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Saberinia A, Vafaei A, Kashani P. A narrative review on the management of Acute Heart Failure in Emergency Medicine Department. Eur J Transl Myol 2020; 30:8612. [PMID: 32499877 PMCID: PMC7254439 DOI: 10.4081/ejtm.2019.8612] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 11/08/2019] [Indexed: 12/28/2022] Open
Abstract
The main urgent symptom presented to an emergency department is acute heart failure (AHF). In that considerable risksof morbidity and mortality, it is important to plan precision medicine to achieve the most suitable outcomes. The object of this review is to provide a summary of contemporary management procedures of emergency medicine in a department of acute heart failure. Heart failure could be presented with a broad range of symptoms, in particular a sudden worsening of those of Chronic Obstructive Pulmonary Disease. The treatment should focus on acute and chronic underlying disorders with instructions focusing on haemodynamics and blood pressure status. Treatment of patients suffering with worsening symptoms of AHF mainly focuses on intravenous diuretics. In emergency situations, patients suffering with AHF with low blood pressure must receive emergency consultation and a primary fluid bolus therapy (range 250-500 mL) followed by inotropic therapy with or without antihypotensive agents. For treatment of severe heart failure and cardiogenic shock in patients treated with noradrenalin, when blood pressure support is required, a direct-acting inotropic agent, dobutamine, could be applied effectively. When non-invasive positive pressure ventilation is needed, suppliers must track for any possibility of sudden worsening, i.e., for acute decompensated heart failure. When cardiac output is high the disorder could be treated with vasopressors.
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Affiliation(s)
- Amin Saberinia
- Department of Emergency Medicine, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Emergency Medicine, School of Medicine, Shahid Beheshti University of Medical Sciences, Loghman Hakim Hospital, Tehran, Iran
| | - Ali Vafaei
- Department of Emergency Medicine, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Emergency Medicine, School of Medicine, Shahid Beheshti University of Medical Sciences, Loghman Hakim Hospital, Tehran, Iran
| | - Parvin Kashani
- Department of Emergency Medicine, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Emergency Medicine, School of Medicine, Shahid Beheshti University of Medical Sciences, Loghman Hakim Hospital, Tehran, Iran
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Abstract
Cardiorenal syndrome is a complex interplay of dysregulated heart and kidney interaction that leads to multiorgan system dysfunction, which is not an uncommon occurrence in the setting of right heart failure. The traditional concept of impaired perfusion and forward flow recently has been modified to include the recognition of systemic venous congestion as a contributor, with direct and indirect mechanisms, including elevated renal venous pressure, reduced renal perfusion pressure, increased renal interstitial pressure, tubular dysfunction, splanchnic congestion, and neurohormonal and inflammatory activation. Treatment options beyond diuretics and vasoactive drugs remain limited and lack supportive evidence.
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Affiliation(s)
- Thida Tabucanon
- Kaufman Center for Heart Failure Treatment and Recovery, Heart, Vascular, and Thoracic Institute, Cleveland Clinic, 9500 Euclid Avenue, Desk J3-4, Cleveland, OH 44195, USA
| | - Wai Hong Wilson Tang
- Kaufman Center for Heart Failure Treatment and Recovery, Heart, Vascular, and Thoracic Institute, Cleveland Clinic, 9500 Euclid Avenue, Desk J3-4, Cleveland, OH 44195, USA; Department of Cardiovascular Medicine, Cleveland Clinic, 9500 Euclid Avenue, Desk J3-4, Cleveland, OH 44195, USA.
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53
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Cox ZL, Sury K, Rao VS, Ivey-Miranda JB, Griffin M, Mahoney D, Gomez N, Fleming JH, Inker LA, Coca SG, Turner J, Wilson FP, Testani JM. Effect of Loop Diuretics on the Fractional Excretion of Urea in Decompensated Heart Failure. J Card Fail 2020; 26:402-409. [PMID: 32007554 DOI: 10.1016/j.cardfail.2020.01.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 12/30/2019] [Accepted: 01/27/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND Fractional excretion of urea (FEUrea) is often used to understand the etiology of acute kidney injury (AKI) in patients receiving diuretics. Although FEUrea demonstrates diagnostic superiority over fractional excretion of sodium (FENa), clinicians often assume FEUrea is not affected by diuretics. OBJECTIVE To assess the intravenous loop diuretic effect on FEUrea. METHODS We analyzed a prospective cohort (n=297) hospitalized with hypervolemic heart failure at Yale New Haven Hospital System. FENa and FEUrea were calculated at baseline and serially after diuretics. The change in FEUrea at peak diuresis was compared with the pre-diuretic baseline. RESULTS Mean baseline FEUrea was 35.2% ± 10.5% and increased by a mean 5.6% ± 10.5% following 80 mg (40-160 mg) of furosemide equivalents (P < .001). The magnitude of change in FEUrea was clinically important as the distribution of change in FEUrea was similar to the overall distribution of baseline FEUrea. Change in FEUrea was related to the diuretic response (r = 0.61, P < .001), with a larger FEUrea increase in diuretic responders (8.8%, interquartile range [IQR]: 1.8-16.9) than non-responders (1.2%, IQR: -3.2 to 5.5; P < .001). Diuretic administration reclassified 27% of patients between low and high FEUrea groups across a 35% threshold. Neither change in FEUrea nor percentage reclassified out of a low FEUrea category differed between patients with and without AKI (P > .63 for both). CONCLUSIONS FEUrea is meaningfully affected by loop diuretics. The degree of change in FEUrea is highly variable between patients and commonly of a magnitude that could reclassify across categories of FEUrea.
