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Brown JR, Baker RA, Shore-Lesserson L, Fox AA, Mongero LB, Lobdell KW, LeMaire SA, De Somer FMJJ, Wyler von Ballmoos M, Barodka V, Arora RC, Firestone S, Solomon R, Parikh CR, Shann KG, Hammon J. The Society of Thoracic Surgeons/Society of Cardiovascular Anesthesiologists/American Society of Extracorporeal Technology Clinical Practice Guidelines for the Prevention of Adult Cardiac Surgery-Associated Acute Kidney Injury. Ann Thorac Surg 2023; 115:34-42. [PMID: 36549802 DOI: 10.1016/j.athoracsur.2022.06.054] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 06/21/2022] [Accepted: 06/25/2022] [Indexed: 12/24/2022]
Affiliation(s)
- Jeremiah R Brown
- Departments of Epidemiology, Biomedical Data Science, and Health Policy and Clinical Practice, Dartmouth Geisel School of Medicine, Hanover, New Hampshire
| | - Robert A Baker
- Cardiothoracic Surgery Quality and Outcomes Unit and Perfusion Service, Department of Surgery, Flinders Medical Centre and Flinders University, Adelaide, South Australia, Australia
| | | | - Amanda A Fox
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas; McDermott Center for Human Growth and Development, University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Kevin W Lobdell
- Cardiovascular Surgery, Sanger Heart & Vascular Institute, Atrium Health, Charlotte, North Carolina.
| | - Scott A LeMaire
- Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas
| | | | | | - Viachaslau Barodka
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Rakesh C Arora
- Section of Cardiac Surgery, Department of Surgery, Max Rady College of Medicine, University of Manitoba, Manitoba, Winnipeg, Canada
| | | | - Richard Solomon
- Division of Nephrology and Hypertension, University of Vermont Larner College of Medicine, Burlington, Vermont
| | - Chirag R Parikh
- Division of Nephrology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Kenneth G Shann
- Division of Cardiac Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - John Hammon
- Department of Cardiothoracic Surgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina
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Brown JR, Baker RA, Shore-Lesserson L, Fox AA, Mongero LB, Lobdell KW, LeMaire SA, De Somer FMJJ, Wyler von Ballmoos M, Barodka V, Arora RC, Firestone S, Solomon R, Parikh CR, Shann KG, Hammon J. The Society of Thoracic Surgeons/Society of Cardiovascular Anesthesiologists/American Society for Extracorporeal Technology Clinical Practice Guidelines for the Prevention of Adult Cardiac Surgery-Associated Acute Kidney Injury. Anesth Analg 2023; 136:176-184. [PMID: 36534719 DOI: 10.1213/ane.0000000000006286] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Jeremiah R Brown
- Departments of Epidemiology, Biomedical Data Science, and Health Policy and Clinical Practice, Dartmouth Geisel School of Medicine, Hanover, New Hampshire
| | - Robert A Baker
- Cardiothoracic Surgery Quality and Outcomes Unit and Perfusion Service, Department of Surgery, Flinders Medical Centre and Flinders University, Adelaide, South Australia, Australia
| | - Linda Shore-Lesserson
- Department of Anesthesiology, Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York
| | - Amanda A Fox
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas; McDermott Center for Human Growth and Development, University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Kevin W Lobdell
- Cardiovascular Surgery, Sanger Heart & Vascular Institute, Atrium Health, Charlotte, North Carolina
| | - Scott A LeMaire
- Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas
| | | | | | - Viachaslau Barodka
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Rakesh C Arora
- Section of Cardiac Surgery, Department of Surgery, Max Rady College of Medicine, University of Manitoba, Manitoba, Winnipeg, Canada
| | | | - Richard Solomon
- Division of Nephrology and Hypertension, University of Vermont Larner College of Medicine, Burlington, Vermont
| | - Chirag R Parikh
- Division of Nephrology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Kenneth G Shann
- Division of Cardiac Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - John Hammon
- Department of Cardiothoracic Surgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina
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Milne B, Gilbey T, Kunst G. Perioperative Management of the Patient at High-Risk for Cardiac Surgery-Associated Acute Kidney Injury. J Cardiothorac Vasc Anesth 2022; 36:4460-4482. [PMID: 36241503 DOI: 10.1053/j.jvca.2022.08.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/27/2022] [Accepted: 08/22/2022] [Indexed: 11/11/2022]
Abstract
Acute kidney injury (AKI) is one of the most common major complications of cardiac surgery, and is associated with increased morbidity and mortality. Cardiac surgery-associated AKI has a complex, multifactorial etiology, including numerous factors such as primary cardiac dysfunction, hemodynamic derangements of cardiac surgery and cardiopulmonary bypass, and the possibility of a large volume of blood transfusion. There are no truly effective pharmacologic therapies for the management of AKI, and, therefore, anesthesiologists, intensivists, and cardiac surgeons must remain vigilant and attempt to minimize the risk of developing renal dysfunction. This narrative review describes the current state of the scientific literature concerning the specific aspects of cardiac surgery-associated AKI, and presents it in a chronological fashion to aid the perioperative clinician in their approach to this high-risk patient group. The evidence was considered for risk prediction models, preoperative optimization, and the intraoperative and postoperative management of cardiac surgery patients to improve renal outcomes.
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Affiliation(s)
- Benjamin Milne
- Department of Anaesthetics and Pain Medicine, King's College Hospital NHS Foundation Trust, London, United Kingdom; National Institute of Health Research Academic Clinical Fellow, King's College London, London, United Kingdom
| | - Tom Gilbey
- Department of Anaesthetics and Pain Medicine, King's College Hospital NHS Foundation Trust, London, United Kingdom; National Institute of Health Research Academic Clinical Fellow, King's College London, London, United Kingdom
| | - Gudrun Kunst
- Department of Anaesthetics and Pain Medicine, King's College Hospital NHS Foundation Trust, London, United Kingdom; School of Cardiovascular Medicine and Metabolic Medicine and Sciences, King's College London, British Heart Foundation Centre of Excellence, Faculty of Life Sciences and Medicine, London, United Kingdom.
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4
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Yavuz Ş, Engin M, Aydın U, Ata Y. Which inotropic agents should be used in cardiac surgery? What dose should be used? J Card Surg 2022; 37:2489-2490. [PMID: 35419872 DOI: 10.1111/jocs.16518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 04/05/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Şenol Yavuz
- Department of Cardiovascular Surgery, Bursa Yuksek Ihtisas Training and Research Hospital, University of Health Sciences, Bursa, Turkey
| | - Mesut Engin
- Department of Cardiovascular Surgery, Bursa Yuksek Ihtisas Training and Research Hospital, University of Health Sciences, Bursa, Turkey
| | - Ufuk Aydın
- Department of Cardiovascular Surgery, Bursa Yuksek Ihtisas Training and Research Hospital, University of Health Sciences, Bursa, Turkey
| | - Yusuf Ata
- Department of Cardiovascular Surgery, Bursa Yuksek Ihtisas Training and Research Hospital, University of Health Sciences, Bursa, Turkey
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Sickeler RA, Kertai MD. Risk Assessment and Perioperative Renal Dysfunction. Perioper Med (Lond) 2022. [DOI: 10.1016/b978-0-323-56724-4.00008-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Comprehensive Comparisons among Inotropic Agents on Mortality and Risk of Renal Dysfunction in Patients Who Underwent Cardiac Surgery: A Network Meta-Analysis of Randomized Controlled Trials. J Clin Med 2021; 10:jcm10051032. [PMID: 33802296 PMCID: PMC7959132 DOI: 10.3390/jcm10051032] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 02/23/2021] [Accepted: 02/26/2021] [Indexed: 02/07/2023] Open
Abstract
Several kinds of inotropes have been used in critically ill patients to improve hemodynamics and renal dysfunction after cardiac surgery; however, the treatment strategies for reducing mortality and increasing renal protection in patients who underwent cardiac surgery remain controversial. Therefore, we performed a comprehensive network meta-analysis to overcome the lack of head-to-head comparisons. A systematic database was searched up to 31 December 2020, for randomized controlled trials that compared different inotropes on mortality outcomes and renal protective effects after cardiac surgery. A total of 29 trials were included and a frequentist network meta-analysis was performed. Inconsistency analyses, publication bias, and subgroup analyses were also conducted. Compared with placebo, use of levosimendan significantly decreased the risks of mortality (odds ratio (OR): 0.74; 95% confidence interval (CI): 0.56–0.97) and risk of acute renal injury (OR: 0.61; 95% CI: 0.45–0.82), especially in low systolic function patients. Use of levosimendan also ranked the best treatment based on the P-score (90.1%), followed by placebo (64.5%), milrinone (49.6%), dopamine (49.5%), dobutamine (29.1%), and fenoldopam (17.0%). Taking all the available data into consideration, levosimendan was a safe renal-protective choice for the treatment of patients undergoing cardiac surgery, especially for those with low systolic function.
