470] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/15/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Neutrophil gelatinase-associated lipocalin (NGAL) is a 25-kDa protein that is secreted mostly by immune cells such as neutrophils, macrophages, and dendritic cells. Its production is stimulated in response to inflammation. The concentrations of NGAL can be measured in plasma, urine, and biological fluids such as peritoneal effluent. NGAL is known mainly as a biomarker of acute kidney injury and is released after tubular damage and during renal regeneration processes. NGAL is also elevated in chronic kidney disease and dialysis patients. It may play a role as a predictor of the progression of renal function decreases with complications and mortality due to kidney failure. NGAL is also useful in the diagnostic processes of cardiovascular diseases. It is highly expressed in injured heart tissue and atherosclerostic plaque; its serum concentrations correlate with the severity of heart failure and coronary artery disease. NGAL increases inflammatory states and its levels rise in arterial hypertension, obesity, diabetes, and metabolic complications such as insulin resistance, and is also involved in carcinogenesis. In this review, we present the current knowledge on NGAL and its involvement in different pathologies, especially its role in renal and cardiovascular diseases.
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Affiliation(s)
- Katarzyna Romejko
- Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine-National Research Institute, 128 Szaserów Street, 04-141 Warsaw, Poland
| | - Magdalena Markowska
- Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine-National Research Institute, 128 Szaserów Street, 04-141 Warsaw, Poland
| | - Stanisław Niemczyk
- Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine-National Research Institute, 128 Szaserów Street, 04-141 Warsaw, Poland
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4
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Štěpánková K, Mareková D, Kubášová K, Sedláček R, Turnovcová K, Vacková I, Kubinová Š, Makovický P, Petrovičová M, Kwok JCF, Jendelová P, Machová Urdzíková L. 4-Methylumbeliferone Treatment at a Dose of 1.2 g/kg/Day Is Safe for Long-Term Usage in Rats. Int J Mol Sci 2023; 24:3799. [PMID: 36835210 PMCID: PMC9959083 DOI: 10.3390/ijms24043799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/06/2023] [Accepted: 02/09/2023] [Indexed: 02/17/2023] Open
Abstract
4-methylumbelliferone (4MU) has been suggested as a potential therapeutic agent for a wide range of neurological diseases. The current study aimed to evaluate the physiological changes and potential side effects after 10 weeks of 4MU treatment at a dose of 1.2 g/kg/day in healthy rats, and after 2 months of a wash-out period. Our findings revealed downregulation of hyaluronan (HA) and chondroitin sulphate proteoglycans throughout the body, significantly increased bile acids in blood samples in weeks 4 and 7 of the 4MU treatment, as well as increased blood sugars and proteins a few weeks after 4MU administration, and significantly increased interleukins IL10, IL12p70 and IFN gamma after 10 weeks of 4MU treatment. These effects, however, were reversed and no significant difference was observed between control treated and 4MU-treated animals after a 9-week wash-out period.
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Affiliation(s)
- Kateřina Štěpánková
- Institute of Experimental Medicine, Czech Academy of Sciences, 14220 Prague, Czech Republic
- Department of Neuroscience, Second Faculty of Medicine, Charles University, 15006 Prague, Czech Republic
| | - Dana Mareková
- Institute of Experimental Medicine, Czech Academy of Sciences, 14220 Prague, Czech Republic
- Department of Neuroscience, Second Faculty of Medicine, Charles University, 15006 Prague, Czech Republic
| | - Kristýna Kubášová
- Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, Czech Technical University in Prague, 16000 Prague, Czech Republic
| | - Radek Sedláček
- Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, Czech Technical University in Prague, 16000 Prague, Czech Republic
| | - Karolína Turnovcová
- Institute of Experimental Medicine, Czech Academy of Sciences, 14220 Prague, Czech Republic
| | - Irena Vacková
- Institute of Experimental Medicine, Czech Academy of Sciences, 14220 Prague, Czech Republic
- Institute of Physiology, Czech Academy of Sciences, 14220 Prague, Czech Republic
| | - Šárka Kubinová
- Institute of Experimental Medicine, Czech Academy of Sciences, 14220 Prague, Czech Republic
- Institute of Physics, Czech Academy of Sciences, 18221 Prague, Czech Republic
| | - Pavol Makovický
- Department of Biology, Faculty of Education, J. Seyle University, SK-94501 Komarno, Slovakia
| | - Michaela Petrovičová
- Institute of Experimental Medicine, Czech Academy of Sciences, 14220 Prague, Czech Republic
| | - Jessica C. F. Kwok
- Institute of Experimental Medicine, Czech Academy of Sciences, 14220 Prague, Czech Republic
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Pavla Jendelová
- Institute of Experimental Medicine, Czech Academy of Sciences, 14220 Prague, Czech Republic
- Department of Neuroscience, Second Faculty of Medicine, Charles University, 15006 Prague, Czech Republic
| | - Lucia Machová Urdzíková
- Institute of Experimental Medicine, Czech Academy of Sciences, 14220 Prague, Czech Republic
- Department of Neuroscience, Second Faculty of Medicine, Charles University, 15006 Prague, Czech Republic
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Pan HC, Yang SY, Chiou TTY, Shiao CC, Wu CH, Huang CT, Wang TJ, Chen JY, Liao HW, Chen SY, Huang TM, Yang YF, Lin HYH, Chan MJ, Sun CY, Chen YT, Chen YC, Wu VC. Comparative accuracy of biomarkers for the prediction of hospital-acquired acute kidney injury: a systematic review and meta-analysis. Crit Care 2022; 26:349. [PMID: 36371256 PMCID: PMC9652605 DOI: 10.1186/s13054-022-04223-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/28/2022] [Indexed: 11/13/2022] Open
Abstract
Background Several biomarkers have been proposed to predict the occurrence of acute kidney injury (AKI); however, their efficacy varies between different trials. The aim of this study was to compare the predictive performance of different candidate biomarkers for AKI. Methods In this systematic review, we searched PubMed, Medline, Embase, and the Cochrane Library for papers published up to August 15, 2022. We selected all studies of adults (> 18 years) that reported the predictive performance of damage biomarkers (neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1), liver-type fatty acid-binding protein (L-FABP)), inflammatory biomarker (interleukin-18 (IL-18)), and stress biomarker (tissue inhibitor of metalloproteinases-2 × insulin-like growth factor-binding protein-7 (TIMP-2 × IGFBP-7)) for the occurrence of AKI. We performed pairwise meta-analyses to calculate odds ratios (ORs) and 95% confidence intervals (CIs) individually. Hierarchical summary receiver operating characteristic curves (HSROCs) were used to summarize the pooled test performance, and the Grading of Recommendations, Assessment, Development and Evaluations criteria were used to appraise the quality of evidence. Results We identified 242 published relevant studies from 1,803 screened abstracts, of which 110 studies with 38,725 patients were included in this meta-analysis. Urinary NGAL/creatinine (diagnostic odds ratio [DOR] 16.2, 95% CI 10.1–25.9), urinary NGAL (DOR 13.8, 95% CI 10.2–18.8), and serum NGAL (DOR 12.6, 95% CI 9.3–17.3) had the best diagnostic accuracy for the risk of AKI. In subgroup analyses, urinary NGAL, urinary NGAL/creatinine, and serum NGAL had better diagnostic accuracy for AKI than urinary IL-18 in non-critically ill patients. However, all of the biomarkers had similar diagnostic accuracy in critically ill patients. In the setting of medical and non-sepsis patients, urinary NGAL had better predictive performance than urinary IL-18, urinary L-FABP, and urinary TIMP-2 × IGFBP-7: 0.3. In the surgical patients, urinary NGAL/creatinine and urinary KIM-1 had the best diagnostic accuracy. The HSROC values of urinary NGAL/creatinine, urinary NGAL, and serum NGAL were 91.4%, 85.2%, and 84.7%, respectively. Conclusions Biomarkers containing NGAL had the best predictive accuracy for the occurrence of AKI, regardless of whether or not the values were adjusted by urinary creatinine, and especially in medically treated patients. However, the predictive performance of urinary NGAL was limited in surgical patients, and urinary NGAL/creatinine seemed to be the most accurate biomarkers in these patients. All of the biomarkers had similar predictive performance in critically ill patients. Trial registrationCRD42020207883, October 06, 2020. Supplementary Information The online version contains supplementary material available at 10.1186/s13054-022-04223-6.
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6
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Katz-Greenberg G, Malinchoc M, Broyles DL, Oxman D, Hamrahian SM, Maarouf OH. Urinary Neutrophil Gelatinase-Associated Lipocalin Predicts Intensive Care Unit Admission Diagnosis: A Prospective Cohort Study. KIDNEY360 2022; 3:1502-1510. [PMID: 36245663 PMCID: PMC9528386 DOI: 10.34067/kid.0001492022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 07/13/2022] [Indexed: 05/28/2023]
Abstract
BACKGROUND Acute kidney injury (AKI) is most commonly caused by tubular injury and is associated with a wide variety of critical illnesses. It is well known that urinary biomarkers can lead to the early identification of AKI. However, the ability of urinary biomarkers to distinguish between different types of critical illness has been less studied. METHODS In this prospective cohort study, urinary neutrophil gelatinase-associated lipocalin (uNGAL) was measured in 107 patients consecutively admitted to the ICUs in our tertiary medical center. uNGAL samples were collected within 3-6 hours of admission to an ICU and measured by ELISA. All data were analyzed using R statistical software, and univariate analysis was used to determine the correlations of uNGAL levels with AKI stage, admission diagnoses, and ICU course. RESULTS uNGAL level increased by a mean of 24-fold (SD 10-59) in ICU patients with AKI and demonstrated a significant correlation with the different AKI stages. uNGAL predicted the need for RRT, with values increased by more than 15-fold (P<0.05) in patients needing RRT, and remained a useful tool to predict AKI in ICU patients with a urinary tract infection. uNGAL level was correlated with certain ICU admitting diagnoses whereby uNGAL levels were lower in ICU patients with cardiogenic shock compared with other admission diagnoses (β=-1.92, P<0.05). CONCLUSIONS uNGAL can be used as an early predictor of AKI and its severity in patients admitted to the ICU, including the need for RRT. uNGAL may also help in distinguishing patients with cardiogenic shock from those with other critical illnesses and identifying those at risk for poor outcomes irrespective of the presence of AKI.
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Affiliation(s)
- Goni Katz-Greenberg
- Division of Nephrology, Department of Medicine, Duke University Medical Center, Durham, North Carolina
- Renal Division, Thomas Jefferson University Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania
| | | | | | - David Oxman
- Pulmonary Division, Thomas Jefferson University Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Seyed M. Hamrahian
- Renal Division, Thomas Jefferson University Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Omar H. Maarouf
- Renal Division, Thomas Jefferson University Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania
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7
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Prerenal kidney damage in patients with local cold injury. ACTA BIOMEDICA SCIENTIFICA 2022. [DOI: 10.29413/abs.2022-7.4.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Introduction. Important links in the pathogenesis of cold alterations are vascular damage and powerful systemic alterations. The presence of premorbid pathology and the duration of the wound process negatively affects to the function of most organs and systems, including the kidneys. Renal insufficiency in patients with frostbite develops in the acute period of cold damage. This is indicated by a decrease in the amount of urine and an increase in creatinine levels in victims with frostbite. In this regard, the identification and analysis of the dynamics of new markers of renal dysfunction in patients with frostbite is promising both from a scientific and practical point of view.The aim. To investigate the dynamics of changes in serum creatinine, NGAL and cystatin C levels in patients with local cold trauma.Materials and methods. The study included 60 patients with frostbite of the III–IV degree of distal limb segments. The study was carried out depending on the volume of the lesion and the timing from the moment of cryoalteration.The results of the study. In patients with grade III–IV frostbite, an increase in the level of lipocalin and serum creatinine was detected in the blood. The concentration of lipocalin and serum creatinine is directly proportional to the volume of cold-affected tissues. Indicators of lipocalin and serum creatinine decrease in the late stages of cryopreservation. The level of cystatin C significantly decreases during all periods of frostbite; the concentration of the latter does not depend on the severity of cryopreservation.
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8
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Cottam D, Azzopardi G, Forni LG. Biomarkers for early detection and predicting outcomes in acute kidney injury. Br J Hosp Med (Lond) 2022; 83:1-11. [DOI: 10.12968/hmed.2022.0032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The current diagnosis of acute kidney injury relies on the measurement of serum creatinine levels and urine output. However, both measures are subject to considerable limitations; for example, change in serum creatinine levels ideally requires a knowledge of baseline function that is often not available. Furthermore, creatinine levels are influenced by many factors including diet, drug therapy, muscle mass, gender and ethnicity, which may lead to underestimation of the extent of renal dysfunction. Similarly, urine output lacks both specificity and sensitivity as a marker of acute kidney injury given that oliguria may be an appropriate physiological response to a multitude of stressors and that output may be maintained until significant renal damage has already occurred. Given the well-documented consequences of acute kidney injury and the considerable burden associated with its development, much attention has focused on early identification of patients at high risk to try and improve outcomes. Many studies have focused on the identification of candidate molecules that may enable the early detection of individuals at risk of developing acute kidney injury, including constitutive proteins associated with kidney damage, as well as molecules upregulated in response to injury, non-renal products that may be filtered, reabsorbed or secreted by the kidney, and markers of renal stress. Such biomarkers may also aid stratification for adverse events, such as the need for kidney replacement therapy or progression to chronic kidney disease and end-stage kidney disease. This article discusses some of these novel biomarkers and assesses the role they may have in the understanding, management, diagnosis and prognostication of acute kidney injury.
