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European Journal of Clinical Investigation

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https://www.readbyqxmd.com/read/28102901/risk-of-arrhythmic-death-in-ischemic-heart-disease-a-prospective-controlled-observer-blind-investigation-over-10-years
#1
Thomas Pezawas, André Diedrich, David Robertson, Robert Winker, Bernhard Richter, Li Wang, Herwig Schmidinger
BACKGROUND: Risk of arrhythmic death is considered highest in ischemic heart disease with severe left ventricular ejection fraction (LVEF) reduction. Non-invasive testing should improve decision-making of prophylactic defibrillator (ICD) implantation. METHODS AND RESULTS: We enrolled 120 patients with ischemic heart disease and LVEF <50% and 30 control subjects without ischemic heart disease and normal LVEF. An initial assessment, a second assessment after 3 years, and a final follow-up comprised of: pharmacological baroreflex testing (BRS), short-term spectral (low frequency (LF) to high frequency (HF) ratio) and long-term time domain analysis of heart rate variability (SDNN), exercise Microvolt T-wave alternans (MTWA) and others...
January 19, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28102898/a-composite-autonomic-index-as-unitary-metric-for-heart-rate-variability-a-proof-of-concept
#2
Roberto Sala, Mara Malacarne, Nadia Solaro, Massimo Pagani, Daniela Lucini
BACKGROUND: This study addresses whether a unitary cardiac autonomic nervous system index (ANSI), obtained combining multiple metrics from Heart Rate Variability (HRV) into a radar plot could provide an easy appreciation of autonomic performance in a clinical setting. MATERIALS AND METHODS: Data are standardized using percentile ranking of autonomic proxies from a relatively large reference population (n= 1593, age 39±13 years). Autonomic indices are obtained from autoregressive spectral analysis of (ECG derived) HRV at rest and during standing up...
January 19, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28075490/soluble-transferrin-receptor-and-risk-of-type-2-diabetes-in-the-obese-and-non-obese
#3
Jose C Fernández-Cao, Victoria Arija, Núria Aranda, Josep Basora, Javier Diez-Espino, Ramón Estruch, Montse Fitó, Dolores Corella D Pharm, Jordi Salas-Salvadó
BACKGROUND: Studies evaluating the relationship between soluble transferrin receptor (sTfR), a biomarker inversely related to body iron stores, and risk of type 2 diabetes mellitus (T2DM) are scarce and inconclusive. Furthermore, sTfR concentrations have been observed to be significantly higher in obese than in non-obese individuals. Therefore, the aim of the present study was to assess the relationship between sTfR and the risk of T2DM in obese and non-obese subjects. DESIGN: A nested case-control study of 153 cases of newly diagnosed diabetic subjects, 73 obese and 80 non-obese, and 306 individually matched-controls, 138 obese and 166 non-obese, who did not develop T2DM for a median 6-year follow-up (interquartile range: 3...
January 11, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28074555/pediatric-stress-from-neuroendocrinology-to-contemporary-disorders
#4
REVIEW
Stavroula Stavrou, Nicolas C Nicolaides, Elena Critselis, Christina Darviri, Evangelia Charmandari, George P Chrousos
BACKGROUND: Stress is defined as a state of threatened or perceived as threatened homeostasis. A broad spectrum of extrinsic or intrinsic, real or perceived stressful stimuli, called "stressors", activates a highly conserved system, the "stress system", which adjusts homeostasis through central and peripheral neuroendocrine responses. Inadequate, excessive or prolonged adaptive responses to stress may underlie the pathogenesis of several disease states prevalent in modern societies. The development and severity of these conditions primarily depend on the genetic vulnerability of the individual, the exposure to adverse environmental factors and the timing of the stressful event(s), given that prenatal life, infancy, childhood and adolescence are critical periods characterized by increased vulnerability to stressors...
