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Pre-Operative Factors Associated with the Occurrence of Acute Kidney Injury in Patients Aged 65 Years and Over Undergoing Non-Ambulatory Non-Cardiac Surgery. Healthcare (Basel) 2022; 10:healthcare10030558. [PMID: 35327036 PMCID: PMC8955534 DOI: 10.3390/healthcare10030558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 03/02/2022] [Accepted: 03/10/2022] [Indexed: 12/04/2022] Open
Abstract
This study sought to identify risk factors for acute kidney injury (AKI) from pre-operative variables in a population of subjects aged over 65. Eligible patients were aged 65 years or over who underwent scheduled non-cardiac, non-ambulatory surgery. Patients with a diagnosis of AKI recorded in the hospital’s databases were considered since cases, from which 300 patients with no diagnosis of AKI, were drawn at random as controls. In total, 81 cases of post-operative AKI and 239 controls were identified. The incidence of post-operative AKI was 2.87%. Pre-operative creatinine level (p = 0.0001), a history of respiratory insufficiency (p = 0.04), prior vascular surgery (p = 0.0001) and abdominal surgery (p = 0.03) were associated with an increased risk of AKI after surgery. These four variables calculated a score and developed a nomogram for predicting occurrence of post-operative AKI. A history of renal disease was associated with increased risk of post-operative AKI, predominantly in cases of vascular or abdominal surgery.
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McNair ED, Bezaire J, Moser M, Mondal P, Conacher J, Franczak A, Sawicki G, Reid D, Khani-Hanjani A. The Association of Matrix Metalloproteinases With Acute Kidney Injury Following CPB-Supported Cardiac Surgery. Can J Kidney Health Dis 2021; 8:20543581211019640. [PMID: 34350005 PMCID: PMC8287351 DOI: 10.1177/20543581211019640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 04/19/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Cardiac surgery-associated acute kidney injury (AKI) is an adverse outcome that increases morbidity and mortality in patients undergoing cardiac surgical procedures. To date, the use of serum creatinine levels as an early indicator of AKI has limitations because of its slow rise and poor predictive accuracy for renal injury. This delay in diagnosis may lead to prolonged initiation in treatment and increased risk for adverse outcomes. OBJECTIVE This pilot study explores serum and urine matrix metalloproteinases (MMPs)-2 and MMP-9 and their association, and potentially earlier detection of AKI in patients following cardiopulmonary bypass (CPB)-supported cardiac surgery. We hypothesize that increased activity of serum and urine levels MMP-2 and/ or MMP-9 are associated with AKI. Furthermore, MMP-2 and/ or MMP-9 may provide earlier identification of AKI as compared with serum levels of creatinine. METHODS During the study period, there were 150 CPB-supported surgeries, 21 of which developed AKI according to the Kidney Disease Improving Global Outcomes criteria. We then selected a sample of 21 matched cases from those patients who went through the surgery without developing AKI. Primary outcomes were the measurement via gel zymography of the serum and urine activity of MMP-2 and MMP-9 drawn at the following intervals: pre-CPB; 10-minute post-CPB; and 4-hour post-CPB time points. Secondary variables were the measurement of serum creatinine, intensive care unit (ICU) fluid balance, and length of ICU stay. RESULTS At the 10-minute and 4-hour post-CPB time points, the serum MMP-2 activity of AKI patients were significantly higher as compared with non-AKI patients (P < .001 and P = .004), respectively. Similarly, at the 10-minute and 4-hour post-CPB time points, the serum MMP-9 activity of AKI patients was significantly higher as compared with non-AKI patients (P = .001 and P = .014), respectively. The activity of urine MMP-2 and MMP-9 of AKI patients was significantly higher as compared with non-AKI patients at all 3 time points (P = .004, P < .001, P < .001), respectively. CONCLUSION Although the pilot study may have limitations, it has demonstrated that the serum and urine levels of activity of MMP-2 and MMP-9 are associated with the clinical endpoint of AKI and appear to have earlier rising levels as compared with those of serum creatinine. Furthermore, in depth, exploration is underway with a larger sample size to attempt validation of the analytical performance and reproducibility of the assay for MMP-2 and MMP-9 to aid in earlier diagnosis of AKI following CPB-supported cardiac surgery.
