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Post MI

Andrew R Kompa, Jiayu Lu, Thomas J Weller, Darren J Kelly, Henry Krum, Thomas G von Lueder, Bing H Wang
BACKGROUND: Angiotensin receptor neprilysin inhibitor (ARNi) enhances beneficial natriuretic peptides by inhibiting their breakdown through neprilysin. Although the first-in-class ARNi sacubitril/valsartan (LCZ696) reduced mortality and morbidity in heart failure (HF) with reduced ejection fraction (EF) compared to angiotensin converting enzyme inhibitor (ACEi), mechanistic data on ARNi are scarce. ARNi may be superior to ACEi in attenuating adverse cardiac remodeling and dysfunction post-myocardial infarction (MI)...
May 1, 2018: International Journal of Cardiology
Narjeet S Khurmi, Yu-Hui Chang, D Eric Steidley, Andrew L Singer, Winston R Hewitt, Kunam S Reddy, Adyr A Moss, Amit K Mathur
BACKGROUND: Cardiovascular disease (CVD) is a leading cause of post-liver transplant death, and variable care patterns may affect outcomes. We aimed to describe epidemiology and outcomes of inpatient CVD care across U.S. hospitals. METHODS: Using a merged dataset from the 2002-2011 Nationwide Inpatient Sample and the American Hospital Association Annual Survey, we evaluated liver transplant patients admitted primarily with myocardial infarction (MI), stroke (CVA), congestive heart failure (CHF), dysrhythmias, cardiac arrest (CA), or malignant hypertension...
March 15, 2018: Liver Transplantation
Sophie Bischoff, Gesine Wieder, Franziska Einsle, Moritz B Petzold, Christiane Janßen, Jennifer L M Mumm, Hans-Ulrich Wittchen, Thomas Fydrich, Jens Plag, Andreas Ströhle
Exposure-based Cognitive Behavioral Therapy (eb-CBT) represents the most evidence-based psychotherapeutic approach in anxiety disorders. However, its efficacy may be limited by a delay in onset of action and a substantial number of patients does not respond sufficiently to treatment. In this context, aerobic exercise was found to be effective in reducing clinical anxiety as well as to improve (elements of) disorder-specific CBT in some mental disorders. We therefore investigated the effect of aerobic exercise supplementary to an eb-CBT in panic disorder and agoraphobia (PD/AG)...
March 5, 2018: Journal of Psychiatric Research
Jeong Won Lee, Se-Whan Lee, Sung-Hae Chang, Sang Mi Lee
OBJECTIVE: The purpose of the study is to evaluate the clinical usefulness of bone scintigraphy for etiological diagnosis of patients with atypical chest pain. PATIENTS AND METHODS: We retrospectively enrolled 225 patients with atypical chest pain who underwent bone scintigraphy for etiological diagnosis. No patients showed any symptoms or signs other than chest pain and had low-to-intermediate Framingham risk with insignificant findings on initial cardiac evaluation...
March 13, 2018: Nuclear Medicine Communications
Jeffrey T Parsons, Steven A John, Brett M Millar, Tyrel J Starks
Prior research has identified subgroups of HIV-positive gay and bisexual men (GBM) based upon information, motivation, and behavioral skills (IMB) profiles related to HIV medication adherence and methamphetamine use. We conducted a randomized controlled trial of a combined motivational interview (MI) and cognitive behavioral therapy (CBT) intervention tailored specifically to the unique context of HIV-positive GBM, and tested whether IMB profiles moderated treatment effects. HIV-positive GBM (N = 210) were randomized to MI + CBT or an attention-matched education control...
March 13, 2018: AIDS and Behavior
Hyun Jun Kim, Sang Yeoup Lee, Hwa Gyeong Lee, Yang Hee Cho, Eun Mi Ko
Few studies have been undertaken to develop cognitive functional improvement-focused exercise programs and determine their effect. The objectives of this study were to evaluate the effects of a cognitive enhancement fitness program (CEFP) on short-term memory and serum brain-derived neurotrophic factor (BDNF) levels according to the cognitive state in middle-aged women. A total of 30 healthy volunteers aged 40-59 years were divided into two groups, that is, a mild cognitive impairment (MCI) group and a non-MCI group based on results from the Korean Dementia Screening Questionnaire...
March 2018: Journal of Sports Science & Medicine
Eun Jeong Song, Mi Young Lee
PURPOSE: The purpose of this study was to examine the effects of aromatherapy on stress responses, autonomic nervous system (ANS) activity, and blood pressure in patients hospitalized to receive coronary angiography (CAG). METHODS: A non-equivalent control group with a pretest-posttest design was used. The subjects were patients admitted to the day angiography room to receive CAG at E University Hospital (34 in the experimental group and 30 in the control group)...
