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https://www.readbyqxmd.com/read/28736564/characterization-of-an-animal-model-to-study-risk-factors-and-new-therapies-for-the-cardiorenal-syndrome-a-major-health-issue-in-our-aging-population
#1
Anja Verhulst, Ellen Neven, Patrick C D'Haese
BACKGROUND: The cardiorenal syndrome (CRS) is a major health problem in our aging population. The term was introduced to cover disorders of the kidneys and heart, whereby dysfunction of one organ may induce dysfunction of the other. As the natural history of the CRS is mostly slow, hence difficult to explore in clinical trials, adequate animal models combining cardiovascular and renal disease are required. Therefore, we developed and characterized a usable model for CRS type 4, i.e. chronic kidney disease (CKD) causing cardiac dysfunction...
June 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/28733448/pathophysiology-of-cardiorenal-syndrome-in-patients-with-heart-failure-potential-therapeutic-targets
#2
Hiroyuki Takahama, Masafumi Kitakaze
Despite the development of pharmacological inventions and new non-pharamacological techniques to prevent and treat HF, the mortality rate in patients with symptomatic HF remains high. To conquer these difficulties, the pathophysiology of HF should be considered within a wide range of views. Given the diverse mechanisms of HF pathophysiology, renal and cardiac functions have close and complementary interconnections. Recent studies suggest that communication between kidney and heart through bidirectional pathways causes significant pathological changes...
July 21, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28729965/fluid-overload-as-a-major-target-in-management-of-cardiorenal-syndrome-implications-for-the-practice-of-peritoneal-dialysis
#3
REVIEW
Amir Kazory
Congestion is an integral component of cardiorenal syndrome and portends an adverse impact on the outcomes. Recent studies suggest that congestion has the ability of modulating the interactions between the kidney and the heart in this setting. Peritoneal dialysis (PD) is a home-based therapeutic modality that is not only offered to patients with end-stage renal disease to provide solute clearance and ultrafiltration, but it has also been used in patients with refractory heart failure and fluid overload to help optimize volume status...
July 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28725324/cardiorenal-syndrome-role-of-arginine-vasopressin-and-vaptans-in-heart-failure
#4
REVIEW
Poornima Vinod, Vinod Krishnappa, Abigail M Chauvin, Anshika Khare, Rupesh Raina
Heart and kidney failure continued to be of increasing prevalence in today's society, and their comorbidity has synergistic effect on the morbidity and mortality of patients. Cardiorenal syndrome (CRS) is a complex disease with multifactorial pathophysiology. Better understanding of this pathophysiological network is crucial for the successful intervention to prevent advancement of the disease process. One of the major factors in this process is neurohormonal activation, predominantly involving renin-angiotensin-aldosterone system (RAAS) and arginine vasopressin (AVP)...
June 2017: Cardiology Research
https://www.readbyqxmd.com/read/28711447/the-transition-from-hypertension-to%C3%A2-heart%C3%A2-failure-contemporary-update
#5
REVIEW
Franz H Messerli, Stefano F Rimoldi, Sripal Bangalore
Longstanding hypertension ultimately leads to heart failure (HF), and as a consequence most patients with HF have a history of hypertension. Conversely, absence of hypertension in middle age is associated with lower risks for incident HF across the remaining life course. Cardiac remodeling to a predominant pressure overload consists of diastolic dysfunction and concentric left ventricular (LV) hypertrophy. When pressure overload is sustained, diastolic dysfunction progresses, filling of the concentric remodeled LV decreases, and HF with preserved ejection fraction ensues...
July 6, 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28701807/natriuretic-peptides-as-biomarkers-for-congestive-states-the-cardiorenal-divergence
#6
REVIEW
Abhilash Koratala, Amir Kazory
Congestion represents the primary reason for hospitalization of patients with heart failure and is associated with adverse outcomes. Fluid overload has been shown to be inadequately addressed in a significant subset of these patients in part due to lack of robust, reliable, and readily available biomarkers for objective assessment and monitoring of therapy. Natriuretic peptides have long been used in this setting, often in conjunction with other assessment tools such as imaging studies. Patients presenting with concomitant cardiac and renal dysfunction represent a unique population with regard to congestion in that the interactions between the heart and the kidney can affect the utility and performance of biomarkers of fluid overload...
