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https://www.readbyqxmd.com/read/28292587/diagnosis-of-perioperative-myocardial-infarction-after-heart-valve-surgery-with-new-cut-off-point-of-high-sensitivity-troponin-t-and-new-electrocardiogram-or-echocardiogram-changes
#1
Héctor Cubero-Gallego, Mario Lorenzo, María Heredia, Itziar Gómez, Eduardo Tamayo
OBJECTIVE: Criteria for diagnosing myocardial infarction (MI) after heart valve surgery are not collected in the Third Universal Definition of MI. We aimed to define cut-offs for high-sensitivity cardiac troponin T (hs-cTnT) and creatine kinase-MB (CK-MB) for the diagnosis of perioperative MI after heart valve surgery according to perioperative MI determined by new alterations in electrocardiogram (ECG) and/or transthoracic echocardiogram (TTE). Secondary endpoints were incidence of perioperative MI, postoperative complications, 30-day mortality, and 2-year survival...
February 14, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28287295/-differential-diagnostic-dilemmas-after-use-of-an-out-of-date-antihypertensive-medication-case-report
#2
Péter Arányi, János Tomcsányi
Hydrochlorothiazide became one of the most commonly prescribed first-line antihypertensive medication, though its use is often complicated with serious side-effects. A 66-year-old female patient with a history of hypertension had suffered a transient loss of consciousness, and referred to our cardiology unit with an ST-segment elevation and giant negative T-waves in V1-2 ECG leads, long QT-segment and elevated serum creatine-kinase (5392 U/L) and troponin I (4,357 ng/ml) levels. Acute myocardial infarction was not proven (later coronarography revealed preserved coronary circulation), but severe hyponatraemia and hypokalaemia was detected, explaining a possible symptomatic seizure, and which could be accounted for a 25 mg daily hydrochlorothiazide antihypertensive treatment and - as a precipitating insult - a one-week history of gastroenteritis...
March 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28281270/liposome-enhanced-lateral-flow-assays-for-clinical-analyses
#3
Katie A Edwards, Ricki Korff, Antje J Baeumner
Clinical and environmental analyses frequently necessitate rapid, simple, and inexpensive point-of-care or field tests. These semiquantitative tests may be later followed up by confirmatory laboratory-based assays, but provide an initial scenario assessment important for resource mobilization and threat confinement. Lateral-flow assays (LFAs) and dip-stick assays, which are typically antibody-based and yield a visually detectable signal, provide an assay format suiting these applications extremely well. Signal generation is commonly obtained through the use of colloidal gold or latex beads, which yield a colored band either directly proportional or inversely proportional to the concentration of the analyte of interest...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28277146/efficacy-of-gold-nanoparticles-against-isoproterenol-induced-acute-myocardial-infarction-in-adult-male-albino-rats
#4
Samah M Ahmed, Shaimaa Ali Abdelrahman, Alaa Elsayed Salama
This study was undertaken to investigate the role of gold nanoparticles (GNPs) of 50 nm diameter on isoproterenol (ISO) induced acute myocardial infarction in adult male albino rats. Forty five adult Wistar male albino rats were equally divided into three groups. Control (group I) was further subdivided into three subgroups. In group II, the rats received ISO subcutaneously at a dose of 100 mg/kg for three days. In group III, rats received ISO as group II and then GNPs (400 μg/kg/day) intravenously for 14 consecutive days...