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Affiliation(s)
- Zachary L Cox
- Department of Pharmacy Practice, Lipscomb University College of Pharmacy, Nashville, Tennessee; Department of Pharmacy, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Krishna Sury
- Division of Internal Medicine, Section of Nephrology, Yale University School of Medicine, New Haven, Connecticut
| | - Veena S Rao
- Division of Internal Medicine, Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut
| | - Juan B Ivey-Miranda
- Division of Cardiology, Hospital de Cardiologia Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - Matthew Griffin
- Division of Internal Medicine, Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut
| | - Devin Mahoney
- Division of Internal Medicine, Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut
| | - Nicole Gomez
- Division of Internal Medicine, Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut
| | - James H Fleming
- Division of Internal Medicine, Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut
| | - Lesley A Inker
- Department of Nephrology, Tufts Medical Center, Boston, Massachusetts
| | - Steven G Coca
- Department of Nephrology, Mount Sinai, New York City, New York
| | - Jeff Turner
- Division of Internal Medicine, Section of Nephrology, Yale University School of Medicine, New Haven, Connecticut
| | - F Perry Wilson
- Division of Internal Medicine, Section of Nephrology, Yale University School of Medicine, New Haven, Connecticut
| | - Jeffrey M Testani
- Division of Internal Medicine, Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut.
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Kopitkó C, Gondos T, Fülöp T, Medve L. Reinterpreting Renal Hemodynamics: The Importance of Venous Congestion and Effective Organ Perfusion in Acute Kidney Injury. Am J Med Sci 2020; 359:193-205. [PMID: 32089228 DOI: 10.1016/j.amjms.2020.01.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 11/07/2019] [Accepted: 01/20/2020] [Indexed: 12/24/2022]
Abstract
The significance of effective renal perfusion is relatively underemphasized in the current literature. From a renal standpoint, besides optimizing cardiac output, renal perfusion should be maximized as well. Among the several additional variables of the critically ill, such as intra-abdominal pressure, the presence of venous congestion and elevated central venous pressures, airway pressures generated by mechanical ventilation do affect net renal perfusion. These forces represent both a potential danger and an ongoing opportunity to improve renal outcomes in the critically ill and an opportunity to move beyond the simplified viewpoint of optimizing volume status. Therefore, to optimize nephron-protective therapies, nephrologists and intensive care physicians should be familiar with the concept of net renal perfusion pressure. This review appraises the background literature on renal perfusion pressure, including the initial animal data and historical human studies up to the most current developments in the field, exploring potential avenues to assess and improve renal blood supply.
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Affiliation(s)
- Csaba Kopitkó
- Intensive Care Unit, Uzsoki Teaching Hospital, Budapest, Hungary.
| | - Tibor Gondos
- Department of Oxyology and Emergency Care, Faculty of Health Sciences, Semmelweis University, Budapest, Hungary
| | - Tibor Fülöp
- Department of Medicine, Division of Nephrology, Medical University of South Carolina, Charleston, South Carolina; Ralph H. Johnson VA Medical Center, Charleston, South Carolina
| | - László Medve
- Intensive Care Unit, Markhot Ferenc Hospital, Eger, Hungary
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Ishigami J, Cowan LT, Demmer RT, Grams ME, Lutsey PL, Carrero JJ, Coresh J, Matsushita K. Incident Hospitalization with Major Cardiovascular Diseases and Subsequent Risk of ESKD: Implications for Cardiorenal Syndrome. J Am Soc Nephrol 2020; 31:405-414. [PMID: 31919105 DOI: 10.1681/asn.2019060574] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 11/16/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Cardiorenal syndrome is a well known concept, bolstered by extensive investigations of CKD as a risk factor of cardiovascular disease. However, data on whether cardiovascular disease increases long-term risk of ESKD are sparse. METHODS We assessed the association of incident hospitalization with major cardiovascular diseases (heart failure, atrial fibrillation, coronary heart disease, and stroke) with subsequent risk of ESKD among individuals enrolled in the Atherosclerosis Risk in Communities study; the analysis included 9047 individuals without prevalent cardiovascular disease at their fourth study visit. Each relevant incident cardiovascular disease event was entered into multivariable Cox proportional hazard models as a time-varying exposure to estimate hazard ratios. RESULTS During a median follow-up of 17.5 years, there were 2598 cases of hospitalization with cardiovascular disease (heart failure, n=1269; atrial fibrillation, n=1337; coronary heart disease, n=696; and stroke, n=559) and 210 cases of incident ESKD. The incidence of major cardiovascular disease was associated with increased risk of ESKD, with the highest risk for heart failure (hazard ratio, 11.40; 95% confidence interval, 8.38 to 15.50), followed by coronary heart disease, atrial fibrillation, and stroke. When we analyzed heart failure with preserved ejection fraction and heart failure with reduced ejection fraction separately, the risk was nominally higher for heart failure with preserved ejection fraction. CONCLUSIONS Major incident cardiovascular disease events were associated with ESKD, independent of kidney risk factors. In particular, heart failure showed a very strong association with ESKD. Our findings highlight the importance of monitoring and managing kidney disease in patients with cardiovascular disease. The potentially distinct contribution to ESKD of heart failure with preserved versus reduced ejection fraction deserves future investigation.
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Affiliation(s)
- Junichi Ishigami
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland;
| | - Logan T Cowan
- Department of Biostatistics, Epidemiology, and Environmental Health Science, Georgia Southern University, Statesboro, Georgia
| | - Ryan T Demmer
- Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, Minnesota
| | - Morgan E Grams
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.,Department of Medicine, Johns Hopkins University, Baltimore, Maryland; and
| | - Pamela L Lutsey
- Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, Minnesota
| | - Juan-Jesus Carrero
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Josef Coresh
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Kunihiro Matsushita
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
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56
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Kanbay M, Yerlikaya A, Sag AA, Ortiz A, Kuwabara M, Covic A, Wiecek A, Stenvinkel P, Afsar B. A journey from microenvironment to macroenvironment: the role of metaflammation and epigenetic changes in cardiorenal disease. Clin Kidney J 2019; 12:861-870. [PMID: 31807301 PMCID: PMC6885688 DOI: 10.1093/ckj/sfz106] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Indexed: 12/11/2022] Open
Abstract
Chronic non-communicable diseases have become a pandemic public problem in the 21st century, causing enormous burden on the economy, health and quality of life of societies. The role of a chronic inflammatory state in the pathogenesis of chronic disease has been more comprehensively recognized by recent findings. The new paradigm ‘metaflammation’ focuses on metabolism-induced (high fat or fructose-based diet or excessive calorie intake) chronic inflammation. There is a close correlation between the increased incidence of chronic kidney disease (CKD) and chronic heart failure with both increased inflammatory marker levels and western-type diet. In this review we describe the concept of metaflammation, its role in the development of CKD and chronic heart disease, the molecular and signalling pathways involved and the therapeutic consequences.
