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John JS, Deepthi RV, Rebekah G, Prabhu SB, Ajitkumar P, Mathew G, Agarwal I. Usefulness of urinary calprotectin as a novel marker differentiating functional from structural acute kidney injury in the critical care setting. J Nephrol 2023; 36:695-704. [PMID: 36809659 DOI: 10.1007/s40620-022-01534-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 11/20/2022] [Indexed: 02/23/2023]
Abstract
BACKGROUND Biomarkers are fundamental tools for differentiating between types of acute kidney injury (AKI) and may thus be crucial in management and prognosis. We report on a recently described biomarker, calprotectin, that appears to be a promising candidate in differentiating hypovolemic/functional AKI from intrinsic/structural AKI, whose acknowledgement may play a role in improving outcomes. We aimed to study the efficacy of urinary calprotectin in differentiating these two forms of AKI. The effect of fluid administration on the subsequent clinical course of AKI, its severity and the outcomes were also studied. METHODOLOGY Children who presented with conditions predisposing to AKI or with diagnosis of AKI were included. Urine samples for calprotectin analysis were collected and stored at - 20 ºC for analysis at the end of the study. Fluids were administered as per clinical conditions, followed by intravenous furosemide 1 mg/kg, and patients were observed closely for at least 72 h. Children with serum creatinine normalization and clinical improvement were classified as with functional AKI, while those with no response were classified as with structural AKI. Urine calprotectin levels between these two groups were compared. Statistical analysis was performed with SPSS 21.0 software. RESULTS Of the 56 children enrolled, 26 were classified as with functional AKI and 30 as with structural AKI. Stage 3 AKI was observed in 48.2% of patients and stage 2 AKI in 33.8%. Mean urine output, creatinine and stage of AKI improved with fluid and furosemide or furosemide alone (OR 6.08, 95% CI 1.65-27.23) (p < 0.01). A positive response to fluid challenge was in favor of functional AKI (OR 6.08, 95% CI 1.65-27.23) (p = 0.008). Presence of edema, sepsis and need for dialysis were hallmarks of structural AKI (p < 0.05). Urine calprotectin/creatinine values were 6 times higher in structural AKI compared to functional AKI. Urine calprotectin/creatinine ratio showed the best sensitivity (63.3%) and specificity (80.7%) at a cut-off value of 1 mcg/mL in differentiating the two types of AKI. CONCLUSION Urinary calprotectin is a promising biomarker that may help differentiating structural from functional AKI in children.
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Affiliation(s)
- Jomol Sara John
- Christian Medical College and Hospital, Christian Medical College Vellore, Vellore, Tamil Nadu, India
| | - R V Deepthi
- Christian Medical College and Hospital, Christian Medical College Vellore, Vellore, Tamil Nadu, India
| | - Grace Rebekah
- Christian Medical College and Hospital, Christian Medical College Vellore, Vellore, Tamil Nadu, India
| | - Savit B Prabhu
- Christian Medical College and Hospital, Christian Medical College Vellore, Vellore, Tamil Nadu, India
| | - P Ajitkumar
- Christian Medical College and Hospital, Christian Medical College Vellore, Vellore, Tamil Nadu, India
| | - Georgie Mathew
- Christian Medical College and Hospital, Christian Medical College Vellore, Vellore, Tamil Nadu, India
| | - Indira Agarwal
- Christian Medical College and Hospital, Christian Medical College Vellore, Vellore, Tamil Nadu, India.
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Abstract
An increased intraabdominal pressure, particularly when occurring during periods of hemodynamic instability or fluid overload, is regarded as a major contributor to acute kidney injury (AKI) in intensive care units. During abdominal laparoscopic procedures, intraoperative insufflation pressures up to 15 mmHg are applied, to enable visualization and surgical manipulation but with the potential to compromise net renal perfusion. Despite the widely acknowledged renal arterial autoregulation, net arterial perfusion pressure is known to be narrow, and the effective renal medullary perfusion is disproportionately impacted by venous and lymphatic congestion. At present, the potential risk factors, mitigators and risk-stratification of AKI during surgical pneumoperitoneum formation received relatively limited attention among nephrologists and represent an opportunity to look beyond mere blood pressure and intake-output balances. Careful charting and reporting duration and extent of surgical pneumoperitoneum represents an opportunity for anesthesia teams to better communicate intraoperative factors affecting renal outcomes for the postoperative clinical teams. In this current article, the authors are integrating preclinical data and clinical experience to provide a better understanding to optimize renal perfusion during surgeries. Future studies should carefully consider intrabdominal insufflation pressure as a key variable when assessing outcomes and blood pressure goals in these settings.
