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de Wijs CJ, Schoonvelde SAC, Mik EG, de Jong PL, Michels M, Harms FA. Evaluating the Prevalence of Cardiac Surgery-associated Acute Kidney Injury After Septal Myectomy Combined With Concomitant Procedures in Obstructive Hypertrophic Cardiomyopathy. J Cardiothorac Vasc Anesth 2024:S1053-0770(24)00371-9. [PMID: 38918090 DOI: 10.1053/j.jvca.2024.05.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 05/22/2024] [Accepted: 05/29/2024] [Indexed: 06/27/2024]
Abstract
OBJECTIVES Hypertrophic obstructive cardiomyopathy (HOCM) may be treated by septal myectomy. Cardiac surgery-associated acute kidney injury (CSA-AKI) is a common complication, but little is known about its incidence after septal myectomy. The objectives of this work were to evaluate the prevalence of CSA-AKI after septal myectomy and identify potential perioperative and phenotype-related factors contributing to CSA-AKI. DESIGN This was a retrospective database analysis with new data analysis. SETTING The study occurred in a single university academic expertise center for septal myectomy HOCM patients. PARTICIPANTS Data from 238 HOCM patients with septal myectomy operated on between 2005 and 2022 were collected. INTERVENTIONS CSA-AKI was stratified according to the Kidney Disease: Improving Global Outcomes (KDIGO) guidelines using measurement of creatinine and urine production. Important HOCM phenotype-related and perioperative factors were analyzed for their possible associations with CSA-AKI. MEASUREMENTS AND MAIN RESULTS CSA-AKI occurred in 45% of patients; of these, 55% were classified as KDIGO stage I and the remaining 45% as stage II, with no chronic kidney damage observed. Moreover, there were no phenotypical or perioperative characteristics that were more prevalent in the CSA-AKI cohort. However, the use of beta-blockers and coronary artery disease were more prevalent in the CSA-AKI cohort. CONCLUSIONS CSA-AKI is a common complication after septal myectomy but was transient, and kidney function recovered in all patients.
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Affiliation(s)
- Calvin J de Wijs
- Laboratory of Experimental Anesthesiology, Department of Anesthesiology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, the Netherlands.
| | - Stephan A C Schoonvelde
- Department of Cardiology, Thorax Center, Cardiovascular Institute, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Egbert G Mik
- Laboratory of Experimental Anesthesiology, Department of Anesthesiology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Peter L de Jong
- Department of Cardiothoracic Surgery, Thorax Center, Cardiovascular Institute, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Michelle Michels
- Department of Cardiology, Thorax Center, Cardiovascular Institute, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Floor A Harms
- Laboratory of Experimental Anesthesiology, Department of Anesthesiology, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, the Netherlands
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Shin HJ, Ko E, Jun I, Kim HJ, Lim CH. Effects of perioperative erythropoietin administration on acute kidney injury and red blood cell transfusion in patients undergoing cardiac surgery: A systematic review and meta-analysis. Medicine (Baltimore) 2022; 101:e28920. [PMID: 35244046 PMCID: PMC8896477 DOI: 10.1097/md.0000000000028920] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 02/07/2022] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND The renoprotective effects of erythropoietin (EPO) are well-known; however, the optimal timing of EPO administration remains controversial. Red blood cell (RBC) transfusion is an independent risk factor for cardiac surgery-associated acute kidney injury (CSA-AKI). We aimed to evaluate the efficacy of EPO on CSA-AKI and RBC transfusion according to the timing of administration. METHODS We searched the Cochrane Library, EMBASE, and MEDLINE databases for randomized controlled trials. The primary outcome was the incidence of CSA-AKI following perioperative EPO administration, and the secondary outcomes were changes in serum creatinine, S-cystatin C, S-neutrophil gelatinase-associated lipocalin, urinary neutrophil gelatinase-associated lipocalin, length of hospital and intensive care unit (ICU) stay, volume of RBC transfusion, and mortality. The subgroup analysis was stratified according to the timing of EPO administration in relation to surgery. RESULTS Eight randomized controlled trials with 610 patients were included in the study. EPO administration significantly decreased the incidence of CSA-AKI (odds ratio: 0.60, 95% confidence interval [CI]: 0.43-0.85, P = .004; I2 = 52%; P for heterogeneity = .04), intra-operative RBC transfusion (standardized mean difference: -0.30, 95% CI: -0.55 to -0.05, P = .02; I2 = 15%, P for heterogeneity = .31), and hospital length of stay (mean difference: -1.54 days, 95% CI: -2.70 to -0.39, P = .009; I2 = 75%, P for heterogeneity = .001) compared with control groups. Subgroup analyses revealed that pre-operative EPO treatment significantly reduced the incidence of CSA-AKI, intra-operative RBC transfusion, serum creatinine, and length of hospital and ICU stay. CONCLUSION Pre-operative administration of EPO may reduce the incidence of CSA-AKI and RBC transfusion, but not in patients administered EPO during the intra-operative or postoperative period. Therefore, pre-operative EPO treatment can be considered to improve postoperative outcomes by decreasing the length of hospital and ICU stay in patients undergoing cardiac surgery.
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Affiliation(s)
- Hyeon Ju Shin
- Department of Anesthesiology and Pain Medicine, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Eunji Ko
- Department of Anesthesiology and Pain Medicine, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Injae Jun
- Department of Anesthesiology and Pain Medicine, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Hyun Jung Kim
- Department of Preventive Medicine, Institute for Evidence-based Medicine Cochrane Korea, Republic of Korea
| | - Choon Hak Lim
- Department of Anesthesiology and Pain Medicine, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea
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Investigating the Molecular Mechanisms of Renal Hepcidin Induction and Protection upon Hemoglobin-Induced Acute Kidney Injury. Int J Mol Sci 2022; 23:ijms23031352. [PMID: 35163276 PMCID: PMC8835743 DOI: 10.3390/ijms23031352] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/18/2022] [Accepted: 01/22/2022] [Indexed: 01/27/2023] Open
Abstract
Hemolysis is known to cause acute kidney injury (AKI). The iron regulatory hormone hepcidin, produced by renal distal tubules, is suggested to exert a renoprotective role during this pathology. We aimed to elucidate the molecular mechanisms of renal hepcidin synthesis and its protection against hemoglobin-induced AKI. In contrast to known hepatic hepcidin induction, incubation of mouse cortical collecting duct (mCCDcl1) cells with IL-6 or LPS did not induce Hamp1 mRNA expression, whereas iron (FeS) and hemin significantly induced hepcidin synthesis (p < 0.05). Moreover, iron/heme-mediated hepcidin induction in mCCDcl1 cells was caused by the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway, as indicated by increased nuclear Nrf2 translocation and induced expression of Nrf2 downstream targets GCLM (p < 0.001), NQO1 (p < 0.001), and TXNRD1 (p < 0.005), which could be prevented by the known Nrf2 inhibitor trigonelline. Newly created inducible kidney-specific hepcidin KO mice demonstrated a significant reduction in renal Hamp1 mRNA expression. Phenylhydrazine (PHZ)-induced hemolysis caused renal iron loading and oxidative stress in both wildtype (Wt) and KO mice. PHZ treatment in Wt induced inflammatory markers (IL-6, TNFα) but not Hamp1. However, since PHZ treatment also significantly reduced systemic hepcidin levels in both Wt and KO mice (both p < 0.001), a dissection between the roles of systemic and renal hepcidin could not be made. Combined, the results of our study indicate that there are kidney-specific mechanisms in hepcidin regulation, as indicated by the dominant role of iron and not inflammation as an inducer of renal hepcidin, but also emphasize the complex interplay of various iron regulatory mechanisms during AKI on a local and systemic level.