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Affiliation(s)
- Mehmet Kanbay
- Department of Medicine, Division of Nephrology, Koc University School of Medicine, Istanbul, Turkey
| | - Aslihan Yerlikaya
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Alan A Sag
- Department of Radiology, Division of Vascular and Interventional Radiology, Duke University Medical Center, Durham, NC, USA
| | - Alberto Ortiz
- Dialysis Unit, School of Medicine, IIS-Fundacion Jimenez Diaz, Universidad Autónoma de Madrid, Madrid, Spain
| | | | - Adrian Covic
- Nephrology Department, Dialysis and Renal Transplant Center, "Dr. C.I. Parhon" University Hospital, "Grigore T. Popa" University of Medicine and Pharmacy, Iasi, Romania
| | - Andrzej Wiecek
- Department of Nephrology, Transplantation and Internal Medicine, Medical University of Silesia, Katowice, Poland
| | - Peter Stenvinkel
- Department of Clinical Science Intervention and Technology, Division of Renal Medicine and Baxter Novum, Karolinska Institutet, Stockholm, Sweden
| | - Baris Afsar
- Department of Medicine, Division of Nephrology, Suleyman Demirel University School of Medicine, Isparta, Turkey
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Abstract
PURPOSE OF REVIEW Right ventricular (RV) function is an important determinant of morbidity and mortality in patients with pulmonary arterial hypertension (PAH). Although substantial progress has been made in understanding the development of RV failure in the last decennia, this has not yet resulted in the development of RV selective therapies. In this review, we will discuss the current status on the treatment of RV failure and potential novel therapeutic strategies that are currently being investigated in clinical trials. RECENT FINDINGS Increased afterload results in elevated wall tension. Consequences of increased wall tension include autonomic disbalance, metabolic shift and inflammation, negatively affecting RV contractility. Compromised RV systolic function and low cardiac output activate renin-angiotensin aldosterone system, which leads to fluid retention and further increase in RV wall tension. This vicious circle can be interrupted by directly targeting the determinants of RV wall tension; preload and afterload by PAH-medications and diuretics, but is also possibly by restoring neurohormonal and metabolic disbalance, and inhibiting maladaptive inflammation. A variety of RV selective drugs are currently being studied in clinical trials. SUMMARY Nowadays, afterload reduction is still the cornerstone in treatment of PAH. New treatments targeting important pathobiological determinants of RV failure directly are emerging.
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Affiliation(s)
- Joanne A. Groeneveldt
- Department of Pulmonary Medicine, Amsterdam Cardiovascular Sciences, Amsterdam UMC, Vrije Universiteit Amsterdam
| | - Frances S. de Man
- Department of Pulmonary Medicine, Amsterdam Cardiovascular Sciences, Amsterdam UMC, Vrije Universiteit Amsterdam
| | - Berend E. Westerhof
- Department of Pulmonary Medicine, Amsterdam Cardiovascular Sciences, Amsterdam UMC, Vrije Universiteit Amsterdam
- Section of Systems Physiology, Department of Medical Biology, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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58
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Cops J, Haesen S, De Moor B, Mullens W, Hansen D. Exercise intervention in hospitalized heart failure patients, with emphasis on congestion-related complications: a review. Heart Fail Rev 2019; 25:257-268. [DOI: 10.1007/s10741-019-09833-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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59
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Kuriyama S. A Potential Mechanism of Cardio-Renal Protection with Sodium-Glucose Cotransporter 2 Inhibitors: Amelioration of Renal Congestion. Kidney Blood Press Res 2019; 44:449-456. [DOI: 10.1159/000501081] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 05/18/2019] [Indexed: 11/19/2022] Open
Abstract
Background: This review considers anew the etiology of the cardio-renal protective effect of sodium-glucose cotransporter 2 (SGLT2) inhibitors by extending the discussion to renal congestion, inherent in diabetic kidney disease (DKD) even at an early stage of nephropathy in which heart failure (HF) or salt and water accumulation is asymptomatic. Summary: The interstitial fluid (IF) space of the kidney space plays a crucial role for tubulointerstitial inflammation, renal hypoxia, and ischemic injury, which often leads to renal progression. In DKD, as a result of hyperglycemic milieu, excessive salt and water can be accumulated in the IF space, creating renal congestion. I hypothesize that SGLT2 inhibitors cause a shift in extracellular water from the IF space to the intravascular space to compensate for the SGLT2 inhibitor-induced hypovolemia. This decrease in IF volume ameliorates the IF space milieu and may reduce inflammation, hypoxia, and ischemic injury. Message: The present review proposes a novel theory; unlike other hypoglycemic agents or diuretics, SGLT2 inhibitor could protect DKD from failing by improving latent renal congestion even without symptomatic HF.