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Seibert FS, Heringhaus A, Pagonas N, Rudolf H, Rohn B, Bauer F, Timmesfeld N, Trappe HJ, Babel N, Westhoff TH. Biomarkers in the prediction of contrast media induced nephropathy - the BITCOIN study. PLoS One 2020; 15:e0234921. [PMID: 32673348 PMCID: PMC7365403 DOI: 10.1371/journal.pone.0234921] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 06/04/2020] [Indexed: 12/20/2022] Open
Abstract
Background Subjects with chronic kidney disease are at increased risk for contrast-induced acute kidney injury (CI-AKI). Risk stratification is traditionally based on glomerular filtration rate (GFR) and proteinuria. The present trial examines, whether tubular and inflammatory biomarkers are able to identify subjects at increased risk as well. Methods We performed a prospective study in 490 patients undergoing coronary angiography. An increase of serum creatinine concentration ≥ 0.3 mg/dl from baseline to day 2–3 was defined as primary endpoint (CI-AKI). Urinary neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1), and calprotectin were assessed < 24h before coronary angiography. Prognostic accuracy was assessed by receiver operating characteristics (ROC) calculations. Results 30 (6.1%) patients suffered from CI-AKI (27 AKIN stage I, 3 AKIN stage II, 0 AKIN stage III). Those subjects who developed CI-AKI had 3.1 fold higher baseline urinary NGAL/creatinine ratios than those without CI-AKI (60.8 [IQR 18.7–93.1] μg/mg vs. 19.9 [IQR 12.3–38.9] μg/mg, p = 0.001). In those subjects without clinically overt CKD (eGFR > 60 ml/min, urinary albumin creatinine ratio <30 mg/g), the NGAL/creatinine ratio was 2.6 higher in CI-AKI vs. no CI-AKI (47.8 [IQR 11.8–75.3] vs. 18.6 [IQR 11.7–36.3] μg/mg). No significant differences were obtained for KIM-1 and calprotectin (p>0.05 each). ROC analyses revealed an area under the curve (AUC) of 0.68 (95% CI 0.60–0.81) for NGAL/creatinine. An NGAL/creatinine ratio < 56.4 μg/mg has a negative predictive value of 96.5%. Conclusions The present study is the largest investigation on the use of urinary biomarkers for CI-AKI risk stratification so far. It shows that NGAL provides prognostic information beyond the glomerular biomarkers eGFR and proteinuria.
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Affiliation(s)
- Felix S. Seibert
- Department of Nephrology, University Hospital Marien Hospital Herne, Ruhr-University of Bochum, Herne, Germany
- * E-mail:
| | - Anja Heringhaus
- Department of Nephrology, University Hospital Marien Hospital Herne, Ruhr-University of Bochum, Herne, Germany
| | - Nikolaos Pagonas
- Department for Angiology, Centre for Internal Medicine I, Brandenburg Medical School Theodor Fontane, Brandenburg, Germany
| | - Henrik Rudolf
- Department of Medical Informatics, Biometry & Epidemiology, Ruhr-University of Bochum, Herne, Germany
| | - Benjamin Rohn
- Department of Nephrology, University Hospital Marien Hospital Herne, Ruhr-University of Bochum, Herne, Germany
| | - Frederic Bauer
- Department of Nephrology, University Hospital Marien Hospital Herne, Ruhr-University of Bochum, Herne, Germany
| | - Nina Timmesfeld
- Department of Medical Informatics, Biometry & Epidemiology, Ruhr-University of Bochum, Herne, Germany
| | - Hans-Joachim Trappe
- Department of Cardiology, University Hospital Marien Hospital Herne, Ruhr-University of Bochum, Herne, Germany
| | - Nina Babel