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Rank N, Pfahringer B, Kempfert J, Stamm C, Kühne T, Schoenrath F, Falk V, Eickhoff C, Meyer A. Deep-learning-based real-time prediction of acute kidney injury outperforms human predictive performance. NPJ Digit Med 2020; 3:139. [PMID: 33134556 PMCID: PMC7588492 DOI: 10.1038/s41746-020-00346-8] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 09/17/2020] [Indexed: 12/29/2022] Open
Abstract
Acute kidney injury (AKI) is a major complication after cardiothoracic surgery. Early prediction of AKI could prompt preventive measures, but is challenging in the clinical routine. One important reason is that the amount of postoperative data is too massive and too high-dimensional to be effectively processed by the human operator. We therefore sought to develop a deep-learning-based algorithm that is able to predict postoperative AKI prior to the onset of symptoms and complications. Based on 96 routinely collected parameters we built a recurrent neural network (RNN) for real-time prediction of AKI after cardiothoracic surgery. From the data of 15,564 admissions we constructed a balanced training set (2224 admissions) for the development of the RNN. The model was then evaluated on an independent test set (350 admissions) and yielded an area under curve (AUC) (95% confidence interval) of 0.893 (0.862-0.924). We compared the performance of our model against that of experienced clinicians. The RNN significantly outperformed clinicians (AUC = 0.901 vs. 0.745, p < 0.001) and was overall well calibrated. This was not the case for the physicians, who systematically underestimated the risk (p < 0.001). In conclusion, the RNN was superior to physicians in the prediction of AKI after cardiothoracic surgery. It could potentially be integrated into hospitals' electronic health records for real-time patient monitoring and may help to detect early AKI and hence modify the treatment in perioperative care.
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Affiliation(s)
- Nina Rank
- Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Boris Pfahringer
- Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Jörg Kempfert
- Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, P.O. Box 65 21 33, 13316 Berlin, Germany
| | - Christof Stamm
- Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, P.O. Box 65 21 33, 13316 Berlin, Germany
| | - Titus Kühne
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, P.O. Box 65 21 33, 13316 Berlin, Germany
- Institute for Computer-assisted Cardiovascular Medicine, Charité–Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
- Berlin Institute of Health, Anna-Louisa-Karsch-Str. 2, 10178 Berlin, Germany
| | - Felix Schoenrath
- Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, P.O. Box 65 21 33, 13316 Berlin, Germany
| | - Volkmar Falk
- Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, P.O. Box 65 21 33, 13316 Berlin, Germany
- Berlin Institute of Health, Anna-Louisa-Karsch-Str. 2, 10178 Berlin, Germany
- Department of Cardiothoracic Surgery, Charité – Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
- Department of Health Sciences and Technology, ETH Zürich, Leopold-Ruzicka-Weg 4, 8093 Zürich, Switzerland
| | - Carsten Eickhoff
- Center for Biomedical Informatics, Brown University, 233 Richmond Street, Providence, RI 02912 USA
| | - Alexander Meyer
- Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, P.O. Box 65 21 33, 13316 Berlin, Germany
- Berlin Institute of Health, Anna-Louisa-Karsch-Str. 2, 10178 Berlin, Germany
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Harky A, Joshi M, Gupta S, Teoh WY, Gatta F, Snosi M. Acute Kidney Injury Associated with Cardiac Surgery: a Comprehensive Literature Review. Braz J Cardiovasc Surg 2020; 35:211-224. [PMID: 32369303 PMCID: PMC7199993 DOI: 10.21470/1678-9741-2019-0122] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Objective To comprehensively understand cardiac surgeryassociated acute kidney injury (CSA-AKI) and methods of prevention of such complication in cardiac surgery patients. Methods A comprehensive literature search was performed using the electronic database to identify articles describing acute kidney injury (AKI) in patients that undergone cardiac surgery. There was neither time limit nor language limit on the search. The results were narratively summarized. Results All the relevant articles have been extracted; results have been summarized in each related section. CSA-AKI is a serious postoperative complication and it can contribute to a significant increase in perioperative morbidity and mortality rates. Optimization of factors that can reduce CSA-AKI, therefore, contributes to a better postoperative outcome. Conclusion Several factors can significantly increase the rate of AKI; identification and minimization of such factors can lead to lower rates of CSA-AKI and lower perioperative morbidity and mortality rates.