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Affiliation(s)
- Daniel Cottam
- Intensive Care Unit, Royal Surrey Hospital Foundation Trust, Guildford, UK
| | - Giada Azzopardi
- South West Thames Renal and Transplantation Unit, Epsom and St Helier University Hospitals, Carshalton, UK
| | - Lui G Forni
- Intensive Care Unit, Royal Surrey Hospital Foundation Trust, Guildford, UK
- Department of Clinical and Experimental Medicine, Faculty of Health Sciences, University of Surrey, Guildford, UK
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9
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Zidan MMOM, Osman HA, Gafour SE, El Tahan DA. Goal-directed fluid therapy versus restrictive fluid therapy: A cardiomerty study during one-lung ventilation in patients undergoing thoracic surgery. EGYPTIAN JOURNAL OF ANAESTHESIA 2021. [DOI: 10.1080/11101849.2021.2013654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
| | - Hassan Aly Osman
- Anaesthesia and Surgical Intensive Care, Alexandria Faculty of Medicine, Alexandria, Egypt
| | - Sania Elsayed Gafour
- Anaesthesia and Surgical Intensive Care, Alexandria Faculty of Medicine, Alexandria, Egypt
| | - Dina Abbas El Tahan
- Anaesthesia and Surgical Intensive Care, Alexandria Faculty of Medicine, Alexandria, Egypt
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10
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Trepatchayakorn S, Sakunpunphuk M, Samransamruajkit R. Balanced Salt Solution Versus Normal Saline in Resuscitation of Pediatric Sepsis: A Randomized, Controlled Trial. Indian J Pediatr 2021; 88:921-924. [PMID: 34110580 PMCID: PMC8189839 DOI: 10.1007/s12098-021-03808-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 05/10/2021] [Indexed: 11/27/2022]
Abstract
Current evidences in resuscitation of adult sepsis have pointed to the importance of types of crystalloid fluid-related complications on resuscitation outcomes, but evidences are lacking in pediatric populations. In this study, the authors aimed to compare outcomes of pediatric sepsis resuscitation with different types of crystalloid. They randomly assigned pediatric sepsis patients requiring fluid bolus into three groups to receive either normal saline solution (NSS), Ringer lactate solution (RLS), or Sterofundin as fluid bolus therapy. Forty-two patients were included in the study. Median age was 29 mo and, weight 13 kg. After fluid bolus, the complications were not different among groups. However, in the RLS group, the patients who received large dose of the fluid showed significant reduction in urinary neutrophil gelatinase-associated lipocalin (uNGAL) level. It is concluded that fluid bolus therapy with different types of crystalloid solution did not result in different outcomes but large dose of RLS was associated with greater reduction of uNGAL level, compared to other fluids.Trial Registration: Thai Clinical Trial Registry (TCTR) identification number TCTR20170605001 (retrospectively registered on 1st June 2017). https://www.clinicaltrials.in.th/index.php?tp=regtrials&menu=trialsearch&smenu=fulltext&task20=search&task2=view1&id=2576.
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Affiliation(s)
- Sirawut Trepatchayakorn
- Division of Pediatric Critical Care, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, 1873 Rama IV Rd, Pathum Wan, Bangkok, 10330, Thailand.
| | - Manee Sakunpunphuk
- Department of Nursing, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Rujipat Samransamruajkit
- Division of Pediatric Critical Care, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, 1873 Rama IV Rd, Pathum Wan, Bangkok, 10330, Thailand
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11
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Evaluating Neutrophil Gelatinase-Associated Lipocalin as an Early Marker of Acute Kidney Injury in Critically Ill Patients. Nephrourol Mon 2021. [DOI: 10.5812/numonthly.96351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background: Detecting significant renal injury in an accurate and timely manner in acute kidney injury (AKI) patients who are critically ill remains controversial. Serum creatinine (Cr) is an important marker of kidney function in clinical practice, and its limitations are well known. Objectives: This study aimed to evaluate neutrophil gelatinase-associated lipocalin (NGAL) as a marker of the early development of AKI in critically ill AKI patients. Methods: This prospective study was carried out at JSS Hospital, Mysuru, India. The diagnosis and staging of AKI was done according to the RIFLE criteria. Results: A total of 53 critically ill patients were enrolled in this study. During Intensive Care Unit (ICU) stay, 34 (64.2%) patients developed AKI according to RIFLE criteria. Serum NGAL levels assessed on admission were an appropriate predictor of AKI com-pared to serum Cr. Serum NGAL levels also showed a significant elevation among AKI patients than non-AKI cases. The mean levels for AKI patients at 0, 4, and 8 hours were 870.53, 1074.9, and 1090, respectively. Meanwhile, the mean levels for non-AKI patients at 0, 4, and 8 hours were 337, 307, and 292. Conclusions: Measuring serum NGAL on admission is useful in the early diagnosis of AKI com-pared to serum Cr.
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12
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Lee HA, Seo YS. Current knowledge about biomarkers of acute kidney injury in liver cirrhosis. Clin Mol Hepatol 2021; 28:31-46. [PMID: 34333958 PMCID: PMC8755473 DOI: 10.3350/cmh.2021.0148] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 07/28/2021] [Indexed: 11/05/2022] Open
Abstract
Acute kidney injury (AKI) is common in advanced cirrhosis. Prerenal azotemia, hepatorenal syndrome, and acute tubular necrosis are the main causes of AKI in patients with cirrhosis. Evaluation of renal function and differentiation between functional and structural kidney injury are important issues in the management of cirrhosis. However, AKI in cirrhosis exists as a complex clinical spectrum rather than concrete clinical entity. Based on current evidence, changes in serum creatinine (Cr) levels remain the most appropriate standard for defining AKI in cirrhosis. However, serum Cr has a limited role in assessing renal function in this population. This review examines previous studies that investigated the ability of recent biomarkers for AKI in cirrhosis from the perspective of earlier and accurate diagnosis, classification of AKI phenotype, and prediction of clinical outcomes. Serum cystatin C and urine neutrophil gelatinase-associated lipocalin have been extensively studied in cirrhosis, and have facilitated improved diagnosis and prognosis prediction in patients with AKI. In addition, urine N-acetyl-β-D-glucosaminidase, interleukin 18, and kidney injury molecule 1 are other promising biomarkers for advanced cirrhosis. However, the clinical significance of these markers remains unclear because there are no cut-off values defining the normal range and differentiating phenotypes of AKI. In addition, AKI has been defined in terms of serum Cr, and renal biopsy-the gold standard-has not been carried out in most studies. Further discovery of innovate biomarkers and incorporation of various markers could improve the diagnosis and prognosis prediction of AKI, and will translate into meaningful improvements in patient outcomes.
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Affiliation(s)
- Han Ah Lee
- Departments of Internal Medicine, Korea University College of Medicine, Seoul, Korea.,Department of Internal Medicine, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea
| | - Yeon Seok Seo
- Departments of Internal Medicine, Korea University College of Medicine, Seoul, Korea
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13
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Kellum JA, Romagnani P, Ashuntantang G, Ronco C, Zarbock A, Anders HJ. Acute kidney injury. Nat Rev Dis Primers 2021; 7:52. [PMID: 34267223 DOI: 10.1038/s41572-021-00284-z] [Citation(s) in RCA: 495] [Impact Index Per Article: 165.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/09/2021] [Indexed: 02/06/2023]
Abstract
Acute kidney injury (AKI) is defined by a sudden loss of excretory kidney function. AKI is part of a range of conditions summarized as acute kidney diseases and disorders (AKD), in which slow deterioration of kidney function or persistent kidney dysfunction is associated with an irreversible loss of kidney cells and nephrons, which can lead to chronic kidney disease (CKD). New biomarkers to identify injury before function loss await clinical implementation. AKI and AKD are a global concern. In low-income and middle-income countries, infections and hypovolaemic shock are the predominant causes of AKI. In high-income countries, AKI mostly occurs in elderly patients who are in hospital, and is related to sepsis, drugs or invasive procedures. Infection and trauma-related AKI and AKD are frequent in all regions. The large spectrum of AKI implies diverse pathophysiological mechanisms. AKI management in critical care settings is challenging, including appropriate volume control, nephrotoxic drug management, and the timing and type of kidney support. Fluid and electrolyte management are essential. As AKI can be lethal, kidney replacement therapy is frequently required. AKI has a poor prognosis in critically ill patients. Long-term consequences of AKI and AKD include CKD and cardiovascular morbidity. Thus, prevention and early detection of AKI are essential.
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Affiliation(s)
- John A Kellum
- Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Paola Romagnani
- Nephrology and Dialysis Unit, Meyer Children's University Hospital, Florence, Italy
| | - Gloria Ashuntantang
- Faculty of Medicine and Biomedical Sciences, Yaounde General Hospital, University of Yaounde, Yaounde, Cameroon
| | - Claudio Ronco
- Department of Medicine, University of Padova, Padua, Italy.,Department of Nephrology, Dialysis and Kidney Transplant, International Renal Research Institute, San Bortolo Hospital, Vicenza, Italy
| | - Alexander Zarbock
- Department of Anaesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Hans-Joachim Anders
- Division of Nephrology, Department of Medicine IV, LMU University Hospital, LMU Munich, Munich, Germany.
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14
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Minami S, Doi T, Abe T, Takeuchi I. Neutrophil gelatinase-associated lipocalin as a biomarker for short-term outcomes among trauma patients: A single-center observational study. PLoS One 2021; 16:e0251319. [PMID: 33970961 PMCID: PMC8109818 DOI: 10.1371/journal.pone.0251319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 04/24/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Urinary biomarkers for organ dysfunction could predict the outcomes of severe trauma patients. However, the use of neutrophil gelatinase-associated lipocalin (NGAL) as a biomarker of trauma is not well studied. OBJECTIVES To evaluate the association between the short-term prognosis of trauma patients and NGAL levels. METHODS We conducted a single center study and compared predictive performances between NGAL levels and the trauma severity. RESULTS A total of 104 patients were included in the study. Patients were divided into two groups based on ISS score of 16. There was no significant difference in patient characteristics based on trauma severity. However, the lactate level was significantly higher in the more severe group. There was a significant association between urinary NGAL levels and trauma severity indicators, such as intensive care unit stay (ICU) (p = 0.005) and emergency care unit (ECU) stay (p = 0.049). In addition, receiver operating curve analysis showed that as a predictor, NGAL could be used for detecting severity with moderate precision, especially for short-term outcomes (specificity 70.6 for ICU and 69.0 for ECU stay). CONCLUSION In this study, we revealed that the level of NGAL could predict the degree of invasiveness in trauma patients with moderate precision and estimate the duration of treatment during the acute phase. It is necessary to examine the validity of the findings of this study using a prospective, cohort, and multi-center collaborative study design.
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Affiliation(s)
- Sakura Minami
- Department of Emergency Medicine, Yokosuka Kyosai Hospital, Yokosuka, Japan
- Department of Intensive Care Medicine, Kanagawa Children’s Medical Center, Yokohama, Japan
- Department of Emergency Medicine, Yokohama City University School of Medicine, Yokohama, Japan
- * E-mail:
| | - Tomoki Doi
- Department of Emergency Medicine, Yokosuka Kyosai Hospital, Yokosuka, Japan
- Department of Emergency Medicine, Yokohama City University School of Medicine, Yokohama, Japan
| | - Takeru Abe
- Department of Emergency Medicine, Yokohama City University School of Medicine, Yokohama, Japan
| | - Ichiro Takeuchi
- Department of Emergency Medicine, Yokohama City University School of Medicine, Yokohama, Japan
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15
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Chen JJ, Lee TH, Lee CC, Chang CH. Using lipocalin as a prognostic biomarker in acute kidney injury. Expert Rev Mol Diagn 2021; 21:455-464. [PMID: 33874823 DOI: 10.1080/14737159.2021.1917384] [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] [Indexed: 02/07/2023]
Abstract
Introduction: Human lipocalin-2, known as neutrophil gelatinase-associated lipocalin (NGAL), is a widely studied biomarker of acute kidney injury (AKI).Areas covered: NGAL can serve as a predictor of AKI, disease progression, and mortality and can help in differentiating between AKI etiologies. We conducted a systematic review in the PubMed and Medline databases involving the clinical application of NGAL in patients with AKI.Expert opinion: In this review, we explored the usefulness of NGAL for AKI or clinical outcome prediction. The use of urine or blood NGAL levels alone or in combination with a clinical prediction model may facilitate AKI prediction, severity prediction, AKI etiological differentiation, and mortality prediction. For AKI prediction, urine and plasma NGAL levels have an area under the curve (AUC) ranging from 0.71 to 0.90 and from 0.71 to 0.89, respectively, in different populations. The diagnostic performance of NGAL alone for renal replacement therapy or successful discontinuation prediction is suboptimal (AUC range: 0.65-0.81). Sepsis limits the application of NGAL as a clinical predictor, and the prediction performance of NGAL is affected by baseline renal function, timing of sample collection, and underlying comorbidities. The lack of internationally approved reference material also limits the usefulness of NGAL.
