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https://www.readbyqxmd.com/read/27924757/cardiac-resynchronization-therapy-prevents-progression-of-renal-failure-in-heart-failure-patients
#1
Vinodh Jeevanantham, Mohit Turagam, David Shanberg, Madhu Reddy, Moustapha Atoui, James P Daubert, Buddhadeb Dawn, Dhanunjaya Lakkireddy
BACKGROUND: The goal of this study is to assess the effect of cardiac resynchronization therapy (CRT) over time on renal function and its impact on mortality. The effect of CRT on renal function in patients with heart failure is not well understood. METHODS: All patients who underwent CRT implantation at University of Kansas between year 2000 and 2009 were reviewed and patients who had pre and post CRT renal function studied were included in our study. Stages of chronic kidney disease (CKD) were defined based on Kidney Disease Outcome Quality Initiative (KDOQI) guidelines...
July 2016: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/27917928/renal-denervation-improves-the-baroreflex-and-gaba-system-in-chronic-kidney-disease-induced-hypertension
#2
Hsin-Hung Chen, Pei-Wen Cheng, Wen-Yu Ho, Pei-Jung Lu, Chi-Cheng Lai, Yang-Ming Tseng, Hua-Chang Fang, Gwo-Ching Sun, Michael Hsiao, Chun-Peng Liu, Ching-Jiunn Tseng
Hypertensive rats with chronic kidney disease (CKD) exhibit enhanced gamma-aminobutyric acid (GABA)B receptor function and regulation within the nucleus tractus solitarii (NTS). For CKD with hypertension, renal denervation (RD) interrupts the afferent renal sympathetic nerves, which are connecting to the NTS. The objective of the present study was to investigate how RD improves CKD-induced hypertension. Rats underwent 5/6 nephrectomy for 8 weeks, which induced CKD and hypertension. RD was induced by applying phenol to surround the renal artery in CKD...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27898337/complications-and-1-year-benefit-of-cardiac-resynchronization-therapy-in-patients-over-75-years-of-age-insights-from-the-german-device-registry
#3
Julia Köbe, Dietrich Andresen, Sebastian Maier, Christoph Stellbrink, Thomas Kleemann, Bernd-Dieter Gonska, Sebastian Reif, Matthias Hochadel, Jochen Senges, Lars Eckardt
OBJECTIVE: Evidence on cardiac resynchronization therapy (CRT) in older patients is scarce and conflicting. Nevertheless, CRT in the elderly is of major practical relevance as heart failure prevalence increases with age. METHODS: The German Device Registry (DEVICE) is a nationwide, prospective registry with a longitudinal follow-up design investigating device implantations in 60 German centres. The present analysis of DEVICE focussed on perioperative complication rates and 1-year outcome of patients ≥75years (n=320) compared to younger patients (n=879) receiving a CRT device...
November 10, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27883326/renal-replacement-therapy-in-patients-with-heart-and-kidney-failure
#4
Dimitrios S Goumenos, Evangelos Papachristou, Marios Papasotiriou
The incidence of chronic kidney disease (CKD) in patients with chronic heart failure (CHF) is high as CKD and CHF share underlying risk factors such as arterial hypertension, diabetes mellitus and atherosclerosis. Cardiac failure leads to renal hypoperfusion and dysfunction and then fluid overload and need for aggressive diuretic therapy. However, development of diuretic resistance represents a significant problem in the management of these patients. The role of Renal Replacement Therapy (RRT) is important for patients who do not response to conservative management of fluid overload facilitating the failing heart to restore function...
November 1, 2016: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/27856809/association-of-chronic-kidney-disease-with-impaired-left-atrial-reservoir-function-a-community-based-cohort-study
#5
Koki Nakanishi, Zhezhen Jin, Cesare Russo, Shunichi Homma, Mitchell Sv Elkind, Tatjana Rundek, Aylin Tugcu, Ralph L Sacco, Marco R Di Tullio
BACKGROUND: Chronic kidney disease (CKD) is an independent risk factor for atrial fibrillation, although the pathophysiological mechanisms remain unclear. This study investigated the relationship between CKD and left atrial (LA) volume and function in a sample of the general population without overt cardiac disease. DESIGN AND METHODS: We examined 358 participants from the Cardiovascular Abnormalities and Brain Lesions study. The LA minimum volume index (LAVImin), LA maximum volume index (LAVImax), and LA emptying fraction (LAEF) were assessed by real-time three-dimensional echocardiography...