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7
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Tang SCW, Wong AKM, Mak SK. Clinical practice guidelines for the provision of renal service in Hong Kong: General Nephrology. Nephrology (Carlton) 2019; 24 Suppl 1:9-26. [PMID: 30900340 DOI: 10.1111/nep.13500] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Sydney Chi-Wai Tang
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong
| | | | - Siu-Ka Mak
- Department of Medicine and Geriatrics, Kwong Wah Hospital, Hong Kong
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8
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Soliman R, Hussien M. Comparison of the renoprotective effect of dexmedetomidine and dopamine in high-risk renal patients undergoing cardiac surgery: A double-blind randomized study. Ann Card Anaesth 2018; 20:408-415. [PMID: 28994675 PMCID: PMC5661309 DOI: 10.4103/aca.aca_57_17] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE The purpose of the current study was to compare the renoprotective effects of continuous infusion of dexmedetomidine and dopamine in high-risk renal patients undergoing cardiac surgery. DESIGN A double-blind randomized study. SETTING Cardiac Centers. PATIENTS One hundred and fifty patients with baseline serum creatinine level ≥1.4 mg/dl were scheduled for cardiac surgery with cardiopulmonary bypass. INTERVENTION The patients were classified into two groups (each = 75): Group Dex - the patients received a continuous infusion of dexmedetomidine 0.4 μg/kg/h without loading dose during the procedure and the first 24 postoperative hours and Group Dopa - the patients received a continuous infusion of dopamine 3 μg/kg/min during the procedure and the first 24 postoperative hours. MEASUREMENTS The monitors included serum creatinine, creatinine clearance, blood urea nitrogen, and urine output. MAIN RESULTS The creatinine levels and blood urea nitrogen decreased at days 1, 2, 3, 4, and 5 in Dex group and increased in patients of Dopa group (P < 0.05). The creatinine clearance increased at days 1, 2, 3, 4, and 5 in Dex group and decreased in patients of Dopa group (P < 0.05). The amount of urine output was too much higher in the Dex group than the Dopa group (P < 0.05). CONCLUSIONS The continuous infusion of dexmedetomidine during cardiac surgery has a renoprotective effect and decreased the deterioration in the renal function in high-risk renal patients compared to the continuous infusion of dopamine.
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Affiliation(s)
- Rabie Soliman
- Department of Cardiac Anesthesia, Madinah Cardiac Center, Almadinah Almonwarah, Saudi Arabia; Department of Cardiac Anesthesia, Cairo University, Giza, Egypt
| | - Mohamed Hussien
- Department of Cardiac Surgery, Madinah Cardiac Center, Almadinah Almonwarah, Saudi Arabia
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9
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Schetz M, Bove T, Morelli A, Mankad S, Ronco C, Kellum J. Prevention of Cardiac Surgery-Associated Acute Kidney Injury. Int J Artif Organs 2018; 31:179-89. [DOI: 10.1177/039139880803100211] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Numerous strategies have been evaluated to prevent early CSA-AKI. Although correction of hemodynamic problems is paramount, there are no clinical studies that compare different hemodynamic management or monitoring strategies with regard to their effect on kidney function. Pharmacologic strategies including diuretics, different classes of vasodilators and drugs with anti-inflammatory effects such as N-acetyl-cysteine, do not appear to be effective. Most of the studies are underpowered and use physiological rather than clinical endpoints. Further trials are warranted with fenoldopam and nesiritide (rhBNP). Observational and underpowered randomized studies show beneficial renal effects of off-pump technique and avoidance of aortic manipulation. There is very limited evidence for preoperative fluid loading and preemptive RRT. Potentially nephrotoxic agents should be used with caution in patients at risk of CSA-AKI. Tranexamic acid or aminocaproic acid should be preferred over aprotinin. No pharmacologic intervention has been adequately tested in the prevention of late CSA-AKI. A single-center study, including a predominance of patients after cardiac surgery, showed a decrease of kidney injury with tight glycemic control.
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Affiliation(s)
- M. Schetz
- Department of Intensive Care Medicine, University of Leuven, Leuven - Belgium
| | - T. Bove
- Department of Cardiothoracic Anesthesia and Intensive Care, Vita-Salute San Raffaele University, Milan - Italy
| | - A. Morelli
- Department of Anesthesiology and Intensive Care, University of Rome, La Sapienza, Rome - Italy
| | - S. Mankad
- Division of Cardiology, The Mayo Clinic, Rochester, Minnesota - USA
| | - C. Ronco
- Department of Nephrology, Dialysis and Transplantation, St. Bortolo Hospital - International Renal Research Institute Vicenza (IRRIV), Vicenza - Italy
| | - J.A. Kellum
- Department of Critical Care Medicine. University of Pittsburgh, Pittsburgh, Pennsylvania - USA
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10
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Cardiac Surgery-Associated Acute Kidney Injury. CURRENT ANESTHESIOLOGY REPORTS 2017. [DOI: 10.1007/s40140-017-0224-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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11
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Hering D, Winklewski PJ. R1 autonomic nervous system in acute kidney injury. Clin Exp Pharmacol Physiol 2017; 44:162-171. [DOI: 10.1111/1440-1681.12694] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2016] [Revised: 10/17/2016] [Accepted: 10/29/2016] [Indexed: 11/27/2022]
Affiliation(s)
- Dagmara Hering
- Dobney Hypertension Centre; School of Medicine and Pharmacology; Royal Perth Hospital Unit; The University of Western Australia; Perth WA Australia
| | - Pawel J Winklewski
- Institute of Human Physiology; Medical University of Gdansk; Gdansk Poland
- Department of Clinical Sciences; Institute of Health Sciences; Pomeranian University of Slupsk; Slupsk Poland
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12
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Comparison of Intraoperative Aminophylline Versus Furosemide in Treatment of Oliguria During Pediatric Cardiac Surgery. Pediatr Crit Care Med 2016; 17:753-63. [PMID: 27355823 PMCID: PMC5515381 DOI: 10.1097/pcc.0000000000000834] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
OBJECTIVES To determine if intraoperative aminophylline was superior to furosemide to prevent or attenuate postoperative cardiac surgery-associated acute kidney injury. DESIGN Single-center, historical control, retrospective cohort study. SETTING PICU, university-affiliated children's hospital. PATIENTS Children with congenital heart disease in PICU who received furosemide or aminophylline to treat intraoperative oliguria. INTERVENTIONS Intraoperative oliguria was treated either with furosemide (September 2007 to February 2012) or with aminophylline (February 2012 to June 2013). The postoperative 48 hours renal outcomes of the aminophylline group were compared with the furosemide group. The primary outcomes were acute kidney injury and renal replacement therapy use at 48 hours postoperatively. Surgical complexity was accounted for by the use of Risk Adjustment for Congenital Heart Surgery-1 score. MEASUREMENTS AND MAIN RESULTS The study involves 69 months of observation. There were 200 cases younger than 21 years old reviewed for this study. Eighty-five cases (42.5%) developed acute kidney injury. The aminophylline group patients produced significantly more urine (mL/kg/hr) during the first 8 hours postoperatively than furosemide patients (5.1 vs 3.4 mL/kg/hr; p = 0.01). The urine output at 48 hours postoperatively was similar between the two groups. There was no difference in acute kidney injury incidence at 48 hours between the aminophylline and furosemide groups (38% vs 47%, respectively; p = 0.29). Fewer aminophylline group subjects required renal replacement therapy compared to the furosemide group subjects (n = 1 vs 7, respectively; p = 0.03). In the multi-variant predictive model, intraoperative aminophylline infusion was noted as a negative predictive factor for renal replacement therapy, but not for cardiac surgery-associated acute kidney injury. CONCLUSION The intraoperative use of aminophylline was more effective than furosemide in reversal of oliguria in the early postoperative period. There were less renal replacement therapy-requiring acute kidney injury in children in the aminophylline group. Future prospective studies of intraoperative aminophylline to prevent cardiac surgery-associated acute kidney injury may be warranted.