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60
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Bei WJ, Wang K, Li HL, Guo XS, Guo W, Abuduaini T, Chen SQ, Islam SMS, Chen PY, Chen JY, Liu Y, Tan N. Safe Hydration to Prevent Contrast-Induced Acute Kidney Injury and Worsening Heart Failure in Patients with Renal Insufficiency and Heart Failure Undergoing Coronary Angiography or Percutaneous Coronary Intervention. Int Heart J 2019; 60:247-254. [PMID: 30799374 DOI: 10.1536/ihj.17-066] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Wei-jie Bei
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences
- School of Medicine, South China University of Technology
| | - Kun Wang
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences
- Department of Graduate School, Southern Medical University
- School of Medicine, South China University of Technology
| | - Hua-long Li
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences
- School of Medicine, South China University of Technology
| | - Xiao-sheng Guo
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences
- School of Medicine, South China University of Technology
| | - Wei Guo
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences
- School of Medicine, South China University of Technology
| | - Tuerxunjiang Abuduaini
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences
- School of Medicine, South China University of Technology
| | - Shi-qun Chen
- Department of Graduate School, Southern Medical University
- School of Medicine, South China University of Technology
| | | | - Peng-yuan Chen
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences
- School of Medicine, South China University of Technology
| | - Ji-yan Chen
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences
- School of Medicine, South China University of Technology
| | - Yong Liu
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences
- School of Medicine, South China University of Technology
| | - Ning Tan
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Key Laboratory of Coronary Disease, Guangdong General Hospital, Guangdong Academy of Medical Sciences
- School of Medicine, South China University of Technology
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61
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Sinkovič A, Masnik K, Mihevc M. Predictors of acute kidney injury (AKI) in high-risk ST-elevation myocardial infarction (STEMI) patients: A single-center retrospective observational study. Bosn J Basic Med Sci 2019; 19:101-108. [PMID: 30589402 DOI: 10.17305/bjbms.2018.3797] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 09/17/2018] [Indexed: 12/29/2022] Open
Abstract
Acute kidney injury (AKI) is a frequent complication in ST-elevation myocardial infarction (STEMI) patients. Factors other than contrast exposure have been suggested as major contributors to renal dysfunction in patients undergoing primary percutaneous coronary intervention (PPCI). Our aim was to assess the incidence and risk factors of AKI in high-risk STEMI patients, mostly treated by PPCI with implemented measures to prevent contrast-induced AKI. We retrospectively analyzed data of 245 STEMI patients (165 men, mean age 63.9 ± 11.9 years) admitted to the Department of Medical Intensive Care Unit. Demographic, clinical, and mortality data were compared between AKI and non-AKI group. AKI was defined as a 1.5-fold increase in serum creatinine from baseline level within 24-48 hours. AKI developed in 34/245 (13.9%) patients. PPCI was performed in 226/245 (92.2%) of all STEMI cases, with no difference between AKI and non-AKI group. There were significant differences between AKI and non-AKI group in diabetes mellitus (41.2% vs. 20.9%), prior MI (26.5% vs. 11.8%), prior resuscitation (38.2% vs. 12.4%), admission acute heart failure [AHF] (44.1% vs. 12.8%), in-hospital AHF (70.6% vs. 17.5%), and hospital-acquired infection [HAI] (79.4% vs. 18.0%). Significantly more AKI patients had increased admission CRP ≥25 mg/L (38.2% vs. 11.8%), peak CRP ≥50 mg/L (91.2% vs. 36%), admission troponin I ≥10 mg/L (44.1% vs. 24.6%), peak troponin I ≥50 mg/L (64.7% vs. 44.1%), peak NT-proBNP ≥400 pmol/L (82.4% vs. 27.5%), and ejection fraction <45% (76.5% vs. 33.6%). Mortality was significantly increased in AKI group, including in-hospital (52.9% vs. 7.1%), 30-day (64.7% vs. 10.7%) and 6-month mortality (70.6% vs. 13.7%). Significant independent predictors of AKI were prior resuscitation (OR 4.171, 95% CI 1.088-15.998), HAI (OR 7.974, 95% CI 1.992-31.912), and peak NT-proBNP (OR 21.261, 95% CI 2.357-191.795). To reduce the risk of AKI in STEMI patients, early diagnosis and treatment of AHF and HAIs are advisable.
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Affiliation(s)
- Andreja Sinkovič
- Department of Medical Intensive Care, University Medical Centre Maribor, Maribor, Slovenia.
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62
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Cops J, Mullens W, Verbrugge FH, Swennen Q, De Moor B, Reynders C, Penders J, Achten R, Driessen A, Dendooven A, Rigo JM, Hansen D. Selective abdominal venous congestion induces adverse renal and hepatic morphological and functional alterations despite a preserved cardiac function. Sci Rep 2018; 8:17757. [PMID: 30532057 PMCID: PMC6288122 DOI: 10.1038/s41598-018-36189-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 11/16/2018] [Indexed: 12/13/2022] Open
Abstract
Venous congestion is an important contributor to worsening renal function in heart failure and the cardiorenal syndrome. In patients, it is difficult to study the effects of isolated venous congestion on organ function. In this study, the consequences of isolated abdominal venous congestion on morphology and function of the kidneys, liver and heart were studied in a rat model. Twelve sham-operated (SHAM) male Sprague Dawley rats were compared to eleven inferior vena cava-constricted (IVCc) rats for twenty-one weeks. Abdominal venous pressure was significantly higher in the IVCc versus SHAM group (p < 0.0001). Indices of liver and kidney weight, function and morphology, inflammation as well as collagen deposition were significantly increased in the IVCc compared to SHAM group, (p < 0.05). Echocardiographic and hemodynamic parameters were largely unaffected by abdominal venous congestion. In this rat model of isolated abdominal venous congestion, retrogradely conducted glomerular hypertension without a concomitant change in glomerular filtration rate was observed. Adverse short-term hepatic morphological alterations were developed which explain the observed organ function dysfunction. Importantly, cardiac function remained comparable between both groups. This study provides relevant insight in the pathophysiology of abdominal congestion on organ function.
