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https://www.readbyqxmd.com/read/29244726/potential-of-bioactive-glasses-for-cardiac-and-pulmonary-tissue-engineering
#1
REVIEW
Saeid Kargozar, Sepideh Hamzehlou, Francesco Baino
Repair and regeneration of disorders affecting cardiac and pulmonary tissues through tissue-engineering-based approaches is currently of particular interest. On this matter, different families of bioactive glasses (BGs) have recently been given much consideration with respect to treating refractory diseases of these tissues, such as myocardial infarction. The inherent properties of BGs, including their ability to bond to hard and soft tissues, to stimulate angiogenesis, and to elicit antimicrobial effects, along with their excellent biocompatibility, support these newly proposed strategies...
December 15, 2017: Materials
https://www.readbyqxmd.com/read/29244217/the-follow-up-of-progressive-hypertrophic-cardiomyopathy-using-magnetic-resonance-rotating-frame-relaxation-times
#2
Muhammad Arsalan Khan, Hanne Laakso, Svetlana Laidinen, Sanna Kettunen, Tommi Heikura, Seppo Ylä-Herttuala, Timo Liimatainen
Magnetic resonance rotating frame relaxation times are an alternative non-contrast agent choice for the diagnosis of chronic myocardial infarct. Fibrosis typically occurs in progressive hypertrophic cardiomyopathy. Fibrosis has been imaged in myocardial infarcted tissue using rotating frame relaxation times, which provides the possibility to follow up progressive cardiomyopathy without contrast agents. Mild and severe left ventricular hypertrophy were induced in mice by transverse aortic constriction, and the longitudinal rotating frame relaxation times (T1ρ ) and relaxation along the fictitious field (TRAFF2 , TRAFF3 ) were measured at 5, 10, 24, 62 and 89 days after transverse aortic constriction in vivo...
December 15, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/29244199/secondary-prevention-of-recurrent-venous-thromboembolism-after-initial-oral-anticoagulation-therapy-in-patients-with-unprovoked-venous-thromboembolism
#3
REVIEW
Lindsay Robertson, Su Ern Yeoh, Ahmad Ramli
BACKGROUND: Currently, little evidence is available on the length and type of anticoagulation used for extended treatment for prevention of recurrent venous thromboembolism (VTE) in patients with unprovoked VTE who have completed initial oral anticoagulation therapy. OBJECTIVES: To compare the efficacy and safety of available oral therapeutic options (aspirin, warfarin, direct oral anticoagulants (DOACs)) for extended thromboprophylaxis in adults with a first unprovoked VTE, to prevent VTE recurrence after completion of an acceptable initial oral anticoagulant treatment period, as defined in individual studies...
December 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29244126/silent-cerebral-small-vessel-disease-twice-as-prevalent-in-middle-aged-well-controlled-cart-treated-hiv-infected-individuals-than-hiv-uninfected-individuals
#4
Antoine Moulignier, Julien Savatovsky, Lambert Assoumou, François-Xavier Lescure, Cédric Lamirel, Ophelia Godin, Nadia Valin, Roland Tubiana, Ana Canestri, Pascal Roux, Jean-Claude Sadik, Laurence Salomon, Marie Abrivard, Christine Katlama, Yazdan Yazdanpanah, Gilles Pialoux, Pierre-Marie Girard, Dominique Costagliola
Background: Silent cerebral small-vessel disease (CSVD) is defined as white matter hyperintensities, silent brain infarction or microbleeds. CSVD is responsible for future vascular events, cognitive impairment, frailty and shorter survival. CSVD prevalence among middle-aged persons living with well-controlled HIV infection (PLHIVs) is unknown. Methods: ANRS EP51 MicroBREAK (NCT02082574) is a cross-sectional study with prospective enrollment of treated PLHIVs, ≥50 years old with viral load controlled for ≥12 months, and frequency age- and sex-matched HIV-uninfected controls (HUCs)...
December 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29244081/atrial-fibrillation-type-matters-greater-infarct-volume-and-worse-neurological-defects-seen-in-acute-cardiogenic-cerebral-embolism-due-to-persistent-or-permanent-rather-than-paroxysmal-atrial-fibrillation
#5
Osamu Inaba, Yasuteru Yamauchi, Masahiro Sekigawa, Naoyuki Miwa, Junji Yamaguchi, Yasutoshi Nagata, Toru Obayashi, Takamichi Miyamoto, Tomoyuki Kamata, Mitsuaki Isobe, Masahiko Goya, Kenzo Hirao
Aims: Some studies have shown that the type of atrial fibrillation (AF), whether paroxysmal AF (PAF) or persistent or permanent AF (PeAF), affects the incidence of ischaemic stroke. This study sought to determine the relationship between the AF pattern and the severity and brain volume of infarction in an AF population including transient ischaemic attack (TIA) patients. Methods and results: This was a retrospective observational study. We studied 161 consecutive patients who were admitted to our stroke care unit with cardiogenic embolism or TIA related to non-valvular AF (age 79 ± 9...
