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Myocardial infraction

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https://www.readbyqxmd.com/read/28804656/pneumomediastinum-and-mediastinal-hematoma-secondary-to-right-brachiocephalic-vein-thrombectomy-mimicking-stemi
#1
Prem Shukla, Prudence Dy, Rishi Raj, Sayee Sundar Alagusundaramoorthy, Noel Nivera
A 50-year-old male with a history of hemodialysis dependent chronic kidney disease presented to our emergency department with acute midsternal crushing chest pain. Patient was diagnosed with acute anterolateral wall Myocardial Infraction due to the presence of corresponding ST segment elevations in EKG and underwent emergent cardiac catheterization which revealed normal patent coronaries without any disease. He continued to have chest pain for which CT of the chest was done which revealed pneumomediastinum with mediastinal hematoma, due to the recent attempted thrombectomy for thrombus in his right brachiocephalic vein...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28763488/anthocyanin-rich-extract-of-brassica-oleracea-l-alleviates-experimentally-induced-myocardial-infarction
#2
Sarmita Jana, Dipak Patel, Shweta Patel, Kapil Upadhyay, Jaymesh Thadani, Rahul Mandal, Santasabuj Das, Ranjitsinh Devkar
Cardioprotective potential of anthocyanin rich red cabbage extract (ARCE) was assessed in H2O2 treated rat neonatal cardiomyoblasts (H9c2 cells) and isoproterenol (ISO) induced rodent model of myocardial infarction. H2O2 treated H9c2 cells recorded cytotoxicity (48-50%) and apoptosis (57.3%), the same were reduced in presence of ARCE (7-10% & 12.3% respectively). Rats pretreated with ARCE for 30 days followed by ISO treatment recorded favourable heart: body weight ratio as compared to ISO treated group. Also, the mRNA levels of enzymatic antioxidants (sod and catalase) and apoptotic genes (bax and bcl-2) in ARCE+ISO treated group were similar to the control group suggesting that ARCE pretreatment prevents ISO induced depletion of enzymatic antioxidants and apoptosis...
2017: PloS One
https://www.readbyqxmd.com/read/28691428/stat-proteins-as-intracellular-regulators-of-resistance-to-myocardial-injury-in-context-of-cardiac-remodeling-and-targeting-for-therapy
#3
REVIEW
Andrzej Wincewicz, Stanislaw Sulkowski
Roles of STAT (signal transducers and activators of transcription) proteins are widely discussed in relation to other agents like IFN-γ that are involved in cardiovascular diseases. STAT3 protects cardiomyocytes during endotoxic shock and ischemia and prolongs survival of these cells by activation of antiapoptotic genes like bcl-2 and c-fos. Moreover, IL-6 dependent expression of STAT3 probably is responsible for hypertrophy of cardiomyocytes. On the contrary STAT1 mediates cell death by induction of caspase-1...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28651239/cardiaprotective-effect-of-crocetin-by-attenuating-apoptosis-in-isoproterenol-induced-myocardial-infarction-rat-model
#4
Weili Zhang, Yuhui Li, Zhiming Ge
Given study evaluates the cardioprotective effect of crocetin in myocardial infracted (MI) rats. MI was produced by administering isoproterenol (90mg/kg/day, i.p.) in rats for two consecutive days. all the animals were divided in to four groups such as control group receives only saline; MI group which receives only isoproterenol and crocetin treated group which receives crocetin (50, 100 and 200mg/kg/day, p.o.) for the duration of 15 days. At the end of dosing left ventricular functions was assessed to estimate its effect on cardiac functions...
September 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28638482/implantable-and-biodegradable-macroporous-iron-oxide-frameworks-for-efficient-regeneration-and-repair-of-infracted-heart
#5
Wenshuo Wang, Hongyue Tao, Yun Zhao, Xiaotian Sun, Jing Tang, Cordelia Selomulya, Jia Tang, Tianchan Chen, Yang Wang, Minglei Shu, Lei Wei, Guanyu Yi, Jixue Zhou, Lai Wei, Chunsheng Wang, Biao Kong
The construction, characterization and surgical application of a multilayered iron oxide-based macroporous composite framework were reported in this study. The framework consisted of a highly porous iron oxide core, a gelatin-based hydrogel intermediary layer and a matrigel outer cover, which conferred a multitude of desirable properties including excellent biocompatibility, improved mechanical strength and controlled biodegradability. The large pore sizes and high extent of pore interconnectivity of the framework stimulated robust neovascularization and resulted in substantially better cell viability and proliferation as a result of improved transport efficiency for oxygen and nutrients...
