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American Journal of Cardiovascular Disease

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https://www.readbyqxmd.com/read/27679747/diabetic-indicators-are-the-strongest-predictors-for-cardiovascular-disease-risk-in-african-american-adults
#1
Ashley N Carter, Penny A Ralston, Iris Young-Clark, Jasminka Z Ilich
African Americans have higher risk of developing type 2 diabetes and cardiovascular disease (CVD) compared to other racial groups. Modifiable and non-modifiable factors play a role in the development of both diseases. This study assessed diabetes indicators in relation to other CVD risk factors taking into account confounders, among African American adults. This was a cross-sectional study in mid-life and older African Americans (≥45 years) who were recruited from the local churches. Fasting blood was collected and serum analyzed for diabetes indicators, apolipoproteins, adipokines, and lipid profile...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27679746/angiotensin-type-2-receptor-at2r-activation-induces-hypotension-in-apolipoprotein-e-deficient-mice-by-activating-peroxisome-proliferator-activated-receptor-%C3%AE
#2
Ming Li, Thor Tejada, Jonathan P Lambert, Chad K Nicholson, Eiji Yahiro, Vats T Ambai, Syeda F Ali, Eddie W Bradley, Robert M Graham, Louis J Dell'Italia, John W Calvert, Nawazish Naqvi
Angiotensin II (Ang II) modulates blood pressure and atherosclerosis development through its vascular type-1 (AT1R) and type-2 (AT2R) receptors, which have opposing effects. AT2R activation produces hypotension, and is anti-atherogenic. Targeted overexpression of AT2Rs in vascular smooth muscle cells (VSMCs) indicates that these effects are due to increased nitric oxide (NO) generation. However, the role of endogenous VSMC AT2Rs in these events is unknown. Effect of 7-day low-dose Ang II-infusion (12 µg/kg/hr) on blood pressure was tested in 9-week-old apoE((-/-)) mice fed a low or high cholesterol diet (LCD or HCD, respectively)...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27679745/documentation-of-various-approaches-and-outcomes-in-patients-on-warfarin-undergoing-dental-procedures-a-review-article
#3
Fayez El Shaer, Ismael Raslan, Nora Al Osaimi, Ghada Bawazeer, Fhakr Alayobi, Tarek Alhogbani, Suliman Kharabsheh, Walid Al Habeeb
Appropriate management of patients with mechanical prosthetic valves on warfarin during dental procedures is crucial. If the patients continue warfarin, they might develop bleeding, while interruption of therapy can cause thromboembolic events. Bridging therapy (mostly heparin) is used in some patients, while others stop medications. There is no unifying protocol. Information on management of patients on warfarin undergoing dental procedures in Saudi Arabia is lacking. Therefore, the current study aimed to provide more insight into various approaches utilized by clinicians to deal with such patients at a large teaching hospital in Riyadh, and to evaluate the frequency and severity of bleeding and thromboembolic complications during different types of dental procedures in this population...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27679744/critical-role-of-mitochondrial-ros-is-dependent-on-their-site-of-production-on-the-electron-transport-chain-in-ischemic-heart
#4
Ngonidzashe B Madungwe, Netanel F Zilberstein, Yansheng Feng, Jean C Bopassa
Reactive oxygen species (ROS) generation has been implicated in many pathologies including ischemia/reperfusion (I/R) injury. This led to multiple studies on antioxidant therapies to treat cardiovascular diseases but paradoxically, results have so far been mixed as ROS production can be beneficial as a signaling mechanism and in cardiac protection via preconditioning interventions. We investigated whether the differential impact of increased ROS in injury as well as in protection could be explained by their site of production on the mitochondrial electron transport chain...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27679743/myocardial-energetics-and-the-role-of-micronutrients-in-heart-failure-a-critical-review
#5
REVIEW
Ang-Peng Wong, Aleksandra Niedzwiecki, Matthias Rath
