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https://www.readbyqxmd.com/read/28319005/prediction-of-treatment-response-in-patients-with-newly-diagnosed-type-2-diabetes-the-skaraborg-diabetes-register
#1
Miriam Pikkemaat, Olle Melander, Per Hjerpe, Kristina Bengtsson Boström
AIMS: Type 2 diabetes is associated with cardiovascular complications. It is largely unknown which patients have poor treatment response and high complication risk; biomarkers are studied for this purpose. The aim of the study was to investigate the association between clinical factors such as HbA1c, level of biomarkers (C-peptide, copeptin) at diagnosis and changes in HbA1c, blood pressure or body mass index (BMI) after five years. METHODS: Clinical data and blood samples from 460 newly diagnosed type 2 diabetes patients from the Skaraborg diabetes register (SDR) at diagnosis and after 5years and were analyzed with linear and logistic regressions...
March 6, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28303751/vasoactive-peptides-associate-with-treatment-outcome-ofbevacizumab-containing-therapy-in-metastatic-colorectal-cancer
#2
Helga Hagman, Pär-Ola Bendahl, Olle Melander, Jan Sundberg, Anders Johnsson, Mattias Belting
BACKGROUND: Hypertension is a common early adverse event of anti-angiogenic treatment of cancer and may associate with treatment response. However, blood pressure measurement as a surrogate response biomarker has methodological limitations, and predictive biomarkers of angiogenesis inhibitors are lacking. In disease associated with hypertension, vasoactive peptides have been linked to cardiovascular pressure load. Here, we have explored potential associations between circulating levels of vasoactive peptides and tumor response during bevacizumab-containing treatment of colorectal cancer...
March 17, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28302916/advances-in-heart-failure-a-review-of-biomarkers-emerging-pharmacological-therapies-durable-mechanical-support-and-telemonitoring
#3
REVIEW
Yasbanoo Moayedi, Heather J Ross
The purpose of this review is to provide an overview of diagnosis, prognosis and management of heart failure (HF) with reduced ejection fraction (HFrEF). Specifically, this review is divided into three sections. The first section will address biomarkers. The discovery of biomarkers has allowed further understanding of the pathophysiology of HF and provides insight into potential therapeutic targets. This review will focus on novel applications of natriuretic peptides (NPs) in clinical trials. Next, emerging biomarkers of HF, such as ST2, galectin-3 and copeptin, will be discussed...
April 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28301543/inflammation-biomarkers-in-blood-as-mortality-predictors-in-community-acquired-pneumonia-admitted-patients-importance-of-comparison-with-neutrophil-count-percentage-or-neutrophil-lymphocyte-ratio
#4
Jose Curbelo, Sergio Luquero Bueno, José María Galván-Román, Mara Ortega-Gómez, Olga Rajas, Guillermo Fernández-Jiménez, Lorena Vega-Piris, Francisco Rodríguez-Salvanes, Belén Arnalich, Ana Díaz, Ramón Costa, Hortensia de la Fuente, Ángel Lancho, Carmen Suárez, Julio Ancochea, Javier Aspa
INTRODUCTION: The increase and persistence of inflammation in community-acquired pneumonia (CAP) patients can lead to higher mortality. Biomarkers capable of measuring this inadequate inflammatory response are likely candidates to be related with a bad outcome. We investigated the association between concentrations of several inflammatory markers and mortality of CAP patients. MATERIAL AND METHODS: This was a prospective study of hospitalised CAP patients in a Spanish university hospital...
2017: PloS One
https://www.readbyqxmd.com/read/28280053/copeptin-associates-with-cause-specific-mortality-in-patients-with-impaired-renal-function-results-from-the-luric-and-the-4d-study
#5
Vera Krane, Bernd Genser, Marcus E Kleber, Christiane Drechsler, Winfried März, Graciela Delgado, Bruno Allolio, Christoph Wanner, Wiebke Fenske
BACKGROUND: In chronic kidney disease (CKD) arginine vasopressin (AVP) cannot efficiently act via renal V2-receptors. AVP is upregulated leading to augmented activation of V1a- and V1b-receptors, which might contribute to the increase in cardiovascular and infectious complications in CKD. Here, we evaluate copeptin, a surrogate of AVP, and its association with cause specific mortality among patients within the whole spectrum of renal function. METHODS: Copeptin was measured in baseline samples from the LURIC (n = 3131 patients with coronary angiograms) and the 4D-Study (n = 1241 type 2 diabetic hemodialysis patients)...