March 1, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28274156/folic-acid-ameliorates-celecoxib-cardiotoxicity-in-a-doxorubicin-heart-failure-rat-model
#5
Shafique Ahmad, Bibhu Prasad Panda, Kanchan Kohli, Mohammad Fahim, Kiran Dubey
CONTEXT: The cardiotoxic effect of selective cyclo-oxygenase-2 inhibitors is well known. While rofecoxib and valdecoxib have been withdrawn, celecoxib remains on the market. Folic acid, a naturally occurring vitamin, has been shown to reduce myocardial ischemia and post-reperfusion injury in rats. OBJECTIVE: This study examined the cardiac effects of celecoxib and folic acid on doxorubicin-induced cardiomyopathy in rats. MATERIALS AND METHODS: Cardiomyopathy was induced in male Wistar rats with six intraperitoneal injections of 2...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28272470/meta-analysis-of-remote-ischemic-conditioning-in-patients-with-acute-myocardial-infarction
#6
Changfeng Man, Dandan Gong, Yongjing Zhou, Yu Fan
Effects of remote ischemic conditioning (RIC) in acute myocardial infarction (AMI) patients remain conflicting. We performed this meta-analysis of randomized clinical trials (RCTs) to evaluate the benefits of the RIC in patients with AMI. Potentially relevant RCTs were identified by searching PubMed, Embase, Cochrane Library, VIP, CNKI, and Wanfang database until November 2016. RCTs evaluating RIC using intermittent limb ischemia-reperfusion in AMI patients were included. Thirteen RCTs were identified and analyzed...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28263233/cardiotoxic-arrhythmogenic-effects-of-1-1-difluoroethane-due-to-electrolyte-imbalance-and-cardiomyocyte-damage
#7
Kaushal Joshi, Michael Barletta, John Wurpel
Inhalant abuse is the intentional inhalation of chemical vapors to attain euphoric effects. Many common household products are abused by inhalation and one is 1,1-difluoroethane (DFE), which is a halogenated hydrocarbon used in refrigeration, dust-off spray, and airbrush painting. Although many human DFE abuse cases have been studied, the etiology and mechanism of sudden death is still unknown. In this study, an animal model was used to simulate the human conditions of DFE inhalation abuse that results in sudden death...
March 3, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28259141/comparison-of-the-myocardial-protective-effect-of-sevoflurane-versus-propofol-in-patients-undergoing-heart-valve-replacement-surgery-with-cardiopulmonary-bypass
#8
Xiao-Lin Yang, Dan Wang, Guo-Yuan Zhang, Xiao-Lan Guo
BACKGROUND: This study aimed to compare myocardial protective effects of anaesthesia with intravenous infusion of propofol versus inhalation of sevoflurane in patients undergoing heart valve replacement surgery with cardiopulmonary bypass. METHODS: Seventy-six patients undergoing valve replacement with cardiopulmonary bypass were randomly assigned to propofol or sevoflurane anesthesia during the surgery, respectively. For assessing myocardial injury, cardiac troponin I (cTnI) and creatine kinase isozyme (CK-MB) were determined before induction (T0), 0...
March 4, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28246176/effect-of-intralipid-postconditioning-on-myocardial-injury-in-patients-undergoing-valve-replacement-surgery-a-randomised-controlled-trial
#9
Rong-Hua Zhou, Hui Yu, Xiao-Rong Yin, Qi Li, Hong Yu, Hai Yu, Chan Chen, Ji-Yue Xiong, Zhen Qin, Ming Luo, Zhao-Xia Tan, Ting Liu
OBJECTIVE: This study was conducted to determine whether the administration of intralipid just before aortic cross-unclamping would reduce myocardial injury in patients undergoing valve replacement surgery. METHODS: Seventy-three adult patients, scheduled for elective aortic or mitral valve surgery without significant coronary stenosis (>70%), were randomly assigned to the intralipid postconditioning (ILPC) group (n=37) or control group (n=36): the ILPC group received an intravenous infusion of 20% intralipid (2 mL/kg) just 10 min before aortic cross-unclamping, and the control group received an equivalent volume of normal saline...
February 28, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28229640/effect-of-cerebrolysin-on-oxidative-stress-induced-apoptosis-in-an-experimental-rat-model-of-myocardial-ischemia
#10
V Boshra, A Atwa
Apoptosis plays a role in the process of tissue damage after myocardial infarction (MI). This study was designed to investigate the possible effect of cerebrolysin against apoptosis triggered by oxidative cell stress in myocardial ischemia induced by isoproterenol in rat. Rats were pretreated with cerebrolysin 5 mL/kg intraperitoneally for 7 days and intoxicated with isoproterenol (ISO, 85 mg/kg, sc) on the last 2 days. Hearts were excised and stained to detect the infarction size. Serum levels of cardiotoxicity indices as creatine kinase isoenzyme (CK-MB) and troponin I (cTnI) as well as the cardiac oxidative stress parameters as thiobarbituric acid reactive substances and superoxide dismutase were estimated...