- Department of Nephrology, University Hospital Marien Hospital Herne, Ruhr-University of Bochum, Herne, Germany
| | - Timm H. Westhoff
- Department of Nephrology, University Hospital Marien Hospital Herne, Ruhr-University of Bochum, Herne, Germany
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Ebbing J, Menzel F, Frumento P, Miller K, Ralla B, Fuller TF, Busch J, Collins JW, Adding C, Seifert HH, Ardelt P, Wetterauer C, Westhoff T, Kempkensteffen C. Outcome of kidney function after ischaemic and zero-ischaemic laparoscopic and open nephron-sparing surgery for renal cell cancer. BMC Nephrol 2019; 20:40. [PMID: 30717692 PMCID: PMC6362593 DOI: 10.1186/s12882-019-1215-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 01/16/2019] [Indexed: 01/20/2023] Open
Abstract
Background Nephron-sparing surgery (NSS) remains gold standard for the treatment of localised renal cell cancer (RCC), even in case of a normal contralateral kidney. Compared to radical nephrectomy, kidney failure and cardiovascular events are less frequent with NSS. However, the effects of different surgical approaches and of zero ischaemia on the postoperative reduction in renal function remain controversial. We aimed to investigate the relative short- and long-term changes in estimated glomerular filtration rate (eGFR) after ischaemic or zero-ischaemic open (ONSS) and laparoscopic NSS (LNSS) for RCC, and to analyse prognostic factors for postoperative acute kidney injury (AKI) and chronic kidney disease (CKD) stage ≥3. Methods Data of 444 patients (211 LNSS, 233 ONSS), including 57 zero-ischaemic cases, were retrospectively analysed. Multiple regression models were used to predict relative changes in renal function. Natural cubic splines were used to demonstrate the association between ischaemia time (IT) and relative changes in renal function. Results IT was identified as significant risk factor for short-term relative changes in eGFR (ß = − 0.27) and development of AKI (OR, 1.02), but no effect was found on long-term relative changes in eGFR. Natural cubic splines revealed that IT had a greater effect on patients with baseline eGFR categories ≥G3 concerning short-term decrease in renal function and development of AKI. Unlike LNSS, ONSS was significantly associated with short-term decrease in renal function (ß = − 13.48) and development of AKI (OR, 3.87). Tumour diameter was associated with long-term decrease in renal function (ß = − 1.76), whereas baseline eGFR was a prognostic factor for both short- (ß = − 0.20) and long-term (ß = − 0.29) relative changes in eGFR and the development of CKD stage ≥3 (OR, 0.89). Conclusions IT is a significant risk factor for AKI. The short-term effect of IT is not always linear, and the impact also depends on baseline eGFR. Unlike LNSS, ONSS is associated with the development of AKI. Our findings are helpful for surgical planning, and suggest either the application of a clampless NSS technique or at least the shortest possible IT to reduce the risk of short-time impairment of the renal function, which might prevent AKI, particularly regarding patients with baseline eGFR category ≥G3.
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Affiliation(s)
- Jan Ebbing
- University Hospital Basel, Urological University Clinic Basel-Liestal, Spitalstrasse 21, 4051, Basel, Switzerland. .,Department of Urology, Karolinska - University Hospital, Solna, Stockholm, Sweden.
