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Diabetes diastolic dysfunction

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https://www.readbyqxmd.com/read/28746811/the-acute-effects-of-different-spironolactone-doses-on-cardiac-function-in-streptozotocin-induced-diabetic-rats
#1
Aleksandra Vranic, Stefan Simovic, Petar Ristic, Tamara R Nikolic, Isidora Stojic, Ivan M Srejovic, Vladimir I Zivkovic, Vladimir Jakovljevic, Dusan Djuric
Currently, cardiovascular diseases are leading cause of global mortality, while diabetes mellitus remains an important cause of cardiovascular morbidity. Findings suggest that obesity and diabetes mellitus are closely interconnected with high aldosterone levels, while mineralocorticoid receptors antagonist therapy has shown positive effects on cardiovascular complications associated with diabetes mellitus. A recent study showed that patients with diabetes mellitus treated with mineralocorticoid receptors antagonist have improved coronary microvascular function, leading to improved diastolic dysfunction...
July 26, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28739841/the-goldilocks-zone-of-fatty-acid-metabolism-to-ensure-that-the-relationship-with-cardiac-function-is-just-right
#2
REVIEW
Matthew Kerr, Michael S Dodd, Lisa C Heather
Fatty acids (FA) are the main fuel used by the healthy heart to power contraction, supplying 60-70% of the ATP required. FA generate more ATP per carbon molecule than glucose, but require more oxygen to produce the ATP, making them a more energy dense but less oxygen efficient fuel compared with glucose. The pathways involved in myocardial FA metabolism are regulated at various subcellular levels, and can be divided into sarcolemmal FA uptake, cytosolic activation and storage, mitochondrial uptake and β-oxidation...
August 15, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28737258/preclinical-alterations-in-myocardial-microstructure-in-people-with-metabolic-syndrome
#3
Jennifer E Ho, Youssef Rahban, Harpaul Sandhu, Pranoti G Hiremath, Nir Ayalon, Fuzhong Qin, Alejandro J Perez, Jill Downing, Deepa M Gopal, Susan Cheng, Wilson S Colucci
OBJECTIVE: Metabolic syndrome (MetS) can lead to myocardial fibrosis, diastolic dysfunction, and eventual heart failure. This study evaluated alterations in myocardial microstructure in people with MetS by using a novel algorithm to characterize ultrasonic signal intensity variation. METHODS: Among 254 participants without existing cardiovascular disease (mean age 42 ± 11 years, 75% women), there were 162 with MetS, 47 with obesity without MetS, and 45 nonobese controls...
July 24, 2017: Obesity
https://www.readbyqxmd.com/read/28733758/mechanistic-insights-of-empagliflozin-mediated-cardiac-benefits-nearing-the-starting-line-editorial-to-empagliflozin-improves-left-ventricular-diastolic-dysfunction-in-a-genetic-model-of-type-2-diabetes-by-n-hammoudi-et-al
#4
EDITORIAL
https://www.readbyqxmd.com/read/28728485/factors-associated-with-global-longitudinal-strain-decline-in-hypertensive-patients-with-normal-left-ventricular-ejection-fraction
#5
Nabila Soufi Taleb Bendiab, Abderrahim Meziane-Tani, Souhila Ouabdesselam, Nadera Methia, Samia Latreche, Latefa Henaoui, Jean-Jacques Monsuez, Salim Benkhedda
Background Early detection of risk factors for left ventricular (LV) dysfunction may be useful in patients with high blood pressure (HBP). Methods Patient from an outpatient HBP clinic underwent a two-dimensional Doppler-coupled echocardiography with determination of LV global longitudinal strain (GLS) by speckle-tracking. Results Among 200 patients (mean age 61.7 ± 9.7 years), 155 were overweight, 93 had diabetes, 83 had dyslipidemia, and 109 had uncontrolled HBP. LV hypertrophy (LVH) was found in 136 patients (68%), including concentric ( n = 106) and eccentric ( n = 30) LVH...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28727746/atorvastatin-reduces-%C3%AE-adrenergic-dysfunction-in-rats-with-diabetic-cardiomyopathy
#6
Aude Carillion, Sarah Feldman, Na Na, Matthieu Biais, Wassila Carpentier, Aurélie Birenbaum, Nicolas Cagnard, Xavier Loyer, Dominique Bonnefont-Rousselot, Stéphane Hatem, Bruno Riou, Julien Amour
BACKGROUND: In the diabetic heart the β-adrenergic response is altered partly by down-regulation of the β1-adrenoceptor, reducing its positive inotropic effect and up-regulation of the β3-adrenoceptor, increasing its negative inotropic effect. Statins have clinical benefits on morbidity and mortality in diabetic patients which are attributed to their "pleiotropic" effects. The objective of our study was to investigate the role of statin treatment on β-adrenergic dysfunction in diabetic rat cardiomyocytes...