September 2016: Physiol Int
https://www.readbyqxmd.com/read/28214082/effect-of-remote-ischemia-or-nicorandil-on-myocardial-injury-following-percutaneous-coronary-intervention-in-patients-with-stable-coronary-artery-disease-a-randomized-controlled-trial
#11
Toru Miyoshi, Kentaro Ejiri, Kunihisa Kohno, Makoto Nakahama, Masayuki Doi, Mitsuru Munemasa, Masaaki Murakami, Atsushi Takaishi, Yusuke Kawai, Tetsuya Sato, Katsumasa Sato, Takefumi Oka, Natsuki Takahashi, Satoru Sakuragi, Atsushi Mima, Kenki Enko, Shingo Hosogi, Seiji Nanba, Ryoichi Hirami, Kazufumi Nakamura, Hiroshi Ito
BACKGROUND: The effect of remote ischemic preconditioning (RIPC) and nicorandil on periprocedural myocardial injury (pMI) in patients with planned percutaneous coronary intervention (PCI) remains controversial. The aim of this randomized trial was to evaluate the effect of RIPC or nicorandil on pMI following PCI in patients with stable coronary artery disease (CAD) compared with a control group. METHODS: Patients with stable CAD who planned to undergo PCI were assigned to a 1:1:1 ratio to control, RIPC, or intravenous nicorandil (6mg/h)...
February 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28208842/assessment-of-serum-vaspin-levels-among-type-2-diabetes-mellitus-patients-with-or-without-acute-coronary-syndrome
#12
Aswathy Jaya Sathyaseelan, Prashant Shankarrao Adole, Mukta Wyawahare, Rama Prakasha Saya
INTRODUCTION: Type 2 Diabetes Mellitus (DM) is on the verge of becoming a pandemic in India. Type 2 DM patient have two to four times increased risk of carotid artery disease. Adipokines have been regarded recently as direct link between diabetes and atherosclerosis. Visceral Adipose Tissue Derived Serine Protease Inhibitor (VASPIN); one of the most recently discovered adipokine, inhibits the proteases responsible for insulin resistance, carotid plaque development and rupture. In literature, few studies have addressed the role of VASPIN in pathogenesis of Acute Coronary Syndrome (ACS) in patients with type 2 DM...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207428/il-37-ameliorates-coxsackievirus-b3-induced-viral-myocarditis-by-modulating-the-th17-treg-immune-response
#13
Bang An, Xuefei Liu, Ge Li, Haitao Yuan
Myocarditis is a heterogeneous group of disorders defined by inflammation of the heart muscle with an excessively activated immune response. Numerous interventions have been investigated for the treatment of myocarditis while success is limited. Interleukin-37 (IL-37), a novel member of the IL-1 cytokine family, is a natural inhibitor of innate immunity associated with autoimmune diseases. However, the modulatory effect of IL-37 in myocarditis is unknown. In this study, we investigated the immunological regulation of IL-37 in the coxsackievirus B3-induced model of murine viral myocarditis...
February 14, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28203406/effects-of-recombinant-human-brain-natriuretic-peptide-on-the-prognosis-of-patients-with-acute-anterior-myocardial-infarction-undergoing-primary-percutaneous-coronary-intervention-a-prospective-multi-center-randomized-clinical-trial
#14
Zhi-Lin Miao, Ai-Jie Hou, Hong-Yun Zang, Ru-Gang Huang, Xiao-Qun Zheng, Hai-Long Lin, Wei Wang, Ping Hou, Fei Xia, Zhan-Quan Li
BACKGROUND: This study aims to investigate the effects of recombinant human brain natriuretic peptide (rhBNP) on serum enzyme data, cardiac function parameters and cardiovascular events in patients with acute anterior myocardial infarction (MI). METHODS: A total of 421 patients with acute anterior or extensive anterior MI were collected from 20 hospitals. These patients were randomly divided into two groups: rhBNP and control groups. Both groups of patients received primary percutaneous coronary intervention (PCI) within the effective time window...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28178154/significant-elevation-of-biomarkers-of-myocardial-necrosis-after-coronary-artery-bypass-grafting-without-myocardial-infarction-established-assessed-by-cardiac-magnetic-resonance
#15
Leandro Menezes Alves da Costa, Whady Hueb, Cesar Higa Nomura, Alexandre Ciappina Hueb, Alexandre Volney Villa, Fernando Teiichi Costa Oikawa, Rodrigo Morel Vieira de Melo, Paulo Cury Rezende, Carlos Alexandre Wainrober Segre, Cibele Larrosa Garzillo, Eduardo Gomes Lima, Jose Antonio Franchini Ramires, Roberto Kalil Filho
The release of myocardial necrosis biomarkers after off-pump coronary artery bypass grafting (OPCAB) frequently occurs. However, the correlation between biomarker release and the diagnosis of procedure-related myocardial infarction (MI) (type 5) has been controversial. This study aimed to evaluate the amount and pattern of cardiac biomarker release after elective OPCAB in patients without evidence of a new MI on cardiac magnetic resonance (CMR) imaging with late gadolinium enhancement (LGE).Patients with normal baseline cardiac biomarkers referred for elective OPCAB were prospectively included...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28164501/circulating-mir-208b-a-potentially-sensitive-and-reliable-biomarker-for-the-diagnosis-and-prognosis-of-acute-myocardial-infarction
#16
Xiaoxiao Liu, Ling Yuan, Fang Chen, Lizhu Zhang, Xi Chen, Chengjian Yang, Zhijun Han
BACKGROUND: MicroRNAs are present in human plasma and have been reported to be biomarkers for cardiovascular diseases. The aim of this study was to investigate the value of circulating microRNA-208b (miR-208b) for the diagnosis and prognosis of acute myocardial infarction (AMI). METHODS: A total of 100 AMI patients, 80 unstable angina (UA) patients, and 80 healthy controls (HCs) were consecutively included in this study. Plasma was collected from each participant on admission, and the levels of circulating miR-208b were measured using reverse transcription-polymerase chain reaction (RT-PCR)...
