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https://www.readbyqxmd.com/read/29327518/a-study-of-cardiovascular-abnormalities-in-hiv-positive-patients-in-a-tertiary-care-hospital-in-northern-india
#1
Shyam Chaudhary, Apurva, Kamal Kumar Sawlani, D Himanshu Reddy, Sharad Chandra Yadav, Munna Lal Patel, Anil Kumar Tripathi, Arvind Kumar Vaish
Introduction: Cardiovascular illness is common in patients with HIV infection, particularly in the later course of disease. Cardiovascular abnormalities in people living with HIV disease (PLHIV) often go unrecognized or untreated resulting in increased cardiovascular related morbidity and mortality and reduced quality of life. The prevalence of cardiac involvement in PLHIV has been reported to range between 28 to 73%. However, the incidence of symptomatic heart failure in HIV positive patients is 8-10%...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29327516/cardiac-biomarkers-and-myocardial-dysfunction-in-septicemia
#2
Deep Chandh Raja, Sanjay Mehrotra, Avinash Agrawal, Abhishek Singh, Kamlesh Kumar Sawlani
Objectives: Cardiac biomarkers have been studied in sepsis in the past and various mechanisms for their rise have been elucidated. However their association with severity of sepsis, mortality and myocardial dysfunction warrants further studies. We have studied three different cardiac biomarkers- troponin T (trop T), creatine phosphokinase MB isoform (CPK MB) and NT pro brain natriuretic peptide (NT Pro BNP) in patients with septicemia. We have attempted to observe the levels of these biomarkers in sepsis, their individual abilities to predict the severity of sepsis, mortality and association with myocardial dysfunction noted in echocardiography...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29327361/myocardial-injury-in-fetal-aortic-stenosis-insights-from-amniotic-fluid-analysis
#3
Kevin G Friedman, Lynn A Sleeper, Raina N Fichorova, Taylor Weilnau, Wayne Tworetzky, Louise E Wilkins-Haug
OBJECTIVE: Fetal aortic stenosis (AS) imposes pressure load on the developing left ventricle (LV) and leads to derangements in myocardial structure and function via mechanisms that are not well characterized. METHODS: We compared amniotic fluid NT-BNP and troponin levels in fetuses with AS prior to fetal valvuloplasty and controls. We estimated correlations between NT-BNP and fetal echo parameters and identify NT-BNP cutoff associated with biventricular outcome RESULTS: Median NT-BNP level was higher in fetal AS than controls (3858 vs 1737 pg/ml, p<0...
January 11, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29325796/lcz696-sacubitril-valsartan-an-angiotensin-receptor-neprilysin-inhibitor-attenuates-cardiac-hypertrophy-fibrosis-and-vasculopathy-in-a-rat-model-of-chronic-kidney-disease
#4
Yasunori Suematsu, Wanghui Jing, Ane Nunes, Moti L Kashyap, Mahyar Khazaeli, Nosratola D Vaziri, Hamid Moradi
BACKGROUND: Chronic kidney disease (CKD) is associated with cardiac hypertrophy, fibrosis and increased risk of cardiovascular mortality. LCZ696 (Sacubitril/valsartan) is a promising agent which has shown significant potential in treatment of heart failure. We hypothesized that LCZ696 is more effective than valsartan alone in treatment of cardiovascular abnormalities associated with experimental CKD. METHODS AND RESULTS: Male Sprague Dawley rats underwent 5/6 nephrectomy and were subsequently randomized to no treatment (CKD), 30 mg/kg valsartan (VAL), or 60 mg/kg LCZ696 (LCZ)...
January 8, 2018: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/29321936/low-voltage-electricity-induced-lung-injury
#5
Thai Truong, Thuong Vu Le, David L Smith, Stephen P Kantrow, Van Ngoc Tran
We report a case of bilateral pulmonary infiltrates and haemoptysis following low-voltage electricity exposure in an agricultural worker. A 58-year-old man standing in water reached for an electric watering machine and sustained an exposure to 220 V circuit for an uncertain duration. The electricity was turned off by another worker, and the patient was asymptomatic for the next 10 h until he developed haemoptysis. A chest radiograph demonstrated bilateral infiltrates, and chest computed tomography (CT) revealed ground-glass opacities with interstitial thickening...
