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Ischemic disease

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https://www.readbyqxmd.com/read/28231667/-association-between-body-mass-index-and-both-total-and-cause-specific-mortality-in-china-findings-from-data-through-the-china-kadoorie-biobank
#1
L X Wang, M Y Fan, C Q Yu, Y Guo, Z Bian, Y L Tan, P Pei, J S Chen, J Lyu, L M Li
Objective: To evaluate the associations between body mass index (BMI) and both total and cause-specific mortality. Methods: After excluding participants with heart disease, stroke, cancer, chronic obstructive pulmonary disease, and diabetes at baseline study, 428 593 participants aged 30-79 in the China Kadoorie Biobank study were chosen for this study. Participants were categorized into 9 groups according to their BMI status. Cox regression analysis was used to estimate the hazard ratios (HRs) and 95% confidence intervals (CIs) of mortality on BMI...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28231545/aqueous-extract-of-cortex-dictamni-protects-h9c2-cardiomyocytes-from-hypoxia-reoxygenation-induced-oxidative-stress-and-apoptosis-by-pi3k-akt-signaling-pathway
#2
Lin Li, Yunfeng Zhou, Yanlin Li, Lili Wang, Lan Sun, Lidong Zhou, Hiderori Arai, Yun Qi, Yang Xu
Ischemia-reperfusion injury is the major manifestation of ischemic heart disease, which facilitates cardiac arrhythmias, heart failure and death. Oxidative stress and apoptosis have been involved in the pathogenesis of myocardial ischemia-reperfusion injury. Modern pharmacological studies have indicated that the extracts and active compounds of Cortex Dictamni exhibit antioxidative and cardiovascular protective activities. This study was designed to investigate the protective effect of aqueous extract of Cortex Dictamni (CDAE) on regulating hypoxia/reoxygenation (H/R)-induced cardiomyocytes oxidative stress and apoptosis...
February 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28230891/parathyroid-hormone-serum-concentration-in-central-european-patients-with-non-ischemic-heart-failure-as-a-potential-marker-of-disease-severity-and-poor-prognosis
#3
Grzegorz Marcin Kubiak, Agnieszka Kolaszko, Ewa Nowalany-Kozielska
IntroductionParathyroid hormone (PTH) might be considered as a potential marker of disease severity and worse prognosis in heart failure (HF) patients. ObjectivesTo assess PTH, vitamin D, phosphorus (P) and total calcium (Ca2+) serum concentrations in Central European patients suffering from HF of non-ischemic origin compared to non-HF volunteers.To evaluate potential correlations among the enumerated parameters, established markers of worse prognosis and declared sun exposure. Patients and methodsSerum intact-PTH, 25-OH vitamin D, P and total Ca2+ concentrations were assessed in a group of HF patients and non-HF volunteers...
February 23, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28230106/longitudinal-assessments-of-normal-and-perilesional-tissues-in-focal-brain-ischemia-and-partial-optic-nerve-injury-with-manganese-enhanced-mri
#4
Kevin C Chan, Iris Y Zhou, Stanley S Liu, Yolandi van der Merwe, Shu-Juan Fan, Victor K Hung, Sookja K Chung, Wu-Tian Wu, Kwok-Fai So, Ed X Wu
Although manganese (Mn) can enhance brain tissues for improving magnetic resonance imaging (MRI) assessments, the underlying neural mechanisms of Mn detection remain unclear. In this study, we used Mn-enhanced MRI to test the hypothesis that different Mn entry routes and spatiotemporal Mn distributions can reflect different mechanisms of neural circuitry and neurodegeneration in normal and injured brains. Upon systemic administration, exogenous Mn exhibited varying transport rates and continuous redistribution across healthy rodent brain nuclei over a 2-week timeframe, whereas in rodents following photothrombotic cortical injury, transient middle cerebral artery occlusion, or neonatal hypoxic-ischemic brain injury, Mn preferentially accumulated in perilesional tissues expressing gliosis or oxidative stress within days...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229425/optimal-environmental-stiffness-for-stem-cell-mediated-ischemic-myocardium-repair
#5
Honghai Liu, Christian Paul, Meifeng Xu