2017: PloS One
https://www.readbyqxmd.com/read/28720592/exercise-training-improves-but-does-not-normalize-left-ventricular-systolic-and-diastolic-function-in-adolescents-with-type-1-diabetes
#7
Silmara Gusso, Teresa Pinto, James C Baldi, José G B Derraik, Wayne S Cutfield, Tim Hornung, Paul L Hofman
OBJECTIVE: To determine the impact of 20 weeks of exercise training in aerobic capacity on left ventricular function and glycemic control in adolescents with and without type 1 diabetes. RESEARCH DESIGN AND METHODS: Fifty-three adolescents with type 1 diabetes (aged 15.6 years) were divided into two groups: exercise training (n = 38) and nontraining (n = 15). Twenty-two healthy adolescents without diabetes (aged 16.7 years) were included and, with the 38 participants with type 1 diabetes, participated in a 20-week exercise-training intervention...
July 18, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28720299/cats-with-diabetes-mellitus-have-diastolic-dysfunction-in-the-absence-of-structural-heart-disease
#8
N J Pereira, J Novo Matos, M Baron Toaldo, U Bartoszuk, N Summerfield, A Riederer, C Reusch, T M Glaus
Diabetes mellitus (DM) can result in cardiovascular dysfunction and heart failure characterized by diastolic dysfunction with or without the presence of systolic dysfunction in people and laboratory animals. The objective of this prospective study was to determine if cats with newly diagnosed DM had myocardial dysfunction and, if present, whether it would progress if appropriate antidiabetic therapy was commenced. Thirty-two diabetic cats were enrolled and received baseline echocardiographic examination; of these, 15 cats were re-examined after 6 months...
July 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28716801/diabetes-mellitus-microalbuminuria-and-subclinical-cardiac-disease-identification-and-monitoring-of-individuals-at-risk-of-heart-failure
#9
Peter P Swoboda, Adam K McDiarmid, Bara Erhayiem, David P Ripley, Laura E Dobson, Pankaj Garg, Tarique A Musa, Klaus K Witte, Mark T Kearney, Julian H Barth, Ramzi Ajjan, John P Greenwood, Sven Plein
BACKGROUND: Patients with type 2 diabetes mellitus and elevated urinary albumin:creatinine ratio (ACR) have increased risk of heart failure. We hypothesized this was because of cardiac tissue changes rather than silent coronary artery disease. METHODS AND RESULTS: In a case-controlled observational study 130 subjects including 50 ACR+ve diabetes mellitus patients with persistent microalbuminuria (ACR >2.5 mg/mol in males and >3.5 mg/mol in females, ≥2 measurements, no previous renin-angiotensin-aldosterone therapy, 50 ACR-ve diabetes mellitus patients and 30 controls underwent cardiovascular magnetic resonance for investigation of myocardial fibrosis, ischemia and infarction, and echocardiography...
July 17, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28715448/effect-of-synergistic-interaction-between-abnormal-adiposity-related-metabolism-and-prediabetes-on-microalbuminuria-in-the-general-population
#10
Jong Wook Choi, Il Hwan Oh, Chang Hwa Lee, Joon-Sung Park
Central obesity and related metabolic components are important risks for microalbuminuria. To describe the effects of interactions between central obesity and related metabolic components on microalbuminuria, we conducted a nation-wide, population-based interaction analysis using cardio-metabolic index (CMI) as a candidate indicator of central obesity and related abnormal lipid metabolism. We recruited native Koreans aged 20 years or older with no medical illness. A total of 5398 participants were divided into quintiles according to CMI with sex as a covariate factor...