November 17, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27856090/cystatin-c-and-cardiac-measures-in-children-and%C3%A2-adolescents%C3%A2-with-ckd
#6
Tammy M Brady, Kelly Townsend, Michael F Schneider, Christopher Cox, Thomas Kimball, Peace Madueme, Bradley Warady, Susan Furth, Mark Mitsnefes
BACKGROUND: Cardiovascular disease (CVD) is highly prevalent among children with chronic kidney disease (CKD). Cystatin C is an established marker of kidney function and an emerging biomarker for CVD events. We quantified the relationship between cystatin C level and cardiac structure and function over time among children with CKD and assessed whether cystatin C level and diastolic function retained an association after accounting for kidney function. STUDY DESIGN: Prospective cohort study...
November 14, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27846783/point-of-care-assessment-of-cardiac-troponin-t-level-in-ckd-patients-with-chest-symptom
#7
Masaki Iwasaki, Kenji Yamazaki, Nobutaka Ikeda, Yuri Tanaka, Toshihide Hayashi, Shun Kubo, Ai Matsukane, Hiroki Hase, Nobuhiko Joki
We challenged to identify the cutoff value of cTnT in chronic kidney disease (CKD) patients by point of care assessment way. A single center, prospective cross-sectional study was planned and performed. 201 consecutive patients who were visited emergency room for chest symptoms were enrolled in this study. All patients were performed routine practice for differential diagnosis of chest symptom by cardiologist. Simultaneously, semiquantitative measurement of cTnT was performed using same blood sampling on the blind condition to cardiologists for this study...
November 15, 2016: Renal Failure
https://www.readbyqxmd.com/read/27846456/management-and-outcomes-of-acute-myocardial-infarction-in-patients-with-chronic-kidney-disease
#8
Nathaniel R Smilowitz, Navdeep Gupta, Yu Guo, Rina Mauricio, Sripal Bangalore
BACKGROUND: Chronic kidney disease (CKD) is associated with cardiovascular disease and acute myocardial infarction (AMI). Contemporary management and outcomes of AMI in patients with CKD have not been reported. METHODS: We analyzed United States National Inpatient Sample data for patients admitted with AMI with or without CKD from 2007 to 2012. Propensity score matching was used to identify patients with AMI and CKD with similar baseline characteristics who were managed invasively (cardiac catheterization, percutaneous coronary intervention [PCI], or coronary artery bypass graft surgery [CABG]) or conservatively...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27811207/interpreting-cardiac-biomarkers-in-the-setting-of-chronic-kidney-disease
#9
REVIEW
Christopher R deFilippi, Charles A Herzog
BACKGROUND: Chronic kidney disease (CKD) is common, particularly in those of advanced age. Because patients with CKD frequently have cardiac comorbidities and acute or chronic symptoms that may represent heart failure or an acute myocardial infarction (AMI), testing for concentrations of cardiac troponins and natriuretic peptides is frequent. Interpretation of these biomarkers can be challenging when differentiating acute from chronic processes, potentially resulting in missed opportunities to direct appropriate treatment...
November 3, 2016: Clinical Chemistry
https://www.readbyqxmd.com/read/27805564/coronary-artery-calcification-in-ckd-5d-%C3%A2-patients-is-tied-to-adverse-cardiac-function-%C3%A2-and-increased-mortality%C3%A2
#10
Paul Anaya, Gustav A Blomquist, Daniel L Davenport, Marie-Claude Monier-Faugere, Vincent L Sorrell, Hartmut H Malluche
BACKGROUND: Coronary artery calcification (CAC) is common in patients with chronic kidney disease on hemodialysis (CKD-5D) and is an important predictor of mortality. However, cardiac functional links between CAC and mortality have not been well established. This study tested the hypothesis that CAC increases mortality by adversely affecting cardiac function. METHODS: Patients were recruited from 37 regional dialysis centers. 2-D and Doppler echocardiographic analyses were performed, and CAC was measured using 64-slice computed tomography...