January 11, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28042671/monte-carlo-decision-curve-analysis-using-aggregate-data
#5
Iztok Hozo, Athanasios Tsalatsanis, Benjamin Djulbegovic
BACKGROUND: Decision curve analysis (DCA) is an increasingly used method for evaluating diagnostic tests and predictive models but its application requires individual patient data. The Monte Carlo (MC) method can be used to simulate probabilities and outcomes of individual patients and offers an attractive option for application of DCA. METHODS: We constructed a MC decision model to simulate individual probabilities of outcomes of interest. These probabilities were contrasted against the threshold probability at which a decision-maker is indifferent between key management strategies: treat all, treat none, or use predictive model to guide treatment...
January 2, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28036122/soluble-st2-predicts-1-year-outcome-in-patients-undergoing-transcatheter-aortic-valve-implantation-tavi
#6
Bernhard Wernly, Michael Lichtenauer, Peter Jirak, Sarah Eder, Christian Reiter, Jürgen Kammler, Alexander Kypta, Christian Jung, Uta C Hoppe, Ulf Landmesser, Hans-Reiner Figulla, Alexander Lauten
INTRODUCTION: Soluble ST2 (sST2) has been introduced as a novel biomarker in patients suffering from heart failure for risk stratification. In this study we sought to investigate whether sST2 is useful for risk stratification and prediction of mortality in patients undergoing transcatheter aortic valve implantation (TAVI). MATERIALS AND METHODS: 274 patients undergoing TAVI were included in this study (149 female; age 80.50±0.51 years; EUROSCORE 25±1; STS Score 3...
December 30, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28036121/study-of-the-anti-jcv-antibody-levels-in-a-spanish-multiple-sclerosis-cohort
#7
María I Dominguez-Mozo, Macarena Rus, Jose L Santiago, Guillermo Izquierdo, Ignacio Casanova, Victoria Galan, M Angel Garcia-Martinez, Ana M Arias-Leal, Marta García-Montojo, Silvia Pérez-Pérez, Rafael Arroyo, Roberto Alvarez-Lafuente
One of the risk factor to develop progressive multifocal leukoencephalopathy (PML) among natalizumab-treated patients is the presence and high levels of anti-JCV antibodies. Our purpose was to test the association of different clinical and demographic variables with the presence and levels of anti-JCV antibodies in a Spanish cohort of multiple sclerosis (MS) patients during natalizumab treatment MATERIALS AND METHODS: All MS patients from two hospitals with at least one measure of the anti-JCV antibodies levels (2011-2014) were recruited, among them two PML cases...
December 30, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28036119/impact-of-physical-activity-on-cardiovascular-status-in-obesity
#8
Lars Lin, Axel C Carlsson, Agneta Siegbahn, Johan Sundström, Johan Ärnlöv
BACKGROUND: We have recently shown that being physically active (PA) counteracts, but not eliminates the increased risk of future cardiovascular disease in over-weight and obese subjects. To investigate this further, we studied the impact of being normal weight, overweight and obese on multiple markers of subclinical cardiovascular disease in relation to physical activity. MATERIALS AND METHODS: At age 70, 1016 subjects were investigated in the Prospective Investigation of the Vasculature in Uppsala Seniors (PIVUS) study...
December 30, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28036114/does-statins-promote-vascular-calcification-in-chronic-kidney-disease
#9
Zhimin Chen, Abdul Rashid Qureshi, Paolo Parini, Eva Hurt-Camejo, Jonaz Ripsweden, Torkel B Brismar, Peter Barany, Armand Jaminon, Leon J Schurgers, Olof Heimburger, Bengt Lindholm, Peter Stenvinkel
BACKGROUND: In end-stage renal disease (ESRD), coronary artery calcification (CAC) and inflammation contribute to cardiovascular disease (CVD). Statins do not improve survival in ESRD patients and their effect on vascular calcification is unclear. We explored associations between CAC, inflammatory biomarkers, statins and mortality in ESRD. MATERIAL AND METHODS: In 240 ESRD patients (63% males; median age 56 years) from cohorts including 86 recipients of living donor kidney transplant (LD-Rtx), 96 incident dialysis patients and 58 prevalent peritoneal dialysis patients, associations of CAC score (Agatston Units, AUs), interleukin-6 (IL-6) with high-sensitivity C-reactive protein (hsCRP), tumour necrosis factor (TNF), use of statins and all-cause mortality were analysed...
