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Cardiac emergency medicine

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https://www.readbyqxmd.com/read/28522145/wnt-signaling-a-novel-pathway-regulating-blood-pressure-state-of-the-art-review
#1
REVIEW
Maen D Abou Ziki, Arya Mani
Recent antihypertensive trials show conflicting results on blood pressure (BP) targets in patient populations with different metabolic profiles, with lowest benefit from tight BP control observed in patients with type 2 diabetes mellitus. This paradox could arise from the heterogeneity of study populations and underscores the importance of precision medicine initiatives towards understanding and treating hypertension. Wnt signaling pathways and genetic variations in its signaling peptides have been recently associated with metabolic syndrome, hypertension and diabetes, generating a breakthrough for advancement of precision medicine in the field of hypertension...
May 4, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28515341/bet-bromodomain-inhibition-suppresses-innate-inflammatory-and-profibrotic-transcriptional-networks-in-heart-failure
#2
Qiming Duan, Sarah McMahon, Priti Anand, Hirsh Shah, Sean Thomas, Hazel T Salunga, Yu Huang, Rongli Zhang, Aarathi Sahadevan, Madeleine E Lemieux, Jonathan D Brown, Deepak Srivastava, James E Bradner, Timothy A McKinsey, Saptarsi M Haldar
Despite current standard of care, the average 5-year mortality after an initial diagnosis of heart failure (HF) is about 40%, reflecting an urgent need for new therapeutic approaches. Previous studies demonstrated that the epigenetic reader protein bromodomain-containing protein 4 (BRD4), an emerging therapeutic target in cancer, functions as a critical coactivator of pathologic gene transactivation during cardiomyocyte hypertrophy. However, the therapeutic relevance of these findings to human disease remained unknown...
May 17, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28512290/evolution-of-drug-resistant-acinetobacter-baumannii-after-dcd-renal-transplantation
#3
Hong Jiang, Luxi Cao, Lihui Qu, Tingting Qu, Guangjun Liu, Rending Wang, Bingjue Li, Yuchen Wang, Chaoqun Ying, Miao Chen, Yingying Lu, Shi Feng, Yonghong Xiao, Junwen Wang, Jianyong Wu, Jianghua Chen
Infection after renal transplantation remains a major cause of morbidity and death, especially infection from the extensively drug-resistant bacteria, A. baumannii. A total of fourteen A. baumannii isolates were isolated from the donors' preserved fluid from DCD (donation after cardiac death) renal transplantation and four isolates in the recipients' draining liquid at the Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, from March 2013 to November 2014. An outbreak of A...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28501384/acute-heart-failure-in-the-emergency-department-the-safe-simeu-epidemiological-study
#4
Andrea Fabbri, Giulio Marchesini, Giorgio Carbone, Roberto Cosentini, Annamaria Ferrari, Mauro Chiesa, Alessio Bertini, Federico Rea
BACKGROUND: Patients with acute heart failure (AHF) have high rates of attendance to emergency departments (EDs), with significant health care costs. OBJECTIVES: We aimed to describe the clinical characteristics of patients attending Italian EDs for AHF and their diagnostic and therapeutic work-up. METHODS: We carried out a retrospective analysis on 2683 cases observed in six Italian EDs for AHF (January 2011 to June 2012). RESULTS: The median age of patients was 84 years (interquartile range 12), with females accounting for 55...
May 10, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28497823/natural-products-modulating-the-herg-channel-heartaches-and-hope
#5
REVIEW
Jadel M Kratz, Ulrike Grienke, Olaf Scheel, Stefan A Mann, Judith M Rollinger
Covering: 1996-December 2016The human Ether-à-go-go Related Gene (hERG) channel is a voltage-gated potassium channel playing an essential role in the normal electrical activity in the heart. It is involved in the repolarization and termination of action potentials in excitable cardiac cells. Mutations in the hERG gene and hERG channel blockage by small molecules are associated with increased risk of fatal arrhythmias. Several drugs have been withdrawn from the market due to hERG channel-related cardiotoxicity...
