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troponin creatine kinase

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https://www.readbyqxmd.com/read/28087154/evaluation-of-serial-high-sensitivity-troponin-t-levels-in-individuals-without-overt-coronary-heart-disease-following-exercise-stress-testing
#1
Yousef M E Saad, Hanan Idris, Ibrahim M Shugman, Krishna K Kadappu, Rohan Rajaratnam, Liza Thomas, Christian Mussap, Dominic Y C Leung, Craig P Juergens, John K French
BACKGROUND: Detectable levels of high sensitivity (cardiac) troponin T (HsTnT), occur in the majority of patients with stable coronary heart disease (CHD), and often in 'healthy' individuals. Extreme physical activity may lead to marked elevations in creatine kinase MB and TnT levels. However, whether HsTnT elevations occur commonly after exercise stress testing (EST), and if so, whether this has clinical significance, needs clarification. METHODS: To determine whether HsTnT levels become elevated after EST (Bruce protocol) to ≥95% of predicted maximum heart rate in presumed healthy subjects without overt CHD, we assayed HsTnT levels for ∼5h post-EST in 105 subjects (median age 37 years)...
December 9, 2016: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28079862/extra-neuronal-pathology-in-a-canine-model-of-cln2-neuronal-ceroid-lipofuscinosis-after-intracerebroventricular-gene-therapy-that-delays-neurological-disease-progression
#2
M L Katz, G C Johnson, S B Leach, B G Williamson, J R Coates, R E H Whiting, D P Vansteenkiste, M S Whitney
CLN2 neuronal ceroid lipofuscinosis is a hereditary lysosomal storage disease with primarily neurological signs that results from mutations in TPP1 which encodes the lysosomal enzyme tripeptidyl peptidase-1 (TPP1). Studies using a canine model for this disorder demonstrated that delivery of TPP1 enzyme to the cerebrospinal fluid (CSF) by intracerebroventricular administration of an AAV-TPP1 vector resulted in substantial delays in the onset and progression of neurological signs and prolongation of lifespan...
January 12, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28077344/detection-of-h-fabp-heart-type-fatty-acid-binding-protein-levels-in-diabetic-ketoacidosis-and-identification-of-early-cardiac-effects-of-ketoacidosis
#3
Fatma Hilal Yılmaz, Sevil Arı Yuca, Hüsamettin Vatansev, Emine Ayça Cimbek, Yaşar Şen, İsa Yılmaz, Fikret Akyürek, Derya Arslan, Derya Çimen, Alaadin Yorulmaz
OBJECTIVE: This is study aims to measure the level of serum heart-type fatty acid binding protein (h-FABP) in patients presenting with diabetic ketoacidosis (DKA) and diabetic ketosis (DK) and to determine its role in identifying early period cardiac ischemia. METHODS: This prospective study included 35 patients diagnosed with DKA, 20 patients diagnosed with DK, and 20 control subjects.The h-FABP, creatine kinase-MB (CK-MB), and troponin-I levels were studied in patients with DKA and DK as well as in the control group at the time of presentation...
January 12, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28070882/effect-of-a-180-mg-ticagrelor-loading-dose-on-myocardial-necrosis-in-patients-undergoing-elective-percutaneous-coronary-intervention-a-preliminary-study
#4
QuanFu Xu, YingGang Sun, Yi Zhang, Bo Liu, Lu Fang, ChengXing Shen, YiGang Li, Shu Meng
BACKGROUND: To examine whether a loading dose of ticagrelor on top of clopidogrel reduced post-percutaneous coronary intervention (PCI) myonecrosis. METHODS: Seventy seven coronary artery disease patients received a loading dose of 300 mg clopidogrel pre-PCI and were divided into three groups: group TT (n = 36): a loading dose of 180 mg ticagrelor pre-PCI, followed by ticagrelor 90 mg twice daily commencing one day post-PCI; group CT (n = 26): a maintenance dose of ticagrelor 90 mg twice daily; group CC (n = 15): clopidogrel 75 mg daily post-PCI...
January 10, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28062613/consensus-or-controversy-evolution-of-criteria-for-myocardial-infarction-after-percutaneous-coronary-intervention
#5
REVIEW
Pierluigi Tricoci
BACKGROUND: The definition and the clinical implications of myocardial infarction (MI) occurring in the setting of percutaneous coronary intervention have been subjects of unresolved controversy. As a result of the use of more sensitive diagnostic tools such as cardiac troponin, the expanding evidence, and the ensuing debate, the definition of procedural MI (pMI) has evolved, leading to several revisions, different proposed definitions, and lack of standardization in randomized clinical trials...
