keyword
MENU ▼
Read by QxMD icon Read
search

copeptine

keyword
https://www.readbyqxmd.com/read/27904159/copeptin-as-a-biomarker-for-prediction-of-prognosis-of-acute-ischemic-stroke-and-transient-ischemic-attack-a-meta-analysis
#1
Qian Xu, Yunfan Tian, Hao Peng, Hongmei Li
This meta-analysis aimed to investigate the predictive effect of copeptin as a biomarker for the prognosis of acute ischemic stroke and transient ischemic attack. Electronic databases including PubMed, Medline, EMBASE, Web of Science and Cochrane Central were searched for studies assessing the association of copeptin level on admission with prognosis of acute ischemic stroke and transient ischemic attack. The Newcastle-Ottawa Quality assessment scale for cohort study was used to evaluate quality. A total of 1976 acute ischemic stroke patients from 6 studies were included, and 59% of patients were male...
December 1, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/27903076/the-potential-of-optimizing-prehospital-triage-of-patients-with-suspected-acute-myocardial-infarction-using-high-sensitivity-cardiac-troponin-t-and-copeptin
#2
Carsten Stengaard, Jacob T Sørensen, Søren A Ladefoged, Jens F Lassen, Martin B Rasmussnen, Claus Kjær Pedersen, Antoine Ayer, Hans Erik Bøtker, Christian J Terkelsen, Kristian Thygesen
PURPOSE: In patients with a suspected acute myocardial infarction (AMI), to evaluate the potential for early triage based on measurement of high-sensitivity cardiac troponin T (hs-cTnT) and copeptin in blood samples collected in the prehospital phase. MATERIALS AND METHODS: In this retrospective study, we measured hs-cTnT and copeptin in blood samples collected in the ambulance form 962 patients with suspected AMI. The diagnostic accuracy was estimated by receiver-operating characteristics curve area under the curve (AUC) for both biomarkers and a combined model...
December 1, 2016: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/27899079/vasopressin-related-copeptin-is-a-novel-predictor-of-early-endothelial-dysfunction-in-patients-with-adult-polycystic-kidney-disease
#3
Ismail Kocyigit, Mahmut Ilker Yilmaz, Ozkan Gungor, Eray Eroglu, Aydin Unal, Ozcan Orscelik, Bulent Tokgoz, Murat Sipahioglu, Ahmet Sen, Juan Jesús Carrero, Oktay Oymak, Jonas Axelsson
BACKGROUND: In this study, we examined the relative usefulness of serum copeptin levels as a surrogate marker of vasopressin (AVP) in adult polycystic kidney disease (ADPKD) by correlating it with baseline and longitudinal changes in markers of both renal function and common CVD manifestations (hypertensive vascular disease, atherosclerosis and endothelial dysfunction) that accompany the progression of this disease. METHODS: We studied a cohort of young and otherwise healthy ADPKD patients (n = 235) and measured cardiovascular function using flow-mediation dilatation (FMD), carotid intima media thickness (cIMT) and pulse wave velocity (PWV), as well as serum copeptin (commercial ELISA, a stable marker of AVP activity)...
November 30, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27882774/usefulness-of-copeptin-as-a-potential-biomarker-in-tbe
#4
Piotr Czupryna, Anna Moniuszko-Malinowska, Adam Garkowski, Justyna Dunaj, Renata Swierzbinska, Sławomir Pancewicz, Joanna Gościk, Maciej Kondrusik, Sambor Grygorczuk, Joanna Zajkowska
OBJECTIVE: The aim of the study was the evaluation of copeptin usefulness for differentiation of hyponatremia in the course of tick-borne encephalitis (TBE) and for being a prognostic marker of the severity of TBE. MATERIALS AND METHODS: 114 patients with TBE were included in the study. The control group consisted of 62 patients diagnosed with viral meningitis. RESULTS: Copeptin concentration did not differ in patients with hyponatremia and normonatremia...
November 24, 2016: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/27879483/comparison-of-ex-vivo-stability-of-copeptin-and-vasopressin
#5
Judith E Heida, Lianne S M Boesten, Esmée M Ettema, Anneke C Muller Kobold, Casper F M Franssen, Ron T Gansevoort, Debbie Zittema
BACKGROUND: Copeptin, part of the vasopressin precursor, is increasingly used as marker for vasopressin and is claimed to have better ex vivo stability. However, no study has directly compared the ex vivo stability of copeptin and vasopressin. METHODS: Blood of ten healthy volunteers was collected in EDTA tubes. Next, we studied the effect of various pre-analytical conditions on measured vasopressin and copeptin levels: centrifugation speed, short-term storage temperature and differences between whole blood and plasma, long-term storage temperature and repeated freezing and thawing...