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Narin EB, Oztekin I, Oztekin S, Ogutmen B. The pharmacological protection of renal function in patients undergoing cardiac surgery. Pak J Med Sci 2015; 31:1057-61. [PMID: 26648986 PMCID: PMC4641255 DOI: 10.12669/pjms.315.7679] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Objectives: To compare the effects of different routes and timings of administration of dopamine and mannitol used to alleviate the adverse effects of prolonged cardiopulmonary bypass (CPB) on renal functions in coronary artery surgery. Methods: Group I (n: 25 patients): Mannitol 1 g/kg was added into the priming solution for CPB. Group II (n: 25 patients): IV dopamine was administered at a dose of 2 μg/kg/min during the time period between anesthesia induction and end of surgery. Group III (n: 25 patients): IV dopamine was administered at a dose of 2 μg/kg/min during the time period between anesthesia induction and end of surgery and mannitol 1 g/kg was added into the priming solution for CPB. Group IV (n: 25 patients) (Controls): Furosemide was given when the urine output was low. Results: There was a significant increase in post operative urine microalbumin/creatinine ratio in all groups (p < 0.05), even increase of cystatin-c in Groups I, II and III (p < 0.01). Conclusions: We believe that concurrent use of dopamine infusion (2 μg/kg/min) with mannitol (1 g/kg) during CPB may represent a more effective strategy for the prevention of the untoward effects of CPB on renal functions.
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Affiliation(s)
- Emine Bilge Narin
- Emine Bilge Narin, Anesthesiologist, Department of Cardiac Surgery Intensive Care, Medicana Hospital, Umraniye, Istanbul, Turkey
| | - Ilhan Oztekin
- Ilhan Oztekin, Professor, Department of Anesthesiology & Reanimation, Faculty of Medicine, Trakya University, Edirne, Turkey
| | - SeherDeniz Oztekin
- Seher Deniz Oztekin, PhD. Professor in Nursing, Department of Surgical Nursing, Florence Nightingale Faculty of Nursing, Istanbul University, Istanbul, Turkey
| | - Betul Ogutmen
- Betul Ogutmen, Associate Professor, Department of Nephrology, DrSiyamiErsek Research and Training Hospital for Cardiovascular Surgery, Istanbul, Turkey
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Belletti A, Castro ML, Silvetti S, Greco T, Biondi-Zoccai G, Pasin L, Zangrillo A, Landoni G. The Effect of inotropes and vasopressors on mortality: a meta-analysis of randomized clinical trials. Br J Anaesth 2015; 115:656-75. [PMID: 26475799 DOI: 10.1093/bja/aev284] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Affiliation(s)
- A Belletti
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, via Olgettina 60, Milan 20132, Italy
| | - M L Castro
- Anaesthesiology Department, Centro Hospitalar Lisboa Central, EPE - Hospital de Santa Marta, Rua de Santa Marta 50, Lisbon 1169-024, Portugal
| | - S Silvetti
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, via Olgettina 60, Milan 20132, Italy
| | - T Greco
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, via Olgettina 60, Milan 20132, Italy Laboratorio di Statistica Medica, Biometria ed Epidemiologia "G. A. Maccacaro", Dipartimento di Scienze Cliniche e di Comunità, University of Milan, Via Festa del Perdono 7, Milan 20122, Italy
| | - G Biondi-Zoccai
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Corso della Repubblica 79, Latina 04100, Italy
| | - L Pasin
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, via Olgettina 60, Milan 20132, Italy
| | - A Zangrillo
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, via Olgettina 60, Milan 20132, Italy Vita-Salute San Raffaele University, via Olgettina 58, Milan 20132, Italy
| | - G Landoni
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, via Olgettina 60, Milan 20132, Italy Vita-Salute San Raffaele University, via Olgettina 58, Milan 20132, Italy
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15
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Di Tomasso N, Monaco F, Landoni G. Hepatic and renal effects of cardiopulmonary bypass. Best Pract Res Clin Anaesthesiol 2015; 29:151-61. [DOI: 10.1016/j.bpa.2015.04.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2015] [Revised: 04/04/2015] [Accepted: 04/14/2015] [Indexed: 12/14/2022]
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Abstract
Approximately 18% of patients undergoing cardiac surgery experience AKI (on the basis of modern standardized definitions of AKI), and approximately 2%-6% will require hemodialysis. The development of AKI after cardiac surgery portends poor short- and long-term prognoses, with those developing RIFLE failure or AKI Network stage III having an almost 2-fold increase in the risk of death. AKI is caused by a variety of factors, including nephrotoxins, hypoxia, mechanical trauma, inflammation, cardiopulmonary bypass, and hemodynamic instability, and it may be affected by the clinician's choice of fluids and vasoactive agents as well as the transfusion strategy used. The risk of AKI may be ameliorated by avoidance of nephrotoxins, achievement of adequate glucose control preoperatively, and use of goal-directed therapy hemodynamic strategies. Remote ischemic preconditioning is an exciting future strategy, but more work is needed before widespread implementation. Unfortunately, there are no pharmacologic agents known to reduce the risk of AKI or treat established AKI.
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Affiliation(s)
| | | | - Mitchell H Rosner
- Medicine, University of Virginia Health System, Charlottesville, Virginia
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17
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Zacharias M, Mugawar M, Herbison GP, Walker RJ, Hovhannisyan K, Sivalingam P, Conlon NP. Interventions for protecting renal function in the perioperative period. Cochrane Database Syst Rev 2013; 2013:CD003590. [PMID: 24027097 PMCID: PMC7154582 DOI: 10.1002/14651858.cd003590.pub4] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Various methods have been used to try to protect kidney function in patients undergoing surgery. These most often include pharmacological interventions such as dopamine and its analogues, diuretics, calcium channel blockers, angiotensin-converting enzyme (ACE) inhibitors, N-acetyl cysteine (NAC), atrial natriuretic peptide (ANP), sodium bicarbonate, antioxidants and erythropoietin (EPO). OBJECTIVES This review is aimed at determining the effectiveness of various measures advocated to protect patients' kidneys during the perioperative period.We considered the following questions: (1) Are any specific measures known to protect kidney function during the perioperative period? (2) Of measures used to protect the kidneys during the perioperative period, does any one method appear to be more effective than the others? (3) Of measures used to protect the kidneys during the perioperative period,does any one method appear to be safer than the others? SEARCH METHODS In this updated review, we searched the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library, Issue 2, 2012), MEDLINE (Ovid SP) (1966 to August 2012) and EMBASE (Ovid SP) (1988 to August 2012). We originally handsearched six journals (Anesthesia and Analgesia, Anesthesiology, Annals of Surgery, British Journal of Anaesthesia, Journal of Thoracic and Cardiovascular Surgery, and Journal of Vascular Surgery) (1985 to 2004). However, because these journals are properly indexed in MEDLINE, we decided to rely on electronic searches only without handsearching the journals from 2004 onwards. SELECTION CRITERIA We selected all randomized controlled trials in adults undergoing surgery for which a treatment measure was used for the purpose of providing renal protection during the perioperative period. DATA COLLECTION AND ANALYSIS We selected 72 studies for inclusion in this review. Two review authors extracted data from all selected studies and entered them into RevMan 5.1; then the data were appropriately analysed. We performed subgroup analyses for type of intervention, type of surgical procedure and pre-existing renal dysfunction. We undertook sensitivity analyses for studies with high and moderately good methodological quality. MAIN RESULTS The updated review included data from 72 studies, comprising a total of 4378 participants. Of these, 2291 received some form of treatment and 2087 acted as controls. The interventions consisted most often of different pharmaceutical agents, such as dopamine and its analogues, diuretics, calcium channel blockers, ACE inhibitors, NAC, ANP, sodium bicarbonate, antioxidants and EPO or selected hydration fluids. Some clinical heterogeneity and varying risk of bias were noted amongst the studies, although we were able to meaningfully interpret the data. Results showed significant heterogeneity and indicated that most interventions provided no benefit.Data on perioperative mortality were reported in 41 studies and data on acute renal injury in 44 studies (all interventions combined). Because of considerable clinical heterogeneity (different clinical scenarios, as well as considerable methodological variability amongst the studies), we did not perform a meta-analysis on the combined data.Subgroup analysis of major interventions and surgical procedures showed no significant influence of interventions on reported mortality and acute renal injury. For the subgroup of participants who had pre-existing renal damage, the risk of mortality from 10 trials (959 participants) was estimated as odds ratio (OR) 0.76, 95% confidence interval (CI) 0.38 to 1.52; the risk of acute renal injury (as reported in the trials) was estimated from 11 trials (979 participants) as OR 0.43, 95% CI 0.23 to 0.80. Subgroup analysis of studies that were rated as having low risk of bias revealed that 19 studies reported mortality numbers (1604 participants); OR was 1.01, 95% CI 0.54 to 1.90. Fifteen studies reported data on acute renal injury (criteria chosen by the individual studies; 1600 participants); OR was 1.03, 95% CI 0.54 to 1.97. AUTHORS' CONCLUSIONS No reliable evidence from the available literature suggests that interventions during surgery can protect the kidneys from damage. However, the criteria used to diagnose acute renal damage varied in many of the older studies selected for inclusion in this review, many of which suffered from poor methodological quality such as insufficient participant numbers and poor definitions of end points such as acute renal failure and acute renal injury. Recent methods of detecting renal damage such as the use of specific biomarkers and better defined criteria for identifying renal damage (RIFLE (risk, injury, failure, loss of kidney function and end-stage renal failure) or AKI (acute kidney injury)) may have to be explored further to determine any possible benefit derived from interventions used to protect the kidneys during the perioperative period.
