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"diastolic dysfunction" OR "heart failure with preserved ejection fraction"

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https://www.readbyqxmd.com/read/28934669/transforming-growth-factor-beta-tgf-%C3%AE-mediates-cardiac-fibrosis-and-induces-diabetic-cardiomyopathy
#1
REVIEW
Yiyang Yue, Ke Meng, Yuejie Pu, Xiaoming Zhang
Cardiovascular diseases account for the major cause of morbidity and mortality among individuals with diabetes. The diabetic cardiomyopathy (DCM) is a type of diabetic cardiovascular disease, which further directs to the heart failure. The researchers found that diabetes induced cardiac fibrosis plays a vital role in several of the pathological changes that associated with DCM, causing left ventricular hypertrophy (LVH), diastolic dysfunction and systolic dysfunction. However, the mechanisms involved in the pathogenesis of DCM are still elusive...
September 1, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28933414/association-between-low-serum-bicarbonate-concentrations-and-cardiovascular-disease-in-patients-in-the-end-stage-of-renal-disease
#2
Vaia D Raikou, Despina Kyriaki
BACKGROUND: Metabolic acidosis, a common condition particularly in the end-stage of renal disease patients, results in malnutrition, inflammation and oxidative stress. In this study, we focused on the association between low serum bicarbonate and cardiovascular disease in patients on intermittent dialysis. METHODS: We studied 52 on-line-pre-dilution hemodiafiltration (on-l HDF) patients, 32 males and 20 females, with a mean age of 58.01 ± 15.4 years old. Metabolic acidosis was determined by serum bicarbonate concentrations less than 22 mmol/L...
November 15, 2016: Diseases (Basel)
https://www.readbyqxmd.com/read/28931528/suppression-of-tumorigenicity-2-in-heart-failure-with-preserved-ejection-fraction
#3
(no author information available yet)
No abstract text is available yet for this article.
September 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28929246/a-numerical-study-of-the-hemodynamic-effect-of-the-aortic-valve-on-coronary-flow
#4
Shaily Wald, Alex Liberzon, Idit Avrahami
During diastole, coronary perfusion depends on the pressure drop between the myocardial tissue and the coronary origin located at the aortic root. This pressure difference is influenced by the flow field near the closing valve leaflets. Clinical evidence is conclusive that patients with severe aortic stenosis (AS) suffer from diastolic dysfunction during hyperemia, but show increased coronary blood flow (CBF) during rest. Transcatheter aortic valve implantation (TAVI) was shown to decrease rest CBF along with its main purpose of improving the aortic flow and reducing the risk of heart failure...
September 19, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28928716/cushing-s-disease-subclinical-left-ventricular-systolic-and-diastolic-dysfunction-revealed-by-speckle-tracking-echocardiography-and-tissue-doppler-imaging
#5
Beata Uzie Bło-Życzkowska, Paweł Krzesinński, Przemysław Witek, Grzegorz Zielinński, Agnieszka Jurek, Grzegorz Gielerak, Andrzej Skrobowski
OBJECTIVE: Novel echocardiographic techniques, such as speckle tracking echocardiography (STE) and tissue Doppler imaging, are sensitive tools for assessing left ventricular (LV) performance. LV global longitudinal strain (GLS), assessed by STE, is a sensitive marker of myocardial systolic function. Cardiovascular complications in patients with Cushing's disease (CD) determine a higher mortality than that in an age- and gender-matched population. Cardiac systolic dysfunction may be detected in early stages by STE...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28925663/top-poems-of-2016-consistent-with-the-principles-of-the-choosing-wisely-campaign
#6
Roland Grad, Mark H Ebell
A challenge in the Choosing Wisely campaign is to identify low-value clinical actions supported by high-quality evidence. We applied a method based on crowdsourcing the Daily POEM (patient-oriented evidence that matters) to identify low-value clinical actions from research studies consistent with the principles of Choosing Wisely. In 2016, we analyzed an average of 1,382 questionnaires on 265 unique POEMs delivered to physician members of the Canadian Medical Association. From these questionnaires, we identified the POEMs ranking highest on one questionnaire item directly linked to reducing overdiagnosis or overtreatment...
August 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28920862/enhanced-endothelium-epithelial-sodium-channel-signaling-prompts-left-ventricular-diastolic-dysfunction-in-obese-female-mice
#7
Guanghong Jia, Javad Habibi, Annayya R Aroor, Michael A Hill, Vincent G DeMarco, Li E Lee, Lixin Ma, Brady J Barron, Adam Whaley-Connell, James R Sowers
OBJECTIVE: Enhanced activation of cell specific mineralocorticoid receptors (MRs) in obesity plays a key role in the development of cardiovascular disease including cardiac diastolic dysfunction as a critical prognosticator. Our previous investigations demonstrated that selective endothelium MR activation promotes a maladaptive inflammatory response and fibrosis in cardiovascular tissue in female mice fed a western diet (WD), and this was associated with expression and activation of the epithelial sodium channel on the surface of endothelial cells (EnNaC)...