December 2016: Clinical Nephrology
https://www.readbyqxmd.com/read/27789733/cigarette-smoking-causes-epigenetic-changes-associated-with-cardiorenal-fibrosis
#11
Christopher A Drummond, Laura E Crotty Alexander, Steven T Haller, Xiaoming Fan, Jeffrey X Xie, David J Kennedy, Jiang Liu, Yanling Yan, Dawn-Alita Hernandez, Denzil P Mathew, Christopher J Cooper, Joseph I Shapiro, Jiang Tian
Clinical studies indicate that smoking combustible cigarettes promotes progression of renal and cardiac injury, leading to functional decline in the setting of chronic kidney disease (CKD). However, basic studies using in vivo small animal models that mimic clinical pathology of CKD are lacking. To address this issue, we evaluated renal and cardiac injury progression and functional changes induced by 4 weeks of daily combustible cigarette smoke exposure in the 5/6(th) partial nephrectomy (PNx) CKD model. Molecular evaluations revealed that cigarette smoke significantly (p<0...
October 27, 2016: Physiological Genomics
https://www.readbyqxmd.com/read/27774313/an-analysis-of-anthropometric-indicators-and-modifiable-lifestyle-parameters-associated-with-hypertensive-nephropathy
#12
Christiana Aryee, William K B A Owiredu, James Osei-Yeboah, Ellis Owusu-Dabo, Edwin F Laing, Isaac K Owusu
The surge in prevalence of chronic noncommunicable diseases like hypertension and chronic kidney disease has been linked with modifiable lifestyle practices and increased body fat. This study sought to compare the association between different modifiable lifestyle practices, adiposity indices, renal function parameters, and hypertension as well as the predictive implications for levels of these parameters in target cardiac organ damage among an urban Ghanaian hypertensive population. Using a hospital-based case-control study design, 241 Ghanaian indigenes from the Kumasi metropolis were recruited for this study...
2016: International Journal of Hypertension
https://www.readbyqxmd.com/read/27771699/cardiac-hepcidin-expression-associates-with-injury-independent-of-iron
#13
G Fenna van Breda, Lennart G Bongartz, Wenqing Zhuang, Rachel P L van Swelm, Jeanne Pertijs, Branko Braam, Maarten-Jan Cramer, Dorine W Swinkels, Pieter A Doevendans, Marianne C Verhaar, Roos Masereeuw, Jaap A Joles, Carlo A J M Gaillard
BACKGROUND: Hepcidin regulates systemic iron homeostasis by downregulating the iron exporter ferroportin. Circulating hepcidin is mainly derived from the liver but hepcidin is also produced in the heart. We studied the differential and local regulation of hepcidin gene expression in response to myocardial infarction (MI) and/or chronic kidney disease (CKD). We hypothesized that cardiac hepcidin gene expression is induced by and regulated to severity of cardiac injury, either through direct (MI) or remote (CKD) stimuli, as well as through increased local iron content...
2016: American Journal of Nephrology
https://www.readbyqxmd.com/read/27754732/patients-with-fgf23-related-hypophosphatemic-rickets-osteomalacia-do-not-present-with-left-ventricular-hypertrophy
#14
Yuichi Takashi, Yuka Kinoshita, Michiko Hori, Nobuaki Ito, Manabu Taguchi, Seiji Fukumoto
PURPOSE: Fibroblast growth factor 23 (FGF23) is a hormone regulating phosphate metabolism. Excessive actions of FGF23 cause several types of FGF23-related hypophosphatemic rickets/osteomalacia. Recently, it was reported that FGF23 levels were independently correlated with left ventricular hypertrophy (LVH) in patients with chronic kidney disease (CKD). In addition, FGF23 was also shown to cause cardiac hypertrophy directly acting on cardiomyocytes. However, there is no study indicating the correlation between FGF23 and LVH in adult patients with FGF23-related hypophosphatemic rickets/osteomalacia...