February 2018: Respirology Case Reports
https://www.readbyqxmd.com/read/29321797/prediction-model-of-in-hospital-mortality-in-elderly-patients-with-acute-heart-failure-based-on-retrospective-study
#6
Qian Jia, Yu-Rong Wang, Ping He, Xue-Liang Huang, Wei Yan, Yang Mu, Kun-Lun He, Ya-Ping Tian
Objectives: The aim of this study was to develop a clinical risk model that is predictive of in-hospital mortality in elderly patients hospitalized with acute heart failure (AHF). Methods: 2486 patients who were 60 years and older from intensive care units of Cardiology Department in the hospital were analyzed. Independent risk factors for in-hospital mortality were obtained by binary logistic regression and then used to establish the risk prediction score system (RPSS)...
November 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/29321342/association-between-ssr-markers-and-fibre-traits-in-sea-island-cotton-gossypium-barbadense-germplasm-resources
#7
Qi Ma, Jing Zhao, Hai Lin, Xinzhu Ning, Ping Liu, Fujun Deng, Aijun Si, Jilian Li
Identification of molecular markers associated with fibre traits can accelerate cotton marker-assisted selection (MAS) programmes. In this study, Gossypium barbadense germplasm accessions with diverse origins (n = 123) were used to perform association analysis of fibre traits with 120 polymorphic simple sequence repeat (SSR) markers. In total, 120 polymorphic primer pairs amplified 258 loci with a mean of 2.15 loci per primer. Population structure analysis identified three main clusters for the accessions, which indicated agreement of genetic and predefined populations...
December 1, 2017: Journal of Genetics
https://www.readbyqxmd.com/read/29321061/enoxaparin-attenuates-doxorubicin-induced-cardiotoxicity-in-rats-via-interfering-with-oxidative-stress-inflammation-and-apoptosis
#8
Reem Ali Shaker, Samer Hassan Abboud, Hayder Chasib Assad, Najah Hadi
BACKGROUND: Doxorubicin (DOX) is commonly used in the treatment of many types of cancers but its cardiotoxicity is limiting its clinical use. Beyond its anticoagulant action, enoxaparin (ENX), a low molecular weight heparin, has been shown to exert multiple pharmacological actions including antioxidant, anti-inflammatory and antiapoptotic effects. Therefore, the current study aimed to assess if ENX could ameliorate cardiotoxicity induced by DOX. METHODS: Twenty-one adult male Wistar albino rats were randomly allocated into three groups (n = 7 each) of control, receiving 0...
January 10, 2018: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29317968/b-type-natriuretic-peptide-a-predictor-for-mortality-intensive-care-unit-length-of-stay-and-hospital-length-of-stay-in-patients-with-resolving-sepsis
#9
Harsimar Singh, Daryl Ramai, Harshil Patel, Marina Iskandir, Sarina Sachdev, Rabjot Rai, Jay Patolia, Getaw Worku Hassen
Background: B-type natriuretic peptide (BNP) is a hormone secreted by cardiomyocytes in response to myocardial ischemia, increased ventricular wall tension, and overload. BNP is utilized as a diagnostic and prognostic marker in congested heart failure (CHF). Its prognostic value in sepsis is unknown. The aim of this study is to determine if BNP correlates with increased in-hospital mortality for septic patients. Methods: This was a retrospective study of 505 patients admitted for sepsis or severe sepsis or septic shock during the period of January 2013 and August 2014...
December 2017: Cardiology Research
https://www.readbyqxmd.com/read/29314505/daily-home-bnp-monitoring-in-heart-failure-for-prediction-of-impending-clinical-deterioration-results-from-the-home-hf-study
#10
Kenneth McDonald, Richard Troughton, Ulf Dahlström, Henry Dargie, Henry Krum, Peter van der Meer, Theresa McDonagh, John J Atherton, Ken Kupfer, Richard C San George, Mark Richards, Robert Doughty
BACKGROUND: Serial measurement of natriuretic peptides may guide management in heart failure (HF) patients. In previous trials, natriuretic peptides were infrequently monitored, which may undervalue the benefit of this approach. METHODS AND RESULTS: HOME was an adaptive three-arm randomized clinical study to test whether home monitoring of BNP could reduce HF-related death, hospitalization due to acute decompensated HF (ADHF), and ADHF treated with intravenous diuretics in the emergency department or outpatient setting...
