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Cardiac markers

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https://www.readbyqxmd.com/read/28107168/the-natriuretic-peptide-mr-proanp-predicts-all-cause-mortality-and-adverse-outcome-in-community-patients-a-10-year-follow-up-study
#1
Jonas Odermatt, Lara Hersberger, Rebekka Bolliger, Lena Graedel, Mirjam Christ-Crain, Matthias Briel, Heiner C Bucher, Beat Mueller, Philipp Schuetz
BACKGROUND: The precursor peptide of atrial natriuretic peptide (MR-proANP) has a physiological role in fluid homeostasis and is associated with mortality and adverse clinical outcomes in heart failure patients. Little is known about the prognostic potential of this peptide for long-term mortality prediction in community-dwelling patients. We evaluated associations of MR-proANP levels with 10-year all-cause mortality in patients visiting their general practitioner for a respiratory tract infection...
January 20, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28106485/management-strategies-for-atrial-fibrillation
#2
Peysh A Patel, Noman Ali, Andrew Hogarth, Muzahir H Tayebjee
Atrial fibrillation is the most prevalent cardiac arrhythmia, affecting 10% of those aged over 80 years. Despite multiple treatment options, it remains an independent prognostic marker of mortality due to its association with clinical sequelae, particularly cerebrovascular events. Management can be broadly divided into treatment of the arrhythmia, via rhythm or rate control, and stroke thromboprophylaxis via anticoagulation. Traditional options for pharmacotherapy include negatively chronotropic drugs such as β-blockers, and/or arrhythmia-modifying drugs such as amiodarone...
January 2017: Journal of the Royal Society of Medicine
https://www.readbyqxmd.com/read/28104457/genetic-deletion-of-soluble-epoxide-hydrolase-provides-cardioprotective-responses-following-myocardial-infarction-in-aged-mice
#3
REVIEW
K Lockhart Jamieson, Victor Samokhvalov, Maria Akhnokh, Kyra Lee, Woo Jung Cho, Abhijit Takawale, Xiuhua Wang, Zamaneh Kassiri, John M Seubert
BACKGROUND: Pathophysiological responses, including cardiovascular complications, often alter with age. Cardioprotective effects of epoxyeicosatrienoic acids (EETs) toward acute myocardial ischemia-reperfusion injury have been well documented. However, biological relevance of EET-evoked cardioprotection in the ageing myocardium remains unknown. EETs are metabolized to less active metabolites by the enzyme soluble epoxide hydrolase (sEH). This study uses permanent occlusion of the left anterior descending artery (LAD) in young and aged sEH null and WT mice to compare cardiac and mitochondrial function following ischemic injury...
January 16, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28103807/relationship-key-factor-of-inflammation-and-the-development-of-complications-in-the-late-period-of-myocardial-infarction-in-patients-with-visceral-obesity
#4
Olga Gruzdeva, Evgenya Uchasova, Yulia Dyleva, Olga Akbasheva, Vera Matveeva, Victoria Karetnikova, Alexander Kokov, Olga Barbarash
BACKGROUND: Cytokines play an significant role in regulating non-specific inflammatory response involved in many pathological processes. The current study tested the hypothesis that myocardial infarction in patients with obesity can lead to increased production of proinflammatory cytokines and unfavorable course of the pathological process. METHODS: The study recruited 232 male patients with ST-elevated myocardial infarction. The mean age of the patients was 58...
January 19, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28102878/pulmonary-hypertension-associated-with-left-sided-heart-disease
#5
Micha Tobias Maeder, Otto D Schoch, Rebekka Kleiner, Lucas Joerg, Daniel Weilenmann, Swiss Society For Pulmonary Hypertension
Pulmonary hypertension associated with left-sided heart disease (PH-LHD) is the most common type of pulmonary hypertension. In patients with left-sided heart disease, the presence of pulmonary hypertension is typically a marker of more advanced disease, more severe symptoms, and worse prognosis. In contrast to pulmonary arterial hypertension, PH-LHD is characterised by an elevated pulmonary artery wedge pressure (postcapillary pulmonary hypertension) without or with an additional precapillary component (isolated postcapillary versus combined postcapillary and precapillary pulmonary hypertension)...