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Affiliation(s)
- Jirka Cops
- BIOMED - Biomedical Research Institute, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium. .,Doctoral school for Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium.
| | - Wilfried Mullens
- BIOMED - Biomedical Research Institute, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium.,Department of Cardiology, Ziekenhuis Oost-limburg, Genk, Belgium
| | | | - Quirine Swennen
- BIOMED - Biomedical Research Institute, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium
| | - Bart De Moor
- BIOMED - Biomedical Research Institute, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium.,Department of Nephrology, Jessa Ziekenhuis, Hasselt, Belgium
| | | | - Joris Penders
- BIOMED - Biomedical Research Institute, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium.,Clinical laboratory, Ziekenhuis Oost-Limburg, Genk, Belgium
| | - Ruth Achten
- BIOMED - Biomedical Research Institute, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium.,Department of Pathology, Jessa Ziekenhuis, Hasselt, Belgium
| | - Ann Driessen
- Department of Pathology, Universitair Ziekenhuis Antwerpen, University of Antwerp, Edegem, Belgium
| | - Amélie Dendooven
- Department of Pathology, Universitair Ziekenhuis Antwerpen, University of Antwerp, Edegem, Belgium
| | - Jean-Michel Rigo
- BIOMED - Biomedical Research Institute, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium
| | - Dominique Hansen
- BIOMED - Biomedical Research Institute, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium.,REVAL - Rehabilitation Research Center, Faculty of Rehabilitation Sciences, Hasselt University, Diepenbeek, Belgium.,Heart Centre Hasselt, Jessa Hospital, Hasselt, Belgium
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63
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Silverton N, Djaiani G. Right Ventricular Function and Perioperative Risk Assessment: The Time Has Come to Stop Being Sinister. J Cardiothorac Vasc Anesth 2018; 33:1287-1289. [PMID: 30685155 DOI: 10.1053/j.jvca.2018.11.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Natalie Silverton
- Department of Anesthesiology, University of Utah, Salt Lake City, Utah
| | - George Djaiani
- Department of Anesthesia and Pain Management, Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada
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64
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Daghistani HM, Rajab BS, Kitmitto A. Three-dimensional electron microscopy techniques for unravelling mitochondrial dysfunction in heart failure and identification of new pharmacological targets. Br J Pharmacol 2018; 176:4340-4359. [PMID: 30225980 PMCID: PMC6887664 DOI: 10.1111/bph.14499] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/30/2018] [Accepted: 08/18/2018] [Indexed: 12/23/2022] Open
Abstract
A hallmark of heart failure is mitochondrial dysfunction leading to a bioenergetics imbalance in the myocardium. Consequently, there is much interest in targeting mitochondrial abnormalities to attenuate the pathogenesis of heart failure. This review discusses (i) how electron microscopy (EM) techniques have been fundamental for the current understanding of mitochondrial structure–function, (ii) the paradigm shift in resolutions now achievable by 3‐D EM techniques due to the introduction of direct detection devices and phase plate technology, and (iii) the application of EM for unravelling mitochondrial pathological remodelling in heart failure. We further consider the tremendous potential of multi‐scale EM techniques for the development of therapeutics, structure‐based ligand design and for delineating how a drug elicits nanostructural effects at the molecular, organelle and cellular levels. In conclusion, 3‐D EM techniques have entered a new era of structural biology and are poised to play a pivotal role in discovering new therapies targeting mitochondria for treating heart failure. Linked Articles This article is part of a themed section on Mitochondrial Pharmacology: Featured Mechanisms and Approaches for Therapy Translation. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v176.22/issuetoc
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Affiliation(s)
- Hussam M Daghistani
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Bodour S Rajab
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Ashraf Kitmitto
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
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Abstract
The introduction of the term 'acute kidney injury' (AKI) along with an international classification scheme,1 caused some initial confusion, but most clinicians and many patients now understand that the term 'injury' denotes damage to the internal workings of the kidney, rather than physical trauma. However, of greater concern is the use of the term 'nephrotoxic' to include drugs that are, in most settings, nephroprotective. We argue that this imprecise terminology, unfortunately adopted by the National Institute for Health and Care Excellence (NICE) among others, is potentially harmful, and that the terms 'nephrotoxin' and 'nephrotoxic' should not be used to describe haemodynamically mediated and fully reversible effects of some drugs on excretory function.
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Affiliation(s)
- Mike Jones
- University Hospital of North Durham, Durham, UK
| | - Charles Tomson
- Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
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McHugh KR, DeVore AD, Mentz RJ, Edmonston D, Green JB, Hernandez AF. The emerging role of novel antihyperglycemic agents in the treatment of heart failure and diabetes: A focus on cardiorenal outcomes. Clin Cardiol 2018; 41:1259-1267. [PMID: 30125365 DOI: 10.1002/clc.23054] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 08/10/2018] [Accepted: 08/15/2018] [Indexed: 12/25/2022] Open
Abstract
Heart failure (HF) and type 2 diabetes mellitus (T2DM) are two global pandemics, affecting over 25 and 420 million people, respectively. The prevalence of comorbid HF and T2DM is rising, and the prognosis remains poor. One central area of overlap of these two disease processes is renal dysfunction, which contributes to poor cardiovascular outcomes and mortality. As such, there is a growing need for antihyperglycemic agents with cardio- and renoprotective effects. Three classes of novel antihyperglycemic agents, sodium-glucose cotransporter-2 (SGLT2) inhibitors, glucagon-like peptide-1 receptor agonists (GLP-1RA), and dipeptidyl peptidase-4 (DPP4) inhibitors have demonstrated varied cardiorenal outcomes in recent cardiovascular outcomes trials. Understanding the differential effects of these agents, together with their proposed mechanisms, is crucial for the development of safe and effective treatment regimens and future pharmacologic targets for HF and T2DM. In this review, we discuss the overlapping pathophysiology of HF and T2DM, summarize outcomes data for the novel antihyperglycemic agents and proposed mechanisms of action, and review how the current evidence informs future management of comorbid HF and T2DM.