March 9, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28275223/evaluation-of-eight-biomarkers-to-predict-short-term-mortality-in-patients-with-acute-severe-dyspnea
#6
Claire Ara-Somohano, Agnès Bonadona, Francoise Carpentier, Patricia Pavese, Aurélien Vesin, Rebecca Hamidfar-Roy, Clémence Minet, Gerald Vanzetto, Carole Schwebel, Jean F Timsit
BACKGROUND: Being able to better predict risk and optimal care for patients presenting with acute dyspnea is critical. Prognostic biomarkers are well known: amino-terminal pro-Btype Natriuretic Peptide, troponin, C-reactive protein, procalcitonin. Some were more recently developed: mid-regional pro-A-type natriuretic peptide (Mid Pro-ANP), mid-regional-proadrenomedullin (MR-proADM), pro-endothelin, copeptin. The aim of the paper was to evaluate prognostic value of clinical findings and 8 biomarkers in patients with severe acute dyspnea...
March 8, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28244638/predictive-value-of-plasma-copeptin-level-for-the-risk-and-mortality-of-heart-failure-a-meta-analysis
#7
Jian-Jun Yan, Ying Lu, Zheng-Ping Kuai, Yong-Hong Yong
Epidemiologic studies are inconsistent regarding the association between plasma copeptin level and heart failure (HF). The aim of this study was to perform a meta-analysis to determine whether high level of copeptin is correlated with incidence of HF and mortality in patients with HF. We searched PUBMED and EMBASE databases for studies conducted from 1966 through May 2016 to identify studies reporting hazard ratio (HR) estimates with 95% confidence intervals (CIs) for the association between plasma copeptin level and HF...
February 28, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28223937/orthostatic-challenge-shifts-the-hemostatic-system-of-patients-recovered-from-stroke-toward-hypercoagulability
#8
Gerhard Cvirn, Markus Kneihsl, Christine Rossmann, Margret Paar, Thomas Gattringer, Axel Schlagenhauf, Bettina Leschnik, Martin Koestenberger, Erwin Tafeit, Gilbert Reibnegger, Irhad Trozic, Andreas Rössler, Franz Fazekas, Nandu Goswami
Aims: The objective of our study was to assess the effects of orthostatic challenge on the coagulation system in patients with a history of thromboembolic events and to assess how they compared with age-matched healthy controls. Methods: Twenty-two patients with histories of ischemic stroke and 22 healthy age-matched controls performed a sit-to-stand test. Blood was collected prior to- and at the end of- standing in the upright position for 6 min. Hemostatic profiling was performed by determining thrombelastometry and calibrated automated thrombogram values, indices of thrombin generation, standard coagulation times, markers of endothelial activation, plasma levels of coagulation factors and copeptin, and hematocrit...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28212715/novel-biomarkers-of-heart-failure
#9
A Savic-Radojevic, M Pljesa-Ercegovac, M Matic, D Simic, S Radovanovic, T Simic
Although substantial improvements have been made in majority of cardiac disorders, heart failure (HF) remains a major health problem, with both increasing incidence and prevalence over the past decades. For that reason, the number of potential biomarkers that could contribute to diagnosis and treatment of HF patients is, almost exponentially, increasing over the recent years. The biomarkers that are, at the moment, more or less ready for use in everyday clinical practice, reflect different pathophysiological processes present in HF...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28197843/copeptin-for-risk-stratification-in-non-traumatic-headache-in-the-emergency-setting-a-prospective-multicenter-observational-cohort-study
#10
Claudine Angela Blum, Bettina Winzeler, Nicole Nigro, Philipp Schuetz, Silke Biethahn, Timo Kahles, Cornelia Mueller, Katharina Timper, Katharina Haaf, Janina Tepperberg, Margareth Amort, Andreas Huber, Roland Bingisser, Peter Stephan Sándor, Krassen Nedeltchev, Beat Müller, Mira Katan, Mirjam Christ-Crain
BACKGROUND: In the emergency setting, non-traumatic headache is a benign symptom in 80% of cases, but serious underlying conditions need to be ruled out. Copeptin improves risk stratification in several acute diseases. Herein, we investigated the value of copeptin to discriminate between serious secondary headache and benign headache forms in the emergency setting. METHODS: Patients presenting with acute non-traumatic headache were prospectively enrolled into an observational cohort study...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28174217/diagnosis-and-treatment-of-hyponatremia-compilation-of-the-guidelines
#11
Ewout J Hoorn, Robert Zietse
Hyponatremia is a common water balance disorder that often poses a diagnostic or therapeutic challenge. Therefore, guidelines were developed by professional organizations, one from within the United States (2013) and one from within Europe (2014). This review discusses the diagnosis and treatment of hyponatremia, comparing the two guidelines and highlighting recent developments. Diagnostically, the initial step is to differentiate hypotonic from nonhypotonic hyponatremia. Hypotonic hyponatremia is further differentiated on the basis of urine osmolality, urine sodium level, and volume status...