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Affiliation(s)
- Erick D. McNair
- Department of Pathology and Laboratory
Medicine, College of Medicine, University of Saskatchewan, Saskatoon, Canada
- Department of Surgery/Division of
Cardiac Surgery, College of Medicine, University of Saskatchewan, Saskatoon,
Canada
| | - Jennifer Bezaire
- Department of Pathology and Laboratory
Medicine, College of Medicine, University of Saskatchewan, Saskatoon, Canada
| | - Michael Moser
- Department of Medicine, College of
Medicine, University of Saskatchewan, Saskatoon, Canada
| | - Prosanta Mondal
- Department of Community Health and
Epidemiology, College of Medicine, University of Saskatchewan, Saskatoon,
Canada
| | - Josie Conacher
- Department of Pathology and Laboratory
Medicine, College of Medicine, University of Saskatchewan, Saskatoon, Canada
| | - Aleksandra Franczak
- Department of Medicine, College of
Medicine, University of Saskatchewan, Saskatoon, Canada
| | - Greg Sawicki
- Department of Pharmacology, College of
Medicine, University of Saskatchewan, Saskatoon, Canada
| | - David Reid
- Department of Medicine, College of
Medicine, University of Saskatchewan, Saskatoon, Canada
| | - Abass Khani-Hanjani
- Department of Surgery/Division of
Cardiac Surgery, College of Medicine, University of Saskatchewan, Saskatoon,
Canada
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Verwijmeren L, Bosma M, Vernooij LM, Linde EM, Dijkstra IM, Daeter EJ, Van Dongen EPA, Van Klei WA, Noordzij PG. Associations Between Preoperative Biomarkers and Cardiac Surgery-Associated Acute Kidney Injury in Elderly Patients: A Cohort Study. Anesth Analg 2021; 133:570-577. [PMID: 34153017 DOI: 10.1213/ane.0000000000005650] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Acute kidney injury (AKI) is associated with mortality after cardiac surgery. Novel risk factors may improve identification of patients at risk for renal injury. The authors evaluated the association between preoperative biomarkers that reflect cardiac, inflammatory, renal, and metabolic disorders and cardiac surgery-associated AKI (CSA-AKI) in elderly patients. METHODS This was a secondary analysis of the 2-center prospective cohort study "Anesthesia Geriatric Evaluation." Twelve biomarkers were determined preoperatively in 539 patients. Primary outcome was CSA-AKI. The association between biomarkers and CSA-AKI was investigated with multivariable logistic regression analysis. Secondary outcomes were 1-year mortality and patient-reported disability and were assessed with relative risks (RR) between patients with and without CSA-AKI. RESULTS CSA-AKI occurred in 88 (16.3%) patients and was associated with increased risk of mortality (RR, 6.70 [95% confidence interval {CI}, 3.38-13.30]) and disability (RR, 2.13 [95% CI, 1.53-2.95]). Preoperative concentrations of N-terminal pro B-type natriuretic peptide (NT-proBNP), high-sensitive C-reactive protein (hs-CRP), hemoglobin, and magnesium had the strongest association with CSA-AKI. Identification of patients with CSA-AKI improved when a biomarker panel was used (area under the curve [AUC] 0.75 [95% CI, 0.69-0.80]) compared to when only clinical risk factors were used (European System for Cardiac Operative Risk Evaluation [EuroSCORE II] AUC 0.67 [95% CI, 0.62-0.73]). CONCLUSIONS Preoperative cardiac, inflammatory, renal, and metabolic biomarkers are associated with CSA-AKI and may improve identification of patients at risk.
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Affiliation(s)
- Lisa Verwijmeren
- From the Department of Anesthesiology, Intensive Care, and Pain Medicine
| | | | - Lisette M Vernooij
- From the Department of Anesthesiology, Intensive Care, and Pain Medicine
| | - Esther M Linde
- From the Department of Anesthesiology, Intensive Care, and Pain Medicine
| | | | - Edgar J Daeter
- Department of Cardiothoracic Surgery, St. Antonius Hospital, Nieuwegein, the Netherlands
| | | | - Wilton A Van Klei
- Department of Anesthesiology, Intensive Care and Emergency Medicine, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Peter G Noordzij
- From the Department of Anesthesiology, Intensive Care, and Pain Medicine
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Rasmussen SR, Nielsen RV, Møgelvang R, Ostrowski SR, Ravn HB. Prognostic value of suPAR and hsCRP on acute kidney injury after cardiac surgery. BMC Nephrol 2021; 22:120. [PMID: 33827466 PMCID: PMC8025450 DOI: 10.1186/s12882-021-02322-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 03/24/2021] [Indexed: 11/16/2022] Open
Abstract
