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Diabetes diastolic dysfunction

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https://www.readbyqxmd.com/read/29154431/association-between-electrocardiographic-and-echocardiographic-markers-of-stage-b-heart-failure-and-cardiovascular-outcome
#1
Hong Yang, Thomas H Marwick, Ying Wang, Mark Nolan, Kazuaki Negishi, Faisal Khan, Peter M Okin
AIMS: The detection of non-ischaemic (mainly hypertension, diabetes, and obesity) stage B heart failure (SBHF) may facilitate the recognition of those at risk of progression to overt HF and HF prevention. We sought the relationship of specific electrocardiographic (ECG) markers of SBHF to echocardiographic features of SBHF and their prognostic value for development of HF. The ECG markers were Cornell product (Cornell-P), P-wave terminal force in lead V1 (PTFV1), ST depression in lead V5 V6 (minSTmV5V6), and increased heart rate...
November 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29153567/potential-usefulness-and-clinical-relevance-of-adding-left-atrial-strain-to-left-atrial-volume-index-in-the-detection-of-left-ventricular-diastolic-dysfunction
#2
Daniel A Morris, Evgeny Belyavskiy, Radhakrishnan Aravind-Kumar, Martin Kropf, Athanasios Frydas, Kerstin Braunauer, Esteban Marquez, Maximilian Krisper, Ruhdja Lindhorst, Engin Osmanoglou, Leif-Hendrik Boldt, Florian Blaschke, Wilhelm Haverkamp, Carsten Tschöpe, Frank Edelmann, Burkert Pieske, Elisabeth Pieske-Kraigher
OBJECTIVES: The purpose of this study was to analyze the potential usefulness and clinical relevance of adding left atrial (LA) strain to left atrial volume index (LAVI) in the detection of left ventricular diastolic dysfunction (LVDD) in patients with preserved left ventricular ejection fraction (LVEF). BACKGROUND: Recent studies have suggested that LA strain could be of use in the evaluation of LVDD. However, the potential utility and clinical significance of adding LA strain to LAVI in the detection of LVDD remains uncertain...
November 10, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29137850/the-importance-of-subclinical-left-ventricular-dysfunction-and-blood-pressure-pattern-in-asymptomatic-type-2-diabetic-patients-the-diagnostic-and-prognostic-significance-of-tissue-doppler-parameters-left-ventricular-global-longitudinal-strain-and-nighttime
#3
Angelina Stevanovic, Milica Dekleva
The primary aims of this study have been to explore the diagnostic and prognostic significance of Tissue Doppler parameters (TDI), global longitudinal strain (GLS), and blood pressure (BP) pattern in normotensive diabetic patients. METHODS: The study consisted of 121 diabetic patients and 41 healthy subjects. Conventional and TDI echocardiography were performed on all patients, including E/Em (ratio of diastolic velocities). GLS was derived from two-dimensional speckle-tracking. Ambulatory BP monitoring (ABPM) was obtained over 24h...
September 18, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/29121924/impact-of-overweight-on-left-ventricular-function-in-type-2-diabetes-mellitus
#4
Makiko Suto, Hidekazu Tanaka, Yasuhide Mochizuki, Jun Mukai, Hiroki Takada, Fumitaka Soga, Kumiko Dokuni, Yutaka Hatani, Keiko Hatazawa, Hiroki Matsuzoe, Hiroyuki Sano, Hiroyuki Shimoura, Junichi Ooka, Kensuke Matsumoto, Yushi Hirota, Wataru Ogawa, Ken-Ichi Hirata
BACKGROUND: Coexistence of left ventricular (LV) longitudinal myocardial systolic dysfunction with LV diastolic dysfunction could lead to heart failure with preserved ejection fraction (HFpEF). Diabetes mellitus (DM) is known as a significant factor associated with HFpEF. Although the mechanisms of DM-related LV myocardial injury are complex, it has been postulated that overweight contributes to the development of LV myocardial injury in type 2 diabetes mellitus (T2DM) patients. However, the precise impact of overweight on LV longitudinal myocardial systolic function in T2DM patients remains unclear...