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Affiliation(s)
- Amer Harky
- Liverpool Heart and Chest Department of Cardiothoracic Surgery Liverpool UK Department of Cardiothoracic Surgery, Liverpool Heart and Chest, Liverpool, UK
| | - Mihika Joshi
- Countess of Chester Hospital Department of Cardiology Chester UK Department of Cardiology, Countess of Chester Hospital, Chester, UK
| | - Shubhi Gupta
- University of Liverpool School of Medicine Liverpool UK School of Medicine, University of Liverpool, Liverpool, UK
| | - Wan Yi Teoh
- University of Liverpool School of Medicine Liverpool UK School of Medicine, University of Liverpool, Liverpool, UK
| | - Francesca Gatta
- Liverpool Heart and Chest Department of Cardiothoracic Surgery Liverpool UK Department of Cardiothoracic Surgery, Liverpool Heart and Chest, Liverpool, UK
| | - Mostafa Snosi
- Liverpool Heart and Chest Department of Cardiothoracic Surgery Liverpool UK Department of Cardiothoracic Surgery, Liverpool Heart and Chest, Liverpool, UK
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Woitek FJ, Stachel G, Kiefer P, Haussig S, Leontyev S, Schlotter F, Mende M, Hommel J, Crusius L, Spindler A, Mohr FW, Schuler G, Thiele H, Borger MA, Linke A, Holzhey D, Mangner N. Treatment of failed aortic bioprostheses: An evaluation of conventional redo surgery and transfemoral transcatheter aortic valve-in-valve implantation. Int J Cardiol 2020; 300:80-86. [DOI: 10.1016/j.ijcard.2019.09.039] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 07/10/2019] [Accepted: 09/16/2019] [Indexed: 10/25/2022]
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Che M, Wang X, Xie B, Huang R, Liu S, Yan Y, Zhu M, Lu R, Qian J, Zhang W, Gu L, Mou S, Ni Z, Xue S. Use of Both Serum Cystatin C and Creatinine as Diagnostic Criteria for Cardiac Surgery-Associated Acute Kidney Injury and Its Correlation with Long-Term Major Adverse Events. Kidney Blood Press Res 2019; 44:415-425. [PMID: 31189155 DOI: 10.1159/000499647] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS Cardiac surgery-associated acute kidney injury (CSA-AKI) was traditionally defined as an increase in serum creatinine (sCr) after cardiac surgery. Recently, serum cystatin C (sCyC) has been proposed to be a better biomarker in the prediction of AKI. The clinical utility and performance of combining sCyC and sCr in patients with AKI, particularly for the prediction of long-term outcomes, remain unknown. METHODS We measured sCyC together with sCr in 628 patients undergoing cardiac surgery. sCyC and sCr were assessed at baseline and 24 and 48 h after surgery. CSA-AKI determined by sCr (CSA-AKIsCr) was defined as an sCr increase greater than 0.3 mg/dL or 50% from baseline. Major adverse events (MAEs; including death of any cause and dialysis) at 3 years were assessed. RESULTS CSA-AKIsCr developed in 178 patients (28.3%). Three-year follow-up was available for 621 patients; MAEs occurred in 42 patients (6.8%). An increase in sCyC concentration ≥30% within 48 h after surgery was detected in 228 patients (36.3%). This was the best sCyC cutoff for CSA-AKIsCr detection (negative predictive value = 88.8%, positive predictive value = 58.3%). To evaluate the use of both sCyC and sCr as CSA-AKI diagnostic criteria, we stratified patients into 3 groups: non-CSA-AKI, CSA-AKI detected by a single marker, and CSA-AKI detected by both markers. By multivariable logistic regression analysis, the independent predictors of MAEs at 3 years were group 2 (non-CSA-AKI group as the reference, CSA-AKI detected by a single marker: odds ratio [OR] = 3.48, 95% confidence interval [CI]: 1.27-9.58, p = 0.016), group 3 (CSA-AKI detected by both markers: OR = 5.12, 95% CI: 2.01-13.09; p = 0.001), and baseline glomerular filtration rate (OR = 2.24; 95% CI: 1.27-3.95; p = 0.005). CONCLUSION Combining sCyC and sCr to diagnose CSA-AKI would be beneficial for risk stratification and prognosis in patients after cardiac surgery.
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Affiliation(s)
- Miaolin Che
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xudong Wang
- Department of Cardiovascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Bo Xie
- Department of Cardiovascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ritai Huang
- Department of Cardiovascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Shang Liu
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yucheng Yan
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Mingli Zhu
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Renhua Lu
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jiaqi Qian
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Weiming Zhang
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Leyi Gu
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Shan Mou
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhaohui Ni
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China,
| | - Song Xue
- Department of Cardiovascular Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Dhandabani GK, Mutra MR, Wang JJ. Palladium-Catalyzed Regioselective Synthesis of 1-Benzoazepine Carbonitriles from o
-Alkynylanilines via 7-endo
-dig Annulation and Cyanation. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800865] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Ganesh Kumar Dhandabani
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University, No. 100; Shih-Chuan 1st Rd, Sanmin District Kaohsiung City, 807 Taiwan
| | - Mohana Reddy Mutra
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University, No. 100; Shih-Chuan 1st Rd, Sanmin District Kaohsiung City, 807 Taiwan
| | - Jeh-Jeng Wang
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University, No. 100; Shih-Chuan 1st Rd, Sanmin District Kaohsiung City, 807 Taiwan
- Department of Medical Research; Kaohsiung Medical University Hospital; No. 100 Tzyou 1st Rd, Sanmin District, Kaohsiung City 807 Taiwan
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Li X, Zhang C, Dai D, Liu H, Ge S. Efficacy of dexmedetomidine in prevention of junctional ectopic tachycardia and acute kidney injury after pediatric cardiac surgery: A meta‐analysis. CONGENIT HEART DIS 2018; 13:799-807. [PMID: 30260073 DOI: 10.1111/chd.12674] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 05/14/2018] [Accepted: 08/24/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Xin Li
- Department of Cardiovascular Surgery The First Affiliated Hospital of Anhui Medical University Hefei China
| | - Chengxin Zhang
- Department of Cardiovascular Surgery The First Affiliated Hospital of Anhui Medical University Hefei China
| | - Di Dai
- Department of Cardiovascular Surgery The First Affiliated Hospital of Anhui Medical University Hefei China
| | - Haiyuan Liu
- Department of Cardiovascular Surgery The First Affiliated Hospital of Anhui Medical University Hefei China
| | - Shenglin Ge
- Department of Cardiovascular Surgery The First Affiliated Hospital of Anhui Medical University Hefei China
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High preoperative plasma endothelin-1 levels are associated with increased acute kidney injury risk after pulmonary endarterectomy. J Nephrol 2018; 31:881-888. [PMID: 30229506 DOI: 10.1007/s40620-018-0538-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 09/10/2018] [Indexed: 12/16/2022]
Abstract
OBJECTIVES The only curative treatment for chronic thromboembolic pulmonary hypertension (CTEPH) is pulmonary endarterectomy (PEA). PEA requires cardiopulmonary bypass (CPB) which is associated with a high acute kidney injury (AKI) risk. Circulating endothelin-1 (ET-1) levels are elevated in CTEPH, and ET-1 plays a pivotal role in AKI. Because AKI is burdened by high morbidity and mortality, we aimed to evaluate the association between preoperative ET-1 and the risk to develop AKI in CTEPH individuals who undergo PEA. We also evaluated the association of AKI and ET-1 with kidney function and mortality at 1 year after PEA. METHODS In 385 consecutive patients diagnosed with CTEPH who underwent PEA at the Foundation IRCC Policlinico San Matteo (Pavia, Italy) from January 2009 to April 2015, we assessed preoperative circulating ET-1 by ELISA and identified presence of AKI based on 2012 KDIGO criteria. RESULTS AKI occurred in 26.5% of the 347 patients included in the analysis, and was independently associated with preoperative ET-1 (p = 0.008), body mass index (BMI) (p = 0.022), male gender (p = 0.005) and duration of CPB (p = 0.002). At 1-year post PEA, estimated glomerular filtration rate (eGFR) significantly improved in patients who did not develop AKI [ΔeGFR 5.6 ml/min/1.73 m2 (95% CI 3.6-7.6), p < 0.001] but not in those with perioperative AKI. AKI (p < 0.001), age (p < 0.001), preoperative eGFR (p < 0.001) and systemic hypertension diagnosis (p = 0.015) were independently associated with 1-year ΔeGFR. Neither perioperative AKI nor preoperative ET-1 was associated with 1-year survival. CONCLUSION Perioperative AKI is associated with higher preoperative circulating ET-1 and it negatively influences long-term kidney function in patients with CTEPH who undergo PEA.
