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Diabetes diastolic dysfunction

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https://www.readbyqxmd.com/read/28540852/association-of-polyunsaturated-saturated-fatty-acids-to-metabolic-syndrome-cardiovascular-risk-factors-and-lipoprotein-a-in-hypertensive-type-2-diabetic-patients
#1
Amira Fatma Bennacer, Elmahdi Haffaf, Ghouti Kacimi, Brahim Oudjit, Elhadj-Ahmed Koceir
The interactions between fatty acids (FA) classes: polyunsaturated (PUFA-ω6, PUFA-ω3), saturated (SFA), EPA (eicosapentaenoic acid-ω3), DHA (docosahexaenoic-ω3) and cardiometabolic syndrome (CMS) clusters, thrombosis development and vascular inflammation are subtle. This relationship is mediated by insulin resistance (IR), endothelial dysfunction, platelet aggregation disorder and atherosclerosis. OBJECTIVES: We investigated whether PUFA/SFA - PUFA-ω6/PUFA-ω3 ratios and EPA + DHA can be associated with predictive atherothrombogenic biomarkers status in type 2 diabetes (T2D) patients with or without hypertension (HT)...
June 1, 2017: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/28535775/factors-influencing-postoperative-atrial-fibrillation-in-patients-undergoing-on-pump-coronary-artery-bypass-grafting-single-center-experience
#2
Mohamed F Ismail, Ahmed F El-Mahrouk, Tamer H Hamouda, Hanan Radwan, Ali Haneef, Ahmed A Jamjoom
BACKGROUND: The reported incidence of AF after CABG surgery varies from 20 to 40%, with the arrhythmia usually occurring between second and fourth postoperative days. Postoperative AF after CABG was associated with greater in-hospital mortality and worse survival at long-term follow-up. Therefore, intensive attention has focused on the prevention of AF in high-risk patients. Many perioperative factors have been suggested to increase the incidence of postoperative AF after conventional CABG...
May 23, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28494974/multiple-comorbidities-and-response-to-cardiac-resynchronization-therapy-madit-crt-long-term-follow-up
#3
Emily P Zeitler, Daniel J Friedman, James P Daubert, Sana M Al-Khatib, Scott D Solomon, Yitschak Biton, Scott McNitt, Wojciech Zareba, Arthur J Moss, Valentina Kutyifa
BACKGROUND: Data regarding cardiac resynchronization therapy (CRT) in patients with multiple comorbidities are limited. OBJECTIVES: This study evaluated the association of multiple comorbidities with the benefits of CRT over implantable cardioverter-defibrillator (ICD) alone. METHODS: We examined 1,214 MADIT-CRT (Multicenter Automatic Defibrillator Implantation Trial with Cardiac Resynchronization Therapy) study patients with left bundle branch block (LBBB) and 0, 1, 2, or ≥3 comorbidities, including renal dysfunction, hypertension (HTN), diabetes, coronary artery disease, history of atrial arrhythmias, history of ventricular arrhythmias, current smoking, and cerebrovascular accident...
May 16, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28490337/effect-of-sitagliptin-on-the-echocardiographic-parameters-of-left-ventricular-diastolic-function-in-patients-with-type-2-diabetes-a-subgroup-analysis-of-the-prologue-study
#4
Hirotsugu Yamada, Atsushi Tanaka, Kenya Kusunose, Rie Amano, Munehide Matsuhisa, Hiroyuki Daida, Masaaki Ito, Hiroyuki Tsutsui, Mamoru Nanasato, Haruo Kamiya, Yasuko K Bando, Masato Odawara, Hisako Yoshida, Toyoaki Murohara, Masataka Sata, Koichi Node
BACKGROUND: Diabetes is associated closely with an increased risk of cardiovascular events, including diastolic dysfunction and heart failure that leads to a shortening of life expectancy. It is therefore extremely valuable to evaluate the impact of antidiabetic agents on cardiac function. However, the influence of dipeptidyl peptidase 4 inhibitors on cardiac function is controversial and a major matter of clinical concern. We therefore evaluated the effect of sitagliptin on echocardiographic parameters of diastolic function in patients with type 2 diabetes as a sub-analysis of the PROLOGUE study...