Background Acute kidney injury (AKI) represents a serious complication following cardiac surgery. Adverse outcome after cardiac surgery has been observed in the presence of elevated levels of soluble urokinase-type plasminogen activator receptor (suPAR) and high-sensitivity C-Reactive Protein (hsCRP). The aim of study was (i) to investigate the relationship between preoperative elevated levels of suPAR and hsCRP and postoperative AKI in unselected cardiac surgery patients and (ii) to assess whether the concentration of the biomarkers reflected severity of AKI. Methods In a retrospective observational study, biobank blood plasma samples (n = 924) from patients admitted for elective on-pump cardiac surgery were analysed for suPAR and hsCRP levels. The relation between suPAR and hsCRP-values and AKI (any stage), defined by the KDIGO (Kidney Disease: Improving Global Outcomes) criteria, was assessed using adjusted logistic regression. Further, the association between biomarkers and severity (KDIGO 1, KDIGO 2–3 and renal replacement therapy (RRT)) was assessed using adjusted logistic regression. Results Postoperative AKI (any stage) was observed in 327 patients (35.4 %). A doubling of preoperative suPAR corresponded to an adjusted odds ratio (OR) for postoperative AKI (any stage) of 1.62 (95 % CI 1.26–2.09, p < 0.001). Furthermore, a doubling of suPAR had an adjusted OR of 1.50 (95 % CI 1.16–1.93, p = 0.002), 2.44 (95 % CI 1.56–3.82, p < 0.001) and 1.92 (95 % CI 1.15–3.23, p = 0.002), for KDIGO 1, KDIGO 2–3 and need for RRT, respectively. No significant association was found between elevated levels of hsCRP and any degree of AKI. Conclusions Increasing levels of suPAR, but not hsCRP, were associated with development and severity of AKI following on-pump cardiac surgery.
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Affiliation(s)
- Sebastian Roed Rasmussen
- Department of Cardiothoracic Anaesthesiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.
| | - Rikke Vibeke Nielsen
- Department of Cardiothoracic Anaesthesiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Rasmus Møgelvang
- Department of Cardiothoracic Anaesthesiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Clinical Cardiovascular Research Unit, University of Southern Denmark, Svendborg, Denmark
| | - Sisse Rye Ostrowski
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Department of Clinical Immunology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Hanne Berg Ravn
- Department of Cardiothoracic Anaesthesiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Department of Anaesthesiology, Odense University Hospital, University of Southern Denmark, Odense, Denmark
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The potential role of neopterin in Covid-19: a new perspective. Mol Cell Biochem 2021; 476:4161-4166. [PMID: 34319496 PMCID: PMC8317144 DOI: 10.1007/s11010-021-04232-z] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 07/19/2021] [Indexed: 02/07/2023]
Abstract
Neopterin (NPT) is a member of pteridines group, synthesized by macrophages when stimulated by interferon gamma (INF-γ). NPT is regarded as a macrophage stimulation indicator, marker of cellular immune activation and T helper 1 (Th1) type 1 immune response. Here, we aimed to provide a view point on the NPT features and role in Covid-19. Serum NPT level is regarded as an independent prognostic factor for Covid-19 severity, with levels starting to increase from the 3rd day of SARS-CoV-2 infection, being associated with severe dyspnea, longer hospitalization period and complications. Also, early raise of NPT reflects monocytes/macrophages activation before antibody immune response, despite the NPT level may also remain high in Covid-19 patients or at the end of incubation period before the onset of clinical symptoms. On the other hand, NPT attenuates the activity of macrophage foam cells and is linked to endothelial inflammation through inhibition of adhesion molecules and monocytes migration. However, NPT also exerts anti-inflammatory and antioxidant effects by suppressing NF-κB signaling and NLRP3 inflammasomes. NPT can be viewed as a protective compensatory mechanism to counterpoise hyper-inflammation, oxidative stress, and associated organ damage.
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Mohamed W, Asimakopoulos G. Preoperative C-reactive protein as a predictor of postoperative acute kidney injury in patients undergoing coronary artery bypass grafting. Perfusion 2020; 36:330-337. [PMID: 32781890 DOI: 10.1177/0267659120947684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
C-reactive protein is a well-known marker of inflammation and may be preoperatively elevated in the absence of infection in adult cardiac surgery patients, indicating a baseline inflammatory process. We conducted a literature search to assess the available evidence on whether there is an association between preoperative C-reactive protein and acute kidney injury after coronary artery bypass grafting. Included only were observational studies which investigated this association. We excluded abstracts, case reports, animal studies and articles in languages other than English. Altogether, 199 papers were retrieved from the search strategy reported, of which 6 studies were included in the final review. The study types, publication details, patient groups and key results are tabulated. A qualitative assessment of these papers was conducted. We conclude that there is some evidence to support the association between high preoperative C-reactive protein level and postoperative acute kidney injury and complications after coronary artery bypass grafting. Owing to variability in acute kidney injury definitions and C-reactive protein levels for different cohorts in the observational studies reviewed, it is unclear from current evidence what serum C-reactive protein cut-off level is significantly associated with postoperative acute kidney injury. Further evidence is needed to investigate whether raised preoperative C-reactive protein in the absence of an infective cause could have a role in risk prediction models for cardiac surgery-associated acute kidney injury.