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Affiliation(s)
- Jia-Jin Chen
- Department of Nephrology, Chang Gung Memorial Hospital, Taipei, Taiwan
| | - Tao-Han Lee
- Department of Nephrology, Chang Gung Memorial Hospital, Taipei, Taiwan
| | - Cheng-Chia Lee
- Department of Nephrology, Chang Gung Memorial Hospital, Taipei, Taiwan.,Department of Nephrology, Kidney Research Center, Chang Gung Memorial Hospital, Taipei, Taiwan
| | - Chih-Hsiang Chang
- Department of Nephrology, Chang Gung Memorial Hospital, Taipei, Taiwan.,Department of Nephrology, Kidney Research Center, Chang Gung Memorial Hospital, Taipei, Taiwan
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16
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Weber B, Lackner I, Braun CK, Kalbitz M, Huber-Lang M, Pressmar J. Laboratory Markers in the Management of Pediatric Polytrauma: Current Role and Areas of Future Research. Front Pediatr 2021; 9:622753. [PMID: 33816396 PMCID: PMC8010656 DOI: 10.3389/fped.2021.622753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 02/19/2021] [Indexed: 11/13/2022] Open
Abstract
Severe trauma is the most common cause of mortality in children and is associated with a high socioeconomic burden. The most frequently injured organs in children are the head and thorax, followed by the extremities and by abdominal injuries. The efficient and early assessment and management of these injuries is essential to improve patients' outcome. Physical examination as well as imaging techniques like ultrasound, X-ray and computer tomography are crucial for a valid early diagnosis. Furthermore, laboratory analyses constitute additional helpful tools for the detection and monitoring of pediatric injuries. Specific inflammatory markers correlate with post-traumatic complications, including the development of multiple organ failure. Other laboratory parameters, including lactate concentration, coagulation parameters and markers of organ injury, represent further clinical tools to identify trauma-induced disorders. In this review, we outline and evaluate specific biomarkers for inflammation, acid-base balance, blood coagulation and organ damage following pediatric polytrauma. The early use of relevant laboratory markers may assist decision making on imaging tools, thus contributing to minimize radiation-induced long-term consequences, while improving the outcome of children with multiple trauma.
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Affiliation(s)
- Birte Weber
- Department of Traumatology, Hand-, Plastic- and Reconstructive Surgery, Center of Surgery, University of Ulm, Ulm, Germany
| | - Ina Lackner
- Department of Traumatology, Hand-, Plastic- and Reconstructive Surgery, Center of Surgery, University of Ulm, Ulm, Germany
| | - Christian Karl Braun
- Institute of Clinical and Experimental Trauma-Immunology, University Hospital of Ulm, Ulm, Germany.,Department of Pediatrics, University Medical Center Ulm, Ulm, Germany
| | - Miriam Kalbitz
- Department of Traumatology, Hand-, Plastic- and Reconstructive Surgery, Center of Surgery, University of Ulm, Ulm, Germany
| | - Markus Huber-Lang
- Institute of Clinical and Experimental Trauma-Immunology, University Hospital of Ulm, Ulm, Germany
| | - Jochen Pressmar
- Department of Traumatology, Hand-, Plastic- and Reconstructive Surgery, Center of Surgery, University of Ulm, Ulm, Germany
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17
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Koyner JL, Zarbock A, Basu RK, Ronco C. The impact of biomarkers of acute kidney injury on individual patient care. Nephrol Dial Transplant 2020; 35:1295-1305. [PMID: 31725154 DOI: 10.1093/ndt/gfz188] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 08/10/2019] [Indexed: 12/20/2022] Open
Abstract
Acute kidney injury (AKI) remains a common clinical syndrome associated with increased morbidity and mortality. In the last several years there have been several advances in the identification of patients at increased risk for AKI through the use of traditional and newer functional and damage biomarkers of AKI. This article will specifically focus on the impact of biomarkers of AKI on individual patient care, focusing predominantly on the markers with the most expansive breadth of study in patients and reported literature evidence. Several studies have demonstrated that close monitoring of widely available biomarkers such as serum creatinine and urine output is strongly associated with improved patient outcomes. An integrated approach to these biomarkers used in context with patient risk factors (identifiable using electronic health record monitoring) and with tests of renal reserve may guide implementation and targeting of care bundles to optimize patient care. Besides traditional functional markers, biochemical injury biomarkers have been increasingly utilized in clinical trials both as a measure of kidney injury as well as a trigger to initiate other treatment options (e.g. care bundles and novel therapies). As the novel measures are becoming globally available, the clinical implementation of hospital-based real-time biomarker measurements involves a multidisciplinary approach. This literature review discusses the data evidence supporting both the strengths and limitations in the clinical implementation of biomarkers based on the authors' collective clinical experiences and opinions.
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Affiliation(s)
- Jay L Koyner
- Section of Nephrology, Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Alexander Zarbock
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Rajit K Basu
- Division of Critical Care Medicine, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Claudio Ronco
- Department of Medicine, University of Padova, International Renal Research Institute (IRRIV), San Bortolo Hospital, Vicenza, Italy
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18
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Yang B, Xie Y, Garzotto F, Ankawi G, Passannante A, Brendolan A, Bonato R, Carta M, Giavarina D, Vidal E, Gregori D, Ronco C. Influence of patients’ clinical features at intensive care unit admission on performance of cell cycle arrest biomarkers in predicting acute kidney injury. ACTA ACUST UNITED AC 2020; 59:333-342. [DOI: 10.1515/cclm-2020-0670] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 09/11/2020] [Indexed: 12/23/2022]
Abstract
Abstract
Objectives
Identification of acute kidney injury (AKI) can be challenging in patients with a variety of clinical features at intensive care unit (ICU) admission, and the capacity of biomarkers in this subpopulation has been poorly studied. In our study we examined the influence that patients’ clinical features at ICU admission have over the predicting ability of the combination of urinary tissue inhibitor of metalloproteinase-2 (TIMP2) and insulin-like growth factor binding protein 7 (IGFBP7).
Methods
Urinary [TIMP2]•[IGFBP7] were measured for all patients upon admission to ICU. We calculated the receiver operating characteristics (ROC) curves for AKI prediction in the overall cohort and for subgroups of patients according to etiology of ICU admission, which included: sepsis, trauma, neurological conditions, cardiovascular diseases, respiratory diseases, and non-classifiable causes.
Results
In the overall cohort of 719 patients, 239 (33.2%) developed AKI in the first seven days. [TIMP2]•[IGFBP7] at ICU admission were significantly higher in AKI patients than in non-AKI patients. This is true not only for the overall cohort but also in the other subgroups. The area under the ROC curve (AUC) for [TIMP2]•[IGFBP7] in predicting AKI in the first seven days was 0.633 (95% CI 0.588–0.678), for the overall cohort, with sensitivity and specificity of 66.1 and 51.9% respectively. When we considered patients with combined sepsis, trauma, and respiratory disease we found a higher AUC than patients without these conditions (0.711 vs. 0.575; p=0.002).
Conclusions
The accuracy of [TIMP2]•[IGFBP7] in predicting the risk of AKI in the first seven days after ICU admission has significant variability when the reason for ICU admission is considered.
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Affiliation(s)
- Bo Yang
- Department of Nephrology , First Teaching Hospital of Tianjin University of Traditional Chinese Medicine , Tianjin , PR China
- International Renal Research Institute of Vicenza , San Bortolo Hospital , Vicenza , Italy
| | - Yun Xie
- International Renal Research Institute of Vicenza , San Bortolo Hospital , Vicenza , Italy
- Department of Nephrology , Xin Hua Hospital Affiliated to Shanghai Jiaotong University School of Medicine , Shanghai , P.R. China
| | - Francesco Garzotto
- International Renal Research Institute of Vicenza , San Bortolo Hospital , Vicenza , Italy
- Biostatistics, Epidemiology and Public Health Unit, Department of Cardiac, Thoracic and Vascular Sciences , University of Padova , Padova , Italy
| | - Ghada Ankawi
- International Renal Research Institute of Vicenza , San Bortolo Hospital , Vicenza , Italy
- Department of Internal Medicine and Nephrology , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Alberto Passannante
- International Renal Research Institute of Vicenza , San Bortolo Hospital , Vicenza , Italy
- Department of Anaesthesia and Intensive Care , University of Trieste , Trieste , Italy
| | - Alessandra Brendolan
- International Renal Research Institute of Vicenza , San Bortolo Hospital , Vicenza , Italy
- Department of Nephrology, Dialysis and Transplantation , San Bortolo Hospital , Vicenza , Italy
| | - Raffaele Bonato
- Department of Intensive Care , San Bortolo Hospital , Vicenza , Italy
| | - Mariarosa Carta
- Department of Laboratory Medicine , San Bortolo Hospital , Vicenza , Italy
| | - Davide Giavarina
- Department of Laboratory Medicine , San Bortolo Hospital , Vicenza , Italy
| | - Enrico Vidal
- Nephrology, Dialysis and Transplant Unit, Department of Woman’s and Child’s Health , University-Hospital of Padova , Padova , Italy
| | - Dario Gregori
- Biostatistics, Epidemiology and Public Health Unit, Department of Cardiac, Thoracic and Vascular Sciences , University of Padova , Padova , Italy
| | - Claudio Ronco
- International Renal Research Institute of Vicenza , San Bortolo Hospital , Vicenza , Italy
- Department of Nephrology, Dialysis and Transplantation , San Bortolo Hospital , Vicenza , Italy
- Department of Medicine , University of Padova , Padova , Italy
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19
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Chico-Fernández M, Barea-Mendoza JA, Ormazabal-Zabala T, Moreno-Muñoz G, Pastor-Marcos D, Bueno-González A, Iglesias-Santiago A, Ballesteros-Sanz MÁ, Pérez-Bárcena J, Llompart-Pou JA. Associated risk factors and outcomes of acute kidney injury in severe trauma: Results from the Spanish trauma ICU registry (RETRAUCI). Anaesth Crit Care Pain Med 2020; 39:503-506. [DOI: 10.1016/j.accpm.2019.11.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 08/21/2019] [Accepted: 11/16/2019] [Indexed: 12/20/2022]
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20
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Bjornstad EC, Muronya W, Kamija M, Smith Z, Munthali CK, Gibson K, Mottl AK, Charles A, Marshall SW, Golightly YM, Gower EW. Validity of Urine NGALds Dipstick for Acute Kidney Injury in a Malawian Trauma Cohort. Kidney Int Rep 2020; 5:1791-1798. [PMID: 33102973 PMCID: PMC7569698 DOI: 10.1016/j.ekir.2020.07.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/24/2020] [Accepted: 07/17/2020] [Indexed: 01/11/2023] Open
Abstract
Introduction Acute kidney injury (AKI) is a major cause of mortality worldwide, particularly in low-resource settings with limited diagnostic testing. Neutrophil gelatinase-associated lipocalin (NGAL) has shown promise in predicting AKI. Nested within a larger, prospective cohort study evaluating AKI incidence in admitted trauma patients, our objective was to evaluate a novel dipstick, NGALds, for the prediction of AKI in Malawi, Africa. Methods Participants were >6 months of age. Spearman rank correlation coefficients (R) assessed NGAL categories (negative [≤50 ng/ml], low risk [51−149 ng/ml], moderate risk [150−299 ng/ml], and high risk [≥300 ng/ml]) for the urine NGALds dipstick and laboratory-based NGAL Test. Results We enrolled 285 participants (one-third children). Thirteen percent developed AKI. The dipstick captured 45 of 52 participants (86.5%) with moderate- or high-risk NGAL values on laboratory-based testing (R = 0.74). The dipstick had sensitivity of 44.4%, specificity of 73.5%, positive predictive value of 19.5%, and negative predictive value of 90.2% for predicting AKI. Acute kidney injury was associated with an increased risk of mortality (relative risk [RR] = 3.9, 95% confidence interval [CI] = 1.9−8.2), but mortality risk greatly increased among children who first had a positive (≥150 ng/ml) NGALds result (RR = 12.0, 95% CI = 1.8−78.4). Conclusions The NGALds dipstick performed similarly to the NGAL Test in this low-resource setting and may be a useful tool to rule out AKI. It may be even more important in predicting high mortality risk among children.