November 23, 2016: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/27871026/copeptin-a-potential-endocrine-surrogate-marker-of-cck-4-induced-panic-symptoms
#6
Cüneyt Demiralay, Agorastos Agorastos, Alexander Yassouridis, Holger Jahn, Klaus Wiedemann, Michael Kellner
Intravenous cholecystokinin-tetrapeptide (CCK-4) administration reliably and dose-dependently provokes panic anxiety in man, accompanied by adrenocorticotropic hormone (ACTH) and cortisol release. Preclinical findings suggest that behavioral and endocrine effects of CCK-4 are mediated via corticotropin-releasing hormone (CRH) release. Anxiogenic stimulation of the central CCK-receptors in man was shown to increase as well vasopressin (AVP), which acts synergistically with CRH as pituitary-adrenocortical axis stimulator during stress...
November 8, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27870734/incremental-value-of-preoperative-copeptin-for-predicting-myocardial-injury
#7
Eckhard Mauermann, Daniel Bolliger, Esther Seeberger, Christian Puelacher, Sydney Corbiere, Miodrag Filipovic, Manfred Seeberger, Christian Mueller, Giovanna Lurati Buse
BACKGROUND: Copeptin, a novel marker of endogenous stress, has shown diagnostic and prognostic value in nonsurgical patients with a suspected coronary event. We aimed to assess the incremental value of copeptin in addition to established preoperative risk indices to predict the occurrence of postoperative myocardial injury. METHODS: This secondary analysis of prospectively collected data included adults undergoing noncardiac surgery with risk factors for adverse perioperative cardiac events based on preoperative risk stratification...
December 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27868455/identification-of-patients-at-risk-for-preeclampsia-with-the-use-of-uterine-artery-doppler-velocimetry-and-copeptin
#8
Ali Yeşil, Ammar Kanawati, Çağlar Helvacıoğlu, Cihan Kaya, Çağseli Göksu Özgün, Hüseyin Cengiz
PURPOSE: To investigate the relationship between maternal copeptin levels and uterine artery Doppler examination and progress of preeclampsia. MATERIALS AND METHODS: A cross-sectional study was designed with women those were screened at 20 + 0 - 24 + 6 weeks' gestation between May 2014 and August 2014. The obstetric records of all normotensive women were examined. Uterine artery Doppler velocimetry results and serum copeptin levels were measured. The patients were divided in two groups according to normal (n = 67) and abnormal uterine artery Doppler (n = 21) findings...
November 21, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27852737/role-of-fructose-and-fructokinase-in-acute-dehydration-induced-vasopressin-gene-expression-and-secretion-in-mice
#9
Zhilin Song, Carlos A Roncal-Jimenez, Miguel A Lanaspa-Garcia, Sarah A Oppelt, Masanari Kuwabara, Thomas Jensen, Tamara Milagres, Ana Andres-Hernando, Takuji Ishimoto, Gabriela E Garcia, Ginger C Johnson, Paul S MacLean, Laura-Gabriela Sanchez-Lozada, Dean R Tolan, Richard J Johnson
BACKGROUND: Fructose stimulates vasopressin in humans and can be generated endogenously by activation of the polyol pathway with hyperosmolarity. We hypothesized that fructose metabolism in the hypothalamus might partly control vasopressin responses after acute dehydration. METHODS: Wildtype and fructokinase-knockout mice were deprived of water for 24 hours. The supraoptic nucleus was evaluated for vasopressin and the aldose reductase-fructokinase pathway. The posterior pituitary vasopressin and serum copeptin levels were examined...