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Affiliation(s)
- Mathew Zacharias
- Dunedin HospitalDepartment of Anaesthesia & Intensive CareGreat King StreetDunedinNew ZealandPrivate Bag 192
| | - Mohan Mugawar
- St Vincent's University HospitalDepartment of Anaesthesia and Intensive Care MedicineElm ParkDublinIreland4
| | - G Peter Herbison
- Dunedin School of Medicine, University of OtagoDepartment of Preventive & Social MedicinePO Box 913DunedinNew Zealand9054
| | - Robert J Walker
- University of OtagoDepartment of MedicineDunedin School of MedicinePO Box 913DunedinNew Zealand9015
| | - Karen Hovhannisyan
- RigshospitaletThe Cochrane Anaesthesia Review GroupBlegdamsvej 9,Afsnit 5211, rum 1204CopenhagenDenmark2100
| | - Pal Sivalingam
- Princess Alexandra HospitalDepartment of AnaesthesiaIpswich RoadWoolloongabbaBrisbaneAustralia4102
| | - Niamh P Conlon
- St Vincent's University HospitalDepartment of AnaesthesiaElm ParkDublinIreland4
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Sezai A, Nakata KI, Iida M, Yoshitake I, Wakui S, Hata H, Shiono M. Early results of human atrial natriuretic peptide infusion in non-dialysis patients with chronic kidney disease undergoing isolated coronary artery bypass grafting: the NU-HIT trial for CKD-II. Ann Thorac Cardiovasc Surg 2013; 20:217-22. [PMID: 23574999 DOI: 10.5761/atcs.oa.13.02252] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) is an important risk factor for cardiac surgery. In the most recently reported NU-HIT trial for CKD with CKD patients underwent coronary artery bypass grafting (CABG) as subjects, carperitide was reported to be effective in terms of renal function. In the present study, a subanalysis was performed on patients registered in the NU-HIT trial for CKD from the standpoint of renin-angiotensin system, natriuresis and renal function. METHODS 303 patients with CKD who underwent isolated CABG were divided into a group that received carperitide infusion and another group without carperitide. The renin activity, angiotensin-II, aldosterone, urine-sodium, urine- creatinine, fractional sodium excretion, renal failure index, and BNP levels. RESULTS There were significant lower in hANP group than the placebo group, in angiotensin-II at one day postoperatively, and in aldosterone from 0 day to one month postoperatively. FENa was significantly lower in the hANP group at 3 day and one week postoperatively. CONCLUSIONS In on pump isolated CABG patients with CKD, carperitide showed a potent natriuretic action and inhibited the renin-angiotensin system, suggesting that it prevented deterioration of postoperative renal function. Our findings raise new possibilities for the perioperative and postoperative management of patients undergoing surgery with cardiopulmonary bypass.
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Affiliation(s)
- Akira Sezai
- The Department of Cardiovascular Surgery, Nihon University School of Medicine
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Ricksten SE, Bragadottir G, Redfors B. Renal oxygenation in clinical acute kidney injury. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2013; 17:221. [PMID: 23514538 PMCID: PMC3672481 DOI: 10.1186/cc12530] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Thakar CV. Perioperative acute kidney injury. Adv Chronic Kidney Dis 2013; 20:67-75. [PMID: 23265598 DOI: 10.1053/j.ackd.2012.10.003] [Citation(s) in RCA: 117] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2012] [Revised: 10/01/2012] [Accepted: 10/05/2012] [Indexed: 01/04/2023]
Abstract
The incidence of acute kidney injury (AKI) is generally 5-7.5% in all acute care hospitalizations and accounts for up to 20% of admissions to intensive care units (ICUs). Of all of the cases of AKI during hospitalization, approximately 30-40% are observed in operative settings. AKI is a serious morbidity that is associated with greater length of hospital stay, high risk of hospital mortality, and increased risk of incident and progressive chronic kidney disease. The incidence of AKI is variable depending on the specific surgical setting under consideration. Much of our knowledge regarding the epidemiology of AKI is derived from studies related to cardiac or vascular surgery. With limited treatment options, prevention of AKI and amelioration of its severity remain important cornerstones of improving patient outcomes. The magnitude of the problem and the unique set of patient characteristics calls for a multidisciplinary approach for the perioperative management of renal complications. The purpose of the review presented here is to discuss the current knowledge regarding the epidemiology and risk factors, outcomes, diagnoses, and prevention and treatment of AKI during the perioperative period in cardiovascular and noncardiovascular surgical settings.
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Abstract
Cardiac surgery-associated acute kidney injury (AKI) is a major health problem that is extremely common and has a significant effect on cardiac surgical outcomes. AKI occurs in nearly 30 % of patients undergoing cardiac surgery, with about 1-2 % of these ultimately requiring dialysis. The development of AKI predicts a significant increase in morbidity and mortality independent of other risk factors. The pathogenetic mechanisms associated with cardiac surgery-associated AKI include several biochemical pathways, of which the most important are hemodynamic, inflammatory and nephrotoxic factors. Risk factors for AKI have been identified in several models, and these facilitate physicians to prognosticate and develop a strategy for tackling patients predisposed to developing renal dysfunction. Effective therapy of the condition is still suboptimal, and hence the accent has always been on risk factor modification. Thus, strategies for reducing preoperative anemia, perioperative blood transfusions and surgical re-explorations may be effective in attenuating the incidence and severity of this complication.
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Affiliation(s)
- Satyen Parida
- Department of Anesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education & Research, Dhanvantari Nagar, Pondicherry, India.
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22
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Thakar CV. Postoperative Kidney Injury. Perioper Med (Lond) 2012. [DOI: 10.1002/9781118375372.ch34] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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Pérez Vela J, Martín Benítez J, Carrasco González M, De la Cal López M, Hinojosa Pérez R, Sagredo Meneses V, del Nogal Saez F. Guías de práctica clínica para el manejo del síndrome de bajo gasto cardíaco en el postoperatorio de cirugía cardíaca. Med Intensiva 2012; 36:e1-44. [DOI: 10.1016/j.medin.2012.02.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 01/07/2012] [Indexed: 01/04/2023]
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Patel NN, Rogers CA, Angelini GD, Murphy GJ. Pharmacological therapies for the prevention of acute kidney injury following cardiac surgery: a systematic review. Heart Fail Rev 2011; 16:553-67. [PMID: 21400231 DOI: 10.1007/s10741-011-9235-5] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Post-cardiac surgery acute kidney injury (AKI) is common and is associated with a significant increase in morbidity and mortality. We aimed to systematically review randomised trials that assessed the renoprotective utility of pharmacological agents in patients undergoing cardiac surgery. We searched PubMed, Embase and the Cochrane Central Register of Controlled Trials for randomised controlled trials comparing renoprotective pharmacological interventions with control in adult patients undergoing cardiac surgery with cardiopulmonary bypass. We extracted data for mortality, need for renal replacement therapy (RRT), incidence of AKI, and creatinine clearance at 24-48 h. About 49 randomised controlled trials involving 4605 patients were included. Pharmacological interventions included dopamine, fenoldopam, calcium channel antagonists, natriuretic peptides, diuretics, and N-acetylcysteine. Most trials were of poor quality, with small sample sizes, under-reporting of randomisation procedure, allocation concealment and method of blinding. No pharmacological intervention significantly reduced mortality. Fenoldopam and Atrial Natriuretic Peptide (ANP) reduced the need for renal replacement therapy by 5% (NNT 20, 95% CI 11.3, 83.0) and 3.5% (NNT 29, 95% CI 17.1, 84.4), respectively. Brain Natriuretic Peptide resulted in a 10% reduction in the incidence of AKI (NNT 11, 95% CI 6.2, 32.0). Dopamine caused a significant reduction in creatinine clearance (-4.26 ml/min, 95% CI -7.14, -1.39). The quality of studies that have assessed pharmacological renoprotective agents in cardiac surgery is generally poor. Fenoldopam, ANP and BNP show evidence of renoprotection. Randomised studies evaluating the effect of novel renoprotective agents that are powered to detect clinically relevant differences in outcomes are required.
