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Acute myocardial infarction

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https://www.readbyqxmd.com/read/27911381/a-novel-approach-for-the-administration-of-medications-and-fluids-in-emergency-scenarios-and-settings
#1
Akilesh Honasoge, Neal Lyons, Kathleen Hesse, Braden Parker, Robert Mokszycki, Kelly Wesselhoff, Rolla Sweis, Erik B Kulstad
The available routes of administration commonly used for medications and fluids in the acute care setting are generally limited to oral, intravenous, or intraosseous routes, but in many patients, particularly in the emergency or critical care settings, these routes are often unavailable or time-consuming to access. A novel device is now available that offers an easy route for administration of medications or fluids via rectal mucosal absorption (also referred to as proctoclysis in the case of fluid administration and subsequent absorption)...
November 9, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27910082/impact-of-the-presence-of-chronically-occluded-coronary-artery-on-long-term-prognosis-of-patients-with-acute-st-segment-elevation-myocardial-infarction
#2
Maciej Lesiak, Monika Cugowska, Aleksander Araszkiewicz, Marek Grygier, Małgorzata Pyda, Włodzimierz Skorupski, Przemysław Mitkowski, Magdalena Łanocha, Stefan Grajek
BACKGROUND: Multivessel disease (MVD) is a significant risk factor in patients with acute ST-segment elevation myocardial infarction (STEMI). Whether the presence of chronic total occlusion (CTO) poses an additional hazard is still unknown. The objective of this study was to evaluate the impact of CTO on survival in STEMI patients. METHODS: The study group consisted of 836 STEMI patients treated with primary percutaneous coronary intervention (PCI). MVD was diagnosed in 52...
December 2, 2016: Cardiology Journal
https://www.readbyqxmd.com/read/27910059/gene-therapy-for-post-infarction-ventricular-tachycardia
#3
J Kevin Donahue
Cardiac arrhythmias are a leading cause of morbidity and mortality in the developed world. In particular, cardiac arrest or sudden cardiac death is the leading cause of death in these countries. Death generally results from a ventricular tachyarrhythmia, and pathology data have shown that cardiac arrest victims very frequently have evidence of coronary atherosclerosis with either acute ischemia or healed myocardial infarction. In this work, we describe an animal model that reproducibly has inducible ventricular tachyarrhythmias after healing of a myocardial infarction scar and a gene delivery method that allows gene transfer to the scar and surrounding myocardial tissues...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910042/direct-cardiac-reprogramming-as-a-novel-therapeutic-strategy-for-treatment-of-myocardial-infarction
#4
Hong Ma, Li Wang, Jiandong Liu, Li Qian
Direct reprogramming of fibroblasts into induced cardiomyocytes (iCMs) holds great promise as a novel therapy for the treatment of heart failure, a common and morbid disease that is usually caused by irreversible loss of functional cardiomyocytes (CMs). Recently, we and others showed that in a murine model of acute myocardial infarction, delivery of three transcription factors, Gata4, Mef2c, and Tbx5 converted endogenous cardiac fibroblasts into functional iCMs. These iCMs integrated electrically and mechanically with surrounding myocardium, resulting in a reduction in scar size and an improvement in heart function...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909767/interventional-therapies-in-acute-myocardial-infarction-complicated-by-cardiogenic-shock
#5
S de Waha, S Desch, G Fuernau, J Pöss, J Ledwoch, A Jobs, I Eitel, H Thiele
Cardiogenic shock remains the most common cause of death in patients with acute myocardial infarction. Early revascularization of the infarct-related artery has been shown to reduce mortality and is the therapeutic cornerstone. The optimal revascularization strategy of additional non-culprit lesions remains yet to be determined. Further, uncertainties exist with respect to access site choice, antiplatelet regimen as well as mechanical support devices. This review outlines current evidence on the interventional management of cardiogenic shock complicating acute myocardial infarction...