October 18, 2016: Endocrine Research
https://www.readbyqxmd.com/read/27754253/os-36-04-kruppel-like-factor-15-is-associated-with-cardiac-hypertrophy-in-an-experimental-model-of-kidney-disease
#15
Sheila Patel, Elena Velkoska, Louise Burrell
OBJECTIVE: Left ventricular hypertrophy (LVH) is prevalent in chronic kidney disease (CKD) and a major cause of cardiovascular morbidity and mortality. Treatment of LVH in CKD is based on blood pressure control. The Kruppel like factor 15 (KLF15) is expressed in the heart and acts as a repressor of cardiac hypertrophy and fibrosis. The role of cardiac KLF15 in the development of LVH in rats with CKD secondary to subtotal nephrectomy (STNx) or the effects of ACE inhibition on KLF15 levels has not been addressed previously...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27754194/br-05-2-angioplasty-of-atherosclerotic-renal-artery-stenosis-who-benefits
#16
Donghoon Choi
: Atherosclerotic renal artery stenosis is an increasingly recognized medical problem especially in elderly patients. It commonly occurs with systemic manifestations including hypertension (HTN), chronic kidney disease (CKD) or atherosclerotic diseases including coronary or peripheral artery disease. Significant renal artery stenosis may result in HTN, ischemic nephropathy, however it is still in debate about the benefit of revascularization. Although several randomized controlled trials including Angioplasty and Stenting for Renal Artery Lesions (ASTRAL) and Cardiovascular Outcomes in Renal Atherosclerotic Lesions (CORAL) study has failed to reveal a significant benefit of angioplasty, angioplasty with medical therapy is increasingly accepted in some patients with certain clinical conditions...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27746281/do-renin-angiotensin-blockers-affect-renal-function-and-cardiac-outcomes-in-patients-undergoing-partial-nephrectomy
#17
Yaw A Nyame, Helen Liang, Hans C Arora, Bradley C Gill, Peter Caputo, Daniel Ramirez, Matthew J Maurice, Khaled Fareed, Robert J Stein, Georges-Pascal Haber, Andrew J Stephenson, Amr Fergany, Jihad Kaouk
PURPOSE: Currently to our knowledge no data exist to guide renal surgeons on the perioperative use of renin-angiotensin blockers despite potential cardiorenal benefits. We aimed to assess the impact of resuming renin-angiotensin blockers on postoperative renal function and adverse cardiac events following partial nephrectomy. MATERIALS AND METHODS: This is an observational analysis of patients who underwent robot-assisted laparoscopic partial nephrectomy from 2006 to 2014 at a single institution...
October 13, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27742796/kidney-function-and-appropriateness-of-device-therapies-in-adults-with-implantable-cardioverter-defibrillators
#18
Nisha Bansal, Adam Szpiro, Frederick Masoudi, Robert T Greenlee, David H Smith, David J Magid, Jerry H Gurwitz, Kristi Reynolds, Grace H Tabada, Sue Hee Sung, Ashveena Dighe, Andrea Cassidy-Bushrow, Romel Garcia-Montilla, Stephen Hammill, John Hayes, Alan Kadish, Param Sharma, Paul Varosy, Humberto Vidaillet, Alan S Go
OBJECTIVE: Patients with chronic kidney disease (CKD) have higher risk of sudden cardiac death; however, they may not receive implantable cardioverter defibrillators (ICDs), in part due to higher risk of complications. We evaluated whether CKD is associated with greater risk of device-delivered shocks/antitachycardia pacing (ATP) therapies among patients receiving a primary prevention ICD. METHODS: We studied participants in the observational Cardiovascular Research Network Longitudinal Study of Implantable Cardioverter Defibrillators...
October 14, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/27727091/-chronic-kidney-disease-and-kidney-transplantation
#19
R Thuret, M O Timsit, F Kleinclauss
OBJECTIVES: To report epidemiology and characteristics of end-stage renal disease (ESRD) patients and renal transplant candidates, and to evaluate access to waiting list and results of renal transplantation. MATERIAL AND METHODS: An exhaustive systematic review of the scientific literature was performed in the Medline database (http://www.ncbi.nlm.nih.gov) and Embase (http://www.embase.com) using different associations of the following keywords: "chronic kidney disease, epidemiology, kidney transplantation, cost, survival, graft, brain death, cardiac arrest, access, allocation"...
October 7, 2016: Progrès en Urologie
https://www.readbyqxmd.com/read/27723839/remote-ischemic-preconditioning-for-the-prevention-of-contrast-induced-acute-kidney-injury-in-diabetics-receiving-elective-percutaneous-coronary-intervention
#20
Gillian Balbir Singh, Soe Hee Ann, Jongha Park, Hyun Chul Chung, Jong Soo Lee, Eun-Sook Kim, Jung Il Choi, Jiho Lee, Shin-Jae Kim, Eun-Seok Shin
OBJECTIVE: Remote ischemic preconditioning (RIPC) induces transient episodes of ischemia by the occlusion of blood flow in non-target tissue, before a subsequent ischemia-reperfusion injury. When RIPC is applied before percutaneous coronary intervention (PCI), the kidneys may be protected against ischemia-reperfusion injury and subsequently contrast-induced acute kidney injury (CI-AKI). The aim of this study was to evaluate the efficacy of RIPC for the prevention of CI-AKI in patients with diabetes with pre-existing chronic kidney disease (CKD) undergoing elective PCI...
2016: PloS One
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