January 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28101033/maximizing-the-benefit-cost-ratio-of-anthracyclines-in-metastatic-breast-cancer-case-report-of-a-patient-with-a-complete-response-to-high-dose-doxorubicin
#6
Kevin Shee, Alan T Kono, Susan P D'Anna, Mark A Seltzer, Xiaoying Lu, Todd W Miller, Mary D Chamberlin
Despite the clinical efficacy of anthracycline agents such as doxorubicin, dose-limiting cardiac toxicities significantly limit their long-term use. Here, we present the case of a 33-year-old female patient with extensive metastatic ER+/PR+/HER2- mucinous adenocarcinoma of the breast, who was started on doxorubicin/cyclophosphamide therapy after progressing on paclitaxel and ovarian suppressor goserelin with aromatase inhibitor exemestane. The patient was comanaged by cardiology, who carefully monitored measures of cardiac function, including EKGs, serial echocardiograms, and profiling of lipids, troponin, and pro-BNP every 2 months...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28099512/age-dependent-oxidative-dna-damage-does-not-correlate-with-reduced-proliferation-of-cardiomyocytes-in-humans
#7
Yanhui Huang, Haifa Hong, Minghui Li, Jinfen Liu, Chuan Jiang, Haibo Zhang, Lincai Ye, Jinghao Zheng
BACKGROUND: Postnatal human cardiomyocyte proliferation declines rapidly with age, which has been suggested to be correlated with increases in oxidative DNA damage in mice and plays an important role in regulating cardiomyocyte proliferation. However, the relationship between oxidative DNA damage and age in humans is unclear. METHODS: Sixty right ventricular outflow myocardial tissue specimens were obtained from ventricular septal defect infant patients during routine congenital cardiac surgery...
2017: PloS One
https://www.readbyqxmd.com/read/28099439/single-versus-serial-measurements-of-neuron-specific-enolase-and-prediction-of-poor-neurological-outcome-in-persistently-unconscious-patients-after-out-of-hospital-cardiac-arrest-a-ttm-trial-substudy
#8
Sebastian Wiberg, Christian Hassager, Pascal Stammet, Matilde Winther-Jensen, Jakob Hartvig Thomsen, David Erlinge, Michael Wanscher, Niklas Nielsen, Tommaso Pellis, Anders Åneman, Hans Friberg, Jan Hovdenes, Janneke Horn, Jørn Wetterslev, John Bro-Jeppesen, Matthew P Wise, Michael Kuiper, Tobias Cronberg, Yvan Gasche, Yvan Devaux, Jesper Kjaergaard
BACKGROUND: Prediction of neurological outcome is a crucial part of post cardiac arrest care and prediction in patients remaining unconscious and/or sedated after rewarming from targeted temperature management (TTM) remains difficult. Current guidelines suggest the use of serial measurements of the biomarker neuron-specific enolase (NSE) in combination with other predictors of outcome in patients admitted after out-of-hospital cardiac arrest (OHCA). This study sought to investigate the ability of NSE to predict poor outcome in patients remaining unconscious at day three after OHCA...
2017: PloS One
https://www.readbyqxmd.com/read/28099244/presepsin-scd14-st-is-a-novel-marker-for-risk-stratification-in-cardiac-surgery-patients
#9
Hagen Bomberg, Matthias Klingele, Stefan Wagenpfeil, Eberhard Spanuth, Thomas Volk, Daniel I Sessler, Hans-Joachim Schäfers, Heinrich Volker Groesdonk
BACKGROUND: Presepsin (soluble cluster-of-differentiation 14 subtype [sCD14-ST]) is a humoral risk stratification marker for systemic inflammatory response syndrome and sepsis. It remains unknown whether presepsin can be used to stratify risk in elective cardiac surgery. The authors therefore determined the usefulness of presepsin for risk stratification in patients having elective cardiac surgery. METHODS: Eight hundred fifty-six cardiac surgical patients were prospectively studied...
January 18, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28097647/microbiota-composition-and-pulmonary-surfactant-protein-expression-as-markers-of-death-by-drowning
#10
So-Yeon Lee, Seung-Kyun Woo, So-Min Lee, Eun-Ju Ha, Kyoung-Hee Lim, Kyung-Hwa Choi, Young-Hee Roh, Yong-Bin Eom
Pathological diagnosis of drowning remains a challenge for forensic science, because of a lack of pathognomonic findings. We analyzed microbiota and surfactant protein in the lungs for a novel diagnosis of drowning. All rats were divided into drowning, postmortem submersion, and control groups. The water, lungs, closed organs (kidney and liver), and cardiac blood in rats were assayed by targeting 16S ribosomal RNA of Miseq sequencing. Lung samples were analyzed by immunohistochemical staining for surfactant protein A...