January 4, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29310221/determination-of-the-structure-and-composition-of-au-ag-bimetallic-spherical-nanoparticles-using-single-particle-icp-ms-measurements-performed-with-normal-and-high-temporal-resolution
#11
Albert Kéri, Ildikó Kálomista, Ditta Ungor, Ádám Bélteki, Edit Csapó, Imre Dékány, Thomas Prohaska, Gábor Galbács
In this study, the information that can be obtained by combining normal and high resolution single particle ICP-MS (spICP-MS) measurements for spherical bimetallic nanoparticles (BNPs) was assessed. One commercial certified core-shell Au-Ag nanoparticle and three newly synthesized and fully characterized homogenous alloy Au-Ag nanoparticle batches of different composition were used in the experiments as BNP samples. By scrutinizing the high resolution spICP-MS signal time profiles, it was revealed that the width of the signal peak linearly correlates with the diameter of nanoparticles...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29310212/an-electrochemical-immunosensor-for-brain-natriuretic-peptide-prepared-with-screen-printed-carbon-electrodes-nanostructured-with-gold-nanoparticles-grafted-through-aryl-diazonium-salt-chemistry
#12
V Serafín, R M Torrente-Rodríguez, A González-Cortés, P García de Frutos, M Sabaté, S Campuzano, P Yáñez-Sedeño, J M Pingarrón
A sensitive amperometric immunosensor has been prepared by immobilization of capture antibodies onto gold nanoparticles (AuNPs) grafted on a screen-printed carbon electrode (SPCE) through aryl diazonium salt chemistry using 4-aminothiophenol (AuNPs-S-Phe-SPCE). The immunosensor was designed for the accurate determination of clinically relevant levels of B-type natriuretic peptide (BNP) in human serum samples. The nanostructured electrochemical platform resulted in an ordered layer of AuNPs onto SPCEs which combined the advantages of high conductivity and improved stability of immobilized biomolecules...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29309658/genetic-background-influences-cardiac-phenotype-in-murine-chronic-kidney-disease
#13
Samantha Neuburg, Corey Dussold, Claire Gerber, Xueyan Wang, Connor Francis, Lixin Qi, Valentin David, Myles Wolf, Aline Martin
Background: Levels of fibroblast growth factor 23 (FGF23) increase early in chronic kidney disease (CKD) and are independently associated with left ventricular hypertrophy (LVH), heart failure and death. Experimental models of CKD with elevated FGF23 and LVH are needed. We hypothesized that slow rates of CKD progression in the Col4a3 knockout (Col4a3KO) mouse model of CKD would promote development of LVH by prolonging exposure to elevated FGF23. Methods: We studied congenic Col4a3KO and wild-type (WT) mice with either 75% 129X1/SvJ (129Sv) or 94% C57Bl6/J (B6) genomes...
December 22, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29307766/methamphetamine-use-and-heart-failure-prevalence-risk-factors-and-predictors
#14
John R Richards, Brian N Harms, Amanda Kelly, Samuel D Turnipseed
OBJECTIVES: To compare methamphetamine users who develop heart failure to those who do not and determine predictors. METHODS: Patients presenting over a two-year period testing positive for methamphetamine on their toxicology screen were included. Demographics, vital signs, echocardiography and labs were compared between patients with normal versus abnormal B-type natriuretic peptide (BNP). RESULTS: 4407 were positive for methamphetamine, 714 were screened for heart failure, and 450 (63%) had abnormal BNP...