December 30, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28036108/cardiac-dysfunction-in-cancer-survivors-unmasked-during-exercise
#10
Maria Kearney, Eve Gallop-Evans, John Cockcroft, Eric J Stöhr, Eveline Lee, Karianne Backx, Mark Haykowsky, Zaheer Yousef, Rob Shave
INTRODUCTION: The cardiac dysfunction associated with anthracycline-based chemotherapy cancer treatment can exist sub-clinically for decades before overt presentation. Stress echocardiography, the measurement of left ventricular (LV) deformation and arterial haemodynamic evaluation have separately been used to identify sub-clinical cardiovascular (CV) dysfunction in several patient groups including those with hypertension and diabetes. The purpose of the present cross-sectional study was to determine whether the combination of these techniques could be used to improve the characterisation of sub-clinical CV dysfunction in long-term cancer survivors previously treated with anthracyclines...
December 30, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28024099/serum-vaspin-levels-and-carotid-intima-media-thickness-in-pre-dialysis-patients
#11
Aytac Akyol, Davut Demirkıran, Serkan Akdag, Mehmet Naci Aldemir, Hakkı Simsek, Hasan Ali Gumrukcuoglu, Musa Sahin, Habib Emre
BACKGROUND AND OBJECTIVE: Vaspin is a molecule belonging to adipokine family which is associated with insulin resistance and obesity in humans. Several studies have evaluated the serum levels of vaspin in various conditions including coronary artery disease and chronic hemodialysis patients. To our best knowledge, serum vaspin levels have not yet been studied in pre dialysis patients. Carotid intima-media thickness (CIMT) is a noninvasive procedure used to diagnose the extent of carotid atherosclerotic vascular disease...
December 26, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28024097/immunoglobulin-a-magic-bullet-or-trojan-horse
#12
REVIEW
Marieke H Heineke, Marjolein van Egmond
BACKGROUND: Neutrophils participate in the first line of defense by executing several killing mechanisms, including phagocytosis, degranulation and the release of neutrophil extracellular traps. Additionally, they can orchestrate the adaptive immune system by secreting cytokines and chemokines. Opsonization with antibodies aids in the recognition of pathogens, via binding to Fc receptors on the neutrophil surface. Immunoglobulin A (IgA) is the most abundant antibody at mucosal sites and has multiple functions in homeostasis and immunity...
December 26, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27931089/prognostic-implications-of-epicardial-fat-volume-quantification-in-acute-pericarditis
#13
George Lazaros, Alexios S Antonopoulos, Evangelos K Oikonomou, Panagiotis Vasileiou, Evangelos Oikonomou, Evangelia Stroumpouli, Apostolos Karavidas, Charalambos Antoniades, Dimitris Tousoulis
BACKGROUND: The pathophysiology of acute pericarditis remains largely unknown, and biomarkers are needed to identify patients susceptible to complications. As adipose tissue has a pivotal role in cardiovascular disease pathogenesis, we hypothesized that quantification of epicardial fat volume (EFV) provides prognostic information in patients with acute pericarditis. MATERIALS AND METHODS: Fifty (n = 50) patients with first diagnosis of acute pericarditis were enrolled in this study...
December 8, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27931080/the-pathophysiological-role-of-cholecystokinin-1-receptor-in-mouse-cholelithogenesis
#14
Federico Carbone, Paulo J Oliveira, Aldo Bonaventura, Fabrizio Montecucco
No abstract text is available yet for this article.
December 8, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27931078/advanced-refractory-heart-failure-conservative-or-interventional-approach
#15
Fabio Rigamonti, Fabrizio Montecucco, Luca Liberale
No abstract text is available yet for this article.