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Affiliation(s)
- Erica C Bjornstad
- Department of Pediatrics, Division of Nephrology, University of Alabama Birmingham, Alabama, USA.,Department of Epidemiology, University of North Carolina at Chapel Hill Gillings School of Public Health, Chapel Hill, North Carolina, USA
| | - William Muronya
- Department of Surgery, Kamuzu Central Hospital, Lilongwe, Malawi
| | - Manly Kamija
- Univeristy of North Carolina Project Malawi, Lilongwe, Malawi
| | - Zachary Smith
- Univeristy of North Carolina Project Malawi, Lilongwe, Malawi.,Division of Pediatric Critical Care Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Charles K Munthali
- Department of Medicine, Renal Unit, Kamuzu Central Hospital, Lilongwe, Malawi
| | - Keisha Gibson
- Department of Medicine, Division of Nephrology and Hypertension, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Amy K Mottl
- Department of Medicine, Division of Nephrology and Hypertension, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Anthony Charles
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.,Malawi Surgical Initiative, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Stephen W Marshall
- Department of Epidemiology, University of North Carolina at Chapel Hill Gillings School of Public Health, Chapel Hill, North Carolina, USA.,University of North Carolina Injury Prevention Research Center, Chapel Hill, North Carolina, USA
| | - Yvonne M Golightly
- Department of Epidemiology, University of North Carolina at Chapel Hill Gillings School of Public Health, Chapel Hill, North Carolina, USA.,University of North Carolina Injury Prevention Research Center, Chapel Hill, North Carolina, USA
| | - Emily W Gower
- Department of Epidemiology, University of North Carolina at Chapel Hill Gillings School of Public Health, Chapel Hill, North Carolina, USA
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21
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Parolo C, Idili A, Ortega G, Csordas A, Hsu A, Arroyo-Currás N, Yang Q, Ferguson BS, Wang J, Plaxco KW. Real-Time Monitoring of a Protein Biomarker. ACS Sens 2020; 5:1877-1881. [PMID: 32619092 DOI: 10.1021/acssensors.0c01085] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The ability to monitor protein biomarkers continuously and in real-time would significantly advance the precision of medicine. Current protein-detection techniques, however, including ELISA and lateral flow assays, provide only time-delayed, single-time-point measurements, limiting their ability to guide prompt responses to rapidly evolving, life-threatening conditions. In response, here we present an electrochemical aptamer-based sensor (EAB) that supports high-frequency, real-time biomarker measurements. Specifically, we have developed an electrochemical, aptamer-based (EAB) sensor against Neutrophil Gelatinase-Associated Lipocalin (NGAL), a protein that, if present in urine at levels above a threshold value, is indicative of acute renal/kidney injury (AKI). When deployed inside a urinary catheter, the resulting reagentless, wash-free sensor supports real-time, high-frequency monitoring of clinically relevant NGAL concentrations over the course of hours. By providing an "early warning system", the ability to measure levels of diagnostically relevant proteins such as NGAL in real-time could fundamentally change how we detect, monitor, and treat many important diseases.
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Affiliation(s)
- Claudio Parolo
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Andrea Idili
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Gabriel Ortega
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Andrew Csordas
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Alex Hsu
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Netzahualcóyotl Arroyo-Currás
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland 21205, United States
| | - Qin Yang
- Aptitude Medical Systems, Inc., Santa Barbara, California 93105, United States
| | | | - Jinpeng Wang
- Aptitude Medical Systems, Inc., Santa Barbara, California 93105, United States
| | - Kevin W. Plaxco
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
- Interdepartmental Program in Biomolecular Science and Engineering University of California, Santa Barbara, Santa Barbara, California 93106, United States
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22
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Beyer CA, Burmeister DM, Gómez BI, Tercero J, Babcock E, Walker LE, Hoareau G, Sosnov J, Chung KK, Stewart IJ. Point-of-Care Urinary Biomarker Testing for Risk Prediction in Critically Injured Combat Casualties. J Am Coll Surg 2019; 229:508-515.e1. [DOI: 10.1016/j.jamcollsurg.2019.07.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 06/11/2019] [Accepted: 07/08/2019] [Indexed: 01/18/2023]
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23
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Does Whole-Blood Neutrophil Gelatinase-Associated Lipocalin Stratify Acute Kidney Injury in Critically Ill Patients? DISEASE MARKERS 2019; 2019:8480925. [PMID: 31191757 PMCID: PMC6525902 DOI: 10.1155/2019/8480925] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 02/11/2019] [Accepted: 03/03/2019] [Indexed: 01/03/2023]
Abstract
Purpose To analyse the capacity of whole-blood NGAL (wbNGAL) to stratify AKI in critically ill patients with and without sepsis. Methods Whole-blood NGAL was measured with a point-of-care device at admission and 48 hours later in patients admitted to a general ICU. Patients were classified by the AKIN and KDIGO classifications at admission and 24 and 48 hours. We performed an ROC curve analysis. wbNGAL values at admission were compared in patients with sepsis and septic shock. Results The study included 100 consecutively admitted patients (40 female) with mean age 59.1 ± 17.8 years. Thirty-three patients presented AKI at admission, and 10 more developed it in the next 48 h. Eighteen patients had AKI stage 3, 14 of them at admission. Nine patients required renal replacement therapy. According to KDIGO at admission, wbNGAL values were 78 μg/L (60-187) in stage 0 (n = 67), 263 μg/L (89-314) in stage 1 (n = 8), 484 μg/L (333-708) in stage 2 (n = 11), and 623 μg/L (231-911) in stage 3 (n = 14), p = 0.0001 for trend. Ten patients did not complete 48 hours of study: 6 of 10 were discharged (initial wbNGAL 130 μg/L (60-514)) and 4 died (773 μg/L (311-1010)). The AUROC curve of wbNGAL to predict AKI was 0.838 (95% confidence interval 0.76-0.92, p = 0.0001), with optimal cut-off value of 178 μg/L (sensitivity 76.7%, specificity 78.9%, p < 0.0001). At admission, twenty-nine patients had sepsis, of whom 20 were in septic shock. wbNGAL concentrations were 81 μg/L (60-187) in patients without sepsis, 481 (247-687) in those with sepsis, and 623.5 μg/L (361-798) in the subgroup of septic shock (p < 0.0001). Conclusions Whole-blood NGAL concentration at ICU admission was a good stratifier of AKI in critically ill patients. However, wbNGAL concentrations were higher in septic patients irrespective of AKI occurrence.
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24
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Abstract
AIM Exertional heastroke (EHS) can lead to acute kidney injury. Oral rehydration solution III (ORS III), recommended by WHO in 2004, is used to rehydrate children with gastroenteritis. This study aimed to characterize the renoprotective effect of ORS III in EHS rats. METHODS Rats were randomly divided into Group Control, Group EHS, Group EHS + Water, and Group EHS + ORS. Thirty minutes before the experiment, ORS III was orally administrated to Group EHS + ORS, Water was given to Group EHS + Water. Rats from Group EHS, Group EHS + Water and Group EHS + ORS were then forced to run until they fatigued. Core temperature (Tc) was monitored and 40.5 °C was considered as the onset of heatstroke. Serum creatinine (SCr), blood urea nitrogen (BUN) were measured using an automated biochemical analyzer. Serum neutrophil gelatinase-associated lipocalin (NGAL) was measured using an NGAL ELISA Kit. Light microscopy was used for kidney structural analysis. RESULTS SCr level in Group EHS was no different from Group Control (p > .05), while BUN and NGAL levels in Group EHS were higher than Group Control (p <.001, p < .001). SCr, BUN and NGAL concentrations in group EHS + Water were no different from Group EHS (p > .05). SCr, BUN levels in Group EHS + ORS were no different from Group EHS (p > .05). But NGAL levels were significant in these two groups (p = .012). Renal histopathologies of rats in Group EHS and Group EHS + Water showed flattened lumens filled with eosinophilic materials. The damage was milder in Group EHS + ORS, in which injured tubules showed degeneration of the tubular epithelium and sloughing of the brush border membrane. CONCLUSION ORS III could alleviate the kidney injury in EHS rats.
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Affiliation(s)
- Yufang Lin
- a Department of Nephrology , General Hospital of Northern Theater Command , Liaoning , China
| | - Yanning Zhang
- a Department of Nephrology , General Hospital of Northern Theater Command , Liaoning , China
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25
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Søvik S, Isachsen MS, Nordhuus KM, Tveiten CK, Eken T, Sunde K, Brurberg KG, Beitland S. Acute kidney injury in trauma patients admitted to the ICU: a systematic review and meta-analysis. Intensive Care Med 2019; 45:407-419. [PMID: 30725141 DOI: 10.1007/s00134-019-05535-y] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 01/14/2019] [Indexed: 01/17/2023]
Abstract
PURPOSE To perform a systematic review and meta-analysis of acute kidney injury (AKI) in trauma patients admitted to the intensive care unit (ICU). METHODS We conducted a systematic literature search of studies on AKI according to RIFLE, AKIN, or KDIGO criteria in trauma patients admitted to the ICU (PROSPERO CRD42017060420). We searched PubMed, Cochrane Database of Systematic Reviews, UpToDate, and NICE through 3 December 2018. Data were collected on incidence of AKI, risk factors, renal replacement therapy (RRT), renal recovery, length of stay (LOS), and mortality. Pooled analyses with random effects models yielded mean differences, OR, and RR, with 95% CI. RESULTS Twenty-four observational studies comprising 25,182 patients were included. Study quality (Newcastle-Ottawa scale) was moderate. Study heterogeneity was substantial. Incidence of post-traumatic AKI in the ICU was 24% (20-29), of which 13% (10-16) mild, 5% (3-7) moderate, and 4% (3-6) severe AKI. Risk factors for AKI were African American descent, high age, chronic hypertension, diabetes mellitus, high Injury Severity Score, abdominal injury, shock, low Glasgow Coma Scale (GCS) score, high APACHE II score, and sepsis. AKI patients had 6.0 (4.0-7.9) days longer ICU LOS and increased risk of death [RR 3.4 (2.1-5.7)] compared to non-AKI patients. In patients with AKI, RRT was used in 10% (6-15). Renal recovery occurred in 96% (78-100) of patients. CONCLUSIONS AKI occurred in 24% of trauma patients admitted to the ICU, with an RRT use among these of 10%. Presence of AKI was associated with increased LOS and mortality, but renal recovery in AKI survivors was good.
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Affiliation(s)
- Signe Søvik
- Department of Anaesthesia and Intensive Care, Akershus University Hospital, Lørenskog, Norway. .,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.
| | | | - Kine Marie Nordhuus
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | | | - Torsten Eken
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Anaesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital Ullevål, Oslo, Norway
| | - Kjetil Sunde
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Anaesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital Ullevål, Oslo, Norway
| | - Kjetil Gundro Brurberg
- Division for Health Services, Norwegian Institute of Public Health, Oslo, Norway.,Center for Evidence Based Practice, Western Norway University of Applied Sciences, Bergen, Norway
| | - Sigrid Beitland
- Department of Anaesthesiology, Division of Emergencies and Critical Care, Oslo University Hospital Ullevål, Oslo, Norway.,Renal Research Group Ullevål, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
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Mahmoodpoor A, Hamishehkar H, Fattahi V, Sanaie S, Arora P, Nader ND. Urinary versus plasma neutrophil gelatinase-associated lipocalin (NGAL) as a predictor of mortality for acute kidney injury in intensive care unit patients. J Clin Anesth 2019; 44:12-17. [PMID: 29100016 DOI: 10.1016/j.jclinane.2017.10.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 09/29/2017] [Accepted: 10/20/2017] [Indexed: 01/26/2023]
Abstract
OBJECTIVE To examine urinary and plasma neutrophil gelatinase-associated lipocalin (NGAL) levels in predicting ICU mortality. DESIGN Prospective observational. SETTING University Critical Care setting. PARTICIPANTS 50 patients with acute kidney injury (AKI). INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Serial urinary and plasma concentrations of NGAL were measured. Twenty-five patients had early progression (EP) and 25 patients had early improvement (EI) of AKI. Plasma concentrations of NGAL in the EP group (N=25) were significantly higher than those in the EI group (129 [IQR; 20] vs. 111 [IQR; 32] ng/mL; P=0.009), while urine NGAL levels on admission were similar in both groups (61 [IQR; 20] vs. 65 [IQR; 20] ng/mL; P=0.767). Plasma NGAL concentrations rapidly decreased to 87 [32] ng/mL in the EI group (P<0.001) and while it remained elevated in the EP group (138 [21] ng/mL). Within 28-days, 50% of the patients died in the EP group, whereas no patient died in the EI group (P<0.001). Plasma NGAL was a fair predictor for progression of AKI (AUC; 0.719±0.063; P=0.006). 48-hour changes in plasma NGAL levels predicted death within 28-days of ICU admission (AUC; 0.874±0.048; P<0.001). CONCLUSION Early progression of AKI was associated with more death within 28 and 90days. While one time measurement of plasma NGAL levels at the time ICU admission may represent the kidney health status in critical care settings, it does not reliably predict mortality. On the other hand, changes in plasma NGAL within 48h of admission improve the value of this biomarker in predicting ICU mortality.