Cardiovascular diseases related to myocardial infarction (MI) contribute significantly to morbidity and mortality worldwide. The loss of cardiomyocytes during MI is a key factor in the impairment of cardiac-pump functions. Employing cell transplantation has shown great potential as a therapeutic approach in regenerating ischemic myocardium. Several studies have suggested that the therapeutic effects of stem cells vary based on the timing of cell administration. It has been clearly established that the myocardium post-infarction experiences a time-dependent stiffness change, and many studies have highlighted the importance of stiffness (elasticity) of microenvironment on modulating the fate and function of stem cells...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229384/relationship-of-meteorological-factors-and-acute-stroke-events-in-kaunas-lithuania-in-2000-2010
#6
Laura Tamasauskiene, Daiva Rastenyte, Ricardas Radisauskas, Abdonas Tamosiunas, Domantas Tamasauskas, Vidmantas Vaiciulis, Daina Kranciukaite-Butylkiniene, Egle Milinaviciene
Some researchers have hypothesised that meteorological factors may have an impact on acute cerebrovascular diseases. The aim of this study was to determine an impact of some meteorological factors on occurrence of acute cerebrovascular events in the middle-aged Kaunas population. Kaunas stroke register data were used. Data on meteorological factors for the time period from 2000 to 2010 were obtained from the Lithuanian Hydrometeorological Service Kaunas Meteorological Station. We analysed 4038 cases with stroke...
February 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28229198/-catheter-ablation-of-ventricular-tachycardia-what-have-we-achieved
#7
T Konrad, B A Hoffmann, T Rostock
The role of catheter ablation in patients with ventricular tachycardia (VT) has evolved over the last two decades into an established treatment option. In patients with idiopathic VT catheter ablation is the gold standard treatment option with high effectiveness and low risk of complications. Due to the high risk of side effects the use of antiarrhythmic drugs is only indicated in exceptional cases. In patients with structural heart diseases, such as ischemic and dilated cardiomyopathy, VT is the most frequent cause of death...
February 22, 2017: Herz
https://www.readbyqxmd.com/read/28229050/association-between-beta-fibrinogen-c148t-gene-polymorphism-and-risk-of-ischemic-stroke-in-a-north-indian-population-a-case-control-study
#8
Amit Kumar, Shubham Misra, Pradeep Kumar, Ram Sagar, Kameshwar Prasad
BACKGROUND AND PURPOSE: Stroke is a multifactorial disease influenced by both genetic and environmental factors. The aim of this case-control study was to determine the association between β-fibrinogen C148T (rs1800787) gene polymorphism and susceptibility to ischemic stroke (IS) in a North Indian population. METHODS: In the present case-control study, genotyping was performed using the PCR-RFLP (polymerase chain reaction-restriction fragment length polymorphism) method on 250 IS patients and 250 age- and sex-matched controls...
January 2017: Pulse (Basel, Switzerland)
https://www.readbyqxmd.com/read/28228636/progressive-ischemic-stroke-due-to-thyroid-storm-associated-cerebral-venous-thrombosis
#9
Natsumi Tanabe, Eiji Hiraoka, Masataka Hoshino, Gautam A Deshpande, Kana Sawada, Yasuhiro Norisue, Jumpei Tsukuda, Toshihiko Suzuki
BACKGROUND Cerebral venous thrombosis (CVT) is a rare but fatal complication of hyperthyroidism that is induced by the hypercoagulable state of thyrotoxicosis. Although it is frequently difficult to diagnose CVT promptly, it is important to consider it in the differential diagnosis when a hyperthyroid patient presents with atypical neurologic symptoms. CASE REPORT A 49-year-old Japanese female with unremarkable medical history came in with thyroid storm and multiple progressive ischemic stroke identified at another hospital...
February 23, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28228367/blockade-of-hmgb1-preserves-vascular-homeostasis-and-improves-blood-perfusion-in-rats-of-acute-limb-ischemia-reperfusion
#10
Yang Liu, Changyou Zhou, Jianjun Jiang, Qingbo Su, Xiangjiu Ding
Acute limb ischemia is one of the most common peripheral arterial disease, while surgical restoration of blood flow often results in ischemia/reperfusion (I/R) injury. Our previous study revealed the inflammation intensity in arterial tissue, characterized by expression of high mobility group box protein 1 (HMGB1), was contrary to the fluctuation of hemodynamics in reperfusion limbs in a rat model. This study meant to clarify the role of HMGB1 during this process. Laser Doppler perfusion imaging evaluated limb hemodynamics in mean and max perfusion unit (PU)...