November 9, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29117612/effect-of-diabetes-on-the-assessment-role-of-2-oxoglutarate-to-the-severity-of-chronic-heart-failure
#5
Pingan Chen, Lina Hou, Yishan Luo, Lushan Chen, Shaonan Li, Xiaoming Lei, Jiankai Huang, Daihong Wu
Background Serum 2-oxoglutarate can reflect the severity of chronic heart failure (CHF) in patients without diabetes. Whether this predictive role persists in type 2 diabetes mellitus (T2DM) patients is unclear. In this study, we investigated this predictive role in T2DM patients and whether 2-oxoglutarate can indicate the diastolic or systolic function of left ventricle. Methods One hundred eighty CHF patients (76 with T2DM) and 66 healthy controls were studied. 2-Oxoglutarate was assayed by liquid chromatography-mass spectrometry/mass spectrometry...
November 8, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/29094269/hemorrhagic-shock-due-to-bleeding-from-an-arteriovenous-fistula-after-allograft-biopsy-in-a-kidney-transplant-recipient-a-case-report
#6
Akihiro Ryuge, Masahiko Yazawa, Kazuki Kitajima, Ryuto Nakazawa, Hideo Sasaki, Tatsuya Chikaraishi, Yugo Shibagaki
Arteriovenous fistula (AVF) after allograft biopsy occurs in 1.6-8.3% of kidney transplant patients and most cases remain asymptomatic. Here, we report a case of hemorrhagic shock in a kidney transplant recipient following bleeding from an AVF after graft biopsy. Immediate intensive care including angiographic embolization saved the patient and the allograft. A 62-year-old woman with end-stage renal disease caused by diabetic nephropathy underwent ABO-incompatible kidney transplantation. No complications occurred in the early postoperative period...
November 1, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/29081004/cardiovascular-autonomic-dysfunction-in-patients-with-idiopathic-diabetes-insipidus
#7
Mattia Barbot, Filippo Ceccato, Marialuisa Zilio, Nora Albiger, Riccardo Sigon, Giuseppe Rolma, Marco Boscaro, Carla Scaroni, Franca Bilora
INTRODUCTION: Central diabetes insipidus (DI) is a rare disease characterized by the excretion of excessive volumes of dilute urine due to reduced levels of the antidiuretic hormone arginine vasopressin (AVP), caused by an acquired or genetic defect in the neurohypophysis. The aim of this study was to identify any autonomic dysfunction (AD) in patients with DI as a possible cofactor responsible for their reportedly higher mortality. METHODS: The study involved 12 patients (6 females) with central idiopathic DI and a well-controlled electrolyte balance, and 12 controls matched for age, sex and cardiovascular risk factors, who were assessed using the tilt, lying-to-standing, hand grip, deep breath, Valsalva maneuver and Stroop tests...
October 28, 2017: Pituitary
https://www.readbyqxmd.com/read/29051079/reduced-myocardial-flow-reserve-is-associated-with-diastolic-dysfunction-and-decreased-left-atrial-strain-in-patients-with-normal-ejection-fraction-and-epicardial-perfusion
#8
Matthew C Konerman, Joshua C Greenberg, Theodore J Kolias, James R Corbett, Ravi V Shah, Venkatesh L Murthy, Scott L Hummel
INTRODUCTION: Coronary microvascular dysfunction (MVD) may contribute to the pathogenesis of heart failure with preserved ejection fraction (HFpEF). Speckle-tracking echocardiography is a feasible and reproducible method for identifying abnormalities in left ventricular (LV) and left atrial (LA) function among HFpEF patients. By assessing myocardial flow reserve (MFR), positron emission tomography (PET) imaging enables quantitative assessment of coronary MVD. We hypothesized that, in patients with risk factors for HFpEF and normal epicardial perfusion on cardiac PET, abnormal MFR is associated with LV diastolic dysfunction (DD) and reduced LV and LA strain...
October 16, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/29050744/-stress-dobutamine-echocardiography-or-resting-strain-rate-imaging-to-unveil-an-early-symptomatic-diabetic-cardiomyopathy
#9
F Aboukhoudir, I Aboukhoudir, S Rekik
Diabetes mellitus has been associated with changes in the structure and function of the myocardium manifesting in the early stages of the disease as subtle systolic and diastolic dysfunction; myocardial strain imaging has recently been favored over dobutamine stress echocardiography for early detection of diabetic cardiomyopathy. We report a case of an elderly diabetic patient presenting with pulmonary edema in whom at rest echocardiographic parameters including strain rate were all within normal range, while dobutamine stress echocardiography induced a deep systolic deterioration unmasking an early-stage diabetic cardiomyopathy...