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Affiliation(s)
- Nishith N Patel
- Queen's Building, Bristol Heart Institute, Bristol Royal Infirmary, Bristol, BS2 8HW, UK
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Kumar B, Sinha PK, Unnikrishnan M. Anesthetic management of patients undergoing extra-anatomic renal bypass surgery for renovascular hypertension. Ann Card Anaesth 2011; 14:97-103. [PMID: 21636929 DOI: 10.4103/0971-9784.81563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Renal artery disease is the most common cause for surgically curable form of hypertension. In a small subset of patients with severe aortic disease where the aorta is not suitable for endovascular technique and to provide an arterial inflow, an extra-anatomic renal bypass surgery (EARBS) is an option. Anesthetic management of such procedures has not been described so far in the literature. We retrospectively analyzed the anesthetic techniques used in all patients who underwent EARBS between February 1998 and June 2008 at this institute. We also further analyzed data concerning blood pressure (BP) control and renal function response following surgery as outcome variable measures. A total of 11 patients underwent EARBS during this period. Five received oral clonidine with premedication. During laryngoscopy, esmolol was used in 4 patients, while lignocaine was used in remaining 7 patients. Of 11 patients, 7 showed significant hemodynamic response to laryngoscopy and intubation; among these, one had oral clonidine with premedicant, and 6 received lignocaine just before laryngoscopy. Intravenous vasodilators were used to maintain target BP within 20% of baseline during perioperative period. All patients received renal protective measures. During follow-up, 10% were considered cured, 70% had improved BP response, while 20% failed to show improvement in BP response. Renal functions improved in 54.5%, remain unchanged in 36.5%, and worsened in 9% of patients. Use of clonidine during premedication and esmolol before laryngoscopy were beneficial in attenuating hemodynamic response to laryngoscopy, while use of vasodilators to maintain target BP within 20% of baseline, and routine use of renal protective measures appear to be promising in patients undergoing EARBS.
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Affiliation(s)
- Bhupesh Kumar
- Campbellton Regional Hospital, Campbellton, NB, Canada
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Popov AF, Schulz EG, Schmitto JD, Coskun KO, Tzvetkov MV, Kazmaier S, Zimmermann J, Schöndube FA, Quintel M, Hinz J. Relation between renal dysfunction requiring renal replacement therapy and promoter polymorphism of the erythropoietin gene in cardiac surgery. Artif Organs 2011; 34:961-8. [PMID: 21092038 DOI: 10.1111/j.1525-1594.2010.01108.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Several genetic polymorphisms have been identified to play a role in the occurrence and progression of renal dysfunction after cardiac surgery with cardiopulmonary bypass (CPB). Recently, it was demonstrated that the T allele of SNP rs1617640 in the promoter of the erythropoetin (EPO) gene is significantly associated with proliferative diabetic retinopathy (PDR) and end-stage renal disease (ESRD) due to increased EPO expression. This disease risk-associated gene and its potential pathway mediating severe microvascular complications in T-allele carriers could also play a role on renal dysfunction in patients who underwent cardiac surgery with CPB. We hypothesized that the patients' ability to produce increased EPO concentrations will affect morbidity and mortality after CPB. We conducted a prospective single center study between April 2006 and May 2007. In 481 patients who underwent cardiac surgery with CPB we prospectively examined the SNP rs1617640 in the promoter of the EPO gene by DNA sequencing. The patients were grouped according to their genotype (GG, GT, and TT). The genotype distribution of SNP rs1617640 in the promoter of the EPO gene was 36% (TT), 49% (TG), and 15% (GG). There was no difference in age, body mass index, gender, CPB time, or length of stay in intensive care unit. The hospitalization was irrespective of the patients' genotypes. The baseline creatinine in the TT group was 0.2 points higher than in the other groups; however this was without statistical significance in the multivariate analysis. No significant difference was shown in Euroscore, the Simplified Acute Physiology Score II, the Acute Physiology and Chronic Health Evaluation Score II, Acute Renal Failure Score, or the Risk, Injury, Failure, Loss of Kidney Function Score. The mortality was equal across the genotypes. However, an association between the TT genotype and acute renal replacement therapy (P=0.03), intra-aortic balloon pump usage (P=0.02), and serum creatine phosphokinase-MB increase (P=0.03) were observed after cardiac surgery. Our analysis suggests that the risk allele (T) of rs1617640 plays a role in the development of renal dysfunction after cardiac surgery with CPB. Patients with the TT risk allele required more frequent acute renal replacement therapy. Since our result is close to the border of significance, this hypothesis should be investigated in larger prospective studies with long-term follow-up to emphasize this polymorphism as a potential risk factor.
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Affiliation(s)
- Aron F Popov
- Department of Thoracic Cardiovascular Surgery, University of Göttingen, Germany.
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Park M, Coca SG, Nigwekar SU, Garg AX, Garwood S, Parikh CR. Prevention and treatment of acute kidney injury in patients undergoing cardiac surgery: a systematic review. Am J Nephrol 2010; 31:408-18. [PMID: 20375494 PMCID: PMC2883845 DOI: 10.1159/000296277] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2010] [Accepted: 03/02/2010] [Indexed: 12/24/2022]
Abstract
BACKGROUND Acute kidney injury (AKI) is common in patients undergoing cardiac surgery and is associated with a high rate of death, long-term sequelae and healthcare costs. We conducted a systematic review of randomized controlled trials for strategies to prevent or treat AKI in cardiac surgery. METHODS We screened Medline, Scopus, Cochrane Renal Library, and Google Scholar for randomized controlled trails in cardiac surgery for prevention or treatment of AKI in adults. RESULTS We identified 70 studies that contained a total of 5,554 participants published until November 2008. Most studies were small in sample size, were single-center, focused on preventive strategies, and displayed wide variation in AKI definitions. Only 26% were assessed to be of high quality according to the Jadad criteria. The types of strategies with possible protective efficacy were dopaminergic agents, vasodilators, anti-inflammatory agents, and pump/perfusion strategies. When analyzed separately, dopamine and N-acetylcysteine did not reduce the risk for AKI. CONCLUSIONS This summary of all the literature on prevention and treatment strategies for AKI in cardiac surgery highlights the need for better information. The results advocate large, good-quality, multicenter studies to determine whether promising interventions reliably reduce rates of acute renal replacement therapy and mortality in the cardiac surgery setting.
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Affiliation(s)
- Meyeon Park
- Clinical Epidemiology Research Center, Veterans Affairs Medical Center, West Haven, Conn., USA
- Department of Medicine, Yale University School of Medicine, New Haven, Conn., USA
| | - Steven G. Coca
- Clinical Epidemiology Research Center, Veterans Affairs Medical Center, West Haven, Conn., USA
- Department of Medicine, Yale University School of Medicine, New Haven, Conn., USA
| | - Sagar U. Nigwekar
- Department of Medicine, University of Rochester School of Medicine, Rochester, N.Y., USA
| | - Amit X. Garg
- Division of Nephrology, University of Western Ontario, London, Ont., Canada
- Department of Epidemiology and Biostatistics, University of Western Ontario, London, Ont., Canada
- Institute for Clinical Evaluative Sciences, Toronto, Ont., Canada
| | - Susan Garwood
- Department of Anesthesiology, Yale University School of Medicine, New Haven, Conn., USA
| | - Chirag R. Parikh
- Clinical Epidemiology Research Center, Veterans Affairs Medical Center, West Haven, Conn., USA
- Department of Medicine, Yale University School of Medicine, New Haven, Conn., USA
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Redfors B, Bragadottir G, Sellgren J, Swärd K, Ricksten SE. Dopamine increases renal oxygenation: a clinical study in post-cardiac surgery patients. Acta Anaesthesiol Scand 2010; 54:183-90. [PMID: 19764906 DOI: 10.1111/j.1399-6576.2009.02121.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Imbalance of the renal medullary oxygen supply/demand relationship can cause ischaemic acute renal failure (ARF). The use of dopamine for prevention/treatment of ischaemic ARF has been questioned. It has been suggested that dopamine may increase renal oxygen consumption (RVO(2)) due to increased solute delivery to tubular cells, which may jeopardize renal oxygenation. Information on the effects of dopamine on renal perfusion, filtration and oxygenation in man is, however, lacking. We evaluated the effects of dopamine on renal blood flow (RBF), glomerular filtration rate (GFR), RVO(2) and renal O(2) demand/supply relationship, i.e. renal oxygen extraction (RO(2)Ex). METHODS Twelve uncomplicated, mechanically ventilated and sedated post-cardiac surgery patients with pre-operatively normal renal function were studied. Dopamine was sequentially infused at 2 and 4 ug/kg/min. Systemic haemodynamics were evaluated by a pulmonary artery catheter. Absolute RBF was measured using two independent techniques: by the renal vein thermodilution technique and by infusion clearance of paraaminohippuric acid (PAH), with a correction for renal extraction of PAH. The filtration fraction (FF) was measured by the renal extraction of (51)Cr-EDTA. RESULTS Neither GFR, tubular sodium reabsorption nor RVO(2) was affected by dopamine, which increased RBF (45-55%) with both methods, decreased renal vascular resistance (30-35%), FF (21-26%) and RO(2)Ex (28-34%). The RBF/CI ratio increased with dopamine. Dopamine decreased renal PAH extraction, suggestive of a flow distribution to the medulla. CONCLUSIONS In post-cardiac surgery patients, dopamine increases the renal oxygenation by a pronounced renal pre-and post-glomerular vasodilation with no increases in GFR, tubular sodium reabsorption or renal oxygen consumption.