February 19, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28228314/pre-hospital-acute-coronary-syndrome-care-in-kerala-india-a-qualitative-analysis
#11
Amisha Patel, P P Mohanan, Dorairaj Prabhakaran, Mark D Huffman
OBJECTIVE: Ischemic heart disease is the leading cause of death in India. Many of these deaths are due to acute coronary syndromes (ACS), which require prompt symptom recognition, care-seeking behavior, and transport to a treatment facility in the critical pre-hospital period. In India, little is known about pre-hospital management of individuals with ACS. We aim to understand the facilitators, barriers, and context of optimal pre-hospital ACS care to provide opportunities to reduce pre-hospital delays and improve acute cardiovascular care...
January 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28226548/mobileheart-a-mobile-smartphone-based-application-that-supports-and-monitors-coronary-artery-disease-patients-during-rehabilitation
#12
I Frederix, S Sankaran, K Coninx, P Dendale, I Frederix, S Sankaran, K Coninx, P Dendale, K Coninx, S Sankaran, P Dendale, I Frederix
Conventional center-based cardiac rehabilitation adherence is poor, adversely affecting long-term efficacy. Innovative strategies such as telerehabilitation are perceived as promising alternatives to improve care delivery. This paper presents the results of prior and ongoing work on the design and development of MobileHeart, a telemedical smartphone-based application to be used in secondary prevention for ischemic heart disease patients. Its constituent components are discussed separately, the minimal necessary cardiovascular monitoring requirements are elaborated in more detail...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225876/anticoagulation-in-acute-ischemic-stroke-a-systematic-search
#13
Nayara L Froio, Richard Murdoch Montgomery, Elias David-Neto, Ivan Aprahamian
INTRODUCTION: Stroke is one of the most important diseases worldwide. Several clinical scenarios demand full dose of anticoagulants primary to stroke etiology or to the treatment of comorbidity. However, controversy exists over many issues regarding anticoagulation treatment in stroke such as time for initiation, efficacy according to stroke etiology, the ideal dose of anticoagulants, and whether novel anticoagulants should be used. METHOD: Computerized search for clinical trials and randomized controlled clinical trials was done to the present date at Medline, Scielo, Embase, PsychInfo, and Cochrane Library using MeSH terms and the keywords stroke, ischemic stroke, anticoagulation, anticoagulants, heparin, low-molecular-weight heparin, warfarin, dabigatran, rivaroxaban, apixaban...
January 1, 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28225291/-a-contribution-to-the-differential-diagnostics-of-sclerosing-cholangitides
#14
Martin Blaho, Petr Dítě, Martina Bojková, Martin Rydlo, Tomáš Kupka, Pavel Svoboda, Pavel Klvaňa, Arnošt Martínek
Sclerosing cholangitides represent a group of chronic biliary obstructive diseases which include primary sclerosing cholangitis (PSC), IgG4 associated sclerosing cholangitis (IgG4-SC) and secondary sclerosing cholangitis (SSC). The manifestations of the diseases are similar, but their asymptomatic course is also frequent. IgG4-SC belongs to the group of IgG4 associated diseases and it is the most frequently related to type 1 autoimmune pancreatitis. Diagnosing of IgG4-SC is based on typical histopathological images, shape changes revealed by diagnostic imaging, serological tests, concurrent impairment of other organs and response to therapy, where IgG4-SC responds well to treatment with corticoids, whereas the only possibility for the remaining units is endoscopic intervention or liver transplantation...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28225053/genetically-predicted-milk-consumption-and-bone-health-ischemic-heart-disease-and-type-2-diabetes-a-mendelian-randomization-study
#15
Q Yang, S L Lin, S L Au Yeung, M K Kwok, L Xu, G M Leung, C M Schooling
BACKGROUND/OBJECTIVES: Milk provides protein and micronutrients, and is recommended by some dietary guidelines, particularly for bone health. Meta-analysis of small randomized controlled trials suggests that milk may increase bone mineral density, but they are very heterogeneous. No randomized controlled trial has assessed the effects of milk on major chronic diseases. Previous Mendelian randomization studies of milk did not consider bone health, found no effects on ischemic heart disease (IHD) or type 2 diabetes (T2D) but higher body mass index...