February 7, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28167369/post-dexamethasone-serum-copeptin-corresponds-to-hpa-axis-responsiveness-in-human-obesity
#12
Christian Schinke, Swen Hesse, Muriel Stoppe, Klara Meyer, Elisa Schmidt, Johannes Orthgiess, Lukas Bechmann, Anke Bresch, Michael Rullmann, Julia Luthardt, Osama Sabri, Matthias Blüher, Jürgen Kratzsch, Florian Then Bergh
CONTEXT: Increased activities of the arginine-vasopressin (AVP) system and the hypothalamic-pituitary-adrenal (HPA) axis were shown to be associated with human obesity, but relationships between these systems in obesity remain unclear. OBJECTIVES: To assess HPA axis responsiveness and its relation to serum concentrations of the AVP-surrogate copeptin in subjects with obesity (OB) in comparison to non-obesity controls (NOC). METHODS: In a cross-sectional monocentric study, thirty-nine OB (f/m 25/14; age 36...
January 16, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28164562/copeptin-levels-in-cerebral-infarction-intracranial-hemorrhage-and-subarachnoid-hemorrhage
#13
Feyza Aksu, Mehtap Gurger, Mustafa Yilmaz, Metin Atescelik, Mustafa Yildiz, Nevin Ilhan, Selcuk Ilhan, Mehmet C Goktekin
BACKGROUND: To determine copeptin levels in patients with suspected intracranial events and to determine whether copeptin levels could be used in the discrimination of cerebral infarction, intracranial hemorrhage, and subarachnoid hemorrhage in the emergency room. METHODS: Blood samples were obtained from the patients prior to imaging to determine the levels of copeptin. Patients were divided into diagnostic groups after the imaging. One hundred and seventy-six participants, who were enrolled in the study, were as follows: 50 cerebral infarction (CI) patients (M/F: 24/26), 47 intracranial hemorrhage (ICH) patients (M/F: 27/20), 29 subarachnoid hemorrhage (SAH) patients (M/F: 17/12) and 50 healthy controls...
December 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28150185/early-diagnosis-of-acute-myocardial-infarction-in-patients-with-mild-elevations-of-cardiac-troponin
#14
Jasper Boeddinghaus, Tobias Reichlin, Thomas Nestelberger, Raphael Twerenbold, Yvette Meili, Karin Wildi, Petra Hillinger, Maria Rubini Giménez, Janosch Cupa, Lukas Schumacher, Marie Schubera, Patrick Badertscher, Sydney Corbière, Karin Grimm, Christian Puelacher, Zaid Sabti, Dayana Flores Widmer, Nicolas Schaerli, Nikola Kozhuharov, Samyut Shrestha, Tobias Bürge, Patrick Mächler, Michael Büchi, Katharina Rentsch, Òscar Miró, Beatriz López, F Javier Martin-Sanchez, Esther Rodriguez-Adrada, Beata Morawiec, Damian Kawecki, Eva Ganovská, Jiri Parenica, Jens Lohrmann, Andreas Buser, Dagmar I Keller, Stefan Osswald, Christian Mueller
BACKGROUND: The early diagnosis of acute myocardial infarction (AMI) in patients with mild elevations of high-sensitivity cardiac troponin (hs-cTn) is a challenge. It is unclear whether copeptin, a marker of endogenous stress, or 1h-hs-cTn changes are better suited to address this important unmet clinical need. METHODS: We prospectively enrolled patients presenting with symptoms suggestive of AMI to the emergency department (ED). Two independent cardiologists adjudicated the final diagnosis...
February 1, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28137395/cardiac-biomarkers-of-low-cardiac-output-syndrome-in-the-postoperative-period-after-congenital-heart-disease-surgery-in-children
#15
Juan L Pérez-Navero, María José de la Torre-Aguilar, Ignacio Ibarra de la Rosa, Mercedes Gil-Campos, Elena Gómez-Guzmán, Carlos Merino-Cejas, María C Muñoz-Villanueva, Francisco J Llorente-Cantarero
INTRODUCTION AND OBJECTIVES: To assess the predictive value of atrial natriuretic peptide, β-type natriuretic peptide, copeptin, mid-regional pro-adrenomedullin (MR-proADM) and cardiac troponin I (cTn-I) as indicators of low cardiac output syndrome in children with congenital heart disease undergoing cardiopulmonary bypass (CPB). METHODS: After corrective surgery for congenital heart disease under CPB, 117 children (aged 10 days to 180 months) were enrolled in a prospective observational pilot study during a 2-year period...