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Affiliation(s)
- Ata Mahmoodpoor
- Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Hamishehkar
- Applied Drug Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahid Fattahi
- Department of Anesthesiology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sarvin Sanaie
- Lung & Tuberculosis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Pradeep Arora
- Clinical Professor of Medicine, University at Buffalo, Buffalo, NY, USA.
| | - Nader D Nader
- Department of Anesthesiology, University at Buffalo, 77 Goodell Street, Suite #510, Buffalo, NY 14203, USA.
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Jagadesan I, Agarwal I, Chaturvedi S, Jose A, Sahni RD, Fleming JJ. Urinary Neutrophil Gelatinase Associated Lipocalin - A Sensitive Marker for Urinary Tract Infection in Children. Indian J Nephrol 2019; 29:340-344. [PMID: 31571741 PMCID: PMC6755922 DOI: 10.4103/ijn.ijn_276_18] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Early antibiotic treatment for urinary tract infection (UTI) in young children can prevent renal scarring. Sensitivity of pyuria and positive urine nitrite test as indicators of UTI are low, whereas results of urine culture, the gold standard for diagnosing UTI, may not be available for 48--72 h. Novel markers for rapid and accurate diagnosis of UTI would help in the early initiation of treatment in children with suspected UTI. We studied the utility of urinary neutrophil gelatinase-associated lipocalin (NGAL) as an early marker of UTI. This study included 100 children between 3 months and 5 years with suspected UTI. After parental consent, a midstream clean catch or suprapubic aspirate urine specimen was sent for culture and NGAL analysis. Sensitivity and specificity of urine NGAL as a marker of UTI were estimated. Of the 100 children evaluated, urine culture was positive in 34%. Median urine NGAL values were higher in culture-positive children than in culture-negative children (223.20 vs 13.65, P = 0.0001). Receiver operating curve analysis showed an optimal cutoff level of 27 ng/ml for urine NGAL (odds ratio, 8.2, 95% confidence interval, 3.1--22.1) correlating best with culture positivity. Sensitivity and specificity of urine NGAL estimation were significantly better (79.4% and 68.2%) when compared with urine white blood cell estimation (70.6% and 53%). Urine NGAL is a sensitive and specific marker to predict UTI in children with a cutoff level of 27 ng/ml. It may serve as a screening test for detecting simple, uncomplicated UTI in young children.
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Affiliation(s)
- Iswarya Jagadesan
- Department of Paediatrics, Paediatric Nephrology Division, Christian Medical College, Vellore, Tamil Nadu, India
| | - Indira Agarwal
- Department of Paediatrics, Paediatric Nephrology Division, Christian Medical College, Vellore, Tamil Nadu, India
| | - Swasti Chaturvedi
- Department of Paediatrics, Paediatric Nephrology Division, Christian Medical College, Vellore, Tamil Nadu, India
| | - Arun Jose
- Department of Clinical Biochemistry, Paediatric Nephrology Division, Christian Medical College, Vellore, Tamil Nadu, India
| | - Rani D Sahni
- Clinical Microbiology, Christian Medical College, Vellore, Tamil Nadu, India
| | - Jude J Fleming
- Department of Clinical Biochemistry, Paediatric Nephrology Division, Christian Medical College, Vellore, Tamil Nadu, India
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Diagnostic Utility of Serum Neutrophil Gelatinase-Associated Lipocalin in Polytraumatized Patients Suffering Acute Kidney Injury: A Prospective Study. BIOMED RESEARCH INTERNATIONAL 2018; 2018:2687584. [PMID: 30533430 PMCID: PMC6247699 DOI: 10.1155/2018/2687584] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 09/27/2018] [Accepted: 10/23/2018] [Indexed: 11/18/2022]
Abstract
Introduction The incidence of acute kidney injury (AKI) considerably increases the mortality rate in polytrauma victims. Undoubtedly, early identification of patients at risk is crucial for timely implementation of preventive strategies in order to improve their prognosis. Therefore, we aimed to investigate if serum neutrophil gelatinase-associated lipocalin (sNGAL) may serve as a diagnostic biomarker of early AKI in polytrauma victims, especially considering patients needing renal replacement theory (RRT). Material and Methods Forty consecutive polytrauma victims (ISS ≥ 16, AISThorax ≥ 1, age ≥ 18 years, survival time ≥ 48 hours), directly admitted to our level I trauma center within one posttraumatic hour, were enrolled in our prospective study. sNGAL-levels were assessed at admission (initial) and on day 2 after trauma. AKI was diagnosed by an increase of serum creatinine (sCr) level of at least 0.3 mg/dl within 48 hours. Results Out of 30 men and 10 women (mean age, 43 years; mean ISS, 29), seven patients developed AKI, four of them needing RRT. AKI was diagnosed in 86% of the affected individuals until day 2. Day2-sNGAL-levels were higher in the AKI-group, compared to the no-AKI-group (p=0.049), and in patients treated with RRT than in individuals not needing RRT (p=0.037). Noteworthy, in patients not needing RRT sNGAL-levels significantly decreased from initial to day2-measurement (p=0.040). Furthermore, at any time point during our observation period polytraumatized patients with AKI and day2-sNGAL-levels of at least 181.0 ng/mL presented with higher sCr-levels compared to polytraumatized patients without AKI and day2-sNGAL-levels lower than 181.0 ng/mL (p≤0.029). Conclusion In polytrauma victims suffering AKI an increase in sNGAL-level from initial to day2-assessment may signalize deterioration in kidney function and thus indicate AKI progression. Unlike initial sNGAL-levels day2-sNGAL-levels might be an appropriate tool to define AKI and to signify the need of RRT in polytraumatized patients.
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29
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Doi K, Nishida O, Shigematsu T, Sadahiro T, Itami N, Iseki K, Yuzawa Y, Okada H, Koya D, Kiyomoto H, Shibagaki Y, Matsuda K, Kato A, Hayashi T, Ogawa T, Tsukamoto T, Noiri E, Negi S, Kamei K, Kitayama H, Kashihara N, Moriyama T, Terada Y. The Japanese Clinical Practice Guideline for acute kidney injury 2016. RENAL REPLACEMENT THERAPY 2018. [DOI: 10.1186/s41100-018-0177-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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30
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Doi K, Nishida O, Shigematsu T, Sadahiro T, Itami N, Iseki K, Yuzawa Y, Okada H, Koya D, Kiyomoto H, Shibagaki Y, Matsuda K, Kato A, Hayashi T, Ogawa T, Tsukamoto T, Noiri E, Negi S, Kamei K, Kitayama H, Kashihara N, Moriyama T, Terada Y. The Japanese clinical practice guideline for acute kidney injury 2016. Clin Exp Nephrol 2018; 22:985-1045. [PMID: 30039479 PMCID: PMC6154171 DOI: 10.1007/s10157-018-1600-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Acute kidney injury (AKI) is a syndrome which has a broad range of etiologic factors depending on different clinical settings. Because AKI has significant impacts on prognosis in any clinical settings, early detection and intervention is necessary to improve the outcomes of AKI patients. This clinical guideline for AKI was developed by a multidisciplinary approach with nephrology, intensive care medicine, blood purification, and pediatrics. Of note, clinical practice for AKI management which was widely performed in Japan was also evaluated with comprehensive literature search.
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Affiliation(s)
- Kent Doi
- Department of Acute Medicine, The University of Tokyo, Tokyo, Japan
| | - Osamu Nishida
- Department of Anesthesiology and Critical Care Medicine, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | | | - Tomohito Sadahiro
- Department of Emergency and Critical Care Medicine, Tokyo Women's Medical University Yachiyo Medical Center, Chiba, Japan
| | - Noritomo Itami
- Department of Surgery, Kidney Center, Nikko Memorial Hospital, Hokkaido, Japan
| | - Kunitoshi Iseki
- Clinical Research Support Center, Tomishiro Central Hospital, Okinawa, Japan
| | - Yukio Yuzawa
- Department of Nephrology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - Hirokazu Okada
- Department of Nephrology and General Internal Medicine, Saitama Medical University, Saitama, Japan
| | - Daisuke Koya
- Division of Anticipatory Molecular Food Science and Technology, Department of Diabetology and Endocrinology, Kanazawa Medical University, Kanawaza, Ishikawa, Japan
| | - Hideyasu Kiyomoto
- Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan
| | - Yugo Shibagaki
- Division of Nephrology and Hypertension, St. Marianna University School of Medicine, Kawasaki, Kanagawa, Japan
| | - Kenichi Matsuda
- Department of Emergency and Critical Care Medicine, University of Yamanashi School of Medicine, Yamanashi, Japan
| | - Akihiko Kato
- Blood Purification Unit, Hamamatsu University Hospital, Hamamatsu, Japan
| | - Terumasa Hayashi
- Department of Kidney Disease and Hypertension, Osaka General Medical Center, Osaka, Japan
| | - Tomonari Ogawa
- Nephrology and Blood Purification, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Tatsuo Tsukamoto
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Eisei Noiri
- Department of Nephrology and Endocrinology, The University of Tokyo, Tokyo, Japan
| | - Shigeo Negi
- Department of Nephrology, Wakayama Medical University, Wakayama, Japan
| | - Koichi Kamei
- Division of Nephrology and Rheumatology, National Center for Child Health and Development, Tokyo, Japan
| | | | - Naoki Kashihara
- Department of Nephrology and Hypertension, Kawasaki Medical School, Okayama, Japan
| | - Toshiki Moriyama
- Health Care Division, Health and Counseling Center, Osaka University, Osaka, Japan
| | - Yoshio Terada
- Department of Endocrinology, Metabolism and Nephrology, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, Kochi, 783-8505, Japan.
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Gombert A, Prior I, Martin L, Grommes J, Barbati ME, Foldenauer AC, Schälte G, Marx G, Schürholz T, Greiner A, Jacobs MJ, Kalder J. Urine neutrophil gelatinase-associated lipocalin predicts outcome and renal failure in open and endovascular thoracic abdominal aortic aneurysm surgery. Sci Rep 2018; 8:12676. [PMID: 30140016 PMCID: PMC6107559 DOI: 10.1038/s41598-018-31183-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 08/13/2018] [Indexed: 12/15/2022] Open
Abstract
Urine neutrophil gelatinase–associated lipocalin (uNGAL) has been evaluated as a biomarker for AKI detection and adverse outcome in open and endovascular thoracoabdominal aortic aneurysm surgery. This observational, retrospective study included 52 patients. UNGAL was measured peri-operatively (48 h) and correlated with AKI requiring dialysis, tracheotomy and adverse outcome. Mean patients’ age was 64.5 years. A total of 26.9% (n = 14) developed AKI, and 21.1% (n = 11) required dialysis, tracheotomy rate was 19.2% (n = 10) and in-hospital mortality rate was 7.6% (n = 4). uNGAL levels were related to AKI requiring dialysis at ICU (p = 0.0002), need for tracheotomy at baseline and admission on ICU (p = 0.0222, p = 0.0028, respectively), as well as adverse discharge modality (p = 0.0051, p = 0.0048, respectively). Diagnostic quality was good for uNGAL levels at admission to ICU regarding AKI requiring dialysis (sensitivity: 81.8% [48.2–97.7]; specificity: 87.8% [73.8–95.9]; area under the curve (AUC): 0.874 [0.752–0.949]). The diagnostic quality of uNGAL was favorable for the prediction of tracheotomy (sensitivity: 70.0% [34.8–93.3]; specificity: 83.3% [68.6–93.0]; AUC: 0.807 [0.674–0.903]) and adverse discharge (sensitivity: 77.8% [40.0–97.2]; specificity: 83.7% [69.3–93.2]; AUC: 0.817 [0.685–0.910]). uNGAL may be valuable as an post-operative predictor of AKI and adverse outcome after open and endovascular TAAA repair.