2017: Disease Markers
https://www.readbyqxmd.com/read/28691504/takotsubo-cardiomyopathy-another-form-of-cardiorenal-syndrome
#7
Verena Bill, Ibrahim El-Battrawy, Ursula Hoffmann, Darius Haghi, Jürgen Kuschyk, Martin Borggrefe, Ibrahim Akin
Takotsubo cardiomyopathy (TC) is a life-threatening syndrome with ambiguous pathophysiology. The interdependency between heart failure and kidney failure (KF) is well established, but the influence of KF on TC outcome is not known. This single-center cohort from January 2003 to September 2015 consisted of 114 consecutive patients with TC. They were divided into 2 groups according to the presence (n = 32, 29.6%) or absence (n = 76, 70.3%) of KF. The end point of this retrospective study was a composite of in-hospital events, all-cause mortality, rehospitalization due to heart failure, stroke, and recurrence of TC (mean follow-up: 5 years)...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28682034/-fabry-s-disease-an-example-of-cardiorenal-syndrome-type-5
#8
Gianluca Villa, Stefano Romagnoli, Aashish Sharma, Claudio Ronco
Fabry's disease (FD) is a severe congenital metabolic disorder characterized by the deficient activity of lysosomal exoglycohydrolase alpha-galactosidase, characterized by glycosphingolipid deposition in several cells, such as capillary endothelial cells, renal, cardiac, and nerve cells. As a systemic disease leading to a contemporaneous myocardial and renal dysfunction, FD might be an example of cardiorenal syndrome type 5 (CRS-5). Kidney damage is commonly characterized by proteinuria, isosthenuria and altered tubular function when occurs at the second-third decade, azotemia and end-stage renal disease in third-fifth decade...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28669432/cardiorenal-syndrome-diagnosis-and-management
#9
REVIEW
João S Orvalho, Larry D Cowgill
Cardiorenal syndrome (CRS) has not been well characterized in veterinary medicine, yet an accurate appreciation of the kidney and the cardiovascular system and their interactions may have practical clinical implications. A consensus for cardiovascular-renal axis disorders of dogs and cats was recently attempted. The outcome of patients with CRS is likely to improve with the increasing awareness and ability to identify and understand the pathophysiologic characteristics of CRS. The utilization of existing and emerging organ-specific biomarkers with greater sensitivities than conventional diagnostics forecast new opportunities to diagnose and manage cardiac disease...
June 29, 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28655835/use-of-a-single-baseline-versus-multi-year-24-hour-urine-collections-for-estimation-of-long-term-sodium-intake-and-associated-cardiovascular-and-renal-risk
#10
Rik H G Olde Engberink, Thomas C van den Hoek, Nicky D van Noordenne, Bert-Jan H van den Born, Hessel Peters-Sengers, Liffert Vogt
Background -A decrease in sodium intake has been shown to lower blood pressure, but data from cohort studies on the association with cardiovascular and renal outcomes are inconsistent. In these studies sodium intake was often estimated using a single baseline measurements, which may be inaccurate considering day-to-day changes in sodium intake and sodium excretion. We compared the effects of single versus repetitive follow-up 24-hour urine samples on the relation between sodium intake and long-term cardiorenal outcomes...
June 27, 2017: Circulation
https://www.readbyqxmd.com/read/28655387/hemodialysis-treatment-of-cardiorenal-syndrome
#11
Boštjan Leskovar, Tjaša Furlan, Simona Poznič, Maja Potisek, Anton Adamlje
AIMS: We evaluated the impact of hemodialysis on mortality and hospital readmission in patients with cardiorenal syndrome. METHODS: All patients were NYHA IV functional class and underwent laboratory testing, echocardiography, and cardiac functional testing. Hemodialysis was indicated in patients with progressive decline of kidney function and consequent failure to titrate heart failure medication as well as in patients with hypervolemia that was resistant to conservative treatment with more than 4 annual hospitalizations due to heart failure and/or concomitant chronic kidney disease stage III - IV...