November 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29050702/relationship-between-a-fragmented-qrs-and-microalbuminuria-in-patients-with-type-2-diabetes-mellitus
#10
Sukru Cetin, Suleyman Sezai Yıldız, Emrah Erkan Mazı, Kudret Keskin, Gokhan Cetinkal, Ahmet Gurdal, Umut Karabay, Kadriye Orta Kilickesmez
INTRODUCTION: Microalbuminuria (MAU), a complication of diabetes, is closely related to cardiovascular events. A fragmented QRS (fQRS) in the electrocardiogram (ECG) was found to be strongly associated to cardiovascular morbidity and mortality. OBJECTIVE: The aim of this study was to assess the association between a fQRS and MAU in patients with type 2 diabetes mellitus (T2DM). PATIENTS AND METHODS: One hundred and twenty-seven patients (mean age, 50...
November 2017: Endocrinología, diabetes y nutrición
https://www.readbyqxmd.com/read/29037446/transcatheter-aortic-valve-implantation-futility-risk-model-development-and-validation-among-treated-patients-with-aortic-stenosis
#11
Oren Zusman, Ran Kornowski, Guy Witberg, Adi Lador, Katia Orvin, Amos Levi, Abid Assali, Hana Vaknin-Assa, Ram Sharony, Yaron Shapira, Alexander Sagie, Uri Landes
Risk-benefit assessment for transcatheter aortic valve implantation (TAVI) is still evolving. A sizeable group of patients do not fully benefit from intervention despite a technically successful procedure. All patients who underwent TAVI with device success and with no Valve Academic Research Consortium (VARC)-2 defined complications were included. Various demographic data, clinical details, and echocardiographic findings were examined. The outcome was defined as 1-year composite of mortality, stroke, lack of functional-class improvement (by New York Heart Association class), and readmissions (≥1 month after the procedure)...
September 18, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29032139/effects-of-vildagliptin-on-ventricular-function-in-patients-with-type-2-diabetes%C3%A2-mellitus-and-heart-failure-a-randomized-placebo-controlled-trial
#12
John J V McMurray, Piotr Ponikowski, Geremia B Bolli, Valentina Lukashevich, Plamen Kozlovski, Wolfgang Kothny, James D Lewsey, Henry Krum
OBJECTIVES: This study sought to examine the safety of the dipeptidyl peptidase-4 inhibitor, vildagliptin, in patients with heart failure and reduced ejection fraction. BACKGROUND: Many patients with type 2 diabetes mellitus have heart failure and it is important to know about the safety of new treatments for diabetes in these individuals. METHODS: Patients 18 to 85 years of age with type 2 diabetes and heart failure (New York Heart Association functional class I to III and left ventricular ejection fraction [LVEF] <0...
October 11, 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/29029007/presence-of-micro-and-macroalbuminuria-and-the-association-with-cardiac-mechanics-in-patients-with-type-2-diabetes
#13
Peter Godsk Jørgensen, Tor Biering-Sørensen, Rasmus Mogelvang, Thomas Fritz-Hansen, Tina Vilsbøll, Peter Rossing, Jan Skov Jensen
Aims: Albuminuria-a marker of generalized vascular dysfunction-is a strong predictor of heart failure in patients with type 2 diabetes which may be caused by concomitant myocardial dysfunction reflecting the same underlying pathogenesis. Methods and results: We included 915 patients with type 2 diabetes from two secondary care centres and stratified according to albuminuria status in normo-, micro-, and macroalbuminuria. We performed comprehensive echocardiography including conventional imaging, tissue Doppler imaging, and 2D speckle tracking...
October 3, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29025406/impact-of-empagliflozin-on-subclinical-left-ventricular-dysfunctions-and-on-the-mechanisms-involved-in-myocardial-disease-progression-in-type-2-diabetes-rationale-and-design-of-the-empa-heart-trial
#14
Andrea Natali, Lorenzo Nesti, Iacopo Fabiani, Enrico Calogero, Vitantonio Di Bello
BACKGROUND: Asymptomatic left ventricular (LV) dysfunction is highly prevalent in type 2 diabetes patients. Unlike the other hypoglycemic drugs, SGLT2 inhibitors have shown potential benefits for reducing cardiovascular death and risk factors, aside from lowering plasma glucose levels. With this study we aim at determining whether the treatment with empagliflozin is associated with an improvement in LV functions in diabetic patients with asymptomatic LV dysfunction against Sitagliptin, which is presumably neutral on myocardial function...