November 16, 2016: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27847253/necessity-of-hospitalization-and-stress-testing-in-low-risk-chest-pain-patients
#10
Neil Beri, Nicholas A Marston, Lori B Daniels, Richard M Nowak, Donald Schreiber, Christian Mueller, Allan Jaffe, Deborah B Diercks, Nicholas Wettersten, Christopher DeFilippi, W Frank Peacock, Alexander T Limkakeng, Inder Anand, James McCord, Judd E Hollander, Alan H B Wu, Fred S Apple, John T Nagurney, Cecilia Berardi, Chad M Cannon, Paul Clopton, Sean-Xavier Neath, Robert H Christenson, Christopher Hogan, Gary Vilke, Alan Maisel
BACKGROUND: Copeptin is a marker of endogenous stress including early myocardial infarction(MI) and has value in early rule out of MI when used with cardiac troponin I(cTnI). OBJECTIVES: The goal of this study was to demonstrate that patients with a normal electrocardiogram and cTnI<0.040μg/l and copeptin<14pmol/l at presentation and after 2 h may be candidates for early discharge with outpatient follow-up potentially including stress testing. METHODS: This study uses data from the CHOPIN trial which enrolled 2071 patients with acute chest pain...
October 29, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27825364/mid-regional-pro-adrenomedullin-mr-proadm-a-marker-of-positive-fluid-balance-in-critically-ill-patients-results-of-the-envol-study
#11
Bernard Vigué, Pierre-Etienne Leblanc, Frédérique Moati, Eric Pussard, Hussam Foufa, Aurore Rodrigues, Samy Figueiredo, Anatole Harrois, Jean-Xavier Mazoit, Homa Rafi, Jacques Duranteau
BACKGROUND: The optimal control of blood volume without fluid overload is a main challenge in the daily care of intensive care unit (ICU) patients. Accordingly this study focused on the identification of biomarkers to help characterize fluid overload status. METHODS: Sixty-seven patients were studied from ICU admission to day 7 (D7). Blood and urine samples were taken daily and sodium and water balance strictly calculated resulting in a total cumulative assessment of ∆Na(+) and ∆H2O...
November 9, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27775435/copeptin-resistant-hypertension-and-renal-sympathetic-denervation
#12
Marius Schwerg, Anna Slagman, Karl Stangl, Verena Stangl
BACKGROUND: Renal denervation is used as a treatment option for patients with resistant hypertension. But only a subgroup of patients benefits from RDN. Biomarkers might be helpful to identify patients who respond to RDN. Copeptin as a surrogate for vasopressin levels is increased in hypertension and other cardiovascular diseases. This study aims to evaluate the effect of RDN on Copeptin and its prognostic value for response to RDN. METHOD AND RESULTS: A total of 40 patients have been included in the study...
October 24, 2016: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/27773680/vasopressin-v1a-receptor-mediates-cell-proliferation-through-grk2-egfr-erk1-2-pathway-in-a7r5-cells
#13
Lingling Zhang, Xiaojun Wang, Hong Cao, Yunxuan Chen, Xianfan Chen, Xi Zhao, Feifei Xu, Yifan Wang, Anthony Yiu-Ho Woo, Weizhong Zhu
Abnormal proliferation and hypertrophy of vascular smooth muscle (VSMC), as the main structural component of the vasculature, is an important pathological mechanism of hypertension. Recently, increased levels of arginine vasopressin (AVP) and copeptin, the C-terminal fragment of provasopressin, have been shown to correlate with the development of preeclampsia. AVP targets on the Gq-coupled vasopressin V1A receptor and the Gs-coupled V2 receptor in VSMC and the kidneys to regulate vascular tone and water homeostasis...
October 20, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27768229/higher-copeptin-levels-are-associated-with-worse-outcome-in-patients-with-hypertrophic-cardiomyopathy
#14
Irfan Sahin, Baris Gungor, Berk Ozkaynak, Fatih Uzun, Suat Hayri Küçük, Ilhan Iker Avci, Ender Ozal, Burak Ayça, Sukru Cetın, Ertugrul Okuyan, Mustafa Hakan Dinckal
BACKGROUND: Correlation of increased copeptin levels with various cardiovascular diseases has been described. The clinical use of copeptin levels in patients with hypertrophic cardiomyopathy (HCM) has not been investigated before. HYPOTHESIS: In this study, we aimed to investigate the prognostic value of copeptin levels in patients with hypertrophic cardiomyopathy (HCM). METHODS: HCM was defined as presence of left ventricular wall thickness ≥15 mm in a subject without any concomitant disease that may cause left ventricular hypertrophy...