2017: Theranostics
https://www.readbyqxmd.com/read/28558086/acute-heart-failure-registry-risk-assessment-model-in-decompensated-heart-failure
#6
Anne Delgado, Bruno Rodrigues, Sara Nunes, Rui Baptista, Bruno Marmelo, Davide Moreira, Pedro Gama, Luís Nunes, Oliveira Santos, Costa Cabral
BACKGROUND: Heart failure (HF) is a highly prevalent syndrome. Although the long-term prognostic factors have been identified in chronic HF, this information is scarcer with respect to patients with acute HF. despite available data in the literature on long-term prognostic factors in chronic HF, data on acute HF patients are more scarce. OBJECTIVES: To develop a predictor of unfavorable prognostic events in patients hospitalized for acute HF syndromes, and to characterize a group at higher risk regarding their clinical characteristics, treatment and outcomes...
December 2016: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28539652/ano1-inhibits-cardiac-fibrosis-after-myocardial-infraction-via-tgf-%C3%AE-smad3-pathway
#7
Yao Gao, Yan Mei Zhang, Li Jun Qian, Ming Chu, Jian Hong, Di Xu
As a newly identified factor in calcium-activated chloride channel, ANO1 participates in various physiological processes like proliferation and differentiation, and expresses in human cardiac fibroblasts. In this experiment, we investigated the function of ANO1 in cardiac fibrosis after myocardial infraction (MI) with methods of Western blotting, Quantitative real-time PCR (qRT-PCR), metabolic reduction of 3-(4,5-dimethylthiozol-2-yl)-2, 5-diphenyltetrazo-lium bromide (MTT), immunofluorescence and confocal imaging, and Masson's trichrome staining...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28528367/evaluating-the-role-of-autologous-mesenchymal-stem-cell-seeded-on-decellularized-pericardium-in-the-treatment-of-myocardial-infarction-an-animal-study
#8
Abdol-Mohammad Kajbafzadeh, Seyed Hossein Ahmadi Tafti, Reza Khorramirouz, Shabnam Sabetkish, Seyedeh Maryam Kameli, Saghar Orangian, Shahram Rabbani, Nasim Oveisi, Marziyeh Golmohammadi, Zeynab Kashani
Inappropriate left ventricular remodeling following myocardial infarction (MI) can result in subsequent severe dysfunction. In this study, we tested the hypothesis that decellularized pericardium (DP) or seeded pericardial patch with autologous adipose-derived mesenchymal stem cells (ADMSCs) could be safely used in a MI scar and could improve heart function. Twelve rabbits were randomly divided into three equal groups. Four weeks after MI induction by ligation of the left anterior descending artery in 12 rabbits, animals of G1 (n = 4) received DP patch with labeled ADMSCs...
May 20, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28524025/-effect-of-esmolol-on-hemodynamics-and-clinical-outcomes-in-patients-with-septic-shock
#9
Shupeng Wang, Min Li, Jun Duan, Li Yi, Xu Huang, Desheng Chen, Gang Li
OBJECTIVE: To evaluate the effect of heart rate control with esmolol on hemodynamics, inflammatory cytokines and clinical outcomes in patients with septic shock. METHODS: A prospective randomized controlled trial was conducted. The patients with septic shock admitted to Department of Critical Care Medicine of China-Japan Friendship Hospital from August 2014 to October 2016 were enrolled. After 24 hours of resuscitation and other therapy, they were randomly divided into two groups by sealed envelope...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28498849/percutaneous-coronary-intervention-with-second-generation-drug-eluting-stent-versus-bare-metal-stent-systematic-review-and-cost-benefit-analysis
#10
Thomas G Poder, Jihane Erraji, Lucien P Coulibaly, Kouamé Koffi
BACKGROUND: Drug-eluting stents (DESs) were considered as ground-breaking technology promising to eradicate restenosis and the necessity to perform multiple revascularization procedures subsequent to percutaneous coronary intervention. Soon after DESs were released on the market, however, there were reports of a potential increase in mortality and of early or late thrombosis. In addition, DESs are far more expensive than bare-metal stents (BMSs), which has led to their limited use in many countries...