2017: PloS One
https://www.readbyqxmd.com/read/28710184/diagnostic-value-of-four-dimensional-ct-angiography-in-arterial-erectile-dysfunction-using-320-detector-row-dynamic-volume-ct
#11
Cheng-Cheng Xu, Xin-Zhong Ruan, Yi-Fan Tang, Jiao-Hai Pan, Guo-Yao Wang, Qiu-Li Huang
The study aims to evaluate the diagnostic value of four-dimensional CT angiography (4D-CTA) in the diagnosis of arterial erectile dysfunction (ED) using 320-detector row dynamic volume CT. Arterial ED patients attributed to arterial insufficiency were enrolled. To induce penile erection, an intracavernous injection of corpus cavernosum with a vasoactive drug was administered. Patients were assigned into the erection hardness score (EHS) 1/2 group or EHS 3/4 group. Color duplex Doppler ultrasound (CDDU) was used to analyze blood flow spectrum...
July 14, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28695302/argatroban-attenuates-diabetic-cardiomyopathy-in-rats-by-reducing-fibrosis-inflammation-apoptosis-and-protease-activated-receptor-expression
#12
Yogesh Bulani, Shyam Sunder Sharma
PURPOSE: Chronic diabetes is associated with cardiovascular dysfunctions. Diabetic cardiomyopathy (DCM) is one of the serious cardiovascular complications associated with diabetes. Despite significant efforts in understanding the pathophysiology of DCM, management of DCM is not adequate due to its complex pathophysiology. Recently, involvement of protease-activated receptors (PARs) has been postulated in cardiovascular diseases. These receptors are activated by thrombin, trypsin, or other serine proteases...
July 10, 2017: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/28685679/clinical-approach-to-diabetic-cardiomiopathy-a-review-of-human-studies
#13
Roberto Tarquini, Laura Pala, Simona Brancati, Giulia Vannini, Salvatore De Cosmo, Gianluigi Mazzoccoli, Carlo Maria Rotella
BACKGROUND: Diabetic Cardiomiopathy (DC) has been defined as a distinct entity characterized by the presence of diastolic or systolic cardiac dysfunction in a diabetic patient in the absence of other causes for Cardiomiopathy, such as coronary artery disease (CAD), hypertension (HTN), or valvular heart disease. Diabetes affects every organ in the body and cardiovascular disease accounts for two-thirds of the mortality in the diabetic population. Diabetes-related heart disease occurs in the form of coronary artery disease (CAD), cardiac autonomic neuropathy or DC...
July 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28685602/relationship-of-biomarkers-of-extracellular-matrix-with-myocardial-function-in-type-2-diabetes-mellitus
#14
Ju-Hua Liu, Yan Chen, Zhe Zhen, Lai-Ming Ho, Anita Tsang, Michele Yuen, Karen Lam, Hung-Fat Tse, Kai-Hang Yiu
AIM: The study evaluated the relationship of extracellular matrix and renin angiotensin system with myocardial dysfunction in Type 2 diabetes mellitus. METHODS: All patients underwent resting and exercise echocardiography, including conventional parameters, E/E' ratio, global longitudinal strain and diastolic function reserve index. Plasma matrix metalloproteinase-1, TIMP-1, amino-terminal propeptide of type I and type III procollagen and renin angiotensin system activity were measured...
July 7, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28683825/diabetic-retinopathy-is-associated-with-diastolic-dysfunction-in-type-2-diabetic-patients-with-non-ischemic-dilated-cardiomyopathy
#15
Yoo-Ri Chung, Se-Jun Park, Ka Young Moon, Seoyoung Annie Choi, Hong-Seok Lim, Sung Wook Park, Jeong Hun Kim, Kihwang Lee
BACKGROUND: To investigate the association between diabetic retinopathy (DR) and myocardial dysfunction in patients with type 2 diabetes and dilated cardiomyopathy (dCMP). METHODS: Data were collected retrospectively from 89 patients with dCMP (46 with type 2 diabetes and 43 without diabetes) and no evidence of coronary artery disease. Echocardiographic parameters and laboratory data, including lipid profiles and fundus findings, were obtained from medical records...