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11
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Zhu MZL, Martin A, Cochrane AD, Smith JA, Thrift AG, Harrop GK, Ngo JP, Evans RG. Urinary hypoxia: an intraoperative marker of risk of cardiac surgery-associated acute kidney injury. Nephrol Dial Transplant 2018; 33:2191-2201. [DOI: 10.1093/ndt/gfy047] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Accepted: 02/06/2018] [Indexed: 01/06/2023] Open
Affiliation(s)
- Michael Z L Zhu
- Department of Cardiothoracic Surgery, Monash Health and Department of Surgery (School of Clinical Sciences at Monash Health), Monash University, Clayton, Australia
| | - Andrew Martin
- Department of Cardiothoracic Surgery, Monash Health and Department of Surgery (School of Clinical Sciences at Monash Health), Monash University, Clayton, Australia
| | - Andrew D Cochrane
- Department of Cardiothoracic Surgery, Monash Health and Department of Surgery (School of Clinical Sciences at Monash Health), Monash University, Clayton, Australia
| | - Julian A Smith
- Department of Cardiothoracic Surgery, Monash Health and Department of Surgery (School of Clinical Sciences at Monash Health), Monash University, Clayton, Australia
| | - Amanda G Thrift
- Department of Medicine (School of Clinical Sciences at Monash Health), Monash University, Melbourne, Australia and
| | - Gerard K Harrop
- Department of Cardiothoracic Surgery, Monash Health and Department of Surgery (School of Clinical Sciences at Monash Health), Monash University, Clayton, Australia
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Australia
| | - Jennifer P Ngo
- Department of Cardiothoracic Surgery, Monash Health and Department of Surgery (School of Clinical Sciences at Monash Health), Monash University, Clayton, Australia
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Australia
| | - Roger G Evans
- Department of Cardiothoracic Surgery, Monash Health and Department of Surgery (School of Clinical Sciences at Monash Health), Monash University, Clayton, Australia
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Australia
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12
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Hanna RM, Kamgar M, Hasnain H, Khorsan R, Nsair A, Kaldas F, Baas A, Bunnapradist S, Wilson JM. Case Report: First Reported Combined Heart-Liver Transplant in a Patient With a Congenital Solitary Kidney. Transplant Proc 2018; 50:943-946. [PMID: 29458999 DOI: 10.1016/j.transproceed.2017.11.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 11/11/2017] [Indexed: 10/18/2022]
Abstract
We report a case of successful combined heart liver transplant in a patient with a congenital solitary kidney. The patient had normal renal function before combined heart-liver transplantation and developed acute kidney injury requiring slow continuous dialysis and subsequent intermittent dialysis for almost 8 weeks post transplantation. Her renal function recovered and she remains off dialysis now 7 months post transplantation. She only currently has mild chronic renal insufficiency. We believe this is the first reported case of successful heart liver transplant in a patient with a congenital solitary kidney.
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Affiliation(s)
- R M Hanna
- Department of Medicine, Division of Nephrology, UCLA Health - South Bay Nephrology, Rancho Palos Verdes, California, USA.
| | - M Kamgar
- Department of Medicine, Division of Nephrology, UCLA Stone Center Surgical and Consultative Nephrology, Westwood, California, USA
| | - H Hasnain
- Department of Medicine, Division of Nephrology, UCLA Health-South Bay Nephrology, Torrance, California, USA
| | - R Khorsan
- Department of Medicine, Division of Nephrology, UCLA-Santa Monica Medical Center, Santa Monica, California, USA
| | - A Nsair
- Department of Surgery, Division of Cardiothoracic Surgery, UCLA Ronald Reagan Medical Center, Westwood, California, USA
| | - F Kaldas
- Department of Surgery-Liver Transplant Surgery, UCLA Ronald Reagan Medical Center, Westwood, California, USA
| | - A Baas
- Department of Medicine-Cardiology, UCLA Ronald Reagan Medical Center, Westwood, California, USA
| | - S Bunnapradist
- Department of Medicine-Transplant Nephrology, UCLA Ronald Reagan Medical Center, Westwood, California, USA
| | - J M Wilson
- Department of Medicine, Division of Nephrology, UCLA Stone Center Surgical and Consultative Nephrology, Westwood, California, USA
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Affiliation(s)
- Aryeh Shander
- From the *Department of Anesthesiology, Critical Care and Hyperbaric Medicine, Englewood Hospital and Medical Center, Englewood, New Jersey; Department of †Anesthesiology, ‡Medicine, and §Surgery, Icahn School of Medicine at Mount Sinai, New York, New York; and ‖Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, North Carolina
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Financial Impact of Acute Kidney Injury After Cardiac Operations in the United States. Ann Thorac Surg 2017; 105:469-475. [PMID: 29275828 DOI: 10.1016/j.athoracsur.2017.10.053] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 10/09/2017] [Accepted: 10/26/2017] [Indexed: 11/24/2022]
Abstract
BACKGROUND Acute kidney injury (AKI) after major cardiac operations is a potentially avoidable complication associated with increased morbidity, death, and costly long-term treatment. The financial impact of AKI at the population level has not been well defined. We sought to determine the incremental index hospital cost associated with the development of AKI. METHODS All patients undergoing coronary artery bypass grafting (CABG) or valve replacement operations, or both (clinical classification software codes 43 and 44), between 2008 and 2011 were identified from the Nationwide Inpatient Sample. AKI was identified using International Classification of Diseases, 9th Revision, Clinical Modification diagnosis codes (584.xx); patients with chronic renal failure were excluded. Mean total index hospitalization costs were compared between patients with and without AKI. RESULTS At the population level, 1,078,036 individuals underwent major cardiac procedures from 2008 to 2011, with AKI developing in 105,648 (9.8%). Specifically, AKI developed in 8.0% of CABG, 11.4% of valve replacement, and 17.0% of CABG plus valve replacement patients (p < 0.001). Death was more common among patients with AKI vs those without (13.9% vs 1.3%, p < 0.001). Mean total index hospitalization cost was $77,178 for patients with AKI vs $38,820 for those without (p < 0.001). At the national level, the overall incremental annual index hospitalization cost associated with AKI was $1.01 billion. CONCLUSIONS AKI developed in 1 in every 10 patients nationwide after a cardiac operation. Achieving a 10% reduction in AKI in this population would likely result in an annual savings of approximately $100,000,000 in index-hospital costs alone. Support for research on mechanisms to detect impending damage and prevent AKI may lead to reduced patient morbidity and death and to substantial health care cost savings.