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Affiliation(s)
- Bengt Redfors
- Department of Cardiothoracic Anesthesia and Intensive Care, Sahlgrenska University Hospital, Göteborg, Sweden
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Abstract
The subspecialty of interventional cardiology began in 1977. Since then, the discipline of interventional cardiology has matured rapidly, particularly with regards to ischemic heart disease. As a result, more patients are undergoing percutaneous catheter interventional therapy for ischemic heart disease and fewer patients are undergoing surgical myocardial revascularization. Those patients referred for surgical revascularization are generally older and have more complex problems. Furthermore, as the population ages more patients are referred to surgery for valvular heart disease. The result of these changes is a population of surgical patients older and sicker than previously treated.
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Pathophysiologie, Prophylaxe und Therapie von Herzchirurgie-assoziierten Nierenfunktionsstörungen. ZEITSCHRIFT FUR HERZ THORAX UND GEFASSCHIRURGIE 2009. [DOI: 10.1007/s00398-009-0743-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Chung JY, Kwon JH, Seo KC, Song SY, Roh WS, Kim BI. The perioperative management of a patient with lowe syndrome for general anesthesia - A case report -. Korean J Anesthesiol 2009; 56:112-115. [DOI: 10.4097/kjae.2009.56.1.112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Jin Yong Chung
- Department of Anesthesiology and Pain Medicine, School of Medicine, Catholic University, Daegu, Korea
| | - Jae-hyoun Kwon
- Department of Anesthesiology and Pain Medicine, School of Medicine, Catholic University, Daegu, Korea
| | - Kwi Chu Seo
- Department of Anesthesiology and Pain Medicine, School of Medicine, Catholic University, Daegu, Korea
| | - Seok-Young Song
- Department of Anesthesiology and Pain Medicine, School of Medicine, Catholic University, Daegu, Korea
| | - Woon Seok Roh
- Department of Anesthesiology and Pain Medicine, School of Medicine, Catholic University, Daegu, Korea
| | - Bong-Il Kim
- Department of Anesthesiology and Pain Medicine, School of Medicine, Catholic University, Daegu, Korea
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Zacharias M, Conlon NP, Herbison GP, Sivalingam P, Walker RJ, Hovhannisyan K. Interventions for protecting renal function in the perioperative period. Cochrane Database Syst Rev 2008:CD003590. [PMID: 18843647 DOI: 10.1002/14651858.cd003590.pub3] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND A number of methods have been used to try to protect kidney function in patients undergoing surgery. These include the administration of dopamine and its analogues, diuretics, calcium channel blockers, angiotensin converting enzyme inhibitors and hydration fluids. OBJECTIVES For this review, we selected randomized controlled trials which employed different methods to protect renal function during the perioperative period. In examining these trials, we looked at outcomes that included renal failure and mortality as well as changes in renal function tests, such as urine output, creatinine clearance, free water clearance, fractional excretion of sodium and renal plasma flow. SEARCH STRATEGY We searched the Cochrane Central register of Controlled Trials (CENTRAL) (The Cochrane Library 2007, Issue 2), MEDLINE (1966 to June, 2007), and EMBASE (1988 to June, 2007); and handsearched six journals (Anesthesia and Analgesia, Anesthesiology, Annals of Surgery, British Journal of Anaesthesia, Journal of Thoracic and Cardiovascular Surgery, and Journal of Vascular Surgery). SELECTION CRITERIA We selected all randomized controlled trials in adults undergoing surgery where a treatment measure was used for the purpose of renal protection in the perioperative period. DATA COLLECTION AND ANALYSIS We selected 53 studies for inclusion in this review. As well as data analysis from all the studies, we performed subgroup analysis for type of intervention, type of surgical procedure, and pre-existing renal dysfunction. We undertook sensitivity analysis on studies with high and moderately good methodological quality. MAIN RESULTS The review included data from 53 studies, comprising a total of 2327 participants. Of these, 1293 received some form of treatment and 1034 acted as controls. The interventions mostly consisted of different pharmaceutical agents, such as dopamine and its analogues, diuretics, calcium channel blockers, ACE inhibitors, or selected hydration fluids. The results indicated that certain interventions showed minimal benefits. All the results suffered from significant heterogeneity. Hence we cannot draw conclusions about the effectiveness of these interventions in protecting patients' kidneys during surgery. AUTHORS' CONCLUSIONS There is no reliable evidence from the available literature to suggest that interventions during surgery can protect the kidneys from damage. There is a need for more studies with high methodological quality. One particular area for further study may be patients with pre-existing renal dysfunction undergoing surgery.
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Affiliation(s)
- Mathew Zacharias
- Department of Anaesthesia & Intensive Care, Dunedin Hospital, Great King Street, Dunedin, Otago, New Zealand, Private Bag 192.
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Rosner MH, Portilla D, Okusa MD. Cardiac surgery as a cause of acute kidney injury: pathogenesis and potential therapies. J Intensive Care Med 2008; 23:3-18. [PMID: 18230632 DOI: 10.1177/0885066607309998] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cardiopulmonary bypass surgery occurs in nearly 1 million patients per year. Acute kidney injury requiring dialysis can occur in up to 1% of these patients. The development of acute kidney injury is associated with substantial morbidity and mortality independent of all other factors, and many patients are left dependent on dialysis therapies. The pathogenesis of acute kidney injury involves multiple pathways. Hemodynamic, inflammatory, and nephrotoxic factors are involved and overlap each other in leading to kidney injury. Clinical studies have identified risk factors for acute kidney injury that can be used to effectively determine the risk of acute kidney injury in patients undergoing bypass surgery. These high-risk patients can then be targeted for renal protective strategies. Thus far, no single strategy has conclusively demonstrated its ability to prevent renal injury post-bypass surgery. Novel anti-inflammatory agents are in development and offer hope as potential therapies.
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Affiliation(s)
- Mitchell H Rosner
- Department of Internal Medicine, University of Virginia Health System, Charlottesville, Virginia 22908, USA.
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Boldt J, Wolf M. RETRACTED: Identification of renal injury in cardiac surgery: the role of kidney-specific proteins. J Cardiothorac Vasc Anesth 2008; 22:122-132. [PMID: 18249347 DOI: 10.1053/j.jvca.2007.10.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2006] [Indexed: 12/12/2022]
Affiliation(s)
- Joachim Boldt
- Department of Anesthesiology and Intensive Care Medicine, Klinikum der Stadt Ludwigshafen, Bremserstr, Germany..
| | - Michael Wolf
- Department of Anesthesiology and Intensive Care Medicine, Klinikum der Stadt Ludwigshafen, Bremserstr, Germany
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Abstract
The kidney is a remarkable organ whose functions include maintaining fluid and electrolyte balance, excreting metabolic waste products, and controlling vascular tone. Blood flow within the kidney is very heterogeneous, which places the metabolically active medulla at high risk for ischemic injury. A number of mediators play a role in the modulation of renal blood flow, including angiotensin II, dopamine, vasopressin, prostaglandins, atrial natriuretic peptide, endothelin, and nitric oxide. Early markers of renal injury elicit strong interest, although currently there is no reliable marker available. Surgery causes the release of catecholamines, renin, angiotensin, and AVP that lead to a redistribution of renal blood flow and a decrease in GFR. Additionally, general anesthesia often results in some degree of hypotension and depressed cardiac output, which further reduces renal perfusion and potentially jeopardizes renal function. A careful anesthetic plan is imperative in the patient with renal insufficiency or failure because acute renal failure in the perioperative period is associated with a high morbidity and mortality. Factors including advanced age, diabetes, underlying renal insufficiency, and heart failure place a patient at high risk for developing acute renal failure. It is imperative to maintain euvolemia, normotension, and cardiac output, and to avoid nephrotoxic agents to optimize renal blood flow and renal perfusion as the best prevention of renal dysfunction. Further studies are needed to establish if any therapies exist to prevent or treat renal dysfunction effectively.