| | - Felix Menzel
- Department of Urology, Charité - University Hospital, Berlin, Germany
| | - Paolo Frumento
- Karolinska Institutet, Unit of Biostatistics, Institute of Environmental Medicine (IMM), Stockholm, Sweden
| | - Kurt Miller
- Department of Urology, Charité - University Hospital, Berlin, Germany
| | - Bernhard Ralla
- Department of Urology, Charité - University Hospital, Berlin, Germany
| | | | - Jonas Busch
- Department of Urology, Charité - University Hospital, Berlin, Germany
| | - Justin William Collins
- Department of Molecular Medicine and Surgery (MMK), Karolinska Institutet, Stockholm, Sweden
| | - Christofer Adding
- Department of Molecular Medicine and Surgery (MMK), Karolinska Institutet, Stockholm, Sweden
| | - Hans Helge Seifert
- University Hospital Basel, Urological University Clinic Basel-Liestal, Spitalstrasse 21, 4051, Basel, Switzerland
| | - Peter Ardelt
- University Hospital Basel, Urological University Clinic Basel-Liestal, Spitalstrasse 21, 4051, Basel, Switzerland
| | - Christian Wetterauer
- University Hospital Basel, Urological University Clinic Basel-Liestal, Spitalstrasse 21, 4051, Basel, Switzerland
| | - Timm Westhoff
- Marien Hospital Herne - University Clinic of the Ruhr-University Bochum, Medical Clinic I, Herne, Germany
| | - Carsten Kempkensteffen
- Department of Urology, Charité - University Hospital, Berlin, Germany.,Department of Urology, Franziskus Hospital Berlin, Berlin, Germany
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Chen JJ, Fan PC, Kou G, Chang SW, Chen YT, Lee CC, Chang CH. Meta-Analysis: Urinary Calprotectin for Discrimination of Intrinsic and Prerenal Acute Kidney Injury. J Clin Med 2019; 8:jcm8010074. [PMID: 30634660 PMCID: PMC6352097 DOI: 10.3390/jcm8010074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 01/06/2019] [Accepted: 01/07/2019] [Indexed: 12/28/2022] Open
Abstract
Background: Urinary calprotectin is a novel biomarker that distinguishes between intrinsic or prerenal acute kidney injury (AKI) in different studies. However, these studies were based on different populations and different AKI criteria. We evaluated the diagnostic accuracy of urinary calprotectin and compared its diagnostic performance in different AKI criteria and study populations. Method: In accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, we searched PubMed, Embase, and the Cochrane database up to September 2018. The diagnostic performance of urinary calprotectin (sensitivity, specificity, predictive ratio, and cutoff point) was extracted and evaluated. Result: This study included six studies with a total of 502 patients. The pooled sensitivity and specificity were 0.90 and 0.93, respectively. The pooled positive likelihood ratio (LR) was 15.15, and the negative LR was 0.11. The symmetric summary receiver operating characteristic (symmetric SROC) with pooled diagnostic accuracy was 0.9667. The relative diagnostic odds ratio (RDOC) of the adult to pediatric population and RDOCs of different acute kidney injury criteria showed no significant difference in their diagnostic accuracy. Conclusion: Urinary calprotectin is a good diagnostic tool for the discrimination of intrinsic and prerenal AKI under careful inspection after exclusion of urinary tract infection and urogenital malignancies. Its performance is not affected by different AKI criteria and adult or pediatric populations.
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Affiliation(s)
- Jia-Jin Chen
- Department of Nephrology, Kidney Research Center, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
| | - Pei-Chun Fan
- Department of Nephrology, Kidney Research Center, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
- Graduate Institute of Clinical Medical Science, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
| | - George Kou
- Department of Nephrology, Kidney Research Center, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
| | - Su-Wei Chang
- Clinical Informatics and Medical Statistics Research Center, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
| | - Yi-Ting Chen
- Department of Nephrology, Kidney Research Center, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
- Department of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
| | - Cheng-Chia Lee
- Department of Nephrology, Kidney Research Center, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
- Graduate Institute of Clinical Medical Science, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
| | - Chih-Hsiang Chang
- Department of Nephrology, Kidney Research Center, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
- Graduate Institute of Clinical Medical Science, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan.