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Wu B, Ma L, Shao Y, Liu S, Yu X, Zhu Y, Xu X, Xing C, Mao H. Effect of Cardiac Surgery-Associated Acute Kidney Injury on Long-Term Outcomes of Chinese Patients: A Historical Cohort Study. Blood Purif 2017; 44:227-233. [DOI: 10.1159/000478967] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 06/25/2017] [Indexed: 12/18/2022]
Abstract
Background/Aims: To evaluate the long-term outcomes of Chinese patients with cardiac surgery-associated acute kidney injury (CSA-AKI). Methods: Patients who underwent cardiac surgery with a median 3-year follow-up were enrolled. The long-term survival rate and the incidence of chronic kidney disease (CKD) were recorded, and related risk factors were analyzed. Results: Of all 1,363 patients, 457 (33.5%) developed CSA-AKI. The AKI patients had a lower 3-year survival rate (88.8 vs. 97.2%, respectively, p < 0.001) and a higher incidence of CKD stages 3-5 (9.9 vs. 2.3%, respectively, p < 0.001) than the non-AKI patients. Cox regression analysis showed that AKI, atrial fibrillation, chronic cardiac insufficiency, longer surgical duration, respiratory failure after surgery, and longer mechanical ventilation time were associated with long-term mortality, while AKI, older age, and lower baseline kidney function were associated with incident CKD stages 3-5. Conclusion: CSA-AKI increased the risk of 3-year mortality and incident CKD stages 3-5.
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Brocca A, Virzì GM, de Cal M, Giavarina D, Carta M, Ronco C. Elevated Levels of Procalcitonin and Interleukin-6 are Linked with Postoperative Complications in Cardiac Surgery. Scand J Surg 2017; 106:318-324. [PMID: 28737097 DOI: 10.1177/1457496916683096] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Cardiac surgery-associated acute kidney injury is a frequent and serious postoperative complication of cardiac surgery and is associated with an increased risk of morbidity, mortality, and length stay. In this study, we hypothesized that persistent elevation in inflammation in the first 48 h might be a powerful predictor of clinical outcome. Our aim was to elucidate the usefulness of interleukin-6 and procalcitonin postoperative levels in predicting mortality and renal complications in cardiac surgery patients. METHODS A total of 122 cardiac surgery patients were enrolled. Procalcitonin and interleukin-6 concentrations were measured on the second postoperative day, and their levels were evaluated versus a number of conditions and endpoints. RESULTS Procalcitonin has a good predictive value for adverse renal outcome (p < 0.05). Interleukin-6 has a good predictive value for 30 days and overall mortality in cardiac surgery population (p < 0.05). We did not observe a significant difference in procalcitonin and interleukin-6 levels among patients with different types of surgery and different extracorporeal circulation time, but the levels of both the molecules increase significantly depending on number of transfusions received by patients (p < 0.01). CONCLUSION We speculated that procalcitonin and interleukin-6 could be two effective biomarkers. There is a possibility of having a combined inflammatory multi-biomarker panel, with procalcitonin for predicting renal outcome and interleukin-6 for predicting mortality.
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Affiliation(s)
- A Brocca
- 1 IRRIV-International Renal Research Institute of Vicenza, Vicenza, Italy.,2 Department of Nephrology, Dialysis and Transplantation, San Bortolo Hospital, Vicenza, Italy.,3 Department of Medicine-DIMED, Medical School, University of Padova, Padova, Italy
| | - G M Virzì
- 1 IRRIV-International Renal Research Institute of Vicenza, Vicenza, Italy.,2 Department of Nephrology, Dialysis and Transplantation, San Bortolo Hospital, Vicenza, Italy
| | - M de Cal
- 1 IRRIV-International Renal Research Institute of Vicenza, Vicenza, Italy.,2 Department of Nephrology, Dialysis and Transplantation, San Bortolo Hospital, Vicenza, Italy
| | - D Giavarina
- 4 Clinical Chemistry and Haematology Laboratory, San Bortolo Hospital, Vicenza, Italy
| | - M Carta
- 4 Clinical Chemistry and Haematology Laboratory, San Bortolo Hospital, Vicenza, Italy
| | - C Ronco
- 1 IRRIV-International Renal Research Institute of Vicenza, Vicenza, Italy.,2 Department of Nephrology, Dialysis and Transplantation, San Bortolo Hospital, Vicenza, Italy
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Wu B, Sun J, Liu S, Yu X, Zhu Y, Mao H, Xing C. Relationship among Mortality of Patients with Acute Kidney Injury after Cardiac Surgery, Fluid Balance and Ultrafiltration of Renal Replacement Therapy: An Observational Study. Blood Purif 2017; 44:32-39. [DOI: 10.1159/000455063] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Accepted: 12/12/2016] [Indexed: 12/11/2022]
Abstract
Background/Aims: The study aimed to investigate the relationship among mortality of patients with cardiac surgery-associated acute kidney injury (CSA-AKI), fluid balance, and ultrafiltration of renal replacement therapy (RRT). Methods: From January 2009 to October 2015, hospitalized patients with CSA-AKI receiving continuous or prolonged intermittent RRT were screened. The effects of fluid balance and ultrafiltration of RRT on clinical outcome were analyzed. Results: The 30-day mortality of all the 63 patients in the study was 58.6%. Compared with the death group, the survival group had a significantly lower fluid balance, larger ultrafiltration volume, and similar ultrafiltration rate during the first 3 days of RRT. Multivariate Cox regression analysis revealed that positive fluid balance during the first day of RRT, cardiac function of grade IV, and higher Sequential Organ Failure Assessment score were independent risk factors of 30-day mortality. Conclusion: Fluid balance was more relevant to short-term prognosis of CSA-AKI-RRT patients than ultrafiltration volume or ultrafiltration rate.