October 12, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29024485/placenta-derived-adherent-stromal-cells-improve-diabetes-mellitus-associated-left-ventricular-diastolic-performance
#15
Sophie Van Linthout, Nazha Hamdani, Kapka Miteva, Annika Koschel, Irene Müller, Lena Pinzur, Zami Aberman, Kathleen Pappritz, Wolfgang Albrecht Linke, Carsten Tschöpe
Left ventricular (LV) diastolic dysfunction is among others attributed to cardiomyocyte stiffness. Mesenchymal stromal cells (MSC) have cardiac-protective properties. We explored whether intravenous (i.v.) application of PLacenta-eXpanded (PLX) MSC-like cells (PLX) improves LV diastolic relaxation in streptozotocin (STZ)-induced diabetic mice and investigated underlying mechanisms. Diabetes mellitus was induced by STZ application (50 mg/kg body weight) during five subsequent days. One week after the first STZ injection, PLX or saline were i...
October 10, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29022570/arterial-stiffness-as-a-risk-factor-for-clinical-hypertension
#16
REVIEW
Michel E Safar
In patients with uncomplicated essential hypertension, cardiac output remains within normal ranges and intravascular volume is normal or low, assuming the presence of a sufficient Windkessel effect and usual resistance and compliance calculations. However, mean circulatory pressure is elevated in these patients. In addition, vascular resistance is augmented, and most importantly, the viscoelasticity of the cardiovascular system is substantially impaired. Such considerations are essential to understanding the mechanisms behind carotid-femoral arterial stiffness, a major risk factor in individuals with hypertension...
October 12, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/29022265/exercise-amaliorates-metabolic-disturbances-and-oxidative-stress-in-diabetic-cardiomyopathy-possible-underlying-mechanisms
#17
Ayman M Mahmoud
Cardiomyopathy is a serious complication of diabetes mellitus and occurs independently of coronary artery disease or hypertension. It manifests as systolic/diastolic dysfunction and hypertrophy of the left ventricle and can lead to heart failure. Hyperglycemia can trigger a series of maladaptive stimuli and result in cardiac hypertrophy, fibrosis and reduced performance and contractility. The pathogenesis of diabetic cardiomyopathy is a multifactorial process that includes metabolic derangements such as increased oxidative stress, and altered non-oxidative glucose pathways and lipid metabolism...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29020812/prospective-longitudinal-assessment-of-the-fetal-left-modified-myocardial-performance-index
#18
Teresa M MacDonald, Alice J Robinson, Susan P Walker, Lisa Hui
INTRODUCTION: The fetal left modified Myocardial Performance Index (Mod-myocardial performance index (MPI)) is a measure of systolic versus diastolic time intervals obtained from a single cardiac cycle with ultrasound. It is a measure of global ventricular function and has been investigated for potential utility in fetal conditions associated with cardiac dysfunction. OBJECTIVES: The objective of this study is to compare values from a precisely replicated fetal left Mod-MPI technique to published reference ranges...
October 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28994760/assessment-of-sarcoplasmic-reticulum-calcium-reserve-and-intracellular-diastolic-calcium-removal-in-isolated-ventricular-cardiomyocytes
#19
Jing Gao, Xiaolu Shi, Hong He, Juhong Zhang, Ding Lin, Guosheng Fu, Dongwu Lai
Intracellular calcium recycling plays a critical role in regulation of systolic and diastolic function in cardiomyocytes. Cardiac sarcoplasmic reticulum (SR) serves as a Ca(2+) reservoir for contraction, which reuptakes intracellular Ca(2+) during relaxation. The SR Ca(2+) reserve available for beats is determinate for cardiac contractibility, and the removal of intracellular Ca(2+) is critical for cardiac diastolic function. Under some pathophysiological conditions, such as diabetes and heart failure, impaired calcium clearance and SR Ca(2+) store in cardiomyocytes may be involved in the progress of cardiac dysfunction...
September 18, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28993149/relationship-of-blood-pressure-and-erectile-dysfunction-in-men-without-previously-diagnosed-hypertension
#20
Arto Heikkilä, Antti Kaipia, Maarit Venermo, Hannu Kautiainen, Päivi Korhonen
BACKGROUND: Erectile dysfunction (ED) is the most common male sexual disorder that affects all age groups and has a close association with essential hypertension. AIM: To characterize the relation of blood pressure and ED in detail. METHODS: A cross-sectional population-based study of 45- to 70-year-old men without previously diagnosed hypertension, cardiovascular diseases, renal disease, or diabetes was conducted from 2005 to 2007 in southwestern Finland...
November 2017: Journal of Sexual Medicine
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