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Affiliation(s)
- A Gombert
- European Vascular Center Aachen, University Hospital Aachen, RWTH Aachen University, Maastricht, Germany.
| | - I Prior
- European Vascular Center Aachen, University Hospital Aachen, RWTH Aachen University, Maastricht, Germany
| | - L Martin
- Department of Intensive Care and Intermediate Care, University Hospital Aachen, RWTH Aachen University, Maastricht, Germany
| | - J Grommes
- European Vascular Center Aachen, University Hospital Aachen, RWTH Aachen University, Maastricht, Germany
| | - M E Barbati
- European Vascular Center Aachen, University Hospital Aachen, RWTH Aachen University, Maastricht, Germany
| | - A C Foldenauer
- Department of Medical Statistics, University Hospital Aachen, RWTH Aachen University, Maastricht, Germany
| | - G Schälte
- Department of Anesthesiology, University Hospital Aachen, RWTH Aachen University, Maastricht, Germany
| | - G Marx
- Department of Intensive Care and Intermediate Care, University Hospital Aachen, RWTH Aachen University, Maastricht, Germany
| | - T Schürholz
- Department of Anaesthesia and Intensive Care, University of Rostock, Rostock, Germany
| | - A Greiner
- Department of Vascular Surgery, Charité University Hospital Berlin, Berlin, Germany
| | - M J Jacobs
- European Vascular Center Aachen, University Hospital Aachen, RWTH Aachen University, Maastricht, Germany
| | - J Kalder
- European Vascular Center Aachen, University Hospital Aachen, RWTH Aachen University, Maastricht, Germany
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Doi K, Nishida O, Shigematsu T, Sadahiro T, Itami N, Iseki K, Yuzawa Y, Okada H, Koya D, Kiyomoto H, Shibagaki Y, Matsuda K, Kato A, Hayashi T, Ogawa T, Tsukamoto T, Noiri E, Negi S, Kamei K, Kitayama H, Kashihara N, Moriyama T, Terada Y. The Japanese Clinical Practice Guideline for acute kidney injury 2016. J Intensive Care 2018; 6:48. [PMID: 30123509 PMCID: PMC6088399 DOI: 10.1186/s40560-018-0308-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 06/22/2018] [Indexed: 12/20/2022] Open
Abstract
Acute kidney injury (AKI) is a syndrome which has a broad range of etiologic factors depending on different clinical settings. Because AKI has significant impacts on prognosis in any clinical settings, early detection and intervention are necessary to improve the outcomes of AKI patients. This clinical guideline for AKI was developed by a multidisciplinary approach with nephrology, intensive care medicine, blood purification, and pediatrics. Of note, clinical practice for AKI management which was widely performed in Japan was also evaluated with comprehensive literature search.
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Affiliation(s)
- Kent Doi
- Department of Acute Medicine, The University of Tokyo, Tokyo, Japan
| | - Osamu Nishida
- Department of Anesthesiology and Critical Care Medicine, Fujita Health University School of Medicine, Toyoake, Aichi Japan
| | | | - Tomohito Sadahiro
- Department of Emergency and Critical Care Medicine, Tokyo Women’s Medical University Yachiyo Medical Center, Chiba, Japan
| | - Noritomo Itami
- Kidney Center, Department of Surgery, Nikko Memorial Hospital, Hokkaido, Japan
| | - Kunitoshi Iseki
- Clinical Research Support Center, Tomishiro Central Hospital, Okinawa, Japan
| | - Yukio Yuzawa
- Department of Nephrology, Fujita Health University School of Medicine, Toyoake, Aichi Japan
| | - Hirokazu Okada
- Department of Nephrology and General Internal Medicine, Saitama Medical University, Saitama, Japan
| | - Daisuke Koya
- Division of Anticipatory Molecular Food Science and Technology, Department of Diabetology and Endocrinology, Kanazawa Medical University, Kanawaza, Ishikawa Japan
| | - Hideyasu Kiyomoto
- Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan
| | - Yugo Shibagaki
- Division of Nephrology and Hypertension, St. Marianna University School of Medicine, Kawasaki, Kanagawa Japan
| | - Kenichi Matsuda
- Department of Emergency and Critical Care Medicine, University of Yamanashi School of Medicine, Yamanashi, Japan
| | - Akihiko Kato
- Blood Purification Unit, Hamamatsu University Hospital, Hamamatsu, Japan
| | - Terumasa Hayashi
- Department of Kidney Disease and Hypertension, Osaka General Medical Center, Osaka, Japan
| | - Tomonari Ogawa
- Nephrology and Blood Purification, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Tatsuo Tsukamoto
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Eisei Noiri
- Department of Nephrology and Endocrinology, The University of Tokyo, Tokyo, Japan
| | - Shigeo Negi
- Department of Nephrology, Wakayama Medical University, Wakayama, Japan
| | - Koichi Kamei
- Division of Nephrology and Rheumatology, National Center for Child Health and Development, Tokyo, Japan
| | | | - Naoki Kashihara
- Department of Nephrology and Hypertension, Kawasaki Medical School, Okayama, Japan
| | - Toshiki Moriyama
- Health Care Division, Health and Counseling Center, Osaka University, Osaka, Japan
| | - Yoshio Terada
- Department of Endocrinology, Metabolism and Nephrology, Kochi Medical School, Kochi University, Kohasu, Oko-cho, Nankoku, 783-8505 Japan
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Hamdy HS, El-Ray A, Salaheldin M, Lasheen M, Aboul-Ezz M, Abdel-Moaty AS, Abdel-Rahim A. Urinary Neutrophil Gelatinase-Associated Lipocalin in Cirrhotic Patients with Acute Kidney Injury. Ann Hepatol 2018; 17:624-630. [PMID: 29893703 DOI: 10.5604/01.3001.0012.0931] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION AND AIM It is well known that development of acute kidney injury (AKI) increases mortality in hospitalized cirrhotic patients; therefore many novel markers have been studied for early detection, differential diagnosis and prognosis in cirrhotic patients with AKI. The aim of the current work is to evaluate urinary Neutrophil Gelatinase-Associated Lipocalin (uNGAL) as a diagnostic biomarker for different causes of acute kidney injury in liver cirrhosis and to assess it as a prognostic marker. MATERIAL AND METHODS Out of 83 cirrhotic patients with AKI admitted between October 2015 and June 2016; 70 patients were included in this prospective study. Routine laboratory tests, uNGAL and fractional excretion of Na were obtained on admission. End points were death or improvement of kidney function and discharge. RESULTS The patients included in our study were 41 males and 29 females with mean age 54.27 ± 6.08 years. HCV was the etiology of cirrhosis in 69 cases while one had combined HBV and HCV infection. More than 50% of patients were classified as Child C. Causes of kidney injury were prerenal, hepatorenal syndrome (HRS) and intrinsic tubular injury (iAKI) in 39 patients (55.7%), 17 patients (24.3%) and 14 patients (20%) respectively. mean value of uNGAL in prerenal, HRS and iAKI was 21.70 ± 7.31, 115.53 ± 68.19 and 240.83 ± 116.94 ng/mg creatinine respectively. MELD above 20 and uNGL above 32 were predictors of mortality. CONCLUSION A single baseline measurement of uNGAL level has the ability to determine type of kidney dysfunction in cirrhotic patients, perhaps accelerating management decisions and improving outcomes.
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Affiliation(s)
- Hassan S Hamdy
- Tropical Medicine Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Ahmed El-Ray
- Hepato-Gastroenterology Department, Theodor Bilharz Research Institute (TBRI), Giza, Egypt
| | - Mohamed Salaheldin
- Tropical Medicine Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mohammad Lasheen
- Hepato-Gastroenterology Department, Theodor Bilharz Research Institute (TBRI), Giza, Egypt
| | - Mohamed Aboul-Ezz
- Hepato-Gastroenterology Department, Theodor Bilharz Research Institute (TBRI), Giza, Egypt
| | - Ahmed S Abdel-Moaty
- Tropical Medicine Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Ali Abdel-Rahim
- Hepato-Gastroenterology Department, Theodor Bilharz Research Institute (TBRI), Giza, Egypt
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Abstract
PURPOSE OF REVIEW Among critically ill patients, acute kidney injury (AKI) is still a common and serious complication with a tremendous impact on short-term and long-term outcomes. The objective of this review is to discuss strategies for renal protection and prevention of AKI in ICU patients. RECENT FINDINGS It is fundamental to identify patients at risk for AKI as soon as possible and as accurately as possible. In order to achieve these goals, translational approaches implementing new biomarkers have shown promising results. Focusing on the role of potential preventive strategies, hemodynamic stabilization is the most important intervention with proven efficacy. Recent published data undermined any hope that high-dose statin therapy in statin-naïve patients could exert renoprotective effects. However, preliminary data revealed the renoprotective activity of dexmedetomidine when used as a sedative agent. Moreover, several studies demonstrated the protective effects of remote ischemic preconditioning in various organs including the kidneys. The use of balanced crystalloid instead of hyperchloremic solutions also contributes to the reduction of AKI in critically ill patients. SUMMARY To prevent AKI, it is crucial to identify patients at risk as early as possible. Establishing hemodynamic stability and an adequate intravascular volume state to ensure a sufficient perfusion pressure is the only effective therapeutic intervention. It is self-evident that nephrotoxic agents should be avoided whenever it is possible.
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Rizvi MS, Kashani KB. Biomarkers for Early Detection of Acute Kidney Injury. J Appl Lab Med 2017; 2:386-399. [PMID: 33636842 DOI: 10.1373/jalm.2017.023325] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 08/10/2017] [Indexed: 11/06/2022]
Abstract
BACKGROUND Acute kidney injury (AKI) is common in hospitalized patients and is associated with increased morbidity, mortality, and cost. Currently, AKI is diagnosed after symptoms manifest; available diagnostic tests (e.g., serum creatinine, urine microscopy, urine output) have limited ability to identify subclinical AKI. Because of the lack of treatment strategies, AKI typically is managed with supportive measures. However, strategies exist that may prevent renal insults in critically ill patients; therefore, early recognition of AKI is crucial for minimizing damage propagation. CONTENT Experimental and clinical studies have identified biomarkers that may facilitate earlier recognition of AKI or even identify patients at risk of AKI. Such biomarkers might aid in earlier implementation of preventive strategies to slow disease progression and potentially improve outcomes. This review describes some of the most promising novel biomarkers of AKI, including neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule 1 (KIM-1), interleukin 18 (lL-18), liver-type fatty-acid-binding protein (L-FABP), insulin-like-growth-factor-binding protein 7 (IGFBP7), and tissue inhibitor of metalloproteinase 2 (TIMP-2). SUMMARY We discuss biomarker test characteristics, their strengths and weaknesses, and future directions of their clinical implementation.
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Affiliation(s)
- Mahrukh S Rizvi
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN
| | - Kianoush B Kashani
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN.,Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN
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Response to: "Letter to the Editor for 'Low Versus Standard Urine Output Targets in Patients Undergoing Major Abdominal Surgery'". Ann Surg 2017; 268:e23. [PMID: 28857818 DOI: 10.1097/sla.0000000000002499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Combat-related blast trauma results in massive tissue injury and tends to involve multiple systems. Further, an acute measure of injury severity based on underlying biological mechanisms may be important for the triage and treatment of these types of patients. We hypothesized that urinary biomarkers (UBs) would reflect severity of injury and that they would be elevated for blast injuries compared with gunshot wounds (GSW) in a cohort of combat casualties. We also postulated that UBs would be higher in patients with burns compared with patients with non-burn trauma in a civilian cohort. Among 80 service members who sustained combat-related injuries, we performed generalized estimating equations to compare differences in log-transformed concentrations of the UBs by both injury severity and injury mechanism. Among 22 civilian patients, we performed Kruskal-Wallis tests to compare differences for the UBs stratified by burn and non-burn trauma. In the military cohort, with the exception of IL-18, all UBs were significantly (P <0.05) higher for patients with a severe combat-related injury (Injury Severity Score ≥25). In addition, all crude UBs concentrations were significantly higher for blast versus GSW patients (P < 0.05). After adjusting for injury severity score and time of UB draw, KIM-1 (2.80 vs. 2.31; P = 0.03) and LFABP (-1.11 vs. -1.92; P = 0.02) were significantly higher for patients with a blast mechanism of injury. There were no significant differences in UBs between burn and non-burn civilian trauma patients. Future studies are needed to understand the physiologic response to trauma and the extent that UBs reflect these underlying processes.
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Low Versus Standard Urine Output Targets in Patients Undergoing Major Abdominal Surgery: A Randomized Noninferiority Trial. Ann Surg 2017; 265:874-881. [PMID: 27763895 DOI: 10.1097/sla.0000000000002044] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To determine whether a low perioperative minimum urine output target is safe and fluid sparing when compared with the standard target. BACKGROUND A minimum hourly urine output of 0.5 mL/kg is a key target guiding perioperative fluid therapy. Few data support this standard practice, which may contribute to perioperative fluid overloading. METHODS We randomized patients without significant risk factors for acute kidney injury undergoing elective colectomy to a minimum urine output target of 0.2 mL/kg/h (low group) or 0.5 mL/kg/h (standard group) from induction of anesthesia until 8 AM 2 days after surgery. Maintenance fluids were standardized and additional fluids administered to achieve the targets. Primary outcome was noninferiority for urine neutrophil gelatinase-associated lipocalin on the day after surgery. RESULTS Between November 21, 2011 and July 11, 2013, 40 participants completed the study. The low group received 3170 mL (95% confidence interval 2380-3960) intravenous fluids versus 5490 mL (95% confidence interval 4570-6410) in the standard group (P = 0.0004), and was noninferior for neutrophil gelatinase-associated lipocalin [14.7 μg/L (interquartile range 7.60-28.9) vs 18.4 μg/L (interquartile range 8.30-21.2); Pnoninferiority = 0.0011], serum cystatin C (Pnoninferiority < 0.0001), serum creatinine (Pnoninferiority = 0.0004), and measured glomerular filtration (Pnoninferiority = 0.0003). Effective renal plasma flow increased in both groups after surgery, and more in the standard group (Pnoninferiority = 0.125). CONCLUSIONS A perioperative urine output target of 0.2 mL/kg/h is noninferior to the standard target of 0.5 mL/kg/h and results in a large intravenous fluid sparing. This target should be adopted in surgical patients without significant kidney injury risk factors.