January 18, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28097518/beneficial-effects-of-ozone-therapy-on-oxidative-stress-cardiac-functions-and-clinical-findings-in-patients-with-heart-failure-reduced-ejection-fraction
#11
Mutlu Buyuklu, Fatih Mehmet Kandemir, Turan Set, Eftal Murat Bakırcı, Husnu Degirmenci, Hikmet Hamur, Ergun Topal, Sefa Kucukler, Kultigin Turkmen
The aim of study was to determine the effects of ozone therapy on the oxidative stress, cardiac functions and clinical findings in patients with heart failure reduced ejection fraction (HFrEF). A total of 40 patients with New York Heart Association 2 and 3 HF with left ventricular ejection fraction (LVEF) <35%, and 40 subjects without HF as control group were included in the study. Patients with HFrEF were given additional ozone therapy of major and minor administrations along with conventional HF treatment for 5 weeks...
January 17, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28096043/a-simplified-protocol-for-culture-of-murine-neonatal-cardiomyocytes-on-nanoscale-keratin-coated-surfaces
#12
Aditi Jain, Venkatraman Ravi, Jaseer Muhamed, Kaushik Chatterjee, Nagalingam R Sundaresan
OBJECTIVE: We aim to develop a simple, efficient and cost-effective protocol for culturing the neonatal cardiomyocytes using keratin derived from human hair, which can be used for studying cardiac hypertrophy in vitro. METHODS: Keratin was extracted from human hair and applied as nanoscale coating onto the culture dishes. Physical parameters such as surface morphology and roughness of the coating were studied by SEM and AFM. Cardiomyocyte specific markers were assessed by immunofluorescence...
January 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28093924/effects-of-an-adapted-cardiac-rehabilitation-programme-on-arterial-stiffness-in-patients-with-type-2-diabetes-without-cardiac-disease-diagnosis
#13
Anka P Brozic, Susan Marzolini, Jack M Goodman
PURPOSE: To determine the effects of a 12-week cardiac rehabilitation programme of aerobic and resistance exercise training on arterial stiffness, peak calf vasodilatory reserve, and haemostatic markers in patients with type 2 diabetes. METHODS: Observational cohort study examining effects of 12 weeks of exercise training in 23 subjects (13 men, 10 women; mean age of 56.1 ± 10.1 years) with type 2 diabetes mellitus. Subjects performed exercise training for 12 weeks [aerobic training 5 days/week, 70%-75% peak cardiovascular fitness (VO2peak) and resistance training 2-3 days/week, 60% of one repetition maximum]...
January 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28092203/machine-learning-of-three-dimensional-right-ventricular-motion-enables-outcome-prediction-in-pulmonary-hypertension-a-cardiac-mr-imaging-study
#14
Timothy J W Dawes, Antonio de Marvao, Wenzhe Shi, Tristan Fletcher, Geoffrey M J Watson, John Wharton, Christopher J Rhodes, Luke S G E Howard, J Simon R Gibbs, Daniel Rueckert, Stuart A Cook, Martin R Wilkins, Declan P O'Regan
Purpose To determine if patient survival and mechanisms of right ventricular failure in pulmonary hypertension could be predicted by using supervised machine learning of three-dimensional patterns of systolic cardiac motion. Materials and Methods The study was approved by a research ethics committee, and participants gave written informed consent. Two hundred fifty-six patients (143 women; mean age ± standard deviation, 63 years ± 17) with newly diagnosed pulmonary hypertension underwent cardiac magnetic resonance (MR) imaging, right-sided heart catheterization, and 6-minute walk testing with a median follow-up of 4...
January 16, 2017: Radiology
https://www.readbyqxmd.com/read/28089194/left-ventricular-global-longitudinal-strain-predicts-major-adverse-cardiac-events-and-all-cause-mortality-in-heart-transplant-patients
#15
Tor Skibsted Clemmensen, Hans Eiskjær, Brian Bridal Løgstrup, Lars Bo Ilkjær, Steen Hvitfeldt Poulsen
BACKGROUND: Left ventricular global longitudinal strain (LVGLS) is a robust longitudinal myocardial deformation marker that is strongly affected by cardiac allograft vasculopathy (CAV), microvascular dysfunction, and acute cellular rejection (ACR). We evaluated graft deformation for risk stratification in long-term heart transplant (HTx) patients. METHODS: The study included 196 patients who underwent HTx between 2011 and 2013. Patients underwent comprehensive echocardiography and coronary angiography...