December 12, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29243974/pediatric-cerebral-venous-sinus-thrombosis-or-compression-in-the-setting-of-skull-fractures-from-blunt-head-trauma
#6
David S Hersh, Nir Shimony, Mari L Groves, Gerald F Tuite, George I Jallo, Ann Liu, Tomas Garzon-Muvdi, Thierry A G M Huisman, Ryan J Felling, Joseph A Kufera, Edward S Ahn
OBJECTIVE Pediatric cerebral venous sinus thrombosis has been previously described in the setting of blunt head trauma; however, the population demographics, risk factors for thrombosis, and the risks and benefits of detection and treatment in this patient population are poorly defined. Furthermore, few reports differentiate between different forms of sinus pathology. A series of pediatric patients with skull fractures who underwent venous imaging and were diagnosed with intrinsic cerebral venous sinus thrombosis or extrinsic sinus compression is presented...
December 15, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29243857/clinical-outcomes-according-to-symptom-presentation-in-patients-with-acute-myocardial-infarction-results-from-the-fast-mi-2010-registry
#7
Etienne Puymirat, Nadia Aissaoui, Laurent Bonello, Guillaume Cayla, Jean-Noel Labèque, Olivier Nallet, Pascal Motreff, Olivier Varenne, François Schiele, Jean Ferrières, Tabassome Simon, Nicolas Danchin
BACKGROUND: Atypical clinical presentation in acute myocardial infarction (AMI) patients is not uncommon; most studies suggest that it is associated with unfavorable prognosis. HYPOTHESIS: Long-term clinical impact differs according to predominant symptom presentation (typical chest pain, atypical chest pain, syncope, cardiac arrest, or dyspnea) in AMI patients. METHODS: FAST-MI 2010, a nationwide French registry, included 4169 patients with AMI in 213 centers at the end of 2010 (76% of active centers)...
December 15, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/29243842/exosomes-secreted-by-hypoxic-cardiosphere-derived-cells-enhance-tube-formation-and-increase-pro-angiogenic-mirna
#8
Helia Namazi, Elham Mohit, Iman Namazi, Sarah Rajabi, Azam Samadian, Ensiyeh Hajizadeh-Saffar, Nasser Aghdami, Hossein Baharvand
Exosomes are required for the regenerative effects of human cardiosphere-derived cells (CDCs). Studies show that they mimic the cardioprotective benefits of CDCs in rodents and porcine myocardial infarction (MI) models. Hypoxic preconditioning of stem cells increases the cardioprotective effects of exosomes in MI models by enhancing angiogenesis. Several exosomal microRNAs (miRNAs) up-regulate in response to hypoxia and play a role in cardioprotective and pro-angiogenic effects. In this study, we have demonstrated that human CDCs secreted exosomes under hypoxic conditions (1% O2 for 2 days) enhanced tube formation by human umbilical vein endothelial cells (HUVECs) at a concentration of 25 μg/ml...
December 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29243834/outcome-of-octogenarians-with-atrial-fibrillation-undergoing-percutaneous-coronary-intervention-insights-from-the-afcas-registry
#9
Heli M Lahtela, Aissa Bah, Tuomas Kiviniemi, Wail Nammas, Axel Schlitt, Andrea Rubboli, Pasi P Karjalainen, Marco Proietti, Juha E K Hartikainen, Gregory Y H Lip, K E Juhani Airaksinen
BACKGROUND: More evidence is needed on the optimal antithrombotic regimen in elderly patients with atrial fibrillation (AF) undergoing percutaneous coronary intervention (PCI). HYPOTHESIS: Octogenarian patients (aged ≥80 years) with AF who underwent PCI have worse 12-month clinical outcome, compared with younger patients. METHODS: We performed a post-hoc analysis of data from the prospective, multicenter AFCAS registry, which enrolled consecutive patients with AF who underwent PCI and stenting...