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Niforopoulou P, Iacovidou N, Lelovas P, Karlis G, Papalois Α, Siakavellas S, Spapis V, Kaparos G, Siafaka I, Xanthos T. Correlation of Impedance Threshold Device use during cardiopulmonary resuscitation with post-cardiac arrest Acute Kidney Injury. Am J Emerg Med 2017; 35:846-854. [PMID: 28131602 DOI: 10.1016/j.ajem.2017.01.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 01/16/2017] [Accepted: 01/21/2017] [Indexed: 11/28/2022] Open
Abstract
PURPOSE To assess whether use of Impedance Threshold Device (ITD) during cardiopulmonary resuscitation (CPR) reduces the degree of post-cardiac arrest Acute Kidney Injury (AKI), as a result of improved hemodynamics, in a porcine model of ventricular fibrillation (VF) cardiac arrest. METHODS After 8 min of untreated cardiac arrest, the animals were resuscitated either with active compression-decompression (ACD) CPR plus a sham ITD (control group, n=8) or with ACD-CPR plus an active ITD (ITD group, n=8). Adrenaline was administered every 4 min and electrical defibrillation was attempted every 2 min until return of spontaneous circulation (ROSC) or asystole. After ROSC the animals were monitored for 6 h under general anesthesia and then returned to their cages for a 48 h observation, before euthanasia. Two novel biomarkers, Neutrophil Gelatinase-Associated Lipocalin (NGAL) in plasma and Interleukin-18 (IL-18) in urine, were measured at 2 h, 4 h, 6 h, 24 h and 48 h post-ROSC, in order to assess the degree of AKI. RESULTS ROSC was observed in 7 (87.5%) animals treated with the sham valve and 8 (100%) animals treated with the active valve (P=NS). However, more than twice as many animals survived at 48 h in the ITD group (n=8, 100%) compared to the control group (n=3, 37.5%). Urine IL-18 and plasma NGAL levels were augmented post-ROSC in both groups, but they were significantly higher in the control group compared with the ITD group, at all measured time points. CONCLUSION Use of ITD during ACD-CPR improved hemodynamic parameters, increased 48 h survival and decreased the degree of post-cardiac arrest AKI in the resuscitated animals.
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Affiliation(s)
- Panagiota Niforopoulou
- National and Kapodistrian University of Athens, Medical School, 3A Parou st, Melissia, Athens 15127, Greece.
| | - Nicoletta Iacovidou
- National and Kapodistrian University of Athens, Medical School, 3 Pavlou Mela st, Athens 16233, Greece.
| | - Pavlos Lelovas
- National and Kapodistrian University of Athens, Medical School, Laboratory of Research of the Musculoskeletal System, 10 Athinas st, Kifissia, Athens 14561, Greece.
| | - George Karlis
- National and Kapodistrian University of Athens, Medical School, 45-47 Ypsilantou st, Athens 10676, Greece.
| | - Αpostolos Papalois
- Experimental-Research Centre, ELPEN Pharmaceutical Co. Inc., 95 Marathonos Ave, Pikermi, Athens 19009, Greece.
| | - Spyros Siakavellas
- National and Kapodistrian University of Athens, Medical School, Academic Department of Gastroenterology, Laikon General Hospital, 17 Aghiou Thoma st, Athens 11527, Greece.
| | - Vasileios Spapis
- Hippokrateion General Hospital of Athens, 114 Vassilissis Sofias Ave, Athens, 11527, Greece.
| | - George Kaparos
- Aretaieion University Hospital, Biopathology Department, 76 Vassilissis Sofias Ave, Athens 11528, Greece.
| | - Ioanna Siafaka
- National and Kapodistrian University of Athens, Medical School, Aretaieion University Hospital, 76 Vassilissis Sofias Ave, Athens 11528, Greece.
| | - Theodoros Xanthos
- European University of Cyprus, School of Medicine, 6 Diogenis str, Engomi, Nicosia 1516, Cyprus.
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Hamishehkar H, Sanaie S, Fattahi V, Mesgari M, Mahmoodpoor A. The Effect of Furosemide on the Level of Neutrophil Gelatinase-associated Lipocalin in Critically Hospitalized Patients with Acute Kidney Injury. Indian J Crit Care Med 2017; 21:442-447. [PMID: 28808364 PMCID: PMC5538092 DOI: 10.4103/ijccm.ijccm_93_17] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND AND AIMS Oliguric acute kidney injury (AKI), commonly attributed to a more severe degree of renal injury, is associated with poorer prognosis than nonoliguric form. The aim of this study was to determine the effect of furosemide therapy on kidney function and on the level of neutrophil gelatinase-associated lipocalin (NGAL) in critically hospitalized patients in the Intensive Care Unit (ICU). MATERIALS AND METHODS In this randomized controlled trial, 106 ICU patients with AKI were assigned into furosemide and control groups. In furosemide group, 40-80 mg of intravenous furosemide was administrated, followed by 1-5 mg/h furosemide infusion. In control group, patients received standard treatment. Serum and urinary NGAL were measured on the 1st, 3rd, and 7th days of the study. RESULTS The results of this study indicated that during the study, serum blood urea nitrogen levels of patients increased in both groups; this, however, was significant only in the control group (P = 0.009). Both plasma and urine NGAL decreased significantly (P < 0.05) in both groups. The findings of 28-day mortality follow-up revealed that 20% and 28% of patients died in the furosemide and the control groups, respectively. CONCLUSIONS NGAL was not found to reflect any positive or negative effects of Furosemide in patients with AKI.
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Affiliation(s)
- Hadi Hamishehkar
- Department of Clinical Pharmacy, Applied Drug Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sarvin Sanaie
- Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahid Fattahi
- Department of Anesthesiology and Intensive Care Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehran Mesgari
- Drug Applied Therapeutic Research Center, Radio Immunoassay Lab, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ata Mahmoodpoor
- Department of Anesthesiology and Intensive Care Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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Francoz C, Nadim MK, Durand F. Kidney biomarkers in cirrhosis. J Hepatol 2016; 65:809-824. [PMID: 27238754 DOI: 10.1016/j.jhep.2016.05.025] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Revised: 05/10/2016] [Accepted: 05/18/2016] [Indexed: 12/14/2022]
Abstract
Impaired renal function due to acute kidney injury (AKI) and/or chronic kidney diseases (CKD) is frequent in cirrhosis. Recurrent episodes of AKI may occur in end-stage cirrhosis. Differential diagnosis between functional (prerenal and hepatorenal syndrome) and acute tubular necrosis (ATN) is crucial. The concept that AKI and CKD represent a continuum rather than distinct entities, is now emerging. Not all patients with AKI have a potential for full recovery. Precise evaluation of kidney function and identification of kidney changes in patients with cirrhosis is central in predicting reversibility. This review examines current biomarkers for assessing renal function and identifying the cause and mechanisms of impaired renal function. When CKD is suspected, clearance of exogenous markers is the reference to assess glomerular filtration rate, as creatinine is inaccurate and cystatin C needs further evaluation. Recent biomarkers may help differentiate ATN from hepatorenal syndrome. Neutrophil gelatinase-associated lipocalin has been the most extensively studied biomarker yet, however, there are no clear-cut values that differentiate each of these conditions. Studies comparing ATN and hepatorenal syndrome in cirrhosis, do not include a gold standard. Combinations of innovative biomarkers are attractive to identify patients justifying simultaneous liver and kidney transplantation. Accurate biomarkers of underlying CKD are lacking and kidney biopsy is often contraindicated in this population. Urinary microRNAs are attractive although not definitely validated. Efforts should be made to develop biomarkers of kidney fibrosis, a common and irreversible feature of CKD, whatever the cause. Biomarkers of maladaptative repair leading to irreversible changes and CKD after AKI are also promising.
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Affiliation(s)
- Claire Francoz
- Hepatology and Liver Intensive Care, Hospital Beaujon, Clichy, France; University Paris VII Diderot, Paris, France; INSERM U1149, Paris, France; Département Hospitalo-Universitaire UNITY, Clichy, France.
| | - Mitra K Nadim
- Division of Nephrology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - François Durand
- Hepatology and Liver Intensive Care, Hospital Beaujon, Clichy, France; University Paris VII Diderot, Paris, France; INSERM U1149, Paris, France; Département Hospitalo-Universitaire UNITY, Clichy, France
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Au V, Feit J, Barasch J, Sladen RN, Wagener G. Urinary neutrophil gelatinase-associated lipocalin (NGAL) distinguishes sustained from transient acute kidney injury after general surgery. Kidney Int Rep 2016; 1:3-9. [PMID: 27610421 PMCID: PMC5012274 DOI: 10.1016/j.ekir.2016.04.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Introduction This prospective study tests the hypothesis that after general surgery urinary neutrophil gelatinase–associated lipocalin (NGAL) can distinguish between sustained acute kidney injury (AKI), typical of nephron damage, and transient AKI, commonly seen with hemodynamic variation and prerenal azotemia. Methods Urine was collected in 510 patients within 2 to 3 hours after general surgery, and urinary NGAL was determined using enzyme-linked immunosorbent assay. Patients who met AKIN stage 1 criteria of AKI were subclassified into those with sustained AKI (serum creatinine elevation for at least 3 days) and those with transient AKI (serum creatinine elevation for less than 3 days). Results Seventeen of 510 patients (3.3%) met the stage 1 AKIN criteria within 48 hours of surgery. Elevations in serum creatinine were sustained in 9 and transient in 8 patients. Urinary NGAL was significantly elevated only in patients with sustained AKI (204.8 ± 411.9 ng/dl); patients with transient AKI had urinary NGAL that was indistinguishable from that of patients who did not meet AKIN criteria at all (30.8 ± 36.5 ng/dl vs. 31.9 ± 113 ng/dl). The area under the curve of the receiver operating characteristic curve of urinary NGAL to predict sustained AKI was 0.85 (95% confidence interval: 0.773–0.929, P < 0.001). Discussion Urinary NGAL levels measured 2 to 3 hours after surgery were able to distinguish the kinetics of creatinine (sustained AKI vs. transient AKI) over the subsequent week. Transient AKI is an easily reversible state that is likely not associated with substantial tubular injury and therefore NGAL release. Using AKIN criteria, both transient and sustained AKI are classified as AKI even though our data demonstrate that they are possibly different entities.
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Affiliation(s)
- Valerie Au
- Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, New York
| | - Justin Feit
- Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, New York
| | - Jonathan Barasch
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
| | - Robert N Sladen
- Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, New York
| | - Gebhard Wagener
- Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, New York
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Krzeminska E, Wyczalkowska-Tomasik A, Korytowska N, Paczek L. Comparison of Two Methods for Determination of NGAL Levels in Urine: ELISA and CMIA. J Clin Lab Anal 2016; 30:956-960. [PMID: 27075972 DOI: 10.1002/jcla.21962] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Revised: 01/21/2016] [Accepted: 01/23/2016] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Neutrophil gelatinase-associated lipocalin (NGAL) is a new useful biomarker for the early diagnosis of acute kidney injury. The aim of the study was to compare two analytical methods for measurement of urinary NGAL: enzyme-linked immunosorbent assay (ELISA) and chemiluminescent microparticle immunoassay (CMIA). METHODS Two assays were used to measure urinary NGAL: ELISA kit (R&D Systems) and ARCHITECT Urine NGAL (Abbott Laboratories). The study material was the urine obtained from 30 healthy subjects (mean age 56.4 ± 15.2). RESULTS The median value and interquantile range of urinary NGAL in the studied group measured by ELISA (R&D Systems) were 3.5 ng/ml (1.2; 6.6) and by CMIA (ARCHITECT Urine NGAL assay, Abbott Diagnostics) were 4.4 ng/ml (1.9; 9.4). Levels of urinary NGAL obtained by CMIA were significantly higher than by ELISA. There was a significant positive correlation between the concentration of urinary NGAL determined by both methods (r = 0.8625, P < 0.01). CONCLUSION The comparison of individual data obtained by ELISA and CMIA should be taken with care. From laboratory's point of view, ELISA is less expensive than CMIA method for the determination of NGAL in urine. However, CMIA method allows rapid determination of urinary NGAL concentration through automated assay.
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Affiliation(s)
- E Krzeminska
- Department of Immunology, Transplantology and Internal Diseases, Transplantation Institute, Medical University of Warsaw, Warsaw, Poland.,Department of Bioanalysis and Drugs Analysis, Faculty of Pharmacy, Medical University of Warsaw, Warsaw, Poland
| | - A Wyczalkowska-Tomasik
- Department of Immunology, Transplantology and Internal Diseases, Transplantation Institute, Medical University of Warsaw, Warsaw, Poland
| | - N Korytowska
- Department of Immunology, Transplantology and Internal Diseases, Transplantation Institute, Medical University of Warsaw, Warsaw, Poland.,Department of Bioanalysis and Drugs Analysis, Faculty of Pharmacy, Medical University of Warsaw, Warsaw, Poland
| | - L Paczek
- Department of Immunology, Transplantology and Internal Diseases, Transplantation Institute, Medical University of Warsaw, Warsaw, Poland.