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Abstract
Objective To evaluate the incidence, risk, or protective factors of acute kidney injury (AKI) in patients after cardiac surgery based on the Kidney Disease: Improving Global Outcomes (KDIGO) criteria. Methods A retrospective analysis of 2,575 patients undergoing their first documented cardiac surgery with cardiopulmonary bypass (CPB) was conducted. Perioperative variables were collected and analyzed. Univariate and multiple logistic regression models were used for determining the association between the development of AKI and risk factors. Multiple Cox-proportional hazards modeling was performed to evaluate the impact of AKI on the mortality in the intensive care unit and hospital length of stay. Results Of 2,575 patients, 931 (36%) developed AKI. A total of 30 (1.2%) patients required renal replacement therapy. In the multivariate analysis, mechanical ventilation duration (OR1.446, 95% CI 1.195-1.749, p<0.001), CPB duration of ≥110 min (OR 1.314, 95% CI 1.072-1.611, p=0.009), erythrocytes transfusion (OR 1.078, 95% CI 1.050-1.106, p<0.001), and postoperative body temperature greater than 38°C within 3 days (OR 1.234, 95% CI 1.018-1.496, p=0.032) were independent risk factors for CSA-AKI, while ulinastatin use was associated with a reduced incidence of CSA-AKI (OR 0.694, 95% CI 0.557-0.881, p=0.006). CSA-AKI was significantly associated with in-hospital mortality (adjusted HR: 2.218, 95% CI 1.161-4.238, p=0.016), especially in patients needing renal replacement therapy (adjusted HR: 18.683, 95% CI 8.579-40.684, p<0.001). Conclusion Mechanical ventilation duration, erythrocytes transfusion, and postoperative body temperature above 38°C within 3 days were considered independent risk factors for CSA-AKI. The use of ulinastatin was associated with a reduced incidence of CSA-AKI.
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Affiliation(s)
- Xiangcheng Xie
- Department of Nephrology, Nanjing First Hospital, Nanjing Medical University, China
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Mitaka C, Ohnuma T, Murayama T, Kunimoto F, Nagashima M, Takei T, Iguchi N, Tomita M. Effects of low-dose atrial natriuretic peptide infusion on cardiac surgery-associated acute kidney injury: A multicenter randomized controlled trial. J Crit Care 2016; 38:253-258. [PMID: 27997877 DOI: 10.1016/j.jcrc.2016.12.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 12/01/2016] [Accepted: 12/07/2016] [Indexed: 11/17/2022]
Abstract
PURPOSE To evaluate the effects of atrial natriuretic peptide (ANP) on renal function and medical costs in patients with acute kidney injury (AKI) associated with cardiac surgery. MATERIALS AND METHODS The Japanese trial for AKI in Post-cardiovascular surgery patients by ANP (JAPAN) was a prospective, multicenter, randomized, double-blind, placebo-controlled study conducted in 11 hospitals in Japan. Acute kidney injury was defined as an increase in serum creatinine of at least 0.3 mg/dL within 48 hours. The patients were randomly assigned to receive ANP (0.02 μg kg-1 min-1) or placebo. The primary end point was a change in renal function. The secondary end points were a need for renal replacement therapy, the lengths of intensive care unit and hospital stays, and medical costs incurred over the 90-day follow-up. RESULTS Of the 77 randomized patients, 37 were in the ANP group and 40 were in the placebo group. Although ANP significantly (P = .018) increased urine output, it did not significantly improve renal function compared with placebo. There were no significant differences between the groups in the renal replacement therapy rate, the lengths of the intensive care unit and hospital stays, or medical costs. CONCLUSION Atrial natriuretic peptide infusion did not show a renoprotective effect or cost-saving effect in the treatment of cardiac surgery-associated AKI.
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Affiliation(s)
- Chieko Mitaka
- Department of Anesthesiology, Tokyo Medical and Dental University Hospital of Medicine, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan; Department of Anesthesiology and Pain Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan,.
| | - Tetsu Ohnuma
- Intensive Care Unit, Department of Anesthesiology, Saitama Medical Center, Jichi Medical University, 1-847 Amanuma, Ohmiya-ku, Saitama 330-8503, Japan.
| | - Takanori Murayama
- Intensive Care Unit, Department of Anesthesiology, Saitama Medical Center, Jichi Medical University, 1-847 Amanuma, Ohmiya-ku, Saitama 330-8503, Japan.
| | - Fumio Kunimoto
- Intensive Care Unit, Gunma University Hospital, 3-39-15 Shouwa, Maebashi, Gunma 371-8511, Japan.
| | - Michio Nagashima
- Intensive Care Unit, Yokohama City Minato Red Cross Hospital, 3-12-1 Shinyamashita, Naka-ku, Yokohama, Kanagawa 231-8682, Japan.
| | - Tetsuhiro Takei
- Intensive Care Unit, Yokohama City Minato Red Cross Hospital, 3-12-1 Shinyamashita, Naka-ku, Yokohama, Kanagawa 231-8682, Japan.
| | - Naoya Iguchi
- Intensive Care Unit, Osaka University Hospital, 2-15 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Makoto Tomita
- Clinical Research Center, Tokyo Medical and Dental University Hospital of Medicine 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan.
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Neugarten J, Sandilya S, Singh B, Golestaneh L. Sex and the Risk of AKI Following Cardio-thoracic Surgery: A Meta-Analysis. Clin J Am Soc Nephrol 2016; 11:2113-2122. [PMID: 27797892 PMCID: PMC5142065 DOI: 10.2215/cjn.03340316] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 08/16/2016] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND OBJECTIVES Being a woman is a well established risk factor for the development of cardiothoracic surgery-associated AKI. In striking contrast, women are less likely to develop AKI associated with noncardiac surgical procedures than men. In an attempt to ascertain why being a woman might be protective for ischemic AKI after general surgery but deleterious in patients undergoing cardiothoracic surgery, we examined cardiothoracic surgery-associated AKI in greater detail. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS We performed a systematic review and meta-analysis of cardiothoracic surgery-associated AKI studies published between January of 1978 and December of 2015 to further explore the relationship between sex and cardiothoracic surgery-associated AKI. RESULTS Sixty-four studies were identified that provided sex-specific data regarding the incidence of cardiothoracic surgery-associated AKI among 1,057,412 subjects. Using univariate analysis, women were more likely than men to develop AKI postoperatively (odds ratio, 1.21; 95% confidence interval, 1.09 to 1.33; P<0.001). However, when the analysis was restricted to the 120,464 subjects reported in 29 studies that used the Acute Kidney Injury Network criteria, the RIFLE criteria, or the Kidney Disease Improving Global Outcomes criteria to define AKI, there was no significant sex-related difference in risk. Seventeen studies used multivariate analysis to assess risk factors for cardiothoracic surgery-associated AKI and provided sex-specific odd ratios. Among the 1,587,181 individuals included in these studies, the risk of developing cardiothoracic surgery-associated AKI was not significantly associated with sex (odds ratio, 1.04; 95% confidence interval, 0.92 to 1.19; P=0.51). However, when the analysis was restricted to the 5106 subjects reported in four studies that used the Acute Kidney Injury Network criteria to define AKI, the risk of developing AKI was significantly lower in women compared with in men (odds ratio, 0.75; 95% confidence interval, 0.65 to 0.87; P<0.001). CONCLUSIONS Our systematic review and meta-analysis contradict the generally held consensus that being a woman is an independent risk factor for the development of cardiothoracic surgery-associated AKI.