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Affiliation(s)
- Kelly R McHugh
- Department of Medicine, Duke University School of Medicine, Durham, North Carolina
| | - Adam D DeVore
- Department of Medicine, Duke University School of Medicine, Durham, North Carolina.,Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina
| | - Robert J Mentz
- Department of Medicine, Duke University School of Medicine, Durham, North Carolina.,Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina
| | - Daniel Edmonston
- Department of Medicine, Duke University School of Medicine, Durham, North Carolina
| | - Jennifer B Green
- Department of Medicine, Duke University School of Medicine, Durham, North Carolina.,Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina
| | - Adrian F Hernandez
- Department of Medicine, Duke University School of Medicine, Durham, North Carolina.,Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina
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Broda CR, Sriraman H, Wadhwa D, Wang Y, Tunuguntla H, Akcan-Arikan A, Ermis PR, Price JF. Renal dysfunction is associated with higher central venous pressures in patients with Fontan circulation. CONGENIT HEART DIS 2018; 13:602-607. [PMID: 30079627 DOI: 10.1111/chd.12617] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 03/07/2018] [Accepted: 04/25/2018] [Indexed: 12/25/2022]
Abstract
PURPOSE Elevated central venous pressure (CVP) has deleterious effects on several organ systems in patients with Fontan circulation. However, the relationship between CVP and estimated glomerular filtration rate (eGFR) has not been assessed in patients with Fontan circulation. METHODS Patients with Fontan circulation whose hemodynamics were assessed by catheterization between 1987 and 2015 and had a serum creatinine measured within 72 hours prior to the procedure were included for analysis. Patients with primary kidney disease were excluded. Renal function was calculated by "bedside Schwartz" equation in children (< 18 years) and Modification of Diet in Renal Disease equation in adults. Renal dysfunction (RD) was defined by eGFR < 90mL/min/1.73m2 . Fontan patients with and without RD were compared based on demographics, co-morbidities, medication use, echocardiographic findings, hemodynamics assessed at time of catheterization, and laboratory testing values. RESULTS Sixty-seven patients with Fontan circulation met inclusion criteria and 15 patients (22%) had RD; eGFR (mL/min/1.73m2 ) was 60-89in 13 (87%), 45-59in 1 (7%), and 30-45in 1 (7%). Compared to patients with eGFR equal to or greater than 90, patients with RD had higher CVP (18.0 [15.0-21.0] mm Hg vs 13.5 [12.3-16.0] mm Hg (P = 0.001), lower pulmonary blood flow 2.2 [1.9-2.6] L/min/m2 vs 2.8 [2.3-3.7] L/min/m2 , higher ventricular end-diastolic pressure 10.5 [7.0-17.3] mm Hg vs 8.0 [6.0-10.0] mm Hg (P = 0.050), were more likely to have worse atrioventricular valve regurgitation (P = 0.02) and were more likely to be African American (P = 0.009). CONCLUSIONS In this study population, renal dysfunction in patients with Fontan circulation is associated with increased CVP and factors that affect CVP. African Americans with Fontan circulation may be at particular risk for renal dysfunction. Continued investigation of the effects of venous congestion on kidneys and other factors associated with renal dysfunction in patients with Fontan circulation is warranted.
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Affiliation(s)
- Christopher R Broda
- Department of Pediatrics, Section of Cardiology, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas
| | - Hamsini Sriraman
- George R. Brown School of Engineering, Rice University, Houston, Texas
| | - Devanshi Wadhwa
- George R. Brown School of Engineering, Rice University, Houston, Texas
| | - Yunfei Wang
- Department of Pediatrics, Section of Cardiology, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas
| | - Hari Tunuguntla
- Department of Pediatrics, Section of Cardiology, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas
| | - Ayse Akcan-Arikan
- Department of Pediatrics, Section of Critical Care Medicine, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas.,Department of Pediatrics, Section of Nephrology, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas
| | - Peter R Ermis
- Department of Pediatrics, Section of Cardiology, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas
| | - Jack F Price
- Department of Pediatrics, Section of Cardiology, Baylor College of Medicine/Texas Children's Hospital, Houston, Texas
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Hollinger A, Cerlinskaite K, Bastian K, Mebazaa A. Biomarkers of increased intraventricular pressure: are we ready? Eur Heart J Suppl 2018. [DOI: 10.1093/eurheartj/suy025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Alexa Hollinger
- Department of Anaesthesiology, Burn and Critical Care Medicine, AP-HP, Saint Louis and Lariboisière University Hospitals, 2 rue A. Paré, Paris, France
- Inserm 942 Paris, Biomarqueurs et maladies cardiaques, Hôpital Lariboisière - Bâtiment Viggo Petersen, 41, boulevard de la Chapelle, Paris Cedex 10, France
- Department of Anesthesia, Surgical Intensive Care, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Basel, Switzerland
| | - Kamile Cerlinskaite
- Department of Anaesthesiology, Burn and Critical Care Medicine, AP-HP, Saint Louis and Lariboisière University Hospitals, 2 rue A. Paré, Paris, France
- Inserm 942 Paris, Biomarqueurs et maladies cardiaques, Hôpital Lariboisière - Bâtiment Viggo Petersen, 41, boulevard de la Chapelle, Paris Cedex 10, France
- Clinic of Cardiac and Vascular Diseases, Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, Santariškių g. 2, Vilnius, Lithuania
| | - Kathleen Bastian
- Department of Anaesthesiology, Burn and Critical Care Medicine, AP-HP, Saint Louis and Lariboisière University Hospitals, 2 rue A. Paré, Paris, France
- Inserm 942 Paris, Biomarqueurs et maladies cardiaques, Hôpital Lariboisière - Bâtiment Viggo Petersen, 41, boulevard de la Chapelle, Paris Cedex 10, France
- Department of Anesthesia, Surgical Intensive Care, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Basel, Switzerland
| | - Alexandre Mebazaa
- Department of Anaesthesiology, Burn and Critical Care Medicine, AP-HP, Saint Louis and Lariboisière University Hospitals, 2 rue A. Paré, Paris, France