February 2018: Journal of Korean Academy of Nursing
Han-Gil Jeong, Beom Joon Kim, Jay Chol Choi, Keun-Sik Hong, Mi Hwa Yang, Cheolkyu Jung, Moon-Ku Han, Hee-Joon Bae
BACKGROUND AND PURPOSE: The majority of ischemic stroke patients receiving endovascular recanalization therapy (EVT) experience variable changes of neurological severities during the hyperacute period. We hypothesized that the National Institutes of Health Stroke Scale (NIHSS) score after EVT is a better prognostic factor compared with the initial NIHSS score or revascularization status. METHODS: We identified 566 stroke patients who received EVT at Seoul National University Bundang Hospital between April 2008 and December 2015...
March 13, 2018: Stroke; a Journal of Cerebral Circulation
Lamiae Grimaldi-Bensouda, Nicolas Danchin, Jean Dallongeville, Bruno Falissard, Alain Furber, Yves Cottin, Laurent Bonello, Olivier Morel, Florence Leclercq, Etienne Puymirat, Fahmi Ghanem, Nicolas Delarche, Jacques Benichou, Lucien Abenhaim
OBJECTIVE: To compare ticagrelor and prasugrel with clopidogrel for recurrent fatal and non-fatal myocardial infarction (reMI) in real-life conditions. METHODS: Case-referent study using the Pharmacoepidemiological General Research eXtension (PGRx)-acute coronary syndrome (ACS) registry. Cases were patients with reMI from a cohort with index ACS or external to the cohort (same sites). Referents from the cohort, without recurrent event, were matched on index ACS type and date, age and sex with reMI cases...
March 13, 2018: Heart: Official Journal of the British Cardiac Society
Wen Dun, Peter Danilo, Peter J Mohler, Penelope A Boyden
Cardiac Na+ channel remodeling provides a critical substrate for generation of reentrant arrhythmias in border zones of the infarcted canine heart. Recent studies show that Nav1.5 cytoskeletal- and endosomal-based membrane trafficking and function are linked to tubulin, microtubular (MT) networks, and Eps15 homology domain containing proteins like EHD4. AIM: Our objective is to understand the relation of tubulin and EHD4 to Nav 1.5 channel protein remodeling observed in border zone cells (IZs) when arrhythmias are known to occur; that is, 3-h, 48-h and 5-day post coronary occlusion...
March 10, 2018: Life Sciences
Hua-Sheng Ding, Yan Huang, Zhen Chen, Yan-Hong Tang, Dan-Dan Wang, Di Fan, Cong-Xin Huang
Regulator of G-protein signalling 5 (RGS5) is, highly expressed in different cell types of the adult human heart, and it is a negative regulator of G protein-mediated signalling that inactivats Gα(q) and Gα(i) and thereby inhibits many signalling pathways. However, the critical role of RGS5 in the pathology of myocardial infarction (MI) remains unexplored. Here, an in vitro MI model, induced by the permanent ligation of the left anterior descending coronary artery, was used with the isolated hearts of wild type (WT) and RGS5-knockout (KO) mice...
March 10, 2018: Biochemical and Biophysical Research Communications
José V Subiela, Sonia H Torres, Juan B De Sanctis, Noelina Hernández
There is evidence that myocardial infarction (MI) patients have an inflammatory process that includes skeletal muscles, and exercise has been reported to reduce some inflammatory markers. The aim of this work was to study NO and some inflammatory markers in quadriceps muscle of MI patients before and after cardiac rehabilitation. Muscle biopsy was obtained in17 MI patients before and after CR and only once in 11 healthy subjects. Several cardiorespiratory and metabolic parameters were evaluated and skeletal muscle levels of nitric oxide synthases, nitrate, nitrite, nitrotyrosine, tumor necrosis factor alpha (TNF-α), transforming growth factor beta (TGF-β), interleukin- 6 (IL-6) and CD154...
March 10, 2018: Nitric Oxide: Biology and Chemistry
Jacqueline C Outermans, Ingrid van de Port, Gert Kwakkel, Johanna M Visser-Meily, Harriet Wittink
BACKGROUND: Reports on the association between aerobic capacity and walking capacity in people after stroke show disparate results. AIM: To determine (1) if the predictive validity of peak oxygen uptake (VO2peak) for walking capacity post stroke is different from that of maximal oxygen uptake (VO2max) and (2) if postural control, hemiplegic lower extremity muscle strength, age and gender distort the association between aerobic capacity and walking capacity. DESIGN: Cross-sectional study...
March 12, 2018: European Journal of Physical and Rehabilitation Medicine
Benjamin D Horne, Joseph B Muhlestein, Durgesh Bhandary, Greta L Hoetzer, Naeem D Khan, Tami L Bair, Donald L Lappé
Objective: Post-myocardial infarction (MI) care is crucial to preventing recurrent major adverse cardiovascular events (MACE), but can be complicated to personalise. A tool is needed that effectively stratifies risk of cardiovascular (CV) events 1-3 years after MI but is also clinically usable. Methods: Patients surviving ≥1 year after an index MI with ≥1 risk factor for recurrent MI (ie, age ≥65 years, prior MI, multivessel coronary disease, diabetes, glomerular filtration rate <60 mL/min/1...