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Affiliation(s)
- Walid Mohamed
- Department of Cardiac Surgery, Glenfield Hospital, Leicester, UK
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Pterins as Diagnostic Markers of Mechanical and Impact-Induced Trauma: A Systematic Review. J Clin Med 2019; 8:jcm8091383. [PMID: 31484468 PMCID: PMC6780259 DOI: 10.3390/jcm8091383] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 08/21/2019] [Accepted: 08/27/2019] [Indexed: 12/18/2022] Open
Abstract
We performed a systematic review of the literature to evaluate pterins as biomarkers of mechanical and impact-induced trauma. MEDLINE and Scopus were searched in March 2019. We included in vivo human studies that measured a pterin in response to mechanical or impact-induced trauma with no underlying prior disease or complication. We included 40 studies with a total of 3829 subjects. Seventy-seven percent of studies measured a significant increase in a pterin, primarily neopterin or total neopterin (neopterin + 7,8-dihydroneopterin). Fifty-one percent of studies measured an increase within 24 h of trauma, while 46% measured increases beyond 48 h. Pterins also showed promise as predictors of post-trauma complications such as sepsis, multi-organ failure and mortality. Exercise-induced trauma and traumatic brain injury caused an immediate increase in neopterin or total neopterin, while patients of multiple trauma had elevated pterin levels that remained above baseline for several days. Pterin concentration changes in response to surgery were variable with patients undergoing cardiac surgery having immediate and sustained pterin increases, while gastrectomy, liver resection or hysterectomy showed no change. This review provides systematic evidence that pterins, in particular neopterin and total neopterin, increase in response to multiple forms of mechanical or impact-induced trauma.
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Biomarkers of Acute Kidney Injury after Cardiac Surgery: A Narrative Review. BIOMED RESEARCH INTERNATIONAL 2019; 2019:7298635. [PMID: 31346523 PMCID: PMC6620851 DOI: 10.1155/2019/7298635] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 06/05/2019] [Accepted: 06/11/2019] [Indexed: 12/12/2022]
Abstract
Cardiac surgery-associated acute kidney injury (CSA-AKI) is a major and serious complication in patients undergoing cardiac surgery and is independently associated with perioperative mortality and mortality. Therapeutic intervention aiming at reversing kidney dysfunction seems disappointing across multiple settings. Consequently, attention has shifted from treatment to prevention and early detection. The Kidney Disease: Improving Global Outcomes (KDIGO) guidelines have unified diagnostic standards mainly based on the serum creatinine (Scr) level or urine output, but neither marker is kidney specific. Efforts have been made to identify novel biomarkers with high sensitivity and specificity. The diagnostic capabilities of neutrophil gelatinase-associated lipocalin (NGAL) and G1 cell cycle arrest biomarker as biomarkers have been confirmed in a large number of clinical trials. The utility of biomarkers of cardiac function and inflammation has been validated in clinical studies. Aiming to offer valuable information for further research, we summarize the progress in defining current markers relevant to CSA-AKI in the last three years.
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Vo TX, Boodhwani M. Renal resistive index as a biomarker for acute kidney injury in aortic valve surgery. J Thorac Dis 2019; 10:S4010-S4012. [PMID: 30631541 DOI: 10.21037/jtd.2018.09.45] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Thin Xuan Vo
- Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, Canada
| | - Munir Boodhwani
- Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, Canada
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Bolliger D, Mauermann E. Renal Angina: A New Paradigm for the Prevention of Acute Kidney Injury After Cardiac Surgery. J Cardiothorac Vasc Anesth 2018; 33:365-367. [PMID: 30409534 DOI: 10.1053/j.jvca.2018.09.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Daniel Bolliger
- Department for Anesthesia, Surgical Intensive Care, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Basel, Switzerland
| | - Eckhard Mauermann
- Department for Anesthesia, Surgical Intensive Care, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Basel, Switzerland
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Bolliger D, Siegemund M. The More, the Merrier? - Urinary Biomarkers for Prediction of Acute Kidney Injury After Cardiac Surgery. J Cardiothorac Vasc Anesth 2018; 32:2201-2202. [PMID: 29573956 DOI: 10.1053/j.jvca.2018.02.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Daniel Bolliger
- Department for Anesthesia, Surgical Intensive Care, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Basel, Switzerland
| | - Martin Siegemund
- Department for Anesthesia, Surgical Intensive Care, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Basel, Switzerland
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