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Affiliation(s)
- Joel Neugarten
- Nephrology Division, Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York
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Skrypnyk NI, Siskind LJ, Faubel S, de Caestecker MP. Bridging translation for acute kidney injury with better preclinical modeling of human disease. Am J Physiol Renal Physiol 2016; 310:F972-84. [PMID: 26962107 PMCID: PMC4889323 DOI: 10.1152/ajprenal.00552.2015] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 03/04/2016] [Indexed: 12/14/2022] Open
Abstract
The current lack of effective therapeutics for patients with acute kidney injury (AKI) represents an important and unmet medical need. Given the importance of the clinical problem, it is time for us to take a few steps back and reexamine current practices. The focus of this review is to explore the extent to which failure of therapeutic translation from animal studies to human studies stems from deficiencies in the preclinical models of AKI. We will evaluate whether the preclinical models of AKI that are commonly used recapitulate the known pathophysiologies of AKI that are being modeled in humans, focusing on four common scenarios that are studied in clinical therapeutic intervention trials: cardiac surgery-induced AKI; contrast-induced AKI; cisplatin-induced AKI; and sepsis associated AKI. Based on our observations, we have identified a number of common limitations in current preclinical modeling of AKI that could be addressed. In the long term, we suggest that progress in developing better preclinical models of AKI will depend on developing a better understanding of human AKI. To this this end, we suggest that there is a need to develop greater in-depth molecular analyses of kidney biopsy tissues coupled with improved clinical and molecular classification of patients with AKI.
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Affiliation(s)
- Nataliya I Skrypnyk
- Division of Nephology and Hypertension, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Leah J Siskind
- Department of Pharmacology and Toxicology, James Graham Brown Cancer Center, University of Louisville, Louisville, Kentucky; and
| | - Sarah Faubel
- Renal Division, University of Colorado Denver and Denver Veterans Affairs Medical Center, Aurora, Colorado
| | - Mark P de Caestecker
- Division of Nephology and Hypertension, Vanderbilt University Medical Center, Nashville, Tennessee;
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Wan X, Xie X, Gendoo Y, Chen X, Ji X, Cao C. Ulinastatin administration is associated with a lower incidence of acute kidney injury after cardiac surgery: a propensity score matched study. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2016; 20:42. [PMID: 26884251 PMCID: PMC4756409 DOI: 10.1186/s13054-016-1207-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Accepted: 01/23/2016] [Indexed: 12/22/2022]
Abstract
BACKGROUND Systemic inflammation is involved in the development of acute kidney injury (AKI) after cardiac surgery with cardiopulmonary bypass (CPB). Ulinastatin, a urinary trypsin inhibitor (UTI), possesses a variety of anti-inflammatory effects. Therefore, we hypothesized that the administration of ulinastatin would reduce the occurrence of AKI in patients undergoing cardiac surgery with CPB. METHODS A retrospective propensity score matched analysis was used to evaluate the effect of ulinastatin on the development of AKI in patients undergoing first documented cardiac surgery with CPB between January 2008 and December 2012 in our hospital. Multiple logistic regression models were also employed to identify the association between UTI administration and development of AKI. RESULTS A total of 2072 patients who underwent cardiac surgery with CPB met the inclusion criteria. Before propensity score matching, variables such as age, baseline creatinine, CPB duration, red blood cells transfused, and hematocrit were statistically different between the ulinastatin (UTI) group and the control group. On the basis of propensity scores, 409 UTI patients were successfully matched to the 409 patients from among those 1663 patients without UTI administration. After propensity score matching, no statistically significant differences in the baseline characteristics were found between the UTI group and the control group. The propensity score matched cohort analysis revealed that AKI and the need for renal replacement therapy occurred more frequently in the control group than in the UTI group (40.83% vs. 30.32%, P = 0.002; 2.44% vs. 0.49%, P = 0.02, respectively). However, there were no significant differences in mortality, length of intensive care unit stay, and length of hospital stay between the UTI group and the control group. Using multivariate logistic regression analysis, we found ulinastatin played a protective role in the development of AKI after cardiac surgery (odds ratio 0.71, 95% confidence interval 0.56-0.90, P = 0.005). CONCLUSIONS This study shows that ulinastatin was associated with a lower incidence of AKI after cardiac surgery, suggesting that the administration of ulinastatin may be favorable for those patients undergoing cardiac surgery with CPB.
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Affiliation(s)
- Xin Wan
- Department of Nephrology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, Jiangsu, 210006, China.
| | - Xiangcheng Xie
- Department of Nephrology, Hangzhou First People's Hospital, Nanjing Medical University, 261 Huansha Road, Hangzhou, Zhejiang, 310006, China.
| | - Yasser Gendoo
- Department of Nephrology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, Jiangsu, 210006, China.
| | - Xin Chen
- Division of Thoracic and Cardiovascular Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Xiaobing Ji
- Department of Nephrology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, Jiangsu, 210006, China.
| | - Changchun Cao
- Department of Nephrology, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing, Jiangsu, 210006, China.
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Insuffisance rénale aiguë périopératoire : quoi de neuf ? MEDECINE INTENSIVE REANIMATION 2015. [DOI: 10.1007/s13546-015-1117-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Huang SM, Huang SC, Wang CH, Wu IH, Chi NH, Yu HY, Hsu RB, Chang CI, Wang SS, Chen YS. Risk factors and outcome analysis after surgical management of ventricular septal rupture complicating acute myocardial infarction: a retrospective analysis. J Cardiothorac Surg 2015; 10:66. [PMID: 25935413 PMCID: PMC4426168 DOI: 10.1186/s13019-015-0265-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Accepted: 04/17/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Ventricular septal rupture (VSR) is an uncommon but well-recognized mechanical complication of acute myocardial infarction (AMI). The outcome of VSR remains poor even in the era of reperfusion therapy. We reviewed our experience with surgical repair of post-infarction VSR and analyzed outcomes in an attempt to identify prognostic factors. METHODS From October 1995 to December 2013, data from 47 consecutive patients (mean age, 68 ± 9.5 years) with post-infarction VSR who underwent surgical repair at our institute were retrospectively reviewed. The preoperative conditions, morbidity and surgical mortality were analyzed. Multivariate analysis was subsequently carried out by constructing a logistic regression model in order to identify independent predictors of postoperative mortality. Long term survival function were estimated using the Kaplan-Meier method and compared using the log-rank test. RESULTS Percutaneous coronary intervention was performed in 17 (36.2%) patients, intra-aortic balloon pump (IABP) was used in 34 (72.3%), and six (12.8%) were supported with extracorporeal membrane oxygenation (ECMO) preoperatively. Forty-one (87.2%) patients received emergent surgical treatment. Concomitant coronary artery bypass grafting was performed in 27 (57.4%) patients. Operative mortality was 36.2% (17 of 47). The survival rate was 59.3% with concomitant CABG and 70% without concomitant CABG (p = 14). Multivariate analysis revealed that the survivors had higher preoperative left ventricular ejection fractions (LVEFs) compared with those who died (51 ± 13.7% vs. 36.6 ± 6.4% , respectively; p < 0.001) and lower European system for cardiac operative risk evaluation II (EuroSCORE II) (22.9 ± 14.9 vs. 38.3 ± 13.9, respectively; p < 0.001). The patients receiving total revascularization has long term survival benefit (p = 0.028). CONCLUSIONS Post-infarction VSR remains a serious and challenging complication of AMI in the modern surgical era. The EuroSCORE II can be used for an approximate prediction of operative mortality. Preserved LVEF was associated with better prognosis, while the need for postoperative RRT was associated with higher early and late mortality. Besides, the strategy of total revascularization should be applied to ensure long-term survival benefit.