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Affiliation(s)
- Gebhard Wagener
- Department of Anesthesiology, College of Physicians and Surgeons at Columbia University, New York Presbyterian Hospital, Ph-5, 633 W. 168th Street, New York, NY 10032, USA
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Weis F, Kilger E, Beiras-Fernandez A, Nassau K, Reuter D, Goetz A, Lamm P, Reindl L, Briegel J. Association between vasopressor dependence and early outcome in patients after cardiac surgery. Anaesthesia 2006; 61:938-42. [PMID: 16978306 DOI: 10.1111/j.1365-2044.2006.04779.x] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Arterial hypotension with vasopressor dependence is a major problem after cardiac surgery. We evaluated the early postoperative course of 1558 consecutive patients scheduled for cardiac surgery, and compared the outcome of patients with and without vasopressor dependence (defined as the need for > 0.1 microg x kg(-1) x h(-1) noradrenaline for > 3 h in the face of normovolaemia). Vasopressor dependence was diagnosed in 424 patients (27%) and was associated with a higher incidence of postoperative renal failure (67 (15.7%) vs 7 (0.6%), respectively; p < 0.0001), a longer duration of ventilation (median IQR [range]) 14 (8-26 [6-39]) h vs 8 (5-11 [4-32]) h; p < 0.0001), a greater need for red cell transfusion (3 (1-5 [0-10]) units vs 1 (0-2 [0-4]) units; p < 0.001) and a longer length of stay in the ICU (4 (2-6 [2-9] days) vs 2 (1-3 [1-6] days; p < 0.001). Vasopressor dependence could be predicted from a combination of factors, including pre-operative ejection fraction < 37%, cardiopulmonary bypass lasting > 94 min, and postoperative interleukin-6 > 837 pg x ml(-1).
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Affiliation(s)
- F Weis
- Department of Anaesthesiology, University of Munich, Klinikum Grosshadern, Munich, Germany.
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Abstract
Renal dysfunction following cardiopulmonary bypass (CPB) is well recognized. The extent of perioperative renal impairment ranges from subclinical injury to established renal failure requiring dialysis. Its incidence varies considerably, depending on the definition and criteria used in the different studies. Acute renal failure (ARF) affects 1-5% of patients and remains a major cause of morbidity and mortality. Co-morbidities, including diabetes mellitus, impaired left ventricular function and advanced age, are recognized predisposing factors. The pathophysiology is multifactorial and is thought related to the systemic inflammatory response and renal hypoperfusion secondary to extracorporeal circulation. Non-pulsatile flow during CPB is thought to be an important aetiological factor, resulting in renal vasoconstriction and ischaemic renal injury. A theoretical reduction in the incidence and severity of postoperative renal impairment has been proposed by advocating the use of pulsatile flow during CPB, or eliminating CPB, especially in high-risk patients. The current evidence, however, is conflicting. Several large observational studies, including a large proportion of high-risk patients, have demonstrated a significant reduction in the frequency of renal failure in patients undergoing off-pump surgery. As older, sicker patients increasingly constitute the cardiac surgical population, the incidence of postoperative renal injury is likely to increase. Further studies addressing various renoprotective strategies in higher-risk patients are awaited.
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Affiliation(s)
- Yasir Abu-Omar
- Department of Cardiothoracic Surgery, Hammersmith Hospital, London, UK
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Erentug V, Bozbuga N, Polat A, Tuncer A, Sareyyupoglu B, Kirali K, Akinci E, Yakut C. Coronary bypass procedures in patients with renal artery stenosis. J Card Surg 2005; 20:345-9. [PMID: 15985135 DOI: 10.1111/j.1540-8191.2005.200444.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND AIM OF THE STUDY We present our experience on patients with renal artery stenosis undergoing myocardial revascularization procedures. METHODS Eighteen patients with varying degrees of renal artery stenosis were operated for coronary artery bypass grafting between 1996 and 2003. The overall incidence was 0.15%. There were nine male and nine female patients with a mean age of 62 +/- 8.2 (40-72 years). Four had bilateral and eight had significant unilateral (>50%) renal artery stenoses. Preoperatively, three patients had renal arterial intervention (stenting), and one patient was on hemodialysis. The mean preoperative creatinine value was 2.6 +/- 2.7 mg/dL (range 0.7 to 9.3). The patients were followed medically: two patients underwent off-pump coronary bypass grafting and the others were operated on-pump. RESULTS There was only one mortality and two patients required hemodialysis postoperatively. The postoperative mean creatinine values were 3.4 +/- 4.9 mg/dL (range 1.0 to 12.5). No electrolyte imbalances were noted except that one case revealed a transient metabolic acidosis. Five patients required inotropic support with dopamine and two needed diuretic infusions. Only five patients demonstrated a refractory hyper tensive period postoperatively. CONCLUSIONS The concomitant correction of renal artery stenosis with CABG is usually not necessary, but the principles for renovascular diseases must be kept in mind and individually oriented strategies must be planned.
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Affiliation(s)
- Vedat Erentug
- Kosuyolu Heart and Research Hospital, Istanbul, Turkey.
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40
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Gill N, Nally JV, Fatica RA. Renal failure secondary to acute tubular necrosis: epidemiology, diagnosis, and management. Chest 2005; 128:2847-63. [PMID: 16236963 DOI: 10.1378/chest.128.4.2847] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Acute tubular necrosis (ATN) is a form of acute renal failure (ARF) that is common in hospitalized patients. In critical care units, it accounts for about 76% of cases of ARF. Despite the introduction of hemodialysis > 30 years ago, the mortality rates from ATN in hospitalized and ICU patients are about 37.1% and 78.6%, respectively. The purpose of this review is to discuss briefly the cause, diagnosis, and epidemiology of ARF, and to review in depth the clinical trials performed to date that have examined the influence of growth factors, hormones, antioxidants, diuretics, and dialysis. In particular, the role of the dialysis modality, dialyzer characteristics, and dosing strategies are discussed.
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Affiliation(s)
- Namita Gill
- Department of General Internal Medicine, Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH 44195, USA.
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Abstract
Acute renal failure (ARF) occurs in up to 30% of patients who undergo cardiac surgery, with dialysis being required in approximately 1% of all patients. The development of ARF is associated with substantial morbidity and mortality independent of all other factors. The pathogenesis of ARF involves multiple pathways. Hemodynamic, inflammatory, and nephrotoxic factors are involved and overlap each other in leading to kidney injury. Clinical studies have identified risk factors for ARF that can be used to determine effectively the risk for ARF in patients who undergo bypass surgery. These high-risk patients then can be targeted for renal protective strategies. Thus far, no single strategy has demonstrated conclusively its ability to prevent renal injury after bypass surgery. Several compounds such as atrial natriuretic peptide and N-acetylcysteine have shown promise, but large-scale trials are needed.
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Affiliation(s)
- Mitchell H Rosner
- Division of Nephrology, Department of Internal Medicine, University of Virginia Health System, Box 800133, Charlottesville, VA 22908, USA.
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Abstract
The use of dopamine for the treatment of renal insufficiency has become a controversial issue. Dopamine exerts its effects on the kidneys through activity on the catecholamine receptors and by its diuretic and natriuretic properties. Utilization of renal dose dopamine to increase renal blood flow has been considered beneficial for preservation of renal function for over 30 years. The hypothesis proposed was that increasing urine volume must indicate improving renal function, particularly in oliguric patients. However, recent clinical trials in adult and pediatric patients have not only failed to demonstrate any benefit, but have also suggested that this therapy may actually have detrimental effects. This article reviews basic pharmacology and physiologic effects and the potential adverse effects of "renal dose dopamine." It also examines the results of clinical trials, in both pediatric and adult patients, that evaluated its usefulness for the treatment of renal insufficiency.
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Affiliation(s)
- Bonnie Anne Rice
- Pediatric Intensive Care Unit, All Children's Hospital, St. Petersburg, FL 33701, USA.