February 22, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28224931/corrigendum-to-a-critical-reappraisal-of-aspirin-for-secondary-prevention-in-patients-with-ischemic-heart-disease-am-heart-j-181-2016-92-100
#16
Robert C Welsh, Matthew T Roe, Philippe Gabriel Steg, Stefan James, Thomas J Povsic, Christoph Bode, Charles Michael Gibson, Erik Magnus Ohman
No abstract text is available yet for this article.
February 2017: American Heart Journal
https://www.readbyqxmd.com/read/28224450/artificial-neural-network-based-model-enhances-risk-stratification-and-reduces-non-invasive-cardiac-stress-imaging-compared-to-diamond-forrester-and-morise-risk-assessment-models-a-prospective-study
#17
Hussain A Isma'eel, George E Sakr, Mustapha Serhan, Nader Lamaa, Ayman Hakim, Paul C Cremer, Wael A Jaber, Torkom Garabedian, Imad Elhajj, Antoine B Abchee
BACKGROUND: Coronary artery disease (CAD) accounts for more than half of all cardiovascular events. Stress testing remains the cornerstone for non-invasive assessment of patients with possible or known CAD. Clinical utilization reviews show that most patients presenting for evaluation of stable CAD by stress testing are categorized as low risk prior to the test. Attempts to enhance risk stratification of individuals who are sent for stress testing seem to be more in need today. The present study compares artificial neural networks (ANN)-based prediction models to the other risk models being used in practice (the Diamond-Forrester and the Morise models)...
February 21, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28224419/a-retrospective-study-of-branch-atheromatous-disease-analyses-of-risk-factors-and-prognosis
#18
Yang Liu, Yuan-Teng Fan, Yu-Min Liu, Tao Wang, Hong-Liang Feng, Guang-Zhi Liu, Bin Mei
The theory of branch atheromatous disease (BAD) has been commonly underused in clinical practice and research since it was proposed in 1989. In this study, we sought to explore clinical characteristics of its substypes and biomarkers for prognosis of BAD. A total of 176 consecutive patients with BAD were classified into two groups: paramedianpontine artery group (PPA group, n=70) and lenticulostriate artery group (LSA group, n=106). Bivariate analyses were used to explore the relationship between white matter hyperintensities (WMHs), National Institutes of Health Stroke Scale (NIHSS) scores and prognosis evaluated by the modified Rank Scale (mRS) at 6th month after stroke...
February 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28224216/vascular-surgery-the-main-risk-factor-for-mortality-in-146-takayasu-arteritis-patients
#19
Nilton Salles Rosa Neto, Samuel Katsuyuki Shinjo, Maurício Levy-Neto, Rosa Maria Rodrigues Pereira
Takayasu arteritis (TA) is an idiopathic chronic inflammatory disease that affects the aorta and its main branches. According to disease involvement, patients may require surgical treatment mainly due ischemic lesions in association with medical therapy. We evaluated the impact of vascular interventions in a cohort of TA patients. Medical records from 146 TA patients were reviewed. Clinical features, medical, and surgical treatment were revised and disease activity was determined by clinical, laboratorial, and imaging parameters...
February 21, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28223135/cell-physiology-regulation-by-hypoxia-inducible-factor-1-targeting-oxygen-related-nanomachineries-of-hypoxic-cells
#20
REVIEW
Morteza Eskandani, Somayeh Vandghanooni, Jaleh Barar, Hossein Nazemiyeh, Yadollah Omidi
Any dysfunctionality in maintaining the oxygen homeostasis by mammalian cells may elicit hypoxia/anoxia, which results in inescapable oxidative stress and possible subsequent detrimental impacts on certain cells/tissues with high demands to oxygen molecules. The ischemic damage in turn can trigger initiation of a number of diseases including organs ischemia, metabolic disorders, inflammatory diseases, different types of malignancies, and alteration in wound healing process. Thus, full comprehension of molecular mechanism(s) and cellular physiology of the oxygen homeostasis is the cornerstone of the mammalian cells metabolism, energetic pathways and health and disease conditions...
February 13, 2017: International Journal of Biological Macromolecules
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