December 1, 2016: Herz
https://www.readbyqxmd.com/read/27909643/source-control-and-graft-preservation-using-negative-pressure-wound-therapy-with-antibiotic-instillation-a-case-report
#6
Victoria Gilbert, Timothy Kelly, Robert Grossi
Negative pressure wound therapy (NPWT) is widely used to treat many types of complex wounds, and the advent of the instillation and dwell time (NPWTi-d) technique has enhanced this system with the addition of automated treatment with topical solutions. In the field of vascular surgery, NPWT is utilized to help close wounds over underlying grafts; however keeping these wounds free of infection and avoiding large reoperation when infection occurs remains a challenge. In this case report we present a patient who required acute intervention for limb ischemia, with a large wound created in the groin for anastomosis of a prosthetic graft bypass...
October 31, 2016: Curēus
https://www.readbyqxmd.com/read/27909469/value-of-the-wearable-cardioverter-defibrillator-wcd-as-a-bridging-therapy-before-implantation-of-a-cardioverter-defibrillator-icd
#7
REVIEW
Priv- Doz, Dr Johannes Sperzel
Wearable cardioverter defibrillators (WCD), initially available in 2002, have recently experienced more routine use in many institutions as a means of preventing sudden cardiac death (SCD) prior to implantable cardioverter defibrillator (ICD) evaluation or implantation. WCD differ from ICD by their noninvasive nature, making them well suited for patient populations who have a chance for significant cardiac recovery (such as after an acute myocardial infarction). Despite their noninvasive nature, WCD treatment of sustained ventricular tachyarrhythmias is highly successful...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909142/disease-activity-and-increased-risk-of-cardiovascular-death-among-patients-with-psoriatic-arthritis
#8
Kristina Juneblad, Solbritt Rantapää-Dahlqvist, Gerd-Marie Alenius
OBJECTIVE: Recent studies indicate increased cardiovascular (CV) morbidity and mortality in patients with psoriatic arthritis (PsA), but results are inconsistent. This prompted our investigation of the mortality rate, cause of death, and incidence of acute CV events in patients from northern Sweden with PsA. METHODS: Patients with established PsA (464) were included. To calculate standardized mortality ratio (SMR) and standardized incidence ratio (SIR) for CV events, data were extracted from the National Causes of Death Register and the National Inpatient Care Register in Sweden, and compared with the general population...
December 2016: Journal of Rheumatology
https://www.readbyqxmd.com/read/27907878/ultrasound-in-cardiac-trauma
#9
Theodosios Saranteas, Andreas F Mavrogenis, Christina Mandila, John Poularas, Fotios Panou
In the perioperative period, the emergency department or the intensive care unit accurate assessment of variable chest pain requires meticulous knowledge, diagnostic skills, and suitable usage of various diagnostic modalities. In addition, in polytrauma patients, cardiac injury including aortic dissection, pulmonary embolism, acute myocardial infarction, and pericardial effusion should be immediately revealed and treated. In these patients, arrhythmias, mainly tachycardia, cardiac murmurs, or hypotension must alert physicians to suspect cardiovascular trauma, which would potentially be life threatening...
November 5, 2016: Journal of Critical Care
https://www.readbyqxmd.com/read/27907128/fasa-registry-on-acute-myocardial-infarction-farmi-feasibility-study-and-pilot-phase-results
#10
Ehsan Bahramali, Alireza Askari, Habib Zakeri, Mojtaba Farjam, Azizallah Dehghan, Kazem Zendehdel
BACKGROUND: Myocardial infarction (MI) is the leading cause of death in Iran. Every attempt to improve treatment patterns and patient outcomes needs a surveillance system to both consider the efficacy and safety measures. Fasa Registry on Myocardial Infarction (FaRMI) is the first population-based registry for acute MI in Iran targeted to provide meticulous description of patients' characteristics, to explore the management patterns of these patients, to discover the degree of adherence to the practice guidelines, and to investigate the determinants of poor in-hospital and later outcomes...
2016: PloS One
https://www.readbyqxmd.com/read/27905989/the-histone-deacetylase-inhibitor-sodium-butyrate-exhibits-neuroprotective-effects-for-ischemic-stroke-in-middle-aged-female-rats
#11
Min Jung Park, Farida Sohrabji
BACKGROUND: Sodium butyrate (NaB) is a histone deacetylase (HDAC) inhibitor exhibiting anti-inflammatory and neuroprotective effects in a rat ischemic model of stroke as well as a myocardial ischemia model. Although clinical evidence shows that older women are at higher risk for stroke occurrence and greater stroke severity, no studies have evaluated the effectiveness of NaB either in females or in older animals. METHODS: To determine the effects of NaB on stroke in older females, acyclic middle-aged Sprague-Dawley female rats (9-11 months old, constant diestrus) were subject to middle cerebral artery occlusion (MCAo) by intracerebral injection of recombinant endothelin-1...