May 12, 2017: Natural Product Reports
https://www.readbyqxmd.com/read/28493596/overcoming-the-tower-of-babel-in-medical-science-by-finding-the-equator-research-reporting-guidelines
#6
Christopher R Carpenter, Zachary F Meisel
You are hosting a journal club on chest pain management in the emergency department (ED) for colleagues and trainees in your department. Interested in understanding the history of cardiac biomarkers to evaluate ED patients with chest pain, you search PubMed using the combination of terms "cardiac biomarker", "chest pain", and "emergency department". Your search nets no studies prior to 2002 which you doubt is accurate, so you take the old-fashioned approach and start flipping through the oldest issues of emergency medicine journals at your local medical school library...
May 11, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28474324/role-of-imaging-in-cardio-oncology
#7
REVIEW
Erick Avelar, Caitlin R Strickland, Guido Rosito
Recent advances in cancer treatment and research have greatly improved survival rates for patients with cancer. However, many of these cancer survivors are developing cardiac disease-most commonly heart failure as a result of this treatment. Certain chemotherapeutic agents, including anthracyclines and trastuzumab, have been linked to cardiotoxicity-induced cardiomyopathy in cancer patients. It has been reported as early as during infusion and as late as several years following treatment. Radiation therapy, particularly to the left breast, has also been linked to cardiac disease...
June 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28474097/advanced-hemodynamic-monitoring-in-intensive-care-medicine-a%C3%A2-german-web-based-survey-study
#8
B Saugel, P C Reese, J Y Wagner, M Buerke, W Huber, S Kluge, R Prondzinsky
BACKGROUND: Advanced hemodynamic monitoring is recommended in patients with complex circulatory shock. OBJECTIVES: To evaluate the current attitudes and beliefs among German intensivists, regarding advanced hemodynamic monitoring, the actual hemodynamic management in clinical practice, and the barriers to using it. MATERIALS AND METHODS: Web-based survey among members of the German Society of Medical Intensive Care and Emergency Medicine. RESULTS: Of 284 respondents, 249 (87%) agreed that further hemodynamic assessment is needed to determine the type of circulatory shock if no clear clinical diagnosis can be made...
May 4, 2017: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/28471759/advancing-the-science-of-myocardial-recovery-with-mechanical-circulatory-support-a-working-group-of-the-national-heart-lung-and-blood-institute
#9
Stavros G Drakos, Francis D Pagani, Martha S Lundberg, J Timothy Baldwin
The medical burden of heart failure (HF) has spurred interest in clinicians and scientists to develop therapies to restore the function of a failing heart. To advance this agenda, the National Heart, Lung, and Blood Institute (NHLBI) convened a Working Group of experts from June 2 to 3, 2016, in Bethesda, Maryland, to develop NHLBI recommendations aimed at advancing the science of cardiac recovery in the setting of mechanical circulatory support (MCS). MCS devices effectively reduce volume and pressure overload that drives the cycle of progressive myocardial dysfunction, thereby triggering structural and functional reverse remodeling...
April 29, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28463098/when-is-a-cardiac-arrest-non-cardiac
#10
Ryan M Carter, David C Cone
Introduction While the overall survival rate for out-of-hospital cardiac arrest (OHCA) is low, ranging from 5%-10%, several characteristics have been shown to decrease mortality, such as presence of bystander cardiopulmonary resuscitation (CPR), witnessed vs unwitnessed events, and favorable initial rhythm (VF/VT). More recently, studies have shown that modified CPR algorithms, such as chest-compression only or cardio-cerebral resuscitation, can further increase survival rates in OHCA. Most of these studies have included only OHCA patients with "presumed cardiac etiology," on the assumption that airway management is of lesser impact than chest compressions in these patients...
May 2, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28459402/-effect-of-different-transpulmonary-pressures-guided-mechanical-ventilation-on-respiratory-and-hemodynamics-of-patients-with-ards-a-prospective-randomized-controlled-trial
#11
Jianqiu Li, Zhihui Luo, Xiaolei Li, Zhongyi Huang, Jie Han, Zifeng Li, Zhaoxiong Zhou, Houwang Chen
OBJECTIVE: To assess the effect of different transpulmonary pressures (Ptp) guided mechanical ventilation (MV) on respiratory function and hemodynamics parameters of patients with acute respiratory distress syndrome (ARDS), and to find out a more optimized Ptp. METHODS: A prospective randomized controlled trial (RCT) was conducted. The ventilated patients with ARDS admitted to Department of Critical Care Medicine (ICU) of Shenzhen Shajing Affiliated Hospital of Guangzhou Medical University and Department of Emergency and Critical Care Medicine (EICU) of Shenzhen Hospital of South Medical University from February 2013 to August 2016 were enrolled...