June 28, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28624831/chelerythrine-attenuates-renal-ischemia-reperfusion-induced-myocardial-injury-by-activating-cse-h2s-via-pkc-nf-%C3%AE%C2%BAb-pathway-in-diabetic-rats
#12
Bo Hu, Guangtao Xu, Yongxia Zheng, Fei Tong, Ping Qian, Xiaoyan Pan, Xinmei Zhou, Ruilin Shen
BACKGROUND/AIMS: Chelerythrine (CHE), a benzophenanthridine alkaloid, is a potent, selective, and cell-permeable protein kinase C (PKC) inhibitor. The purpose of the present study was to evaluate the effect of CHE on myocardial recovery after renal ischemia/reperfusion (I/R)-induced myocardial injury (RI/RMI) in a streptozocin (STZ)-induced diabetic rat model. METHODS: Diabetes mellitus (DM) rats preconditioned with CHE and D, L-propargylglycine (PAG) were subjected to renal I/R...
2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28624812/extracorporeal-shock-wave-treatment-attenuated-left-ventricular-dysfunction-and-remodeling-in-mini-pig-with-cardiorenal-syndrome
#13
Jiunn-Jye Sheu, Hani E E Ali, Ben-Chung Cheng, Hsin-Ju Chiang, Pei-Hsun Sung, Kuan-Hung Chen, Chih-Chao Yang, Yen-Ta Chen, John Y Chiang, Pao-Yuan Lin, Sarah Chua, Han-Tan Chai, Sheng-Ying Chung, Cheuk-Kwan Sun, Hon-Kan Yip
This study tested the hypothesis that extracorporeal shock wave (ECSW) treatment can improve ischemia-induced left ventricular (LV) dysfunction in mini-pig with co-existing chronic kidney disease (CKD). LV ischemia in mini-pigs was induced by applying an ameroid constrictor over mid-left anterior descending artery (LAD), while model of CKD was established by right nephrectomy with partial ligation of left renal arterioles 2 weeks before LAD constriction. Thirty mini-pigs were randomly divided into group 1 (sham-control), group 2 (LV-ischemia), group 3 (LV-ischemia + CKD), Group 4 [LV-ischemia + ECSW (applied 1200 shots at 0...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28611785/initiation-and-cessation-timing-of-renal-replacement-therapy-in-patients-with-type-1-cardiorenal-syndrome-an-observational-study
#14
Buyun Wu, Wenyan Yan, Xing Li, Xiangqing Kong, Xiangbao Yu, Yamei Zhu, Changying Xing, Huijuan Mao
BACKGROUND/AIMS: Renal replacement therapy (RRT) is a rescue therapy for patients with type 1 cardiorenal syndrome (CRS) with poor prognoses. However, the optimal timing for initiation and cessation of RRT remains controversial. The purpose of this study was to determine the optimal timing of initiation and cessation of RRT for patients with type 1 CRS. METHODS: In this retrospective analysis, patients with refractory type 1 CRS receiving RRT were divided into 3 groups according to weaning from RRT and death within 90 days...
February 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/28611784/the-central-role-of-endothelial-dysfunction-in-cardiorenal-syndrome
#15
REVIEW
Jun Zhang, Teodoro Bottiglieri, Peter A McCullough
BACKGROUND: Endothelial dysfunction (ED) has emerged as a critical process in cardiorenal syndrome (CRS). The concept that ED is closely linked with cardiac and renal dysfunction has become an important target for CRS-related research and clinical practice. SUMMARY: The sequence of events leading to ED is initiated by type I endothelial activation (almost immediately) and type II endothelial activation (over hours, days, and even months), followed by endothelial apoptosis and endothelial necrosis...