January 3, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29306478/fibroblast-growth-factor-23-is-related-to-profiles-indicating-volume-overload-poor-therapy-optimization-and-prognosis-in-patients-with-new-onset-and-worsening-heart-failure
#15
Jozine M Ter Maaten, Adriaan A Voors, Kevin Damman, Peter van der Meer, Stefan D Anker, John G Cleland, Kenneth Dickstein, Gerasimos Filippatos, Pim van der Harst, Hans L Hillege, Chim C Lang, Marco Metra, Gerjan Navis, Leong Ng, Wouter Ouwerkerk, Piotr Ponikowski, Nilesh J Samani, Dirk J van Veldhuisen, Faiez Zannad, Aeilko H Zwinderman, Martin H de Borst
BACKGROUND: Fibroblast growth factor (FGF) 23 is a hormone that increases urinary phosphate excretion and regulates renal sodium reabsorption and plasma volume. We studied the role of plasma FGF23 in therapy optimization and outcomes in patients with new-onset and worsening heart failure (HF). METHODS: We measured plasma C-terminal FGF23 levels at baseline in 2399 of the 2516 patients included in the BIOlogy Study to Tailored Treatment in Chronic HF (BIOSTAT-CHF) trial...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29306449/chronic-exercise-induces-pathological-left-ventricular-hypertrophy-in-adrenaline-deficient-mice
#16
Priscila Mendes, Raquel Martinho, Sara Leite, Leonardo Maia-Moço, Adelino F Leite-Moreira, André P Lourenço, Mónica Moreira-Rodrigues
Adrenaline-deficient phenylethanolamine-N-methyltransferase-knockout mice (Pnmt-KO) have concentric heart remodeling and though their resting blood pressure is normal, it becomes higher during acute exercise. The aim of this study was to evaluate cardiac morphological, functional and molecular alterations after chronic exercise in adrenaline-deficient mice. Genotypes at the Pnmt locus were verified by polymerase chain reaction (PCR) of ear samples of Pnmt-KO and wild-type (WT) mice. These mice were submitted to chronic exercise training during 6weeks...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29306249/biomarker-and-shear-stress-in-secondary-pediatric-pulmonary-hypertension
#17
Ayhan Pektaş, Rana Olguntürk, Serdar Kula, Erman Çilsal, Ayşe Deniz Oğuz, Fatma Sedef Tunaoğlu
Background/aim: Endothelial dysfunction, tissue damage, inflammation, and microthrombosis are involved in the pathogenesis of pulmonary hypertension (PH), which may be present as a complication of congenital heart diseases. This study aims to identify how indicators of endothelial dysfunction (shear stress), tissue damage (brain natriuretic peptide and troponin T), inflammation (C-reactive protein (CRP)), and microthrombosis (D-dimer and von Willebrand factor) are altered in children with congenital left-to-right shunting...
December 19, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29299604/association-of-acylcarnitines-with-left-ventricular-remodeling-in-patients-with-severe-aortic-stenosis-undergoing-transcatheter-aortic-valve-replacement
#18
Sammy Elmariah, Laurie A Farrell, Deborah Furman, Brian R Lindman, Xu Shi, Jordan E Morningstar, Eugene P Rhee, Robert E Gerszten
Importance: Clinical practice guidelines currently endorse a reliance on clinical symptoms of overt left ventricular (LV) failure to time aortic valve replacement for severe aortic stenosis; however, delayed aortic valve replacement can result in irreversible LV injury and adverse outcomes. Blood metabolomic signatures possess prognostic value in heart failure; this study assesses whether they are informative in aortic stenosis. Objective: To evaluate the value of metabolomic signatures in reflecting the extent of maladaptive LV remodeling in patients with end-stage aortic stenosis undergoing transcatheter aortic valve replacement, and to assess whether this procedure reverses metabolomic aberrations...
January 3, 2018: JAMA Cardiology
https://www.readbyqxmd.com/read/29297194/red-cell-distribution-width-and-its-relationship-with-global-longitudinal-strain-in-patients-with-heart-failure-with-reduced-ejection-fraction-a-study-using-two-dimensional-speckle-tracking-echocardiography
#19
Elif Eroglu, Alev Kilicgedik, Gokhan Kahveci, Ruken Bengi Bakal, Cevat Kirma
BACKGROUND: Red cell distribution width (RDW) is a measurement of size variability of the red blood cells and has been shown to be a powerful predictor of prognosis in heart failure (HF). Recently, global longitudinal strain (GLS) emerged as a more accurate marker of left ventricular (LV) systolic function. AIM: We aimed to assess the relationship between RDW and standard echocardiographic parameters and left ventricular global strain measured by two-dimensional (2D) speckle tracking echocardiography in patients with HF with reduced EF (HFrEF)...
January 3, 2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29290081/b-type-natriuretic-peptide-and-other-risk-factors-for-predicting-postoperative-atrial-fibrillation-after-thoracic-surgery
#20
Zhenye Pu, Xiaotong Qi, Tao Xue, Zhiyong Liu, Yanhu Wu
BACKGROUND:  Postoperative atrial fibrillation (POAF) is associated with increased morality rate, prolonged hospitalization, and reduced long-term survival after surgery. Thus, prediction of POAF is important to assess surgical risk and provide prophylaxis. METHODS:  It was a prospective study of 207 consecutive patients who underwent a routine preoperative laboratory testing before thoracic surgery from October 2016 to May 2017. Comprehensive data were collected...
December 31, 2017: Thoracic and Cardiovascular Surgeon
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