May 11, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28487469/phosphoinositide-3-kinase-p110%C3%AE-gene-delivery-limits-diabetes-induced-cardiac-nadph-oxidase-and-cardiomyopathy-in-a-mouse-model-with-established-diastolic-dysfunction
#5
Darnel Prakoso, Miles J DeBlasio, Chengxue Qin, Sarah Rosli, Helen Kiriazis, Hongwei Qian, Xiao-Jun Du, Kate L Weeks, Paul Gregorevic, Julie R McMullen, Rebecca H Ritchie
Phosphoinositide 3-kinase [PI3K (p110α)] is able to negatively regulate the diabetes-induced increase in NADPH oxidase in the heart. Patients affected by diabetes exhibit significant cardiovascular morbidity and mortality, at least in part due to a cardiomyopathy characterised by oxidative stress and left ventricular (LV) dysfunction. Thus, PI3K (p110α) may represent a novel approach to protect the heart from diabetes-induced cardiac oxidative stress and dysfunction. In the current study, we investigated the therapeutic potential of a delayed intervention with cardiac-targeted PI3K gene therapy, administered to mice with established diabetes-induced LV diastolic dysfunction...
May 9, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28473471/are-targeted-therapies-for-diabetic-cardiomyopathy-on-the-horizon
#6
REVIEW
Mitchel Tate, David J Grieve, Rebecca H Ritchie
Diabetes increases the risk of heart failure approximately 2.5-fold, independent of coronary artery disease and other comorbidities. This process, termed diabetic cardiomyopathy, is characterized by initial impairment of left ventricular (LV) relaxation followed by LV contractile dysfunction. Post-mortem examination reveals that human diastolic dysfunction is closely associated with LV damage, including cardiomyocyte hypertrophy, apoptosis and fibrosis, with impaired coronary microvascular perfusion. The pathophysiological mechanisms underpinning the characteristic features of diabetic cardiomyopathy remain poorly understood, although multiple factors including altered lipid metabolism, mitochondrial dysfunction, oxidative stress, endoplasmic reticulum (ER) stress, inflammation, as well as epigenetic changes, are implicated...
May 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28473401/ranolazine-in-symptomatic-diabetic-patients-without-obstructive-coronary-artery-disease-impact-on-microvascular-and-diastolic-function
#7
Nishant R Shah, Michael K Cheezum, Vikas Veeranna, Stephen J Horgan, Viviany R Taqueti, Venkatesh L Murthy, Courtney Foster, Jon Hainer, Karla M Daniels, Jose Rivero, Amil M Shah, Peter H Stone, David A Morrow, Michael L Steigner, Sharmila Dorbala, Ron Blankstein, Marcelo F Di Carli
BACKGROUND: Treatments for patients with myocardial ischemia in the absence of angiographic obstructive coronary artery disease are limited. In these patients, particularly those with diabetes mellitus, diffuse coronary atherosclerosis and microvascular dysfunction is a common phenotype and may be accompanied by diastolic dysfunction. Our primary aim was to determine whether ranolazine would quantitatively improve exercise-stimulated myocardial blood flow and cardiac function in symptomatic diabetic patients without obstructive coronary artery disease...
May 4, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28472392/lung-ultrasound-as-a-translational-approach-for-non-invasive-assessment-of-heart-failure-with-reduced-or-preserved-ejection-fraction-in-mice
#8
María Villalba-Orero, Marina M López-Olañeta, Esther González-López, Laura Padrón-Barthe, Jesús M Gómez-Salinero, Jaime García-Prieto, Timothy Wai, Pablo García-Pavía, Borja Ibáñez, Luis J Jiménez-Borreguero, Enrique Lara-Pezzi
Methods and results: ─ We used LUS to study HF in a mouse model of systolic dysfunction, dilated cardiomyopathy, and in a mouse model of diastolic dysfunction, diabetic cardiomyopathy. LUS proved to be a reliable and reproducible tool to detect pulmonary congestion in mice. The combination of LUS and echocardiography allowed discriminating those mice that develop HF from those that do not, even in the presence of evident cardiac dysfunction. The study showed that LUS can be used to identify the onset of HF decompensation and to evaluate the efficacy of therapies for this syndrome...
May 4, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28467149/is-preterm-placental-calcification-related-to-adverse-maternal-and-foetal-outcome
#9
Ashraf Jamal, Maryam Moshfeghi, Saeedreza Moshfeghi, Nooshin Mohammadi, Elahe Zarean, Nadia Jahangiri
This prospective cohort study aimed to evaluate the role of premature placental calcification in adverse pregnancy outcomes and identify its associated potential risk factors. We consecutively enrolled 293 women who presented to three academic medical centres from September 2011 to March 2013. Participants underwent transabdominal sonographies between 28-36 weeks of gestation in an attempt to determine placental maturity. We compared maternal and foetal outcomes between two groups of women, those with grade III placenta (n = 69) and those without grade III placenta (n = 224)...