January 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28433665/advancing-the-science-of-myocardial-recovery-with-mechanical-circulatory-support-a-working-group-of-the-national-heart-lung-and-blood-institute
#12
Stavros G Drakos, Francis D Pagani, Martha S Lundberg, J Timothy Baldwin
The medical burden of heart failure (HF) has spurred interest in clinicians and scientists to develop therapies to restore the function of a failing heart. To advance this agenda, the National Heart, Lung, and Blood Institute (NHLBI) convened a Working Group of experts on June 2-3, 2016, in Bethesda, Maryland, to develop recommendations for the NHLBI aimed at advancing the science of cardiac recovery in the setting of mechanical circulatory support (MCS). MSC devices effectively reduce volume and pressure overload that drives the cycle of progressive myocardial dysfunction, thereby triggering structural and functional reverse remodeling...
May 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28418441/an-integrated-anti-arrhythmic-target-network-of-a-chinese-medicine-compound-wenxin-keli-revealed-by-combined-machine-learning-and-molecular-pathway-analysis
#13
Taiyi Wang, Ming Lu, Qunqun Du, Xi Yao, Peng Zhang, Xiaonan Chen, Weiwei Xie, Zheng Li, Yuling Ma, Yan Zhu
Wenxin Keli (WK), a Chinese patent medicine, is known to be effective against cardiac arrhythmias and heart failure. Although a number of electrophysiological findings regarding its therapeutic effect have been reported, the active components and system-level characterizations of the component-target interactions of WK have yet to be elucidated. In the current study, we present the first report of a new protective effect of WK on suppressing anti-arrhythmic-agent-induced arrhythmias. In a model of isolated guinea pig hearts, rapid perfusion of quinidine altered the heart rate and prolonged the Q-T interval...
May 2, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28396082/pregnancy-related-spontaneous-coronary-artery-dissection-a%C3%A2-case-series-and-literature-review
#14
Emily Rose, Maheedhar Gedela, Nathan Miller, Paul L Carpenter
BACKGROUND: Cardiac emergencies during pregnancy are rare but have significant associated morbidity and mortality when they do occur. The emergency physician must not only be aware of potentially life-threatening conditions in the pregnant woman, but also know the emergent management and treatment of these conditions to avoid worsening of the underlying condition. Pregnancy-related spontaneous coronary artery dissection has been described in the cardiology literature, but is not well-known in emergency medicine literature...
April 7, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28367012/the-2017-international-joint-working-group-recommendations-of-the-indian-college-of-cardiology-the-academic-college-of-emergency-experts-and-indusem-on-the-management-of-low-risk-chest-pain-in-emergency-departments-across-india
#15
Vivek Chauhan, Pavitra Kotini Shah, Sagar Galwankar, Maura Sammon, Prabhakar Hosad, Beeresha, Timothy B Erickson, David F Gaieski, Joydeep Grover, Anupama V Hegde, Terry Vanden Hoek, Bhavesh Jarwani, Himanshu Kataria, Kenneth A LaBresh, Cholenahally Nanjappa Manjunath, A C Nagamani, Anjali Patel, Ketan Patel, D Ramesh, R Rangaraj, Narendra Shamanur, L Sridhar, K H Srinivasa, Shweta Tyagi
There have been no published recommendations for the management of low-risk chest pain in emergency departments (EDs) across India. This is despite the fact that chest pain continues to be one of the most common presenting complaints in EDs. Risk stratification of patients utilizing an accelerated diagnostic protocol has been shown to decrease hospitalizations by approximately 40% with a low 30-day risk of major adverse cardiac events. The experts group of academic leaders from the Indian College of Cardiology and Academic College of Emergency Experts in India partnered with academic experts in emergency medicine and cardiology from leading institutions in the UK and USA collaborated to study the scientific evidence and make recommendations to guide emergency physicians working in EDs across India...