December 15, 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28088349/stroke-biomarkers-in-clinical-practice-a-critical-appraisal
#16
REVIEW
Geelyn J L Ng, Amy M L Quek, Christine Cheung, Thiruma V Arumugam, Raymond C S Seet
Biomarkers provide critical mechanistic insights to key biologic processes that occur during cerebral ischemia which, when carefully applied, can improve clinical decision-making in acute stroke management. The translation of a blood-based biomarker in ischemic stroke to clinical practice is challenging, in part, due to the complexity of ischemic stroke pathogenesis and the presence of a blood-brain barrier that restricts the release of brain-specific markers into the circulation. The pathologic and clinical aspects of ischemic stroke are described in this review, where a non-exhaustive list of biomarkers that interrogate different aspects of ischemic stroke such as oxidative damage, inflammation, thrombus formation, cardiac function and brain injury are described...
January 11, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28087623/a-p53-based-genetic-tracing-system-to-follow-postnatal-cardiomyocyte-expansion-in-heart-regeneration
#17
Qi Xiao, Guoxin Zhang, Huijuan Wang, Lai Chen, Shuangshuang Lu, Dejing Pan, Geng Liu, Zhongzhou Yang
For heart regeneration, the proliferative potential of cardiomyocytes in postnatal mice is under intense investigations. However, solely relying on immunostaining of proliferation markers, the long term proliferation dynamics and potential of the cardiomyocytes cannot be readily addressed. Previously, we found that a p53 promoter driving reporter predominantly marked the proliferating lineages in mice. Here, we established a p53 based genetic tracing system to investigate postnatal cardiomyocyte proliferation and heart regeneration...
January 13, 2017: Development
https://www.readbyqxmd.com/read/28087564/right-ventricular-ejection-fraction-is-incremental-to-left-ventricular-ejection-fraction-for-the-prediction-of-future-arrhythmic-events-in-patients-with-systolic-dysfunction
#18
Yoko Mikami, Umjeet Jolly, Bobak Heydari, Mingkai Peng, Fahad Almehmadi, Mohammed Zahrani, Mahmoud Bokhari, John Stirrat, Carmen P Lydell, Andrew G Howarth, Raymond Yee, James A White
BACKGROUND: Left ventricular ejection fraction remains the primary risk stratification tool used in the selection of patients for implantable cardioverter defibrillator therapy. However, this solitary marker fails to identify a substantial portion of patients experiencing sudden cardiac arrest. In this study, we examined the incremental value of considering right ventricular ejection fraction for the prediction of future arrhythmic events in patients with systolic dysfunction using the gold standard of cardiovascular magnetic resonance...
January 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28079892/hif-2%C3%AE-and-oct4-have-synergistic-effects-on-survival-and-myocardial-repair-of-very-small-embryonic-like-mesenchymal-stem-cells-in-infarcted-hearts
#19
Shaoheng Zhang, Lan Zhao, Jiahong Wang, Nannan Chen, Jian Yan, Xin Pan
Poor cell survival and limited functional benefits have restricted mesenchymal stem cell (MSC) efficacy for treating myocardial infarction (MI), suggesting that a better understanding of stem cell biology is needed. The transcription factor HIF-2α is an essential regulator of the transcriptional response to hypoxia, which can interact with embryonic stem cells (ESCs) transcription factor Oct4 and modulate its signaling. Here, we obtained very small embryonic-like mesenchymal stem cells (vselMSCs) from MI patients, which possessed the very small embryonic-like stem cells' (VSELs) morphology as well as ESCs' pluripotency...
January 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28079145/galectin-3-as-a-marker-of-interstitial-atrial-remodelling-involved-in-atrial-fibrillation
#20
Diana Hernández-Romero, Juan Antonio Vílchez, Álvaro Lahoz, Ana I Romero-Aniorte, Eva Jover, Arcadio García-Alberola, Rubén Jara-Rubio, Carlos M Martínez, Mariano Valdés, Francisco Marín
Remodelling in the atria could appear as a result of hypertension, diabetes or ischaemic heart disease. Galectin-3 (Gal-3) is a mediator of profibrotic pathways and a potential biomarker of cardiac remodelling. We prospectively recruited consecutive patients undergoing elective cardiac surgery. Preoperative Gal-3 levels were determined from serum samples, and the presence of fibrosis was assessed from atrial appendage tissue samples obtained during cardiac surgery. We included 100 patients with aortic valve or ischaemic heart diseases and 15 controls with permanent AF...
January 12, 2017: Scientific Reports
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