May 3, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28455679/weight-loss-and-improvement-in-comorbidity-differences-at-5-10-15-and-over
#10
REVIEW
Donna H Ryan, Sarah Ryan Yockey
PURPOSE OF REVIEW: One begins to see improvement in glycemic measures and triglycerides with small amounts of weight loss, but with greater levels of weight loss there is even greater improvement. In fact, the relationship between weight loss and glycemia is one that is very close. RECENT FINDINGS: This is fortunate for diabetes prevention; it takes only small amounts of weight loss to prevent progression to type 2 diabetes from impaired glucose tolerance, and after the 10 kg of weight loss, one cannot demonstrate much additional improvement in risk reduction...
April 28, 2017: Current Obesity Reports
https://www.readbyqxmd.com/read/28450040/comparison-of-predictors-of-heart-failure-with-preserved-versus-reduced-ejection-fraction-in-a-multiracial-cohort-of-preclinical-left-ventricular-diastolic-dysfunction
#11
Lili Zhang, Jared J Liebelt, Nidhi Madan, Jian Shan, Cynthia C Taub
Preclinical diastolic dysfunction (PDD) is a well-known but poorly understood risk factor for heart failure. We aimed to investigate risk factors contributing to progression of PDD to heart failure with preserved ejection fraction (HFpEF) and heart failure with reduced ejection fraction (HFrEF). Patients with echocardiogram from 2003 to 2008 with left ventricular ejection fraction ≥50%, grade I diastolic dysfunction, and free of clinical heart failure were included. The end point was incident HFpEF or HFrEF...
June 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28439258/diabetic-cardiomyopathy-an-immunometabolic-perspective
#12
REVIEW
Paras K Mishra, Wei Ying, Shyam Sundar Nandi, Gautam K Bandyopadhyay, Kaushik K Patel, Sushil K Mahata
The heart possesses a remarkable inherent capability to adapt itself to a wide array of genetic and extrinsic factors to maintain contractile function. Failure to sustain its compensatory responses results in cardiac dysfunction, leading to cardiomyopathy. Diabetic cardiomyopathy (DCM) is characterized by left ventricular hypertrophy and reduced diastolic function, with or without concurrent systolic dysfunction in the absence of hypertension and coronary artery disease. Changes in substrate metabolism, oxidative stress, endoplasmic reticulum stress, formation of extracellular matrix proteins, and advanced glycation end products constitute the early stage in DCM...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28412852/transitional-hemodynamics-in-infants-of-diabetic-mothers-by-targeted-neonatal-echocardiography-electrocardiography-and-peripheral-flow-study
#13
Ingrid Anne Mandy Schierz, Giuseppa Pinello, Ettore Piro, Mario Giuffrè, Simona La Placa, Giovanni Corsello
OBJECTIVE: Metabolic alterations of intrauterine environment in diabetes mellitus (DM) lead to fetal cardiac dysfunctions that can persist after birth. The aim of the study was to assess the cardiovascular adaptation in infants born to diabetic mothers (IDM) with different degrees of glycometabolic control, in relation to revised guidelines for diagnosis of DM and quality improvements in neonatal care. MATERIALS AND METHODS: An observational case-control study was conducted on IDM with gestational, type 1 and type 2 DM...
May 5, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28411073/arterial-stiffness-and-elevated-left-ventricular-filling-pressure-in-patients-at-risk-for-the-development-or-a-previous-diagnosis-of-hf-a-subgroup-analysis-from-the-diast-chf-study
#14
Claus Lüers, Tobias Daniel Trippel, Sebastian Seeländer, Rolf Wachter, Gerd Hasenfuss, Ruhdja Lindhorst, Anna Bobenko, Kathleen Nolte, Burkert Pieske, Frank Edelmann
Left ventricular filling pressure (LVFP) is a marker for diastolic dysfunction and heart failure (HF) with preserved ejection fraction (pEF). The interaction between arterial stiffness (AS) and elevated LVFP has not been sufficiently investigated. In 257 patients with preserved left ventricular ejection fraction (mean age: 66 years, 53% female, mean left ventricular ejection fraction: 61%) and at least one cardiovascular risk factor (eg, hypertension and diabetes) for the development of HF or a previous diagnosis of HF, LVFP was estimated in accordance with the recommendations of the American Society of Echocardiography (elevated when E/e' ≥ 13, left atrial volume index ≥ 34 mL/m(2))...