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Zacharias M, Gilmore ICS, Herbison GP, Sivalingam P, Walker RJ. Interventions for protecting renal function in the perioperative period. Cochrane Database Syst Rev 2005:CD003590. [PMID: 16034904 DOI: 10.1002/14651858.cd003590.pub2] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND A number of methods have been used to try to protect kidney function in patients undergoing surgery. These include the administration of dopamine, diuretics, calcium channel blockers, angiotensin converting enzyme inhibitors and hydration fluids. OBJECTIVES For this review, we selected randomized controlled trials, which employed different methods to protect renal function during the perioperative period. In examining these trials, we looked at outcomes such as renal failure and mortality, as well as changes in the renal function tests, including urine output, creatinine clearance, free water clearance, fractional excretion of sodium and renal plasma flow. SEARCH STRATEGY We searched the Cochrane Central register of Controlled Trials (CENTRAL) (The Cochrane Library, Issue 4, 2004), MEDLINE (1966 to 2004) and EMBASE (1988 to 2004) and hand searched six journals (British Journal of Anaesthesia; Anesthesia and Analgesia; Anesthesiology; Annals of Surgery; Journal of Thoracic and Cardiovascular Surgery and Journal of Vascular Surgery). SELECTION CRITERIA We selected all randomized controlled trials in adult population undergoing surgery where a treatment measure was used for the purpose of renal protection in the perioperative period. DATA COLLECTION AND ANALYSIS We selected 37 studies for inclusion in this review. As well as analysis of the data from all the studies, we also performed subgroup analysis for type of interventions, types of surgical procedures and those with pre-existing renal dysfunction. We undertook sensitivity analysis on studies with high methodological quality. MAIN RESULTS The review included data from 37 studies, comprising a total of 1227 patients. Of these, 658 received some form of treatment and 569 acted as controls. The interventions were mostly employing different pharmaceutical agents such as dopamine, diuretics, calcium channel blockers. ACE inhibitors or selected hydration fluids. The results indicated that certain interventions showed some benefits, but all the results suffered from significant heterogeneity. Hence we can draw no conclusions about the effectiveness of these interventions in protecting the kidneys during surgery. AUTHORS' CONCLUSIONS There is no reliable evidence from available literature to suggest that interventions during surgery can protect the kidneys from damage. However, there is a need for more studies of high methodological quality. One particular area for further studies may be on patients with pre-existing renal dysfunction undergoing surgery.
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Affiliation(s)
- M Zacharias
- Anaesthesia & Intensive Care, Dunedin Hospital, Great King Street, Dunedin, Otago, New Zealand.
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Affiliation(s)
- Michael F Wozniak
- Department of Anesthesia and Critical Care, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02214, USA
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Kacar S, Stanić M, Putnik S, Pejkić S, Davidović L, Ristić M. [Off-pump myocardial revascularization (OPCAB) in patients with post-infarction unstabile angina, low ejection fraction and renal disfunction]. ACTA CHIRURGICA IUGOSLAVICA 2005; 52:45-8. [PMID: 16812993 DOI: 10.2298/aci0503045k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
UNLABELLED The purpose of this study is to present our experience in off-pump myocardial revascularization in patients with post-infarction unstable angina, left ventricular low ejection fraction and renal dysfunction. MATERIAL AND METHODS From January 1998. until march 2002, at the Institute for Cardiovascular Diseases in Clinical Centre of Serbia, we have operated 20 patients with post infarction unstable angina, echocardiographicaly proved low ejection fraction (less than 30%) and renal dysfunction (Serum Creatinin 150 micrograms per liter) using this method. All patients were male and they were between 52 and 79 years old. Preoperative characteristics, surgical treatment and postoperative course are presented. RESULTS There was no hospital mortality, as well as important morbidity. There was no worsening of the renal and myocardial function. Postoperative ICU stay was from 1 to 2 days. Postoperative hospital stay was between 3 and 7 days. CONCLUSION Off-pump myocardial revascularization is safe and effective procedure in all patients with left ventricular low ejection fraction and renal dysfunction.
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Affiliation(s)
- S Kacar
- Institut za kardiovaskularne bolesti KC Srbije, Beograd, SCG
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Gillies M, Bellomo R, Doolan L, Buxton B. Bench-to-bedside review: Inotropic drug therapy after adult cardiac surgery -- a systematic literature review. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2004; 9:266-79. [PMID: 15987381 PMCID: PMC1175868 DOI: 10.1186/cc3024] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Many adult patients require temporary inotropic support after cardiac surgery. We reviewed the literature systematically to establish, present and classify the evidence regarding choice of inotropic drugs. The available evidence, while limited in quality and scope, supports the following observations; although all β-agonists can increase cardiac output, the best studied β-agonist and the one with the most favourable side-effect profile appears to be dobutamine. Dobutamine and phosphodiesterase inhibitors (PDIs) are efficacious inotropic drugs for management of the low cardiac output syndrome. Dobutamine is associated with a greater incidence of tachycardia and tachyarrhythmias, whereas PDIs often require the administration of vasoconstrictors. Other catecholamines have no clear advantages over dobutamine. PDIs increase the likelihood of successful weaning from cardiopulmonary bypass as compared with placebo. There is insufficient evidence that inotropic drugs should be selected for their effects on regional perfusion. PDIs also increase flow through arterial grafts, reduce mean pulmonary artery pressure and improve right heart performance in pulmonary hypertension. Insufficient data exist to allow selection of a specific inotropic agent in preference over another in adult cardiac surgery patients. Multicentre randomized controlled trials focusing on clinical rather than physiological outcomes are needed.
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Affiliation(s)
- Michael Gillies
- Department of Intensive Care and Medicine (University of Melbourne), Austin Hospital, Melbourne, Australia
| | - Rinaldo Bellomo
- Department of Intensive Care and Medicine (University of Melbourne), Austin Hospital, Melbourne, Australia
| | - Laurie Doolan
- Department of Anaesthesia, Austin Hospital, Melbourne, Australia
| | - Brian Buxton
- Department of Cardiac Surgery, Austin Hospital, Melbourne, Australia
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Baran DA, Galin ID, Gass AL. Calcineurin inhibitor-associated early renal insufficiency in cardiac transplant recipients: risk factors and strategies for prevention and treatment. Am J Cardiovasc Drugs 2004; 4:21-9. [PMID: 14967063 DOI: 10.2165/00129784-200404010-00003] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Cardiac transplantation is the definitive treatment for eligible patients with end-stage cardiac failure. Techniques have evolved to reduce surgical mortality to under 5%. Immediate and subsequent long-term survival is more dependent on acute and chronic rejection and the complications of immunosuppressive therapy. Ten-year survival is greater than 50%.The success of transplantation over the last 20 years has been largely due to the advances in immunosuppression. The most notable and dramatic milestone was the introduction of cyclosporine in the early 1980s, which resulted in a significant improvement in allograft and patient survival. Cyclosporine is a peptide that inhibits the immune system by suppressing T-helper cell activation via inhibition of calcineurin, a critical intracellular enzyme. Tacrolimus has a similar (but not identical) mechanism of action, and was introduced in the 1990s. Drugs such as cyclosporine and tacrolimus, generically referred to as calcineurin inhibitors, have become the cornerstones of immunosuppressive protocols. As a group, calcineurin inhibitors have adverse effects, including neurotoxicity, hypertension, and nephrotoxicity, which complicate their use. Early renal insufficiency manifests as postoperative oliguria (<50 mL/h urine output) or rising serum creatinine levels. There are a variety of postulated causes for calcineurin inhibitor-associated early renal insufficiency including direct calcineurin inhibitor-mediated renal arteriolar vasoconstriction, increased levels of endothelin-1 (a potent vasoconstrictor), as well as decreased nitric oxide production and alterations in the kidney's ability to adjust to changes in serum tonicity. Once early renal insufficiency occurs, no single treatment has been shown to be effective. Approaches discussed in this paper include reduction in calcineurin inhibitor dosages, as well as various drugs to promote increased renal perfusion such as misoprostol and dopamine. In addition, the paper emphasizes the importance of ruling out other causes of renal insufficiency in the early postoperative period, including volume depletion, depressed cardiac output, and mechanical obstruction to urine flow. Given that there is no highly efficacious treatment for this syndrome, ways to avoid its occurrence are desirable. One paper is referenced that suggests that avoidance of rapid changes in tacrolimus level during the first three days of therapy is associated with a low occurrence of early renal insufficiency.
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Affiliation(s)
- David A Baran
- Newark Beth Israel Medical Center, Transplant Center, 201 Lyons Avenue L-4, Newark, NJ 07112, USA.
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Abstract
PURPOSE OF REVIEW The purpose of this review is to focus on the static incidence of renal dysfunction, the lack of evidence of benefit of traditional renoprotective strategies, and newer techniques that may provide an insight into the mechanisms of acute perioperative renal injury associated with vascular surgery. RECENT FINDINGS Recent studies that have investigated the long-term results of aortic surgery still report a significant incidence of postoperative renal dysfunction. This finding remains consistent in several reports. However, less invasive techniques such as endovascular repair seem to be associated with reduced inflammation and postoperative renal dysfunction. The possible association between genetic heterogeneity and renal dysfunction in vascular surgical patients is an exciting new area of research. SUMMARY Renal dysfunction after major vascular surgery remains a significant problem. New insights into the mechanisms of acute renal injury and less invasive techniques of vascular repair may help reduce the incidence of renal dysfunction in this patient population. The lack of a truly 'renoprotective' agent has hampered our efforts in preventing this major complication of vascular surgery.
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Affiliation(s)
- Madhav Swaminathan
- Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina 27710, USA.
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