Heart failure is a multifactorial disease with poor prognosis. There are many hypotheses regarding the cause of heart failure. Leading among them are the hemodynamic and the neuro-hormonal hypotheses. Although the energy depletion hypothesis has been fairly recent, there is evidence suggesting that declining bioenergy plays a major role in heart failure. This review explored the myocardial energy depletion hypothesis from the role of micronutrients in correcting and alleviating symptoms of heart failure. Even though focus was on key nutrients such as coenzyme Q10, thiamine, riboflavin, L-carnitine, and taurine, emphasis was on the combined effect of multiple micronutrients as a whole...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27679742/small-mammalian-animal-models-of-heart-disease
#6
REVIEW
Paula Camacho, Huimin Fan, Zhongmin Liu, Jia-Qiang He
There is an urgent clinical need to develop new therapeutic approaches for treating cardiovascular disease, but the biology of cardiovascular regeneration is complex. Model systems are required to advance our understanding of the pathogenesis, progression, and mechanisms underlying cardiovascular disease as well as to test therapeutic approaches to regenerate tissue and restore cardiac function following injury. An ideal model system should be inexpensive, easily manipulated, reproducible, physiologically representative of human disease, and ethically sound...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27335692/does-smoking-increase-the-risk-of-progression-of-nephropathy-and-or-cardiovascular-disease-in-type-2-diabetic-patients-with-albuminuria-and-those-without-albuminuria
#7
Yassamine Bentata, Ilham Karimi, Nawal Benabdellah, Fatiha El Alaoui, Intissar Haddiya, Redouane Abouqal
UNLABELLED: Diabetic nephropathy is the primary cause of chronic kidney disease and is associated with increased cardiovascular mortality. Cigarette smoking is probably the most complex and the least understood among the risk factors for chronic kidney disease and cardiovascular disease in diabetic patients. The aim of this study was to determine the impact of smoking on progression of nephropathy and cardiovascular disease in type 2 diabetic patients with albuminuria and those without albuminuria...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27335691/arrhythmogenic-right-ventricular-cardiomyopathy-4-swedish-families-with-an-associated-pkp2-c-2146-1g-c-variant
#8
Anneli Svensson, Meriam Åström-Aneq, Kjerstin Ferm Widlund, Christina Fluur, Anna Green, Malin Rehnberg, Cecilia Gunnarsson
In this study, the genotype-phenotype correlations in four unrelated families with a PKP2 c.2146-1G>C gene variant were studied. Our primary aim was to determine the carriers that fulfilled the arrhythmogenic right ventricular cardiomyopathy (ARVC) diagnostic criteria of 2010. Our secondary aim was to investigate whether any specific clinical characteristics can be attributed to this particular gene variant. Index patients were assessed using next generation ARVC panel sequencing technique and their family members were assessed by Sanger sequencing targeted at the PKP2 c...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27335690/increased-expression-of-estrogen-related-receptor-%C3%AE-during-adaptation-of-adult-cardiomyocytes-to-sustained-hypoxia
#9
Kathryn F Cunningham, Gyda C Beeson, Craig C Beeson, Paul J McDermott
UNLABELLED: Estrogen-related Receptors (ERR) are members of the steroid hormone receptor superfamily of transcription factors that regulate expression of genes required for energy metabolism including mitochondrial biogenesis, fatty acid oxidation and oxidative phosphorylation. While ERRα and EPPγ isoforms are known to share a wide array of target genes in the adult myocardium, the function of ERRβ has not been characterized in cardiomyocytes. The purpose of this study was to determine the role of ERRβ in regulating energy metabolism in adult cardiomyocytes in primary culture...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27335689/hemodynamic-and-metabolic-response-during-dynamic-and-resistance-exercise-in-different-intensities-a-cross-sectional-study-on-implications-of-intensity-on-safety-and-symptoms-in-patients-with-coronary-disease