2018: Open Heart
Bence Hegyi, Julie Bossuyt, Leigh G Griffiths, Rafael Shimkunas, Zana Coulibaly, Zhong Jian, Kristin N Grimsrud, Claus S Sondergaard, Kenneth S Ginsburg, Nipavan Chiamvimonvat, Luiz Belardinelli, András Varró, Julius G Papp, Piero Pollesello, Jouko Levijoki, Leighton T Izu, W Douglas Boyd, Tamás Bányász, Donald M Bers, Ye Chen-Izu
Heart failure (HF) following myocardial infarction (MI) is associated with high incidence of cardiac arrhythmias. Development of therapeutic strategy requires detailed understanding of electrophysiological remodeling. However, changes of ionic currents in ischemic HF remain incompletely understood, especially in translational large-animal models. Here, we systematically measure the major ionic currents in ventricular myocytes from the infarct border and remote zones in a porcine model of post-MI HF. We recorded eight ionic currents during the cell's action potential (AP) under physiologically relevant conditions usingself AP-clamp sequential dissection...
March 12, 2018: Proceedings of the National Academy of Sciences of the United States of America
Vasundhara Kain, Kevin A Ingle, Janusz Kabarowski, Stephen Barnes, Nita A Limdi, Sumanth D Prabhu, Ganesh V Halade
12/15 lipoxygenase (LOX) directs inflammation and lipid remodeling. However, the role of 12/15LOX in post-myocardial infarction (MI) left ventricular remodeling is unclear. To determine the role of 12/15LOX, 8-12 week-old C57BL/6 J wild-type (WT; n = 93) and 12/15LOX-/- (n = 97) mice were subjected to permanent coronary artery ligation and monitored at day (d)1 and d5 post-operatively. Post-MI d28 survival was measured in male and female mice. No-MI surgery mice were maintained as d0 naïve controls...
March 8, 2018: Journal of Molecular and Cellular Cardiology
N Zhao, L Mi, X J Zhang, M Y Xu, H Y Yu, Z W Liu, X J Liu, G C Guan, W Gao, J K Wang
MicroRNA 711 (miR-711) levels in the heart change dynamically after myocardial infarction (MI). As peroxisome proliferator-activated receptor gamma (PPARγ) can upregulate miR-711 in adipocytes and cardiac fibroblasts, this study examined the precise mechanism of PPARγ-mediated miR-711 upregulation and its role in the heart in the early stages after MI. In a rat model of MI induced by left anterior descending coronary artery ligation, immunohistochemical and western blot analyses revealed increased PPARγ expression in cardiomyocyte nuclei after MI...
March 6, 2018: Journal of Molecular and Cellular Cardiology
Timothy D Bryson, Xiaosong Gu, Remonda M Khalil, Safa Khan, Liping Zhu, Jiang Xu, Edward Peterson, Xiao-Ping Yang, Pamela Harding
BACKGROUND: Prostaglandin E2 (PGE2 ) signals through 4 separate G-protein coupled receptor sub-types to elicit a variety of physiologic and pathophysiological effects. We recently reported that PGE2 via its EP3 receptor could reduce cardiac contractility of isolated myocytes and the working heart preparation. We thus hypothesized that there is an imbalance in the EP3/EP4 ratio towards EP3 in the failing heart and that overexpression of EP4 in a mouse model of heart failure would improve cardiac function...
March 6, 2018: Journal of Molecular and Cellular Cardiology
John Whitaker, Cory M Tschabrunn, Jihye Jang, Eran Leshem, Mark O'Neill, Warren J Manning, Elad Anter, Reza Nezafat
BACKGROUND: Myocardial infarction (MI) survivors are at risk of complications including heart failure and malignant arrhythmias. PURPOSE: We undertook serial imaging of swine following MI with the aim of characterizing the longitudinal left ventricular (LV) remodeling in a translational model of ischemia-reperfusion-mediated MI. ANIMAL MODEL: Eight Yorkshire swine underwent mid left anterior descending coronary artery balloon occlusion to create an ischemia-reperfusion experimental model of MI...
March 9, 2018: Journal of Magnetic Resonance Imaging: JMRI
Dongyuan Yao, Barry J Sessle
Trigeminal nerve injury can result in neuropathic pain behavior and alterations in motor function, but it is unclear if such injury produces neuroplastic alterations in face sensorimotor cortex that could contribute to the alterations in motor function. Therefore, this study aimed to determine if trigeminal nerve injury in a rat neuropathic pain model induces neuroplastic changes in jaw and tongue motor representations in face sensorimotor cortex in association with facial nociceptive behavior. Right infraorbital nerve transection was performed in adult male Sprague-Dawley rats; sham-operated rats served as controls...
March 8, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
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