October 21, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27761961/using-expert-elicitation-to-estimate-the-potential-impact-of-improved-diagnostic-performance-of-laboratory-tests-a-case-study-on-rapid-discharge-of-suspected-non-st-elevation-myocardial-infarction-patients
#15
Michelle Ma Kip, Lotte Mg Steuten, Hendrik Koffijberg, Maarten J IJzerman, Ron Kusters
Early health technology assessment can provide insight in the potential cost-effectiveness of new tests to guide further development decisions. This can increase their potential benefit but often requires evidence which is lacking in early test development stages. Then, expert elicitation may be used to generate evidence on the impact of tests on patient management. This is illustrated in a case study on a new triple biomarker test (copeptin, heart-type fatty acid binding protein, and high-sensitivity troponin [HsTn]) at hospital admission...
October 19, 2016: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/27755389/copeptin-is-increased-in-resistant-hypertension
#16
Margarida Mendes, Julie Dubourg, Anne Blanchard, Damien Bergerot, Pierre-Yves Courand, Valentina Forni, Michael Frank, Guillaume Bobrie, Joel Menard, Michel Azizi
OBJECTIVES: The participation of vasopressin in the mechanisms of resistant hypertension is unclear. We compared plasma copeptin concentration, a surrogate marker for vasopressin secretion, between patients with resistant hypertension and those with controlled blood pressure (CBP), in a post hoc analysis of the Prise en charge de l'Hypertension Artérielle RESistante au traitement trial. METHODS: After 4-week treatment with irbesartan 300 mg/day, hydrochlorothiazide 12...
October 15, 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27750470/controls-can-t-be-ignored
#17
W Frank Peacock
No abstract text is available yet for this article.
December 2, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27729425/plasma-copeptin-kidney-outcomes-ischemic-heart-disease-and-all-cause-mortality-in-people-with-long-standing-type-1-diabetes
#18
Gilberto Velho, Ray El Boustany, Guillaume Lefèvre, Kamel Mohammedi, Frédéric Fumeron, Louis Potier, Lise Bankir, Nadine Bouby, Samy Hadjadj, Michel Marre, Ronan Roussel
OBJECTIVE: Plasma copeptin, a surrogate for vasopressin, has been associated with a decline in renal function and albuminuria in population-based studies as well as with progression of diabetic nephropathy in people with type 2 diabetes. We assessed the risk of kidney and coronary events and all-cause mortality associated with plasma copeptin in people with type 1 diabetes. RESEARCH DESIGN AND METHODS: Plasma copeptin was measured in baseline samples of the GENEDIAB (n = 398; 56% male; mean ± SD age 45 ± 12 years and diabetes duration 28 ± 10 years) and GENESIS (n = 588; 52% male; age 42 ± 11 years; diabetes duration 27 ± 9 years) cohorts...
December 2016: Diabetes Care
https://www.readbyqxmd.com/read/27723069/first-and-third-trimester-serum-concentrations-of-adropin-and-copeptin-in-gestational-diabetes-mellitus-and-normal-pregnancy
#19
Filip A Dąbrowski, Patrycja Jarmużek, Agata Gondek, Agnieszka Cudnoch-Jędrzejewska, Dorota Bomba-Opoń, Mirosław Wielgoś
OBJECTIVES: Gestational diabetes mellitus (GDM) is a metabolic disease diagnosed in 1.7% up to 11.6% pregnancies. The prevalence of adverse pregnancy outcome is significantly higher in the case of early onset of diabetes mellitus. Adropin is a hormone promoting carbohydrate oxidation over fat oxidation, and influence nitric oxide synthase. Copeptin is a cleavage product of the vasopressin precursor recently correlated with diabetes mellitus. The aim of the study was to determine maternal serum adropin and copeptin concentrations in women with early and late manifestation of GDM and to discuss their potential role as biochemical markers of insulin resistance...
2016: Ginekologia Polska
https://www.readbyqxmd.com/read/27701376/predictors-of-rapid-disease-progression-in-autosomal-dominant-polycystic-kidney-disease
#20
Valentina Corradi, Fiorella Gastaldon, Carlotta Caprara, Anna Giuliani, Francesca Martino, Fiorenza Ferrari, Claudio Ronco
INTRODUCTION: Autosomal dominant polycystic kidney disease (ADPKD) is one of the most common genetic diseases with a reported prevalence of 1:400 to 1:1000. Since the intact kidneys can compensate for the loss of glomerular filtration in ADPKD patients, renal insufficiency usually remains undetected until almost the fourth decade of life. Hereafter, reliable diagnostic and prognostic biomarkers to identify ADPKD progression are urgently needed. Several studies and systematic reviews tried to identify markers or predictors of rapid disease progression of ADPKD...
October 4, 2016: Minerva Medica
keyword
keyword
76724
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"