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Bauer F, Wald J, Bauer F, Dahlkamp L, Seibert F, Pagonas N, Gedat E, Babel N, Zidek W, von Bodman C, Noldus J, Liermann D, Westhoff T. Detection of Acute Tubular Necrosis Using Blood Oxygenation Level-Dependent (BOLD) MRI. Kidney Blood Press Res 2017; 42:1078-1089. [DOI: 10.1159/000485600] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Accepted: 10/26/2017] [Indexed: 11/19/2022] Open
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Chatzopoulos A, Tzani AI, Doulamis IP, Konstantopoulos PS, Birmpa D, Verikokos C, Tentolouris N, Karatzas G, Perrea DN. Dynamic changes in calprotectin and its correlation with traditional markers of oxidative stress in patients with acute ischemic stroke. Hellenic J Cardiol 2017; 58:456-458. [DOI: 10.1016/j.hjc.2017.07.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 06/30/2017] [Accepted: 07/03/2017] [Indexed: 01/18/2023] Open
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Nakashige TG, Zygiel EM, Drennan CL, Nolan EM. Nickel Sequestration by the Host-Defense Protein Human Calprotectin. J Am Chem Soc 2017; 139:8828-8836. [PMID: 28573847 PMCID: PMC5754018 DOI: 10.1021/jacs.7b01212] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The human innate immune protein calprotectin (CP, S100A8/S100A9 oligomer, calgranulin A/calgranulin B oligomer, MRP-8/MRP-14 oligomer) chelates a number of first-row transition metals, including Mn(II), Fe(II), and Zn(II), and can withhold these essential nutrients from microbes. Here we elucidate the Ni(II) coordination chemistry of human CP. We present a 2.6-Å crystal structure of Ni(II)- and Ca(II)-bound CP, which reveals that CP binds Ni(II) ions at both its transition-metal-binding sites: the His3Asp motif (site 1) and the His6 motif (site 2). Further biochemical studies establish that coordination of Ni(II) at the hexahistidine site is thermodynamically preferred over Zn(II). We also demonstrate that CP can sequester Ni(II) from two human pathogens, Staphylococcus aureus and Klebsiella pneumoniae, that utilize this metal nutrient during infection, and inhibit the activity of the Ni(II)-dependent enzyme urease in bacterial cultures. In total, our findings expand the biological coordination chemistry of Ni(II)-chelating proteins in nature and provide a foundation for evaluating putative roles of CP in Ni(II) homeostasis at the host-microbe interface and beyond.
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Affiliation(s)
- Toshiki G. Nakashige
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, United States
| | - Emily M. Zygiel
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, United States
| | - Catherine L. Drennan
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, United States
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, United States
- Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, MA 02139, United States
| | - Elizabeth M. Nolan
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, United States
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Schrezenmeier EV, Barasch J, Budde K, Westhoff T, Schmidt-Ott KM. Biomarkers in acute kidney injury - pathophysiological basis and clinical performance. Acta Physiol (Oxf) 2017; 219:554-572. [PMID: 27474473 DOI: 10.1111/apha.12764] [Citation(s) in RCA: 205] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 04/06/2016] [Accepted: 07/26/2016] [Indexed: 12/12/2022]
Abstract
Various biomarkers of acute kidney injury (AKI) have been discovered and characterized in the recent past. These molecules can be detected in urine or blood and signify structural damage to the kidney. Clinically, they are proposed as adjunct diagnostics to serum creatinine and urinary output to improve the early detection, differential diagnosis and prognostic assessment of AKI. The most obvious requirements for a biomarker include its reflection of the underlying pathophysiology of the disease. Hence, a biomarker of AKI should derive from the injured kidney and reflect a molecular process intimately connected with tissue injury. Here, we provide an overview of the basic pathophysiology, the cellular sources and the clinical performance of the most important currently proposed biomarkers of AKI: neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1), liver-type fatty acid-binding protein (L-FABP), interleukin-18 (IL-18), insulin-like growth factor-binding protein 7 (IGFBP7), tissue inhibitor of metalloproteinase 2 (TIMP-2) and calprotectin (S100A8/9). We also acknowledge each biomarker's advantages and disadvantages as well as important knowledge gaps and perspectives for future studies.
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Affiliation(s)
- E. V. Schrezenmeier
- Department of Nephrology; Charité - Universitätsmedizin Berlin; Berlin Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association; Berlin Germany
| | - J. Barasch
- Division of Nephrology; Columbia University College of Physicians and Surgeons; New York NY USA
| | - K. Budde
- Department of Nephrology; Charité - Universitätsmedizin Berlin; Berlin Germany
| | - T. Westhoff
- Medical Department I; Universitätsklinikum Marien Hospital Herne; Ruhr University of Bochum; Bochum Germany
| | - K. M. Schmidt-Ott
- Department of Nephrology; Charité - Universitätsmedizin Berlin; Berlin Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association; Berlin Germany
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