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Affiliation(s)
- Shih-Ming Huang
- Departments of Surgery, Buddhist Tzu Chi General Hospital, Dalin Branch, Chiayi, Taiwan.
| | - Shu-Chien Huang
- Departments of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
| | - Chih-Hsien Wang
- Departments of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
| | - I-Hui Wu
- Departments of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
| | - Nai-Hsin Chi
- Departments of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
| | - Hsi-Yu Yu
- Departments of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
| | - Ron-Bin Hsu
- Departments of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
| | - Chung-I Chang
- Departments of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
| | - Shoei-Shen Wang
- Departments of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
| | - Yih-Sharng Chen
- Departments of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan.
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Yu L, Gu T, Zhang G, Cheng S, Fang Q, Mao N. The deep hypothermic circulatory arrest causes more kidney malfunctions based on a novel rabbit model. Ann Saudi Med 2014; 34:532-40. [PMID: 25971829 PMCID: PMC6074567 DOI: 10.5144/0256-4947.2014.532] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND AND OBJECTIVES High incidences of acute kidney injury after cardiopulmonary bypass (CPB) were observed in previous reports. However, whether deep hypothermic circulatory arrest (DHCA) leads to more severe kidney injury than CPB without DHCA remains controversial. The aim of the study was to investigate the effects of DHCA on renal function in a novel rabbit model of using closed-thoracic DHCA. DESIGN AND SETTINGS Experimental study on New Zealand white rabbits performed in the Department of Cardiac Surgery, the First Affiliated Hospital of China Medical University. METHODS Thirty rabbits were randomly divided into 3 groups : the sham-operated group (Group A, N=10), the CPB group (Group B, N=10), and the DHCA group (Group C, N=10). Serum creatinine (Scr), blood urea nitrogen (BUN), serum cystatin C, neutrophil gelatinase-associated lipocalin (NGAL), malondialdehyde (MDA) levels, superoxide dismutase (SOD) activities, histopathologic llesions, and apoptosis were assessed. RESULTS Each single rabbit in Groups B and C died during surgery. Animals received DHCA exhibited more severe kidney impairments than those received CPB and those that were sham operated. Scr and BUN concentrations at 24 and 48 hours after surgery; cystatin C and NGAL concentrations at 12, 24, and 48 hours after surgery; MDA levels, histopathological lesions, and apoptosis score of the kidneys were the highest in Group C, followed by Group B, and were the lowest in Group A (all P < .05). The activities of SOD were the lowest in Group C, followed by Group B, and were the highest in Group A (P < .05). CONCLUSION Our study established a simple, convenient, economical, and long-term surviving rabbit model for the study of DHCA-induced organic injury. Based on more significant kidney injuries, including elevated levels of serum cystatin C and NGAL at an early time, increased lipid peroxidation, decreased renal antioxidative ability, enhanced histological lesions, and increased tubular epithelial apoptosis from DHCA animals, we concluded that DHCA has more kidney dysfunctions than CPB without DHCA.
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Affiliation(s)
| | - Tianxiang Gu
- Tianxiang Gu, MD, Department of Cardiac Surgery, China Medical University,, The First Affiliated Hospital of China,, Shenyang 110001, China, T: +86-24-83283455,, F: +86-24-83283455,
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Heringlake M, Nowak Y, Schön J, Trautmann J, Berggreen AE, Charitos EI, Paarmann H. Postoperative intubation time is associated with acute kidney injury in cardiac surgical patients. Crit Care 2014; 18:547. [PMID: 25277725 PMCID: PMC4209080 DOI: 10.1186/s13054-014-0547-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Accepted: 09/17/2014] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Acute kidney injury (AKI) is a frequent complication after cardiac surgery and is associated with a poor prognosis. Mechanical ventilation is an important risk factor for developing AKI in critically ill patients. Ventilation with high tidal volumes has been associated with postoperative organ dysfunction in cardiac surgical patients. No data are available about the effects of the duration of postoperative respiratory support in the immediate postoperative period on the incidence of AKI in patients after cardiac surgery. METHOD We performed a secondary analysis of 584 elective cardiac surgical patients enrolled in an observational trial on the association between preoperative cerebral oxygen saturation and postoperative organ dysfunction and analyzed the incidence of AKI in patients with different times to extubation. The latter variable was graded in 4 h intervals (if below 16 h) or equal to or greater than 16 h. AKI was staged according to the AKI Network criteria. RESULTS Overall, 165 (28.3%) patients developed AKI (any stage), 43 (7.4%) patients needed renal replacement therapy. Patients developing AKI had a significantly (P <0.001) lower renal perfusion pressure (RPP) in the first 8 hours after surgery (57.4 mmHg (95% CI: 56.0 to 59.0 mmHg)) than patients with a postoperatively preserved renal function (60.5 mmHg ((95% CI: 59.9 to 61.4 mmHg). The rate of AKI increased from 17.0% in patients extubated within 4 h postoperatively to 62.3% in patients ventilated for more than 16 h (P <0.001). Multivariate logistic regression analysis of variables significantly associated with AKI in the univariate analysis revealed that the time to the first extubation (OR: 1.024/hour, 95% CI: 1.011 to 1.044/hour; P <0.001) and RPP (OR: 0.963/mmHg; 95% CI: 0.934 to 0.992; P <0.001) were independently associated with AKI. CONCLUSION Without taking into account potentially unmeasured confounders, these findings are suggestive that the duration of postoperative positive pressure ventilation is an important and previously unrecognized risk factor for AKI in cardiac surgical patients, independent from low RPP as an established AKI trigger, and that even a moderate delay of extubation increases AKI risk. If replicated independently, these findings may have relevant implications for clinical care and for further studies aiming at the prevention of cardiac surgery associated AKI.
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