January 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28051249/the-clinical-value-of-circulating-mir-99a-in-plasma-of-patients-with-acute-myocardial-infarction
#6
S-Y Yang, Y-Q Wang, H-M Gao, B Wang, Q He
OBJECTIVE: Acute myocardial infarction (AMI) contributes to be a significant public health problem, and it is the leading cause of morbidity and mortality in the world. However, the molecular mechanisms underlying AMI is poorly known. The purpose of this study was to investigate the change of plasma microRNA-99a (miR-99a) level in AMI patients and its potential clinical value. PATIENTS AND METHODS: Plasma samples from 54 patients with AMI and 30 healthy volunteers were collected...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28026027/the-contemporary-value-of-peak-creatine-kinase-mb-after-st-segment-elevation-myocardial-infarction-above-other-clinical-and-angiographic-characteristics-in-predicting-infarct-size-left-ventricular-ejection-fraction-and-mortality
#7
Minke H T Hartman, Ruben N Eppinga, Pieter J J Vlaar, Chris P H Lexis, Erik Lipsic, Joost D E Haeck, Dirk J van Veldhuisen, Iwan C C van der Horst, Pim van der Harst
BACKGROUND: Complex multimarker approaches to predict outcome after ST-elevation myocardial infarction (STEMI) have only considered a single baseline sample, while neglecting easily obtainable peak creatine kinase and creatine kinase-MB (CK-MB) values during hospitalization. METHODS: We studied 476 patients undergoing primary percutaneous coronary intervention for STEMI and cardiac magnetic resonance imaging (CMRI) at 4-6 months after STEMI. We determined the association with cardiac biomarkers (peak CK-MB, peak troponin T, N-terminal pro-brain natriuretic peptide), clinical and angiographic characteristics with infarct size, and LVEF, followed by association with mortality in 1120 STEMI patients...
December 27, 2016: Clinical Cardiology
https://www.readbyqxmd.com/read/27997916/circulating-mir-181a-as-a-potential-novel-biomarker-for-diagnosis-of-acute-myocardial-infarction
#8
Jianbing Zhu, Kang Yao, Qian Wang, Junjie Guo, Hongtao Shi, Leilei Ma, Haibo Liu, Wei Gao, Yunzeng Zou, Junbo Ge
BACKGROUND: In this study, we tested the hypothesis that miR-181a levels increase during acute myocardial infarction. We investigated circulating miR-181a as a potential novel biomarker for early diagnosis of acute myocardial infarction (AMI). METHODS: From June 2014 to June 2016, 120 consecutive eligible patients with AMI (n = 60) or unstable angina (UA; n = 60) and 60 control subjects were enrolled. Plasma miR-181a levels were determined by quantitative reverse transcriptase-polymerase chain reaction...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27979473/lazaroid-u-74389g-for-cardioplegia-related-ischemia-reperfusion-injury-an-experimental-study
#9
Panagiotis Dedeilias, Apostolos Papalois, Christos Angelidis, Georgios Giannopoulos, Spyridon Deftereos, Maria Chorti, Efstratios Apostolakis, Georgia Kostopanagiotou
BACKGROUND: The adverse effects of myocardial ischemia and reperfusion during cardiopulmonary bypass (CPB) have been thoroughly described. Lazaroid U-74389G, a 21 aminosteroid, has been shown to attenuate ischemia and reperfusion injury and improve recovery in a variety of experimental models. METHODS: Sixteen male swine were randomly divided in two groups. All animals underwent 45 min of ischemic cardioplegic arrest, with U-74389G addition to the standard cardioplegic solution, whereas controls underwent the same procedure without U-74389G...
January 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/27938904/myocardial-rescue-with-autologous-mitochondrial-transplantation-in-a-porcine-model-of-ischemia-reperfusion
#10
Aditya K Kaza, Isaac Wamala, Ingeborg Friehs, Joseph D Kuebler, Rahul H Rathod, Ignacio Berra, Maria Ericsson, Rouan Yao, Jerusha K Thedsanamoorthy, David Zurakowski, Sidney Levitsky, Pedro J Del Nido, Douglas B Cowan, James D McCully
OBJECTIVE: To demonstrate the clinical efficacy of autologous mitochondrial transplantation in preparation for translation to human application using an in vivo swine model. METHODS: A left mini-thoracotomy was performed on Yorkshire pigs. The pectoralis major was dissected, and skeletal muscle tissue was removed and used for the isolation of autologous mitochondria. The heart was subjected to regional ischemia (RI) by temporarily snaring the circumflex artery...