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Nayak NM, Madhumitha S, Annigeri RA, Venkataraman R, Balasubramaian S, Seshadri R, Vadamalai V, Rao BS, Kowdle PC, Ramakrishnan N, Mani MK. Clinical utility of urine neutrophil gelatinase-associated lipocalin measured at admission to predict outcomes in heterogeneous population of critically ill patients. Indian J Nephrol 2016; 26:119-24. [PMID: 27051136 PMCID: PMC4795427 DOI: 10.4103/0971-4065.157800] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Urine neutrophil gelatinase-associated lipocalin (uNGAL) is a reliable early biomarker of acute kidney injury (AKI) in a homogeneous patient population. However, its utility in a heterogeneous population of critically ill, in whom the time of onset of renal insult is often unclear, is not clearly established. We evaluated the ability of a single measurement of uNGAL in a heterogeneous adult population, on admission to intensive care unit (ICU), to predict the occurrence of AKI and hospital mortality. One hundred and two consecutive adult patients had uNGAL measured within 8 h of admission to ICU. The demographic and laboratory data were collected at admission. The diagnosis of AKI was based on AKI Network (AKIN) criteria. The primary outcome was the development of AKI, and the secondary outcome was hospital mortality. The mean age was 54 ± 16.4 years and 65% were males. Urine NGAL (ng/ml) was 69 ± 42 in patients with AKI (n = 42) and 30.4 ± 41.7 in those without AKI (P < 0.001). The area under the receiver operating characteristic (ROC) curve for prediction of AKI was 0.79 and for serum creatinine (SCr) was 0.88. The sensitivity and specificity for a cut-off value of uNGAL of 75 ng/ml to predict AKI were 0.5 and 0.85 respectively. uNGAL > 75 ng/ml was a strong (odd ratio = 5.17, 95% confidence interval: 1.39–19.3) and independent predictor of hospital mortality. A single measurement of uNGAL at admission to ICU exhibited good predictive ability for AKI though the sensitivity was low. The predictive ability of uNGAL was inferior to simultaneously measured SCr at admission, hence limited its clinical utility to predict AKI. However, admission uNGAL was a strong, independent predictor of hospital mortality.
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Affiliation(s)
- N M Nayak
- Department of Nephrology, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - S Madhumitha
- Department of Nephrology, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - R A Annigeri
- Department of Nephrology, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - R Venkataraman
- Department of Critical Care Medicine, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - S Balasubramaian
- Department of Nephrology, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - R Seshadri
- Department of Nephrology, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - V Vadamalai
- Department of Nephrology, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - B S Rao
- Department of Nephrology, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - P C Kowdle
- Department of Nephrology, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - N Ramakrishnan
- Department of Critical Care Medicine, Apollo Hospitals, Chennai, Tamil Nadu, India
| | - M K Mani
- Department of Nephrology, Apollo Hospitals, Chennai, Tamil Nadu, India
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Jankowski J, Schanstra JP, Mischak H. Body fluid peptide and protein signatures in diabetic kidney diseases. Nephrol Dial Transplant 2016. [PMID: 26209737 DOI: 10.1093/ndt/gfv091] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Body fluid protein-based biomarkers carry the hope of improving patient management in diabetes by enabling more accurate and earlier detection of diabetic kidney disease (DKD), but also of defining the most suitable therapeutic targets. We present the data on some of the best studied individual protein markers in body fluids and conclude that their potential in clinical application for assessing DKD is moderate. Proteome-based approaches aiming at the identification of panels of body fluid biomarkers might be a valid alternative. We discuss the past (first) clinical proteomics studies in DKD, stressing their drawbacks but also the lessons that could be learned from them, as well as the more recent studies that have a potential for actual clinical implementation. We also highlight relevant issues and current problems associated with clinical proteomics from discovery towards application, and give suggestions for solutions that may help guiding proteomic studies, thereby removing some of the current hurdles for implementation of potentially beneficial results.
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Affiliation(s)
- Joachim Jankowski
- Universitätsklinikum RWTH Aachen, Institute of Molecular Cardiovascular Research, Aachen, Germany
| | - Joost P Schanstra
- Institut National de la Santé et de la Recherche Médicale (INSERM), U1048, Institute of Cardiovascular and Metabolic Disease, Toulouse, France Université Toulouse III Paul-Sabatier, Toulouse, France
| | - Harald Mischak
- Mosaiques Diagnostics & Therapeutics, Hannover, Germany BHF Glasgow Cardiovascular Research Centre, Institute of Cardiovascular and Medical Sciences, Faculty of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
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Ghasemi K, Esteghamati M, Borzoo S, Parvaneh E, Borzoo S. Predictive Accuracy of Urinary neutrophil gelatinase associated lipocalin (NGAL) for renal parenchymal involvement in Children with Acute Pyelonephritis. Electron Physician 2016; 8:1911-7. [PMID: 27053998 PMCID: PMC4821304 DOI: 10.19082/1911] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 09/04/2015] [Indexed: 01/21/2023] Open
Abstract
Introduction Urinary tract infections (UTIs) are among the most prevalent infections in children and infants. Early and accurate detection of renal parenchymal involvement in UTI is necessary for decision making and determining treatment strategies. The aim of this study was to determine the predictive accuracy of urinary neutrophil gelatinase-associated lipocalin (NGAL) for renal parenchymal involvement in children with acute pyelonephritis. Methods This descriptive, cross-sectional study was conducted in 2014 on children who had been diagnosed with UTI. Children who were admitted to Koodakan Hospital in Bandar Abbas, Hormozgan Province, Iran, and whose ages ranged from two months to 14 years were enrolled in the study. Urine samples were taken to conduct urinary NGAL tests, urine cultures, and urinalyses. In addition, some blood samples were collected for the purpose of determining leukocyte count and C-reactive protein (CRP) and to conduct erythrocyte sedimentation rate (ESR) tests. All patients underwent a dimercaptosuccinic acid (DMSA) scan. SPSS software was used to analyze the data. Results Among the participants in the study, 29 were male (32%), and 60 were female (68%). The mean age of the children who participated in the study was 2.99 ± 2.94 years. The results of the Kruskal-Wallis test showed a significant increase in the urinary NGAL level, an increase in the CRP level, and higher DMSA scan grades (p < 0.001). The cutoff point amounted to > 5 mg/l, having the negative predictive value (NPV) of 76.3%, the specificity of 97.83%, the positive predictive value (PPV) of 96.7%, and the sensitivity of 67.4%. Conclusion Urinary NGAL is not sensitive enough for the prediction of renal parenchymal involvement, but it is a specific marker.
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Affiliation(s)
- Kambiz Ghasemi
- M.D., Assistant Professor, Department of Pediatric Nephrology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Maryam Esteghamati
- M.D., Assistant Professor, Department of Pediatric Nephrology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Sara Borzoo
- M.D., Pediatric Resident, Department of Pediatrics, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Erfan Parvaneh
- Medical Student, Department of Pediatrics, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Samira Borzoo
- M.Sc., Rehabilitation Administration, MPH Student of Health Policy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Abstract
PURPOSE OF REVIEW Chronic kidney disease (CKD) is a well-known risk factor for cardiovascular disease (CVD). Renal biomarkers might be valuable in predicting CVD. Investigation of these biomarkers may uncover some of the poorly understood mechanisms that link renal and CVD as well as aid in the modification of disease and serve as a useful tool in diagnosing early disease and monitoring therapeutic responses. In this review we discuss the clinical utility of emerging and known renal biomarkers in predicting CVD. RECENT FINDINGS Prior to adopting a biomarker into routine clinical practice, evidence-based laboratory medicine requires optimal technical and analytical performance, which is a prerequisite to have confidence in the result. Furthermore, an ideal biomarker should have evidence of its utility in predicting clinical, therapeutic and other health outcomes as well as proving its organizational impact and cost-effectiveness. The renal biomarkers that have been associated with CVD include cystatin C as a better marker of glomerular filtration than creatinine, albuminuria, neutrophil gelatinase associated lipocalin, a marker of acute kidney injury, fibroblast growth factor-23 and parathyroid hormone. Only urine albumin has been adopted into routine clinical practice. SUMMARY Of all the renal biomarkers, only albumin is clearly associated with CVD. The other biomarkers are earlier in clinical development and the evidence base for their clinical utility needs to be expanded substantially before they can be adopted into routine practice.
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Lohkamp LN, Öllinger R, Chatzigeorgiou A, Illigens BMW, Siepmann T. Intraoperative biomarkers in renal transplantation. Nephrology (Carlton) 2016; 21:188-99. [DOI: 10.1111/nep.12556] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/29/2015] [Indexed: 12/11/2022]
Affiliation(s)
- Laura-Nanna Lohkamp
- Department of Neurosurgery with Pediatric Neurosurgery; Charité-University Medicine, Campus Virchow; Berlin Germany
- Center for Clinical Research and Management Education; Division of Health Care Sciences; Dresden International University; Dresden Germany
| | - Robert Öllinger
- Department for General, Visceral and Transplantation Surgery; Charité-University Medicine, Campus Virchow; Berlin Germany
| | - Antonios Chatzigeorgiou
- Department of Clinical Pathobiochemistry; Medical Faculty Carl Gustav Carus Technische Universität Dresden; Dresden Germany
- Paul-Langerhans Institute Dresden; German Center for Diabetes Research; Dresden Germany
| | - Ben Min-Woo Illigens
- Center for Clinical Research and Management Education; Division of Health Care Sciences; Dresden International University; Dresden Germany
- Department of Neurology; University Hospital Carl Gustav Carus Technische Universität Dresden; Dresden Germany
| | - Timo Siepmann
- Center for Clinical Research and Management Education; Division of Health Care Sciences; Dresden International University; Dresden Germany
- Department of Neurology; Beth Israel Deaconess Medical Center; Harvard Medical School; Boston Massachusetts USA
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50
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Koopmans LC, van Wolfswinkel ME, Hesselink DA, Hoorn EJ, Koelewijn R, van Hellemond JJ, van Genderen PJJ. Acute kidney injury in imported Plasmodium falciparum malaria. Malar J 2015; 14:523. [PMID: 26702815 PMCID: PMC4690233 DOI: 10.1186/s12936-015-1057-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Accepted: 12/17/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Acute kidney injury (AKI) is a known complication of malaria, and is reported to occur in up to 40% of adult patients with a severe Plasmodium falciparum infection in endemic regions. To gain insight in the incidence and risk factors of AKI in imported P. falciparum malaria, a retrospective analysis was performed on a large cohort of mostly non-immune patients with imported P. falciparum malaria. Aiming to include not only severe but also milder forms of renal failure, the KDIGO criteria were used to define AKI. METHODS Clinical and laboratory data from 485 consecutive cases of imported P. falciparum malaria were extracted from the Rotterdam Malaria Cohort database. Acute kidney injury (AKI) was defined using the KDIGO criteria. Univariate and multivariate logistic regression analyses were used to identify risk factors for AKI. RESULTS AKI was seen in 39 (8%) of all patients and in 23 (38%) of the 61 patients with severe malaria. Eight patients eventually needed renal replacement therapy (RRT); seven of them already had AKI at presentation. Higher age, higher leucocyte count and thrombocytopaenia were independently-associated with AKI but their positive predictive values were relatively poor. CONCLUSION AKI was found to be a common complication in adults with imported P. falciparum necessitating RRT in only a small minority of patients. The use of the KDIGO staging allows early recognition of a decline in renal function.
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Affiliation(s)
- Liese C Koopmans
- Institute for Tropical Diseases, Harbour Hospital, Haringvliet 2, 3011 TD, Rotterdam, The Netherlands.
| | - Marlies E van Wolfswinkel
- Institute for Tropical Diseases, Harbour Hospital, Haringvliet 2, 3011 TD, Rotterdam, The Netherlands. .,Department of Medical Microbiology and Infectious Diseases, Erasmus MC, Rotterdam, The Netherlands.
| | - Dennis A Hesselink
- Department of Internal Medicine, Erasmus MC, Rotterdam, The Netherlands.
| | - Ewout J Hoorn
- Department of Internal Medicine, Erasmus MC, Rotterdam, The Netherlands.
| | - Rob Koelewijn
- Department of Medical Microbiology and Infectious Diseases, Erasmus MC, Rotterdam, The Netherlands.
| | - Jaap J van Hellemond
- Department of Medical Microbiology and Infectious Diseases, Erasmus MC, Rotterdam, The Netherlands.
| | - Perry J J van Genderen
- Institute for Tropical Diseases, Harbour Hospital, Haringvliet 2, 3011 TD, Rotterdam, The Netherlands.
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