#10
Flavia Rossi Caruso, Jose Carlos Bonjorno Junior, Renata G Mendes, Milena Pelosi Sperling, Vivian M Arakelian, Daniela Bassi, Ross Arena, Audrey Borghi-Silva
Resistance (RE) and aerobic exercise (AE) can promote hemodynamic, physiologic and clinical modifications in coronary artery disease (CAD) patients. The aim of the study is to assess key physiologic and clinical responses during RE at 30% and 60% of 1-RM on a 45° leg press and to compare responses during AE. We evaluated fifteen male subjects with coronary artery disease (60.8±4.7 years) that performed the following tests: (1) incremental AE test on cycle ergometer; (2) 1-RM test on a leg press at 45°; (3) and RE at 30% and 60% of 1-RM for 24 repetitions...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27335688/inhibition-of-collagen-synthesis-by-select-calcium-and-sodium-channel-blockers-can-be-mitigated-by-ascorbic-acid-and-ascorbyl-palmitate
#11
Vadim Ivanov, Svetlana Ivanova, Tatiana Kalinovsky, Aleksandra Niedzwiecki, Matthias Rath
Calcium, sodium and potassium channel blockers are widely prescribed medications for a variety of health problems, most frequently for cardiac arrhythmias, hypertension, angina pectoris and other disorders. However, chronic application of channel blockers is associated with numerous side effects, including worsening cardiac pathology. For example, nifedipine, a calcium-channel blocker was found to be associated with increased mortality and increased risk for myocardial infarction. In addition to the side effects mentioned above by different channel blockers, these drugs can cause arterial wall damage, thereby contributing to vascular wall structure destabilization and promoting events facilitating rupture of plaques...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27335687/long-non-coding-rna-mediated-regulation-of-glucose-homeostasis-and-diabetes
#12
REVIEW
Xinghui Sun, Danny Wong
Long non-coding RNAs (lncRNAs) represent an important class of non-coding RNAs that plays key roles in regulating the expression of genes in health and disease. Accumulating genetic, experimental, and epidemiological studies highlight a growing list of lncRNAs that control glucose homeostasis and diabetic pathologies and complications. Through interactions with chromatin, RNA, and protein, lncRNAs modulate chromatin modification, mRNA stability, microRNA activity, and the function of proteins such as transcription factors...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27073732/ventricular-septal-rupture-complicating-acute-myocardial-infarction-in-the-modern-era-with-mechanical-circulatory-support-a-single-center-observational-study
#13
Jared J Liebelt, Yuanquan Yang, Joseph J DeRose, Cynthia C Taub
Ventricular septal rupture (VSR) is a rare but devastating complication after acute myocardial infarction (AMI). While the incidence has decreased, the mortality rate from VSR has remained extremely high. The use of mechanical circulatory support with intra-aortic balloon pump (IABP) and extracorporal membrane oxygenation (ECMO) may be useful in providing hemodynamic stability and time for myocardial scarring. However, the optimal timing for surgical repair remains an enigma. Retrospective analysis of 14 consecutive patients diagnosed with VSR after AMI at Montefiore Medical Center between January 2009 and June 2015...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/27073731/high-fat-diet-induced-alterations-of-atrial-electrical-activities-in-mice
#14
Fan Zhang, Sigurd Hartnett, Alex Sample, Sabrina Schnack, Yifan Li
Obesity is a well-known risk factor for various cardiovascular diseases. Recent clinical data showed that overweight and obese patients have higher incidence of atrial fibrillation (AF) compared with individuals with normal body weights, but the underlying mechanisms remain to be elucidated. In this study, we investigated the effects of a high fat diet on atrial activities in mice. ICR male mice were fed a regular diet (RD) or a high fat diet (HFD) for 8 weeks. Mice fed HFD showed significantly greater body weight gains and visceral fat accumulation compared with RD mice...