November 15, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27934084/highly-sensitive-and-quick-detection-of-acute-myocardial-infarction-biomarkers-using-in2o3-nanoribbon-biosensors-fabricated-using-shadow-masks
#11
Qingzhou Liu, Noppadol Aroonyadet, Yan Song, Xiaoli Wang, Xuan Cao, Yihang Liu, Sen Cong, Fanqi Wu, Mark E Thompson, Chongwu Zhou
We demonstrate a scalable and facile lithography-free method for fabricating highly uniform and sensitive In2O3 nanoribbon biosensor arrays. Fabrication with shadow masks as the patterning method instead of conventional lithography provides low-cost, time-efficient, and high-throughput In2O3 nanoribbon biosensors without photoresist contamination. Combined with electronic enzyme-linked immunosorbent assay for signal amplification, the In2O3 nanoribbon biosensor arrays are optimized for early, quick, and quantitative detection of cardiac biomarkers in diagnosis of acute myocardial infarction (AMI)...
November 22, 2016: ACS Nano
https://www.readbyqxmd.com/read/27930383/effect-of-e-oj-01-on-cardiac-conditioning-in-young-exercising-adults-a-randomized-controlled-trial
#12
Robert N Girandola, Shalini Srivastava
BACKGROUND AND AIM: Cardiac health is a determinant of athletic performance. A body of data suggests that in healthy young adults, an increase in maximal cardiac output leads to an increase in endurance. Terminalia arjuna (TA) has been studied for multiple benefits in cardiovascular health although its effects as a cardioprotective ergogenic aid require further exploration. The current trial was planned to study the effect of the proprietary TA extract (E-OJ-01) on the markers of cardiac conditioning in healthy young adults...
November 29, 2016: American Journal of Therapeutics
https://www.readbyqxmd.com/read/27920825/evaluation-of-cardioprotective-effect-of-aqueous-extract-of-allium-cepa-linn-bulb-on-isoprenaline-induced-myocardial-injury-in-wistar-albino-rats
#13
Geeta B Kharadi, Kaksha J Patel, Bhargav M Purohit, Seema N Baxi, C B Tripathi
To investigate the cardioprotective potential of the aqueous extract of Allium cepa Linn. bulb in isoprenaline-induced myocardial injury in Wistar albino rats. In vitro total phenolic, total flavonoid content and 2, 2'-diphenyl-1-picrylhydrazyl hydrate radical scavenging activity was measured. Isoprenaline-induced myocardial injury model was used to evaluate in vivo effect of aqueous extract of A. cepa in Wistar albino rats. Seventy two rats were randomly divided in 6 groups. Rats were treated with A. cepa 400 mg/kg and 800 mg/kg doses for 30 days and myocardial injury was produced by subcutaneous injection of isoprenaline (ISO) 85 mg/kg on day 28 and 29...
October 2016: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27895451/non-cardiogenic-pulmonary-edema-rhabdomyolysis-and-myocardial-injury-following-heroin-inhalation-a-case-report
#14
G Bazoukis, A Spiliopoulou, K Mourouzis, P Grigoropoulou, A Yalouris
BACKGROUND: Heroin use by non-injecting routes of administration (snorting, swallowing, "chasing the dragon") is considered to be safer but is not risk-free for fatal overdose or serious side effects. We report the case of an adolescent who was transferred unconscious to the emergency department after heroin inhalation. Description of the case: A 17-year-old male was transferred to the emergency department unconscious (Glasgow coma scale: 6/15) after heroin inhalation. He was treated with non-rebreather mask and intravenous infusion of naloxone with gradual improvement of consciousness and arterial blood gasses...
January 2016: Hippokratia
https://www.readbyqxmd.com/read/27894261/multimarker-approach-for-the-prediction-of-microvascular-obstruction-after-acute-st-segment-elevation-myocardial-infarction-a-prospective-observational-study
#15
Hans-Josef Feistritzer, Sebastian Johannes Reinstadler, Gert Klug, Martin Reindl, Sebastian Wöhrer, Christoph Brenner, Agnes Mayr, Johannes Mair, Bernhard Metzler
BACKGROUND: Presence of microvascular obstruction (MVO) derived from cardiac magnetic resonance (CMR) imaging is among the strongest outcome predictors after ST-segment elevation myocardial infarction (STEMI). We aimed to investigate the comparative predictive values of different biomarkers for the occurrence of MVO in a large cohort of reperfused STEMI patients. METHODS: This study included 128 STEMI patients. CMR imaging was performed within the first week after infarction to assess infarct characteristics, including MVO...