March 27, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28407661/effect-of-saxagliptin-on-circulating-endothelial-progenitor-cells-and-endothelial-function-in-newly-diagnosed-type-2-diabetic-patients
#15
Fang Li, Jiachao Chen, Fei Leng, Zhiqiang Lu, Yan Ling
Endothelial dysfunction is associated with the risk of cardiovascular complications in diabetic patients. Endothelial progenitor cells (EPCs) and flow-mediated dilation (FMD) are common markers of endothelial function. In this study, we aim to investigate whether the DPP-4 inhibitor saxagliptin modulate EPCs number and FMD in newly diagnosed, treatment-naive type 2 diabetic patients. This was a controlled, randomized, open-label clinical trial. Saxagliptin group and metformin group consumed either saxagliptin 5 mg per day or metformin 1 500 mg per day respectively for 12 weeks...
April 13, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28400931/evaluation-of-cardiac-functions-in-children-and-adolescents-with-type-1-diabetes
#16
Faten M Abd-El Aziz, Shereen Abdelghaffar, Eman M Hussien, Aya M Fattouh
BACKGROUND: Cardiac dysfunction in patients with type 1 diabetes (T1D) represents one of the serious complications. To evaluate the cardiac function in children with T1D by conventional echocardiography and tissue Doppler imaging (TDI). METHODS: The study included 40 T1D patients (age between 6 and 16 years) with > 5 years duration of diabetes and 42 healthy control children. The patients were subjected to clinical evaluation and laboratory investigations [glycosylated hemoglobin A1c (HbA1c), serum lipids and lipoproteins]...
March 2017: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28395010/inflammation-and-metabolic-cardiomyopathy
#17
Kazuhiko Nishida, Kinya Otsu
Excessive feeding is associated with an increase in the incidence of chronic metabolic diseases, such as obesity, insulin resistance, and type 2 diabetes. Metabolic disturbance induces chronic low-grade inflammation in metabolically-important organs, such as the liver and adipose tissue. Many of the inflammatory signalling pathways are directly triggered by nutrients. The pro-inflammatory mediators in adipocytes and macrophages infiltrating adipose tissue promote both local and systemic pro-inflammatory status...
March 15, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28394363/interleukin-18-mediates-cardiac-dysfunction-induced-by-western-diet-independent-of-obesity-and-hyperglycemia-in-the-mouse
#18
S Carbone, P J H Lee, A G Mauro, E Mezzaroma, R Buzzetti, B Van Tassell, A Abbate, S Toldo
Obesity and diabetes are independent risk factors for heart failure and are associated with the consumption of diet rich in saturated fat and sugar, Western diet (WD), known to induce cardiac dysfunction in the mouse through incompletely characterized inflammatory mechanisms. We hypothesized that the detrimental cardiac effects of WD are mediated by interleukin-18 (IL-18), pro-inflammatory cytokine linked to cardiac dysfunction. C57BL/6J wild-type male mice and IL-18 knockout male mice were fed high-saturated fat and high-sugar diet for 8 weeks...
April 10, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28374918/left-atrial-volume-and-function-in-patients-with-cardiac-syndrome-x-assessed-by-real-time-three-dimensional-echocardiography
#19
Nusret Acıkgoz, Julide Yagmur, Ertugrul Kurtoglu, Necip Ermis, Mehmet Cansel
OBJECTIVE: The aim of this study was to evaluate left atrial (LA) volume and function using real time three-dimensional echocardiography (RT3DE) in patients with cardiac syndrome X (CSX). METHODS: Fifty patients with CSX (28 females; mean age 50.9±10.9 years) and 50 age- and gender-matched healthy controls (30 females; mean age 52.3±9.8 years) who had negative treadmill exercise test and normal coronary arteries on invasive coronary angiography were included in the study...
April 4, 2017: Echocardiography
https://www.readbyqxmd.com/read/28344129/role-of-microrna-in-diabetic-cardiomyopathy-from-mechanism-to-intervention
#20
REVIEW
Rui Guo, Sreejayan Nair
Diabetic cardiomyopathy is a chronic and irreversible heart complication in diabetic patients, and is characterized by complex pathophysiologic events including early diastolic dysfunction, cardiac hypertrophy, ventricular dilation and systolic dysfunction, eventually resulting in heart failure. Despite these characteristics, the underlying mechanisms leading to diabetic cardiomyopathy are still elusive. Recent studies have implicated microRNA, a small and highly conserved non-coding RNA molecule, in the etiology of diabetes and its complications, suggesting a potentially novel approach for the diagnosis and treatment of diabetic cardiomyopathy...
March 24, 2017: Biochimica et Biophysica Acta
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