April 2017: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/28362413/assessing-cardiomyocyte-subtypes-following-transcription-factor-mediated-reprogramming-of-mouse-embryonic-fibroblasts
#16
Antonio Fernandez-Perez, Nikhil V Munshi
Direct reprogramming of one cell type into another has recently emerged as a powerful paradigm for regenerative medicine, disease modeling, and lineage specification. In particular, the conversion of fibroblasts into induced cardiomyocyte-like myocytes (iCLMs) by Gata4, Hand2, Mef2c, and Tbx5 (GHMT) represents an important avenue for generating de novo cardiac myocytes in vitro and in vivo. Recent evidence suggests that GHMT generates a greater diversity of cardiac subtypes than previously appreciated, thus underscoring the need for a systematic approach to conducting additional studies...
March 22, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28357026/novel-noninvasive-nuclear-medicine-imaging-techniques-for-cardiac-inflammation
#17
REVIEW
Malte Kircher, Constantin Lapa
PURPOSE OF REVIEW: Inflammation is a key player in a wide range of cardiovascular and myocardial diseases. Given the numerous implications of inflammatory processes in disease initiation and progression, functional imaging modalities including positron emission tomography (PET) represent valuable diagnostic, prognostic, and monitoring tools in patient management. Since increased glucose metabolism is a hallmark of inflammation, PET using the radiolabeled glucose analog [(18)F]-2-deoxy-2-fluoro-d-glucose (FDG) is the mainstay diagnostic test for nuclear imaging of (cardiac) inflammation...
2017: Current Cardiovascular Imaging Reports
https://www.readbyqxmd.com/read/28329355/international-recommendations-for-electrocardiographic-interpretation-in-athletes
#18
Sanjay Sharma, Jonathan A Drezner, Aaron Baggish, Michael Papadakis, Mathew G Wilson, Jordan M Prutkin, Andre La Gerche, Michael J Ackerman, Mats Borjesson, Jack C Salerno, Irfan M Asif, David S Owens, Eugene H Chung, Michael S Emery, Victor F Froelicher, Hein Heidbuchel, Carmen Adamuz, Chad A Asplund, Gordon Cohen, Kimberly G Harmon, Joseph C Marek, Silvana Molossi, Josef Niebauer, Hank F Pelto, Marco V Perez, Nathan R Riding, Tess Saarel, Christian M Schmied, David M Shipon, Ricardo Stein, Victoria L Vetter, Antonio Pelliccia, Domenico Corrado
Sudden cardiac death (SCD) is the leading cause of mortality in athletes during sport. A variety of mostly hereditary, structural, or electrical cardiac disorders are associated with SCD in young athletes, the majority of which can be identified or suggested by abnormalities on a resting 12-lead electrocardiogram (ECG). Whether used for diagnostic or screening purposes, physicians responsible for the cardiovascular care of athletes should be knowledgeable and competent in ECG interpretation in athletes. However, in most countries a shortage of physician expertise limits wider application of the ECG in the care of the athlete...
February 20, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28320450/antiarrhythmic-drugs-for-out-of-hospital-cardiac-arrest-with-refractory-ventricular-fibrillation
#19
REVIEW
Takashi Tagami, Hideo Yasunaga, Hiroyuki Yokota
This article is one of ten reviews selected from the Annual Update in Intensive Care and Emergency medicine 2017. Other selected articles can be found online at http://ccforum.com/series/annualupdate2017 . Further information about the Annual Update in Intensive Care and Emergency Medicine is available from http://www.springer.com/series/8901 .
March 21, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28297574/bioactive-lipids-and-circulating-progenitor-cells-in-patients-with-cardiovascular-disease
#20
Salim S Hayek, Yuri Klyachkin, Ahmed Asfour, Nima Ghasemzadeh, Mosaab Awad, Iraj Hesaroieh, Hina Ahmed, Brandon Gray, Jinhee Kim, Edmund K Waller, Arshed A Quyyumi, Ahmed K Abdel-Latif
Bone marrow-derived progenitor cells are mobilized into the peripheral blood after acute myocardial injury and in chronic ischemic heart disease. However, the mechanisms responsible for this mobilization are poorly understood. We examined the relationship between plasma levels of bioactive lipids and number of circulating progenitor cells (CPCs) in patients (N = 437) undergoing elective or emergent cardiac catheterization. Plasma levels of sphingosine-1 phosphate (S1P) and ceramide-1 phosphate (C1P) were quantified using mass spectrometry...
March 2017: Stem Cells Translational Medicine
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