2016: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/26550530/the-influence-of-type-2-diabetes-and-gender-on-ventricular-repolarization-dispersion-in-patients-with-sub-clinic-left-ventricular-diastolic-dysfunction
#15
Ylber Jani, Ahmet Kamberi, Sotir Xhunga, Bekim Pocesta, Fatmir Ferati, Dali Lala, Agim Zeqiri, Atila Rexhepi
OBJECTIVE: To assess the influence of type 2 DM and gender, on the QT dispersion, Tpeak-Tend dispersion of ventricular repolarization, in patients with sub-clinic left ventricular diastolic dysfunction of the heart. BACKGROUND: QT dispersion, that reflects spatial inhomogeneity in ventricular repolarization, Tpeak-Tend dispersion, this on the other hand reflects transmural inhomogeneity in ventricular repolarization, that is increased in an early stage of cardiomyopathy, and in patients with left ventricular diastolic dysfunction, as well...
2015: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/26550529/intracerebral-hemorrhage-revealing-a-cushing-s-disease
#16
Héloïse Chauveau, Nadia Berhoune, Claire Sharon, Emmanuel Jouanneau, Norbert Nighoghossian
Secondary hypertension related to endocrine disease is uncommon. Here, we report a case of hypertensive intracerebral hemorrhage associated with Cushing's disease.
2015: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/26417534/the-effect-of-multiple-micronutrient-supplementation-on-quality-of-life-in-patients-with-symptomatic-heart-failure-secondary-to-ischemic-heart-disease-a-prospective-case-series-clinical-study
#17
Ang-Peng Wong, Abdul-Latiff Mohamed, Aleksandra Niedzwiecki
Heart failure is a progressive cardiovascular disorder and, in most cases, begins with atherosclerosis and ischemic heart disease. The prognosis of patients with heart failure is poor, even with improvement on the management of all forms of ischemic heart disease. There have been studies on heart failure using a single nutrient or a combination of multiple nutrients. Results are mixed. The aim of this study was to assess the influence of multiple micronutrient supplementation using the quality of life measure on patients with heart failure secondary to ischemic heart disease...
2015: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/26417533/proteomic-approaches-to-identify-circulating-biomarkers-in-patients-with-abdominal-aortic-aneurysm
#18
REVIEW
Dan Bylund, Anders E Henriksson
Abdominal aortic aneurysm (AAA) is a common condition with high mortality when ruptured. Most clinicians agree that small AAAs are best managed by ultrasonographic surveillance. However, it has been stated in recent reviews that a serum/plasma biomarker that predicts AAA rupture risk would be a powerful tool in stratifying patients with small AAAs. Identification of such circulating biomarkers with traditional hypothesis driven studies has been unsuccessful. In this review we summarize six studies using different proteomic approaches to find new, potential plasma AAA biomarker candidates...
2015: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/26309776/oxygen-surrounding-the-heart-during-ischemic-conservation-determines-the-myocardial-injury-during-reperfusion
#19
Yansheng Feng, Jean Chrisostome Bopassa
There is discrepancy regarding the duration of reperfusion required using 2,3,5-triphenyl-2H-tetrazolium chloride (TTC) staining to assess myocardial infarction in an isolated, perfused heart model. Several investigators prefer long-term reperfusion (120 minutes) to determine myocardial injury, while others have used a shorter duration (30-40 minutes). We investigated whether oxygen surrounding the myocardium during ischemia plays a critical role in the installation of myocardial infarction during reperfusion...
2015: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/26309775/physiological-adaptation-of-the-left-ventricle-during-the-second-and-third-trimesters-of-a-healthy-pregnancy-a-speckle-tracking-echocardiography-study
#20
Tomo Ando, Rupinder Kaur, Anthony A Holmes, Allison Brusati, Kana Fujikura, Cynthia C Taub
BACKGROUND: During a healthy pregnancy women experience cardiovascular and hemodynamic changes and normal ranges of left ventricular (LV) function on two-dimensional speckle tracking echocardiography (STE) are not well defined. The aim of this study was to describe the cardiovascular changes that occur during the second and third trimesters of a healthy pregnancy using STE. METHODS: Pregnant subjects were enrolled retrospectively if they underwent a transthoracic echocardiography (TTE) between 2011-2014...
2015: American Journal of Cardiovascular Disease
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