October 27, 2016: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28118730/copeptin-in-patients-with-acute-myocardial-infarction-and-newly-detected-glucose-abnormalities-a-marker-of-increased-stress-susceptibility-a-report-from-the-glucose-in-acute-myocardial-infarction-cohort
#16
Maria Isabel Smaradottir, Viveca Ritsinger, Viveca Gyberg, Anna Norhammar, Per Näsman, Linda G Mellbin
OBJECTIVE: To characterize copeptin levels and to explore its prognostic importance in patients with acute myocardial infarction with newly detected glucose abnormalities. METHODS: Copeptin was measured in 166 patients with acute myocardial infarction without known diabetes and in 168 age- and gender-matched controls. Participants were classified as having normal glucose tolerance or abnormal glucose tolerance (impaired glucose tolerance + type 2 diabetes mellitus) by oral glucose tolerance test...
January 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28118414/copeptin-predicts-mortality-in-critically-ill-patients
#17
Konstantin A Krychtiuk, Maria C Honeder, Max Lenz, Gerald Maurer, Johann Wojta, Gottfried Heinz, Kurt Huber, Walter S Speidl
BACKGROUND: Critically ill patients admitted to a medical intensive care unit exhibit a high mortality rate irrespective of the cause of admission. Besides its role in fluid and electrolyte balance, vasopressin has been described as a stress hormone. Copeptin, the C-terminal portion of provasopressin mirrors vasopressin levels and has been described as a reliable biomarker for the individual's stress level and was associated with outcome in various disease entities. The aim of this study was to analyze whether circulating levels of copeptin at ICU admission are associated with 30-day mortality...
2017: PloS One
https://www.readbyqxmd.com/read/28117181/prognostic-stratification-in-pulmonary-hypertension-a-multi-biomarker-approach
#18
Rui Plácido, Nuno Cortez-Dias, Susana Robalo Martins, Ana Gomes Almeida, Carina Calisto, Susana Gonçalves, Malha Sadoune, António Nunes Diogo, Alexandre Mebazaa, Fausto José Pinto
INTRODUCTION: Pulmonary hypertension (PH) covers a group of conditions characterized by an increase in pulmonary vascular resistance leading to right ventricular failure. Risk stratification is crucial for adequate prognostic and therapeutic assessment. However, the accuracy of conventional parameters is limited, especially biomarkers. OBJECTIVES: To determine the prognostic value of new biomarkers and their combination in a multi-biomarker approach to predict outcome in patients with PH...
February 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28117000/vasopressin-and-related-peptides-potential-value-in-diagnosis-prognosis-and-treatment-of-clinical-disorders
#19
Ewa Szczepanska-Sadowska, Tymoteusz Zera, Piotr Sosnowski, Agnieszka Cudnoch-Jedrzejewska, Anna Puszko, Aleksandra Misicka
Vasopressin (AVP) and its receptors play a pivotal role in maintaining body homeostasis under physiological and pathophysiological conditions. As a consequence, the vasopressin system has emerged as an important target for both diagnostic and therapeutic applications in a number of medical conditions. Stoichiometric generation of AVP with copeptin, which is relatively accessible in the blood for measurements, makes copeptin a valuable surrogate of AVP. In this review, we present the regulation of release of AVP and activation of V1a, V1b, and V2 vasopressin receptors under physiological and pathological conditions...
January 19, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28115852/prognostic-role-of-copeptin-with-all-cause-mortality-after-heart-failure-a-systematic-review-and-meta-analysis
#20
Peng Zhang, Xiaomei Wu, Guangxiao Li, Hao Sun, Jingpu Shi
BACKGROUND: As the C-terminal section of vasopressin precursor, copeptin has been recently suggested as a new prognostic biomarker after heart failure (HF). Thus, the aim of this study was to evaluate the prognostic value of plasma copeptin level with all-cause mortality in patients with HF. METHODS: Comprehensive strategies were used to search relevant studies from electronic databases. Pooled hazard ratios (HRs) and standardized mean differences (SMDs) together with their 95% confidence intervals (CIs) were calculated...
2017: Therapeutics and Clinical Risk Management
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