July 6, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28674618/higher-number-of-live-births-is-associated-with-left-ventricular-diastolic-dysfunction-and-adverse-cardiac-remodelling-among-us-hispanic-latina-women-results-from-the-echocardiographic-study-of-latinos
#16
Shivani R Aggarwal, David M Herrington, Catherine J Vladutiu, Jill C Newman, Katrina Swett, Franklyn Gonzalez, Jorge R Kizer, Michelle A Kominiarek, Karen M Tabb, Linda C Gallo, Gregory A Talavera, Barry E Hurwitz, Carlos J Rodriguez
INTRODUCTION: Female sex is a risk factor for heart failure with preserved ejection fraction (HFpEF). Previous literature suggests that some diastolic dysfunction (DD) develops during pregnancy and may persist postdelivery. Our objective was to examine the relationship between parity and cardiac structure and function in a population-based cohort. METHODS: Participants included 1172 Hispanic/Latina women, aged ≥45 years, enrolled in the Echocardiographic Study of Latinos from four US communities (Bronx, Miami, San Diego and Chicago)...
2017: Open Heart
https://www.readbyqxmd.com/read/28670179/evaluation-of-diastolic-function-in-patients-with-normal-perfusion-and-type-2-diabetes-mellitus-with-gated-single-photon-emission-computed-tomography
#17
Ayse Nurdan Korkmaz, Billur Caliskan, Fatma Erdem
Early identification of diastolic dysfunction of patients with diabetes is important in preventing cardiac events. In this study, we aimed to show that both myocardial perfusion and diastolic function parameters can be evaluated in diabetic patients with possible silent cardiac symptoms using gated single-photon emission computed tomography (G-SPECT). We examined eighty patients: Forty with and forty without diabetes. The patients were compared in terms of systolic and diastolic parameters obtained using G-SPECT...
July 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28656928/dynamic-and-morphologic-evaluation-of-erectile-dysfunction-on-penile-doppler-sonography-and-contrast-cavernosography
#18
A Ismail, A M Tabari, S U Alhasan, A Abdullahi
BACKGROUND: Penile erection is a complex phenomenon that involves coordinated interaction of the psychologic, hormonal, nervous, arterial, venous, and sinusoidal systems. Erectile dysfunction (ED) is the persistent inability to attain or maintain penile erection sufficient for sexual intercourse. This study aims to determine the real-time morphologic vascular abnormalities in men with ED using penile Doppler sonography in Kano, Nigeria. MATERIALS AND METHODS: Twenty-one patients who were referred from urology clinics on account of suspected vasculogenic ED were reviewed...
June 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28656481/heart-failure-with-preserved-ejection-fraction-and-future-pharmacological-strategies-a-glance-in-the-crystal-ball
#19
REVIEW
Carsten Tschöpe, Sophie Van Linthout, Behrouz Kherad
PURPOSE OF REVIEW: The current definition of heart failure is mainly based on an inappropriate measure of cardiac function, i.e., left ventricular ejection fraction (LVEF). The initial sole entity, heart failure with reduced ejection fraction (HFrEF, LVEF <40%), was complemented by the addition of heart failure with preserved ejection fraction (HFpEF, LVEF ≥50%) and most recently, heart failure with mid-range ejection fraction (HFmrEF, LVEF 40-49%). Initially, HFpEF was believed to be a purely left ventricular diastolic dysfunction...
August 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28656320/rho-kinase-and-the-nitric-oxide-pathway-modulate-basilar-arterial-reactivity-to-acetylcholine-and-angiotensin-ii-in-streptozotocin-induced-diabetic-mice
#20
Md Zahorul Islam, Cuong Van Dao, Atsushi Miyamoto, Mitsuya Shiraishi
Diabetes mellitus comprises a heterogeneous group of metabolic disorders with underlying hyperglycemia and secondary cardiovascular complications. Growing evidence suggests that vascular dysfunction is among the most important causes of diabetic cardiovascular disease. Therefore, we determined whether streptozotocin (STZ)-induced diabetes in mice affects blood pressure and cerebral arterial responsiveness to angiotensin (Ang) II and acetylcholine (ACh), which are important modulators of cerebrovascular autoregulation...
June 27, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
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