December 8, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27930821/assessment-of-asymmetrical-dimethylarginine-metabolism-in-patients-with-critical-illness
#16
Rawia A Ghashut, Scott Blackwell, Sylvia Ryan, Laura Willox, Donald C McMillan, John Kinsella, Dinesh Talwar
BACKGROUND: Critically ill patients experience metabolic disorders including hypercatabolic state and hyperglycaemia and these are associated with poor outcome. Hyperglycaemia and asymmetric dimethylarginine (ADMA) are reported to have significant influences on endothelial dysfunction. The aim of the present study was to examine the relationship between plasma asymmetric dimethylarginine (ADMA) and related arginine metabolism in patients with critical illness. MATERIALS AND METHODS: Two venous blood samples (EDTA) (104 patients), on admission and follow up sample in the last day in ICU (died or discharge sample median 7, IQR 6-8, range 5-15)...
December 8, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27930815/ctrp-3-is-permeable-to-the-blood-brain-barrier-and-is-not-regulated-by-glucose-or-lipids-in-vivo
#17
Andreas Schmid, Martin Berghoff, Alexandra Hochberg, Andreas Schäffler, Thomas Karrasch
C1q/TNF-related protein-3 (CTRP-3) represents a novel anti-inflammatory and anti-diabetic adipokine secreted by adipose tissue. The physiological and postprandial regulation of CTRP-3 remains obscure and it is not known whether CTRP-3 is permeable to the brain AIM: The postprandial regulation of CTRP-3 during an oral glucose tolerance test (n=100) and an oral lipid tolerance test (n=100) in humans was investigated. Moreover, CTRP-3 concentrations were measured in paired serum and cerebrospinal fluid (CSF) samples of patients (n=270) undergoing neurological evaluation...
December 8, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27930810/alamandine-abrogates-neutrophil-degranulation-in-atherosclerotic-mice
#18
Analina R Da Silva, Sébastien Lenglet, Federico Carbone, Fabienne Burger, Aline Roth, Luca Liberale, Aldo Bonaventura, Franco Dallegri, Nikolaos Stergiopulos, Robson A S Santos, François Mach, Rodrigo A Fraga-Silva, Fabrizio Montecucco
Neutrophil-mediated inflammation was recently identified as an active contributor to athero-progression. Therapeutic strategies inhibiting neutrophil degranulation or recruitment were hypothesized to positively impact on plaque vulnerability. In this study, we investigated whether treatment with the recently discovered agonist of the Mas-related G-coupled receptor type D (MrgD) alamandine would impact on neutrophil degranulation in vivo and in vitro MATERIALS AND METHODS: Fifteen-week old ApoE-/- mice were fed with a Western-type diet for an additional 11 weeks...
December 8, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27885638/when-will-biomedical-research-enter-the-21-st-century-a-young-perspective
#19
Juan M Pericàs, David Nicolás
During recent years, disaffection with the state of things has triggered a series of social and political protests in Western countries. As young researchers, we are contemporaries to events that have returned concepts such as "equity", "accountability" or "participation" to central stage. Rudolph Virchow, who became the father of pathology by age 25, stated: "medicine is a social science and politics is nothing else but medicine on a large scale" (1). Although medicine has pioneered social and scientific change since the 20th century turned to its end, biomedical research has also shown backwardness in a number of issues...
November 25, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27873304/stent-induced-tracheal-stenosis-can-be-predicted-by-il-8-expression-in-rabbits
#20
Elena Arellano-Orden, Carolina Serrano, Ana Montes-Worboys, Verónica Sánchez-López, Alicia Laborda, Fernando Lostalé, Celia Lahuerta, Francisco Rodríguez-Panadero, Miguel Ángel de Gregorio
BACKGROUND: Bare metal stents may cause complications like fibrous encapsulation, granulation and tracheal stenosis. We investigated the behaviour of three commercially available stents in vivo (rabbits) and in vitro (coculture of those stents with epithelial and fibroblast cell lines). Also, we investigated whether development of tracheal stenosis could be predicted by any biological marker. MATERIALS AND METHODS: The tracheae of 30 rabbits were implanted with either nitinol stents, with or without paclitaxel elution, or a cobalt-based stent...
January 2017: European Journal of Clinical Investigation
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