December 1, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27905474/inflammatory-processes-in-cardiovascular-disease-a-route-to-targeted-therapies
#12
REVIEW
Neil Ruparelia, Joshua T Chai, Edward A Fisher, Robin P Choudhury
Inflammatory processes are firmly established as central to the development and complications of cardiovascular diseases. Elevated levels of inflammatory markers have been shown to be predictive of future cardiovascular events. The specific targeting of these processes in experimental models has been shown to attenuate myocardial and arterial injury, reduce disease progression, and promote healing. However, the translation of these observations and the demonstration of clear efficacy in clinical practice have been disappointing...
December 1, 2016: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/27904669/astragaloside-iv-enhances-cardioprotection-of-remote-ischemic-conditioning-after-acute-myocardial-infarction-in-rats
#13
Songyi Cheng, Peng Yu, Li Yang, Haibo Shi, Anxia He, Hanyu Chen, Jie Han, Liang Xie, Jiandong Chen, Xiaohu Chen
BACKGROUND: Remote ischemic conditioning (RIC) has been shown to be a practical method for protecting the heart from ischemic/reperfusion (I/R) injury. In the present study, we investigated whether or not the combination of RIC and Astragaloside IV (AS-IV) could improve cardioprotection against acute myocardial infarction (AMI)-induced heart failure (HF) when compared with individual treatments. MATERIAL AND METHODS: A rat model of AMI was established via permanent ligation of the left anterior descending coronary artery (LAD)...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904524/integration-of-medical-therapy-and-mechanical-circulatory-support-in-the-management-of-acute-heart-failure
#14
Patrick Horn, Malte Kelm, Ralf Westenfeld
Acute heart failure is still characterized by poor prognosis with high mortality. Diagnosis is based on clinical symptoms and hemodynamic measurements. Early coronary revascularization in cardiogenic shock complicating myocardial infarction improves outcome. The further contemporary therapeutic options in the management of acute heart failure are limited to a merely symptomatic effect with relief of dyspnea, reduction of volume overload and improvement of hemodynamic parameters by vasodilators (in hypertension) or inotropic and vasopressor agents (in hypotension)...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27904510/correlation-between-plasma-angiopoietin-1-angiopoietin-2-and-matrix-metalloproteinase-2-in-coronary-heart-disease
#15
Haoyu Wu, Xiling Shou, Lei Liang, Congxia Wang, Xiaowei Yao, Gong Cheng
INTRODUCTION: Angiopoietin-2 (Ang-2) plays a critical role in inducing tumor cell infiltration, and this invasive phenotype is caused by up-regulation of matrix metalloproteinase (MMP)-2. The relationship between Ang-2 and MMP-2 in atherosclerosis has not been reported yet. The aim is to measure the plasma concentrations of Ang-1, Ang-2 and MMP-2 and assess the correlation between the concentrations of these factors in coronary heart disease (CHD) patients. MATERIAL AND METHODS: The testing was done in a cross-sectional study...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27904506/safety-and-efficacy-of-tenecteplase-versus-alteplase-in-acute-coronary-syndrome-a-systematic-review-and-meta-analysis-of-randomized-trials
#16
REVIEW
Alexandre Guillermin, David Jun Yan, Arnaud Perrier, Christophe Marti
INTRODUCTION: Alteplase and tenecteplase are two widely used thrombolytic agents and are both approved for the treatment of acute myocardial infarction. These two molecules have increased fibrin specificity compared with older thrombolytics but distinct pharmacokinetic properties and may differ in terms of risks and benefits. We decided to review the available evidence comparing the safety and efficacy of these two molecules in acute coronary syndrome (ACS) or pulmonary embolism (PE)...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27903616/immediate-rule-out-of-acute-myocardial-infarction-using-electrocardiogram-and-baseline-high-sensitivity-troponin-i
#17
Johannes Tobias Neumann, Nils Arne Sörensen, Francisco Ojeda, Tjark Schwemer, Jonas Lehmacher, Saskia Gönner, Nikolas Jarsetz, Till Keller, Sarina Schaefer, Thomas Renné, Ulf Landmesser, Peter Clemmensen, Nataliya Makarova, Renate B Schnabel, Tanja Zeller, Mahir Karakas, John W Pickering, Martin Than, William Parsonage, Jaimi Greenslade, Louise Cullen, Dirk Westermann, Stefan Blankenberg
AIMS: Serial measurements of high-sensitivity troponin are used to rule out acute myocardial infarction (AMI) with an assay specific cutoff at the 99th percentile. Here, we evaluated the performance of a single admission troponin with a lower cutoff combined with a low risk electrocardiogram (ECG) to rule out AMI. METHODS: Troponin I measured with a high-sensitivity assay (hs-TnI) was determined at admission in 1040 patients presenting with suspected AMI (BACC study)...