December 15, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/29243788/evaluation-on-the-impact-of-spontaneous-reperfusion-on-cardiac-muscle-of-acute-myocardial-infarction-by-three-dimensional-speckle-tracking-imaging
#10
Z-W Tao, X-W Ma, N-N Liu, N-L Tian, X-F Gao, P-X Xiao
OBJECTIVE: To explore the effect of spontaneous reperfusion (SR) on three-dimensional myocardial strain in patients with acute anterior myocardial infarction by three-dimensional speckle tracking imaging (3D-STI) technology. PATIENTS AND METHODS: Patients diagnosed with acute anterior myocardial infarction during 2013 to 2016 were consecutively selected and divided into SR group and non-spontaneous reperfusion (Non-SR) group based on whether there was SR. Patients in both groups received direct percutaneous coronary intervention (PCI) in time window...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29243787/atherosclerosis-and-cardiovascular-involvement-in-celiac-disease-the-role-of-autoimmunity-and-inflammation
#11
L Santoro, G De Matteis, M Fuorlo, B Giupponi, A M Martone, F Landi, R Landolfi, A Santoliquido
OBJECTIVE: The aim of this review is to explore the evidence about the association among celiac disease (CD), atherosclerosis (AS) and cardiovascular (CV) diseases, and the role of inflammation in this connection. MATERIALS AND METHODS: A systematic literature search was conducted using PubMed, EMBASE, and Cochrane Library for the association among CD, AS and CV diseases. RESULTS: Several studies reported the association of CD with accelerated AS, as evidenced by the alterations of a number of parameters indicative of subclinical AS, as increased carotid artery intima-media thickness, endothelial dysfunction and increased arterial stiffness...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29243525/galectin-3-and-outcomes-after-anterior-wall-myocardial-infarction-treated-by-primary-percutaneous-coronary-intervention
#12
Giuseppe Di Tano, Giorgio Caretta, Renata De Maria, Luca Bettari, Marina Parolini, Sophie Testa, Salvatore Pirelli
AIM: Galectin-3 (Gal-3), a biomarker of inflammation, tissue repair and fibrogenesis, is associated to left ventricular remodeling after ST-elevated myocardial infarction (STEMI), but its relation with long-term outcomes is unclear. METHODS: In 103 consecutive patients with a first anterior STEMI treated by primary angioplasty, we assayed Gal-3 and NT-proBNP. RESULTS: Age was 65 (56-76) years, 28% were women. During 18 ± 13 months, 20 patients (19...
December 15, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/29243511/acute-stress-disorder-and-c-reactive-protein-in-patients-with-acute-myocardial-infarction
#13
Hannes Bielas, Rebecca E Meister-Langraf, Jean-Paul Schmid, Jürgen Barth, Hansjörg Znoj, Ulrich Schnyder, Mary Princip, Roland von Känel
Background Myocardial infarction-triggered acute stress disorder (ASD) and subclinical inflammation associate with the development of posttraumatic stress disorder, and worsen the prognosis of myocardial infarction patients. We examined the relationship between ASD severity and C-reactive protein levels in patients with acute myocardial infarction. Methods We assessed 190 patients (median age 59 years; 83% men) with a verified myocardial infarction within 48 h of an acute coronary intervention. Circulating levels of C-reactive protein were categorized according to their prognostic risk for cardiovascular disease: 0 to <5, 5 to <10, 10 to <20, and ≥ 20 mg/l...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29243292/effects-of-endovascular-cooling-on-infarct-size-in-st-segment-elevation-myocardial-infarction-a-patient-level-pooled-analysis-from-randomized-trials
#14
Michael Dae, William O'Neill, Cindy Grines, Simon Dixon, David Erlinge, Marko Noc, Michael Holzer, Anne Dee
OBJECTIVES: This study sought to examine the relationship between temperature at reperfusion and infarct size. BACKGROUND: Hypothermia consistently reduces infarct size when administered prior to reperfusion in animal studies, however, clinical results have been inconsistent. METHODS: We performed a patient-level pooled analysis from six randomized control trials of endovascular cooling during primary percutaneous coronary intervention (PCI) for ST-segment elevation myocardial infarction (STEMI) in 629 patients in which infarct size was assessed within 1 month after randomization by either single-photon emission computed tomography (SPECT) or cardiac magnetic resonance imaging (cMR)...