2017: PloS One
https://www.readbyqxmd.com/read/28494834/prediction-of-10-year-atherosclerotic-cardiovascular-disease-risk-among-adults-aged-40-79-years-in-china-a-nationally-representative-survey
#11
Mei Zhang, Yong Jiang, Li Min Wang, Yi Chong Li, Zheng Jing Huang, Jian Hong Li, Mai Geng Zhou, Wen Hua Zhao
OBJECTIVE: To establish the distribution of 10-year atherosclerotic cardiovascular disease (ASCVD) risk among Chinese adults. METHODS: We estimated the 10-year ASCVD risk by applying the 2013 American College of Cardiology/ American Heart Association pooled cohort equations (PCEs) to the data obtained from the 2010 China Chronic Disease and Risk Factor Surveillance that involved 61,541 participants (representing 520,158,652 Chinese adults) aged 40-79 years. We also compared the ASCVD risk with the 10-year ischemic cardiovascular disease (ICVD) risk, which was calculated using the simplified scoring tables recommended by the Chinese Guidelines for Prevention of Cardiovascular Diseases (Chinese model)...
April 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28457660/ilk-regulates-mscs-survival-and-angiogenesis-partially-through-akt-and-mtor-signaling-pathways
#12
Bin Zeng, Lei Liu, Shaofeng Wang, Zhiguo Dai
Mesenchymal stem cells (MSCs) exert therapeutic effects on treating acute myocardial infarction (AMI). Angiogenesis in ischemic heart can promote the supply of oxygen and nutrients to both ischemic myocardium and transplanted stem cells. Focus is then given to the evolving strategies amied at angiogenesis. ILK has been reported to be an important factor regulating apoptosis and angiogenesis. This study examined the role and mechanism of ILK in MSCs survival and angiogenesis. In hypoxic condition, upregulation of ILK expression increased the phosphorylation of Akt and mTOR, resulting in markedly enchanced MSCs survival and VEGF expression; while significantly inhibited MSCs survival and VEGF expression was detected in MSCs with ILK kinase inactivation, which was associated with a reduction of phosphorylation of Akt and mTOR...
April 28, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28457560/three-year-follow-up-of-patients-with-acetylcholine-induced-coronary-artery-spasm-combined-with-insignificant-coronary-stenosis
#13
Byoung Geol Choi, Sung Hun Park, Seung-Woon Rha, Jihun Ahn, Se Yeon Choi, Jae Kyeong Byun, Hu Li, Ahmed Mashaly, Min Suk Shim, Jun Hyuk Kang, Woohyeun Kim, Jah Yeon Choi, Eun Jin Park, Sunki Lee, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Dong Joo Oh
BACKGROUND: Coronary artery spasm (CAS) and significant coronary stenosis are known to be major causes of myocardial ischemia. However, their association and the impact of insignificant coronary stenosis (ICS) on long-term clinical outcomes of CAS patients are largely unknown. METHODS: A total of 2797 patients without significant coronary artery disease (CAD) who underwent the acetylcholine (ACH) provocation test between November 2004 and October 2010 were enrolled...
March 18, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28416195/pitavastatin-versus-pravastatin-in-adults-with-hiv-1-infection-and-dyslipidaemia-intrepid-12-week-and-52-week-results-of-a-phase-4-multicentre-randomised-double-blind-superiority-trial
#14
Judith A Aberg, Craig A Sponseller, Douglas J Ward, Vladimir A Kryzhanovski, Stuart E Campbell, Melanie A Thompson
BACKGROUND: People living with HIV-1 infection are at greater risk for cardiovascular disease than seronegative adults. Treatment of dyslipidaemia with statins has been challenging in people with HIV because of an increased potential for drug interactions due to competing cytochrome P450 metabolism between statins and commonly used antiretroviral agents. Neither pitavastatin nor pravastatin depend on cytochrome P450 for primary metabolism. We aimed to assess the safety and efficacy of pitavastatin versus pravastatin in adults with HIV and dyslipidaemia...
July 2017: Lancet HIV
https://www.readbyqxmd.com/read/28400027/socioeconomic-status-as-a-predictor-of-mortality-in-patients-admitted-with-atrial-fibrillation
#15
Faraj Kargoli, Eric Shulman, Philip Aagaard, David F Briceno, Ethan Hoch, Luigi Di Biase, John D Fisher, Jay Gross, Soo G Kim, Andrew Krumerman, Kevin J Ferrick
Lower socioeconomic status (SES) is associated with a higher risk of cardiovascular disease. However, the association between SES and mortality in patients with atrial fibrillation (AF) is not clear. We examined whether SES predicts all-cause mortality in patients hospitalized with AF. This is a retrospective study of patients aged >18 years, admitted with a primary diagnosis of AF to Montefiore Medical Center between 2000 and 2010. Multivariable logistic regression models were used to determine predictors of survival adjusted for age, gender, heart failure, diabetes mellitus, chronic kidney disease, previous myocardial infraction, chronic obstructive pulmonary disease, hypertension, peripheral vascular disease, and SES...