November 28, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27873501/a-comparison-of-peri-procedural-myocardial-infarction-between-paclitaxel-coated-balloon-and-drug-eluting-stent-on-de-novo-coronary-lesions
#16
Ae Young Her, Kyoung Im Cho, Gillian Balbir Singh, Scot Garg, Yong Hoon Kim, Bon Kwon Koo, Eun Seok Shin
PURPOSE: This study compared the impact of paclitaxel-coated balloons (PCB) or drug eluting stents (DES) on peri-procedural myocardial infarction (PMI) on de novo coronary lesion in stable patients. MATERIALS AND METHODS: In this observational study, we compared the incidence of PMI amongst patients with single vessel de novo coronary lesions who underwent treatment with a PCB or DES. Propensity score-matching analysis was used to assemble a cohort of patients with similar baseline characteristics...
January 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/27869245/predictors-of-early-return-to-work-after-a-coronary-artery-bypass-graft-surgery-cabg
#17
Ramin Mehrdad, Noroja Ghadiri Asli, Gholamreza Pouryaghoub, Maryam Saraei, Firoozeh Salimi, Mostafa Nejatian
OBJECTIVES: Identifying factors predictive of early return to work in patients who underwent a coronary artery bypass graft surgery (CABG). MATERIAL AND METHODS: Two hundred twenty-six working patients who volunteered and underwent a primary coronary artery bypass surgery between September 2013 and May 2014 were selected for the study and followed up for 6 months. Predictors of early return to work (RTW) (within 2 months) were analyzed from variables in a prospectively collected database and the 36-Item Short Form Health Survey (SF-36) questionnaire carried out in the hospital and rehabilitation center as well as from the follow-up performed via the phone...
November 18, 2016: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/27866054/comparison-of-mirna-signature-versus-conventional-biomarkers-before-and-after-off-pump-coronary-artery-bypass-graft
#18
Fatemeh Pourrajab, Fereshteh Torkian Velashani, Masoud Khanaghaei, Seyedhossein Hekmatimoghaddam, Mahdi Rahaie, Mohamad Reza Zare-Khormizi
Circulating levels of microRNAs (miRNAs) and their expression patterns are supposed to serve as signatures for diagnosis or prognosis of cardiovascular events. The present study aimed at determining if there is any correlation between the release pattern of 2 miRNAs and the plasma levels of conventional biomarkers cardiac troponin I (cTnI), creatine kinase (CK) and uric acid (UA) in patients undergoing their first off-pump coronary artery bypass graft (OCABG). Seventy OCABG patients (69% men, aged 59.2±8.2years) were enrolled...
February 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27864741/an-ultrasensitive-label-free-nanobiosensor-platform-for-the-detection-of-cardiac-biomarkers
#19
Durga Prakash Matta, Suryasnata Tripathy, Siva Rama Krishna Vanjari, Chandra Shekhar Sharma, Shiv Govind Singh
We report the fabrication of a label free nano biosensor platform comprising single nanofiber that is derived out of multi-walled carbon nanotubes (MWCNTs) embedded SU-8 photoresist, for the detection of three important human cardiac biomarkers viz., myoglobin (Myo), cardiac Troponin I (cTn I) and Creatine Kinase-MB (CK-MB). These composite nanofibers were synthesized using electrospinning process. Single nanofibers were aligned between pairs of electrodes in-situ during the electrospinning process. The target proteins were detected using chemiresistive detection methodology...
December 2016: Biomedical Microdevices
https://www.readbyqxmd.com/read/27861339/elevated-preoperative-hmgb1-as-predictor-of-myocardial-injury-post-percutaneous-coronary-intervention
#20
Peng Jin, Qi Zhou, Shujiang Song, Jinpeng Xu, Minli Zhang, Ming Zhu, Meili Kang, Xiangming Shi, Junting Shi, Di Lu, Jing Li
In this study, we evaluated the impact of preoperative high mobility group box 1 (HMGB1) on myocardial injury post-percutaneous coronary intervention.We evaluated 302 consecutive patients who underwent percutaneous coronary intervention. They were divided into equal tertiles based on their preoperative HMGB1 levels. Creatine kinase-MB and troponin I levels were measured at baseline, 8- and 24-hours after the procedure, while clinical outcomes were followed up for 1 year.The occurrence of post-procedural myocardial injury was significantly higher in the tertile comprising of patients with elevated HMGB1 levels...
November 2016: Medicine (Baltimore)
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