- Inserm 942 Paris, Biomarqueurs et maladies cardiaques, Hôpital Lariboisière - Bâtiment Viggo Petersen, 41, boulevard de la Chapelle, Paris Cedex 10, France
- University Paris Diderot, 5 rue Thomas Mann, Paris, France
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Ono Y, Takamatsu H, Inoue M, Mabuchi Y, Ueda T, Suzuki T, Kurabayashi M. Clinical effect of long-term administration of tolvaptan in patients with heart failure and chronic kidney disease. Drug Discov Ther 2018; 12:154-160. [DOI: 10.5582/ddt.2018.01007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yohei Ono
- Department of Cardiology, Fujioka General Hospital
| | | | | | | | - Tetsuya Ueda
- Department of Cardiology, Fujioka General Hospital
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Nadim MK, Forni LG, Bihorac A, Hobson C, Koyner JL, Shaw A, Arnaoutakis GJ, Ding X, Engelman DT, Gasparovic H, Gasparovic V, Herzog CA, Kashani K, Katz N, Liu KD, Mehta RL, Ostermann M, Pannu N, Pickkers P, Price S, Ricci Z, Rich JB, Sajja LR, Weaver FA, Zarbock A, Ronco C, Kellum JA. Cardiac and Vascular Surgery-Associated Acute Kidney Injury: The 20th International Consensus Conference of the ADQI (Acute Disease Quality Initiative) Group. J Am Heart Assoc 2018; 7:JAHA.118.008834. [PMID: 29858368 PMCID: PMC6015369 DOI: 10.1161/jaha.118.008834] [Citation(s) in RCA: 160] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Mitra K Nadim
- Division of Nephrology & Hypertension, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA
| | - Lui G Forni
- Department of Clinical & Experimental Medicine, University of Surrey, Guildford, United Kingdom.,Royal Surrey County Hospital NHS Foundation Trust, Guildford, United Kingdom
| | - Azra Bihorac
- Division of Nephrology, Hypertension & Renal Transplantation, Department of Medicine, University of Florida, Gainesville, FL
| | - Charles Hobson
- Division of Surgical Critical Care, Department of Surgery, Malcom Randall VA Medical Center, Gainesville, FL
| | - Jay L Koyner
- Section of Nephrology, Department of Medicine, University of Chicago, IL
| | - Andrew Shaw
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN
| | - George J Arnaoutakis
- Division of Thoracic & Cardiovascular Surgery, Department of Surgery, University of Florida College of Medicine, Gainesville, FL
| | - Xiaoqiang Ding
- Department of Nephrology, Shanghai Institute for Kidney Disease and Dialysis, Shanghai Medical Center for Kidney Disease, Zhongshan Hospital Fudan University, Shanghai, China
| | - Daniel T Engelman
- Division of Cardiac Surgery, Department of Surgery, Baystate Medical Center, University of Massachusetts Medical School, Springfield, MA
| | - Hrvoje Gasparovic
- Department of Cardiac Surgery, University Hospital Rebro, Zagreb, Croatia
| | | | - Charles A Herzog
- Division of Cardiology, Department of Medicine, Hennepin County Medical Center, University of Minnesota, Minneapolis, MN
| | - Kianoush Kashani
- Division of Nephrology & Hypertension, Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN
| | - Nevin Katz
- Division of Cardiac Surgery, Department of Surgery, Johns Hopkins University, Baltimore, MD
| | - Kathleen D Liu
- Divisions of Nephrology and Critical Care, Departments of Medicine and Anesthesia, University of California, San Francisco, CA
| | - Ravindra L Mehta
- Department of Medicine, UCSD Medical Center, University of California, San Diego, CA
| | - Marlies Ostermann
- King's College London, Guy's & St Thomas' Hospital, London, United Kingdom
| | - Neesh Pannu
- Division of Critical Care Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Peter Pickkers
- Department Intensive Care Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Susanna Price
- Adult Intensive Care Unit, Imperial College, Royal Brompton Hospital, London, United Kingdom
| | - Zaccaria Ricci
- Department of Pediatric Cardiac Surgery, Bambino Gesù Children's Hospital, Roma, Italy
| | - Jeffrey B Rich
- Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
| | - Lokeswara R Sajja
- Division of Cardiothoracic Surgery, STAR Hospitals, Hyderabad, India
| | - Fred A Weaver
- Division of Vascular Surgery, Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA
| | - Alexander Zarbock
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Claudio Ronco
- Department of Nephrology, Dialysis and Transplantation, San Bortolo Hospital International Renal Research Institute of Vicenza, Italy
| | - John A Kellum
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, PA
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Selective abdominal venous congestion to investigate cardiorenal interactions in a rat model. PLoS One 2018; 13:e0197687. [PMID: 29813081 PMCID: PMC5973578 DOI: 10.1371/journal.pone.0197687] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 05/07/2018] [Indexed: 12/20/2022] Open
Abstract
Abdominal congestion may play an important role in the cardiorenal syndrome and has been demonstrated to drive disease progression. An animal model for abdominal congestion, without other culprit mechanisms that are often present in patients such as low cardiac output or chronic kidney disease, might be interesting to allow a better study of the pathophysiology of the cardiorenal syndrome. The objective of this study was to develop a clinically relevant and valid rat model with abdominal venous congestion and without pre-existing heart and/or kidney dysfunction. To do so, a permanent surgical constriction (20 Gauge) of the thoracic inferior vena cava (IVC) was applied in male Sprague Dawley rats (IVCc, n = 7), which were compared to sham-operated rats (SHAM, n = 6). Twelve weeks after surgery, abdominal venous pressure (mean: 13.8 vs 4.9 mmHg, p < 0.01), plasma creatinine (p < 0.05), plasma cystatin c (p < 0.01), urinary albumin (p < 0.05), glomerular surface area (p < 0.01) and width of Bowman's space (p < 0.05) of the IVCc group were significantly increased compared to the SHAM group for a comparable absolute body weight between groups (559 vs 530g, respectively, p = 0.73). Conventional cardiac echocardiographic and hemodynamic parameters did not differ significantly between both groups, indicating that cardiac function was not compromised by the surgery. In conclusion, we demonstrate that constriction of the thoracic IVC in adult rats is feasible and significantly increases the abdominal venous pressure to a clinically relevant level, thereby inducing abdominal venous congestion.