May 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28387815/atherosclerotic-plaque-vulnerability-in-the-statin-era
#16
Jan Nilsson
Life style changes and improved medical therapy have decreased cardiovascular mortality in many countries over the last decades. This has been accompanied by changes in disease characteristics including more non-ST segment elevation myocardial infraction and less vulnerable plaques as assessed by histological analysis of surgical specimens. However, many patients with established disease still suffer from recurrent cardiovascular events in spite of treatment with state-of-the-art-therapy including statins. It is likely that this reflects a state of the disease in which statins control the pro-inflammatory effects of lipids allowing other statin-unresponsive disease mechanisms to become increasingly important...
June 1, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28363791/inhibition-of-long-noncoding-rna-bdnf-as-rescues-cell-death-and-apoptosis-in-hypoxia-reoxygenation-damaged-murine-cardiomyocyte
#17
Rong Zhao, Xin Wang, Hui Wang, Tianhong Yu, Qunli Wang, Xiaoyu Yang, Jianhui Sun
BACKGROUND: Hypoxia/reoxygenation (H/R)-induced cardiomyocyte damage in vitro bears many similarities to myocardial infraction in vivo. In this study, we investigated whether long noncoding RNA (lncRNA) BDNF-AS has functional role in rescuing H/R-induced damage in cardiomyocyte in vitro. METHOD: Murine neonatal cardiomyocytes were cultured in vitro, and treated with either long (Hypoxia (L)) or short (Hypoxia (S)) H/R conditions. Viability and TUNEL assays were conducted to assess cardiomyocyte death or apoptosis...
July 2017: Biochimie
https://www.readbyqxmd.com/read/28295592/knockdown-of-long-non-coding-rna-zfas1-protects-cardiomyocytes-against-acute-myocardial-infarction-via-anti-apoptosis-by-regulating-mir-150-crp
#18
Tao Wu, Dan Wu, Qinghua Wu, Bing Zou, Xiao Huang, Xiaoshu Cheng, Yanqing Wu, Kui Hong, Ping Li, Renqiang Yang, Yunde Li, Yingzhang Cheng
ZFAS1 is one of cardiac-specific or cardiac-related lncRNAs. This study was to explore the functional involvement of ZFAS1 and its regulatory role in AMI. In this study, the models of AMI rat and myocardial cell cultured under hypoxia were made. The expression of ZFAS1 and miR-150 of myocardial infarction tissue or cardiac myocytes was determined by quantitative real time PCR. The regulatory role of ZFAS1 on miR-150 was examined by RNA pull down assay. The effect of miR-150 or ZFAS1 expression on cell viability was analyzed by MTT assay...
March 10, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28284496/qrs-duration-and-dispersion-for-predicting-ventricular-arrhythmias-in-early-stage-of-acute-myocardial-infraction
#19
E Chávez-González, A E Rodríguez Jiménez, F L Moreno-Martínez
OBJECTIVE: To determine the relationship between QRS duration and dispersion and the occurrence of ventricular arrhythmias in early stages of acute myocardial infarction (AMI). DESIGN: A retrospective, longitudinal descriptive study was carried out. SETTING: Hospital General Universitario "Camilo Cienfuegos", Sancti Spíritus, Cuba. Secondary health care. PATIENTS OR PARTICIPANTS: A total of 209 patients diagnosed with ST-segment elevation AMI from January 2012 to June 2014...
August 2017: Medicina Intensiva
https://www.readbyqxmd.com/read/28249798/mesenchymal-stem-cells-derived-extracellular-vesicles-via-mir-210-improve-infarcted-cardiac-function-by-promotion-of-angiogenesis
#20
Na Wang, Caiyu Chen, Dezhong Yang, Qiao Liao, Hao Luo, Xinquan Wang, Faying Zhou, Xiaoli Yang, Jian Yang, Chunyu Zeng, Wei Eric Wang
Mesenchymal stem cells (MSCs) exert therapeutic effect on treating acute myocardial infarction. Recent evidence showed that paracrine function rather than direct differentiation predominately contributes to the beneficial effects of MSCs, but how the paracrine factors function are not fully elucidated. In the present study, we tested if extracellular vesicles (EVs) secreted by MSC promotes angiogenesis in infracted heart via microRNAs. Immunostaining of CD31 and matrigel plug assay were performed to detect angiogenesis in a mouse myocardial infarction (MI) model...
August 2017: Biochimica et Biophysica Acta
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