November 30, 2016: Clinical Chemistry
https://www.readbyqxmd.com/read/27903562/validity-of-self-reported-myocardial-infarction-and-stroke-in-regions-with-sami-and-norwegian-populations-the-saminor-1-survey-and-the-cvdnor-project
#18
Bent-Martin Eliassen, Marita Melhus, Grethe S Tell, Kristin Benjaminsen Borch, Tonje Braaten, Ann Ragnhild Broderstad, Sidsel Graff-Iversen
OBJECTIVE: Updated knowledge on the validity of self-reported myocardial infarction (SMI) and self-reported stroke (SRS) is needed in Norway. Our objective was to compare questionnaire data and hospital discharge data from regions with Sami and Norwegian populations to assess the validity of these outcomes by ethnicity, sex, age and education. DESIGN: Validation study using cross-sectional questionnaire data and hospital discharge data from all Norwegian somatic hospitals...
November 30, 2016: BMJ Open
https://www.readbyqxmd.com/read/27903536/persistent-microvascular-obstruction-after-myocardial-infarction-culminates-in-the-confluence-of-ferric-iron-oxide-crystals-proinflammatory-burden-and-adverse-remodeling
#19
Avinash Kali, Ivan Cokic, Richard Tang, Alice Dohnalkova, Libor Kovarik, Hsin-Jung Yang, Andreas Kumar, Frank S Prato, John C Wood, David Underhill, Eduardo Marbán, Rohan Dharmakumar
BACKGROUND: Emerging evidence indicates that persistent microvascular obstruction (PMO) is more predictive of major adverse cardiovascular events than myocardial infarct (MI) size. But it remains unclear how PMO, a phenomenon limited to the acute/subacute period of MI, drives adverse remodeling in chronic MI setting. We hypothesized that PMO resolves into chronic iron crystals within MI territories, which in turn are proinflammatory and favor adverse remodeling post-MI. METHODS AND RESULTS: Canines (n=40) were studied with cardiac magnetic resonance imaging to characterize the spatiotemporal relationships among PMO, iron deposition, infarct resorption, and left ventricular remodeling between day 7 (acute) and week 8 (chronic) post-MI...
November 2016: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/27903475/technical-aspects-of-open-repair-for-degenerative-aneurysmal-evolution-despite-early-thoracic-endovascular-repair-of-type-b-aortic-dissection
#20
Sonia Aguir, Salma El Batti, Paul Achouh, Pierre Julia, Alain Bel, Jean-Noël Fabiani, Jean-Marc Alsac
: Closure of the proximal tear by Thoracic Endovascular Aortic Repair (TEVAR) at the acute phase appears to be an safe effective treatment to prevent aneurysmal degeneration type B dissection. However, it appears to be inefficient in up to a third of the patient. We report the technical aspects of our experience with patients undergoing secondary open repair after TEVAR for dissecting thoraco-abdominal aneurysm despite early closure proximal tear by TEVAR. METHODS: During a period of 5 years, 96 patients presenting acute Type B Aortic Dissections (TBAD) were treated by TEVAR and followed-up in our institution...
November 26, 2016: Annals of Vascular Surgery
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