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Minami S, Hamano T, Iwatani H, Mizui M, Kimura Y, Isaka Y. Tolvaptan promotes urinary excretion of sodium and urea: a retrospective cohort study. Clin Exp Nephrol 2017; 22:550-561. [PMID: 29052786 DOI: 10.1007/s10157-017-1475-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 08/31/2017] [Indexed: 10/18/2022]
Abstract
BACKGROUND Tolvaptan (TLV) promotes aquaresis; however, little is known about its effect on solute excretion in chronic kidney disease (CKD). METHODS We retrospectively studied CKD patients with decompensated heart failure (HF) or those with autosomal dominant polycystic kidney disease (ADPKD) receiving TLV. Patients with an increased urine volume of more than twice of daily variance were defined as "responders" in HF. We compared the ability of the urinary osmolality (U-OSM) change and urinary creatinine concentration ([U-Cr]) change to discriminate "responders". The fractional excretion of sodium (FeNa) and urea nitrogen (FeUN), and blood urea nitrogen (BUN) were monitored. RESULTS In 30 responders among 53 HF patients, TLV increased FeUN significantly from 36.1 to 44.2% after starting TLV, but not FeNa. Since U-OSM is determined partially by urinary UN concentration, the decrease of [U-Cr] after treatment outperformed the U-OSM decrement to discriminate responders, as shown in receiver operating characteristic curve analysis and significantly higher net reclassification index. In 13 ADPKD patients, TLV increased FeUN (34.8, 47.3%, p = 0.02), and significant decrease of BUN by 2.3 (95% confidence interval 0.4-4.2) mg/dL was observed even 3 months after the intervention. Systolic blood pressure decreased significantly by 14.2 (95% confidence interval 4.0-24.4) mmHg along with the increase in FeNa, leading to reduced dosage of antihypertensives in 6 patients. CONCLUSION TLV promotes the excretion of sodium and urea. The change in [U-Cr] is useful for early discrimination of responders. Hypotension should be carefully monitored during high-dose TLV therapy.
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Affiliation(s)
- Satoshi Minami
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Takayuki Hamano
- Department of Comprehensive Kidney Disease Research, Osaka University Graduate School of Medicine, D11, 2-2 Yamadaoka, Suita, Osaka, Japan, 565-0871.
| | - Hirotsugu Iwatani
- Department of Nephrology, National Hospital Organization Osaka National Hospital, Chuo-ku, Osaka, Osaka, Japan
| | - Masayuki Mizui
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yoshiki Kimura
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yoshitaka Isaka
- Department of Nephrology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
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Afsar B, Rossignol P, van Heerebeek L, Paulus WJ, Damman K, Heymans S, van Empel V, Sag A, Maisel A, Kanbay M. Heart failure with preserved ejection fraction: a nephrologist-directed primer. Heart Fail Rev 2017; 22:765-773. [DOI: 10.1007/s10741-017-9619-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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74
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Involvement of systemic venous congestion in heart failure. Rev Clin Esp 2017. [DOI: 10.1016/j.rceng.2016.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Rubio Gracia J, Sánchez Marteles M, Pérez Calvo JI. Involvement of systemic venous congestion in heart failure. Rev Clin Esp 2016; 217:161-169. [PMID: 27979306 DOI: 10.1016/j.rce.2016.10.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 10/05/2016] [Accepted: 10/31/2016] [Indexed: 12/17/2022]
Abstract
Systemic venous congestion has gained significant importance in the interpretation of the pathophysiology of acute heart failure, especially in the development of renal function impairment during exacerbations. In this study, we review the concept, clinical characterisation and identification of venous congestion. We update current knowledge on its importance in the pathophysiology of acute heart failure and its involvement in the prognosis. We pay special attention to the relationship between abdominal congestion, the pulmonary interstitium as filtering membrane, inflammatory phenomena and renal function impairment in acute heart failure. Lastly, we review decongestion as a new therapeutic objective and the measures available for its assessment.
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Affiliation(s)
- J Rubio Gracia
- Servicio de Medicina Interna, Hospital Clínico Universitario Lozano Blesa, Zaragoza, España; Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, España.
| | - M Sánchez Marteles
- Servicio de Medicina Interna, Hospital Clínico Universitario Lozano Blesa, Zaragoza, España; Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, España
| | - J I Pérez Calvo
- Servicio de Medicina Interna, Hospital Clínico Universitario Lozano Blesa, Zaragoza, España; Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, España; Facultad de Medicina, Universidad de Zaragoza, Zaragoza, España
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76
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Abstract
We present the case of a patient with heart failure and severe congestion who was responding poorly to diuretic therapy. We discuss the key problems concerning the pathophysiology and bedside therapeutic approach to congestion and fluid overload in this clinical setting, and we give practical suggestions to overcome congestion, especially in the setting of diuretic resistance and worsening renal function. We conclude that the application of key pharmacokinetic and pharmacodynamic principles of diuretic therapy, along with in-depth knowledge of the pathophysiology of heart failure, still represent the cornerstones for a correct approach to decongestive therapy in these patients.
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