January 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28143401/acute-kidney-injury-induces-high-sensitivity-troponin-measurement-changes-after-cardiac-surgery
#17
Amr S Omar, Khaled Mahmoud, Samy Hanoura, Hany Osman, Praveen Sivadasan, Suraj Sudarsanan, Yasser Shouman, Rajvir Singh, Abdulaziz AlKhulaifi
BACKGROUND: The value of cardiac troponin as a risk assessment tool for cardiac disease in the setting of end-stage renal diseases (ESRD) is not equivalent to its value in those with normal renal function. This consideration had not been studied in settings of acute kidney injury (AKI). We aim to explore the diagnostic value of high sensitive troponin T (hsTnT) in the settings of cardiac surgery-induced AKI. METHODS: Single center observational retrospective study...
January 31, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28138403/clozapine-in-a-patient-with-treatment-resistant-schizophrenia-and-hypertrophic-cardiomyopathy-a-case-report
#18
Asiel Yair Adan Sanchez, Jessica J Foster, Carla M Plymen, Sukhi Shergill
BACKGROUND: There is currently limited experience in the initiation and maintenance of clozapine for treatment-resistant psychosis in adults with established structural heart disease. These complex patients require close supervision and liaison between colleagues. Here we present the successful experience of treating one such patient within our service and describe a monitoring plan to ensure that these treatments can be provided both safely and effectively. CASE PRESENTATION: A 36-year-old man with treatment-resistant schizophrenia and known hypertrophic cardiomyopathy (HCM) was admitted to a specialist unit for a trial of clozapine...
November 2016: BJPsych Open
https://www.readbyqxmd.com/read/28131843/inhibition-of-drp1-attenuates-mitochondrial-damage-and-myocardial-injury-in-coxsackievirus-b3-induced-myocarditis
#19
Lin Lin, Ming Zhang, Rui Yan, Hu Shan, Jiayu Diao, Jin Wei
Viral myocarditis (VMC) is closely related to apoptosis, oxidative stress, innate immunity, and energy metabolism, which are all linked to mitochondrial dysfunction. A close nexus between mitochondrial dynamics and cardiovascular disease with mitochondrial dysfunction has been deeply researched, but there is still no relevant report in viral myocarditis. In this study, we aimed to explore the role of Dynamin-related protein 1 (Drp1)-linked mitochondrial fission in VMC. Mice were inoculated with the Coxsackievirus B3 (CVB3) and treated with mdivi1 (a Drp1 inhibitor)...
March 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28130575/modulation-of-cyclophosphamide-induced-cardiotoxicity-by-methyl-palmitate
#20
Dina S El-Agamy, Mohamed A Elkablawy, Hany M Abo-Haded
PURPOSE: Cyclophosphamide (CP) is a frequently used anticancer and immunosuppressant although its use has been associated with severe cardiotoxicity. The present study examined the ability of methyl palmitate (MP) to counteract CP-induced cardiotoxicity. METHODS: Adult male Wistar rats were divided into four groups. The first one served as control while the second received a single injection of CP (200 mg/kg, i.p.). The other two groups were administered MP at two different dose levels (300, 400 mg/kg) for 10 days before and 7 days after CP single injection...
February 2017: Cancer Chemotherapy and Pharmacology
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