December 14, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29243273/long-term-use-of-continuous-positive-airway-pressure-therapy-in-coronary-artery-disease-patients-with-nonsleepy-obstructive-sleep-apnea
#15
Faith S Luyster, Patrick J Strollo, Erik Thunström, Yüksel Peker
BACKGROUND: Excessive daytime sleepiness is a frequent symptom of obstructive sleep apnea (OSA) and has been proposed as a motivator for adherence to continuous positive airway pressure (CPAP) therapy. However, excessive daytime sleepiness is absent in many patients with coronary artery disease (CAD) and concomitant OSA. We evaluated long-term use of CPAP and predictors of CPAP use in nonsleepy and sleepy OSA patients from a CAD cohort. HYPOTHESIS: Long-term CPAP use is lower in CAD patients with nonsleepy OSA vs sleepy OSA...
December 14, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/29243114/effect-of-cytochrome-p450-2c19-polymorphism-on-adverse-cardiovascular-events-after-drug-eluting-stent-implantation-in-a-large-hakka-population-with-acute-coronary-syndrome-receiving-clopidogrel-in-southern-china
#16
Zhixiong Zhong, Jingyuan Hou, Qifeng Zhang, Bin Li, Cunren Li, Zhidong Liu, Min Yang, Wei Zhong, Xuebo He, Hesen Wu, Miaocai Zhong, Pingsen Zhao
BACKGROUND AND OBJECTIVES: The objective of this study is to evaluate the effects of cytochrome P450 2C19 (CYP2C19) polymorphism on adverse cardiovascular events (MACE) in Hakka patients with acute coronary syndrome (ACS) receiving clopidogrel who had undergone coronary drug-eluting stent placement after percutaneous coronary intervention (PCI) in southern China. METHODS: Genotyping of CYP2C19 and MACE of 934 ACS patients with PCI on clopidogrel maintenance therapy were analyzed...
December 14, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29243061/neuroprotective-effect-of-curcumin-against-cerebral-ischemia-reperfusion-via-mediating-autophagy-and-inflammation
#17
Lifa Huang, Chengwei Chen, Xin Zhang, Xu Li, Zupeng Chen, Chao Yang, Xiaolong Liang, Guochong Zhu, Zhen Xu
Curcumin, a polyphenolic compound extracted from Curcuma longa, has drawn attention for its effective bioactivities against ischemia-induced injury. This study aimed to evaluate the neuroprotective effect of curcumin and investigate the underlying mechanism that mediates autophagy and inflammation in an animal model of middle cerebral artery occlusion (MCAO) in rats. Curcumin was delivered to Sprague Dawley male rats at a dose of 200 mg/kg curcumin by intraperitoneal injection 30 min after ischemia-reperfusion (I/R)...
December 15, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29243046/-stem-cell-based-cardiac-regeneration-after-myocardial-infarction
#18
REVIEW
M Reinsch, F Weinberger
Myocardial infarction leads to an irreversible loss of vital myocardial cells. The transplantation of new cardiomyocytes into the heart was first described over 20 years ago and represents a straightforward approach to remuscularize a damaged heart. Due to the lack of human cells a clinical application seemed ambitious; however, dramatic progress in stem cell biology over the last two decades has paved the way towards a clinical application. This is especially important as the prognosis for patients with terminal heart failure is still poor...
December 14, 2017: Herz
https://www.readbyqxmd.com/read/29243035/systemic-lupus-erythematosus-and-ocular-involvement-an-overview
#19
REVIEW
Rosanna Dammacco
Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease of undefined etiology and with remarkably heterogeneous clinical features. Virtually any organ system can be affected, including the eye. SLE-related eye involvement can be diagnosed in approximately one-third of the patients and is usually indicative of disease activity. An early diagnosis and the adoption of suitable therapeutic measures are necessary to prevent sight-threatening consequences, especially in patients with juvenile SLE. Periocular lesions, such as eyelid involvement and orbital inflammation, are relatively rare and, in case of orbital masses, may require a biopsy control...
December 14, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/29243014/prognostic-value-of-lvedp-in-acute-myocardial-infarction-a-systematic-review-and-meta-analysis
#20
Stephen C Brienesse, Allan J Davies, Arshad Khan, Andrew J Boyle
Left ventricular end-diastolic pressure (LVEDP) is an easily obtained, physiologically integrative measure of total LV function. LVEDP may be a useful prognostic measure in patients with acute myocardial infarction and utilised to guide medical therapy and assess risk for post myocardial infarction heart failure. To assess the utility of LVEDP as a prognostic measure in patients presenting with acute myocardial infarction. We performed an unrestricted search of electronic databases (1946 to March 2017) using a predefined search strategy...
December 14, 2017: Journal of Cardiovascular Translational Research
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