February 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/28606343/pharmacologic-management-of-type-2-diabetes-mellitus-available-therapies
#16
James Thrasher
Choices for the treatment of type 2 diabetes mellitus (T2DM) have multiplied as our understanding of the underlying pathophysiologic defects has evolved. Treatment should target multiple defects in T2DM and follow a patient-centered approach that considers factors beyond glycemic control, including cardiovascular risk reduction. The American Association of Clinical Endocrinologists/American College of Endocrinology and the American Diabetes Association recommend an initial approach consisting of lifestyle changes and monotherapy, preferably with metformin...
July 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28598953/uromodulin-associates-with-cardiorenal-function-in-patients-with-hypertension-and-cardiovascular-disease
#17
Engi A H Algharably, Juliane Bolbrinker, Susanne Lezius, Rona Reibis, Karl Wegscheider, Heinz Völler, Reinhold Kreutz
OBJECTIVE: Common genetic variants in the gene encoding uromodulin (UMOD) have been associated with renal function, blood pressure (BP) and hypertension. We investigated the associations between an important single nucleotide polymorphism (SNP) in UMOD, that is rs12917707-G>T, and estimated glomerular filtration rate (eGFR), BP and cardiac organ damage as determined by echocardiography in patients with arterial hypertension. METHODS: A cohort of 1218 treated high-risk patients (mean age 58...
June 8, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28577743/renin-angiotensin-system-blockade-finerenone
#18
REVIEW
Luis M Ruilope, Juan Tamargo
Finerenone is a novel selective nonsteroidal mineralocorticoid receptor antagonist. Results in preclinical studies showed that lower doses of finerenone were needed to achieve similar cardiorenal protective effects compared to both spironolactone and eplerenone and phase II studies in finerenone in patients with heart failure, type-2 diabetes mellitus and/or chronic kidney disease are encouraging as the drug is effective and safe in patients on renin-angiotensin system inhibitors (significant reduction in albuminuria and a low rate of hyperkalemia), but the primary end points were "soft" end points (serum potassium, estimated glomerular filtration rate, albuminuria, N-terminal prohormone B-type natriuretic peptide levels)...
April 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28560105/the-metabolic-profile-of-a-rat-model-of-chronic-kidney-disease
#19
Yohei Tanada, Junji Okuda, Takao Kato, Eri Minamino-Muta, Ichijiro Murata, Tomoyoshi Soga, Tetsuo Shioi, Takeshi Kimura
BACKGROUND: The kidney is always subjected to high metabolic demand. The aim of this study was to characterize metabolic profiles of a rat model of chronic kidney disease (CKD) with cardiorenal syndrome (CRS) induced by prolonged hypertension. METHODS: We used inbred male Dahl salt-sensitive (DS) rats fed an 8% NaCl diet from six weeks of age (high-salt; HS group) or a 0.3% NaCl diet as controls (low-salt; LS group). We analyzed function, pathology, metabolome, and the gene expression related to energy metabolism of the kidney...
2017: PeerJ
https://www.readbyqxmd.com/read/28560004/impact-of-impaired-cardiac-function-on-the-progression-of-chronic-kidney-disease-role-of-pharmacomodulation-of-valsartan
#20
Chih-Chao Yang, Hon-Kan Yip, Kuan-Hung Chen, Cheuk-Kwan Sun, Yen-Ta Chen, Han-Tan Chai, Pei-Hsun Sung, Hsin-Ju Chiang, Sheung-Fat Ko, Sheng-Ying Chung, Chih-Hung Chen, Kun-Chen Lin, Pao-Yuan Lin, Jiunn-Jye Sheu
Although chronic kidney disease (CKD) is known to aggravate cardiovascular disease in the setting of cardiorenal syndrome (CRS), the impact of impaired cardiac function on the progression of CKD has seldom been reported. This study tested the impact of acute myocardial infarction on a rodent CKD model and the therapeutic effect of valsartan in this setting. Adult male Sprague-Dawley rats (n = 50) equally divided into group 1 (sham control), group 2 (CKD induced by 5/6 nephrectomy), group 3 (AMI by ligation of left coronary artery), group 4 (CKD+AMI), group 5 (CKD+AMI+valsartan, orally 10 mg/kg/day)...
2017: American Journal of Translational Research
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