September 8, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28918835/left-ventricular-false-tendons-are-associated-with-left-ventricular-dilation-and-impaired-systolic-and-diastolic-function
#8
Michael E Hall, Joseph A Halinski, Thomas N Skelton, William F Campbell, Michael R McMullan, Robert C Long, Myrna N Alexander, James D Pollard, John E Hall, Ervin R Fox, Michael D Winniford, Daisuke Kamimura
BACKGROUND: Left ventricular false tendons (LVFTs) are chord-like structures that traverse the LV cavity and are generally considered to be benign. However, they have been associated with arrhythmias, LV hypertrophy and LV dilation in some small studies. We hypothesize that LVFTs are associated with LV structural and functional changes assessed by echocardiography. METHODS: We retrospectively evaluated echocardiographic and clinical parameters of 126 patients identified as having LVFTs within the past 2 years and compared them to 85 age-matched controls without LVFTs...
September 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28917679/epidemiology-of-left-ventricular-systolic%C3%A2-dysfunction-and-heart-failure-in%C3%A2-the-framingham-study-an-echocardiographic-study-over-3-decades
#9
Ramachandran S Vasan, Vanessa Xanthakis, Asya Lyass, Charlotte Andersson, Connie Tsao, Susan Cheng, Jayashri Aragam, Emelia J Benjamin, Martin G Larson
OBJECTIVES: The purpose of this study was to describe the temporal trends in prevalence of left ventricular systolic dysfunction (LVSD) in individuals without and with heart failure (HF) in the community over a 3-decade period of observation. BACKGROUND: Temporal trends in the prevalence and management of major risk factors may affect the epidemiology of HF. METHODS: We compared the frequency, correlates, and prognosis of LVSD (left ventricular ejection fraction [LVEF] <50%) among Framingham Study participants without and with clinical HF in 3 decades (1985 to 1994, 1995 to 2004, and 2005 to 2014)...
September 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28914725/sleep-duration-and-quality-as-related-to-left-ventricular-structure-and-function
#10
Jae-Hon Lee, Sung Keun Park, Jae-Hong Ryoo, Chang-Mo Oh, Jeong Gyu Kang, Rodrigo B Mansur, Jeffrey E Alfonsi, Yena Lee, Sun-Han Shin, Roger S McIntyre, Ju Young Jung
OBJECTIVE: Inadequate sleep is associated with increased risk of cardiovascular events; however, the associations between sleep duration or quality and cardiac function or structure are not well understood. This cross-sectional study was conducted to investigate to what extent sleep duration and quality are associated with left ventricular (LV) diastolic dysfunction or structural deterioration. METHODS: A total of 31,598 healthy Korean adults who received echocardiography and completed the Pittsburg Sleep Quality Index were enrolled in this study...
September 13, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28912185/restrictive-cardiomyopathy-genetics-pathogenesis-clinical-manifestations-diagnosis-and-therapy
#11
REVIEW
Eli Muchtar, Lori A Blauwet, Morie A Gertz
Restrictive cardiomyopathy (RCM) is characterized by nondilated left or right ventricle with diastolic dysfunction. The restrictive cardiomyopathies are a heterogenous group of myocardial diseases that vary according to pathogenesis, clinical presentation, diagnostic evaluation and criteria, treatment, and prognosis. In this review, an overview of RCMs will be presented followed by a detailed discussion on 3 major causes of RCM, for which tailored interventions are available: cardiac amyloidosis, cardiac sarcoidosis, and cardiac hemochromatosis...
September 15, 2017: Circulation Research
https://www.readbyqxmd.com/read/28912181/hypertrophic-cardiomyopathy-genetics-pathogenesis-clinical-manifestations-diagnosis-and-therapy
#12
REVIEW
Ali J Marian, Eugene Braunwald
Hypertrophic cardiomyopathy (HCM) is a genetic disorder that is characterized by left ventricular hypertrophy unexplained by secondary causes and a nondilated left ventricle with preserved or increased ejection fraction. It is commonly asymmetrical with the most severe hypertrophy involving the basal interventricular septum. Left ventricular outflow tract obstruction is present at rest in about one third of the patients and can be provoked in another third. The histological features of HCM include myocyte hypertrophy and disarray, as well as interstitial fibrosis...
September 15, 2017: Circulation Research
https://www.readbyqxmd.com/read/28911024/ambulatory-pulse-pressure-predicts-the-development-of-left-ventricular-diastolic-dysfunction-in-over-20-years-of-follow-up
#13
Tero J W Pääkkö, Reko J Renko, Juha S Perkiömäki, Y Antero Kesäniemi, Antti S Ylitalo, Jarmo A Lumme, Heikki V Huikuri, Heikki Ruskoaho, Olli Vuolteenaho, Olavi H Ukkola
BACKGROUND: Ambulatory blood pressure (ABP) has been shown to have an association with left ventricular diastolic dysfunction (LVDD) in cross-sectional assessments. We evaluated the association between ABP measurement (ABPM) and the development of LVDD during over 20 years of follow up in 414 middle-aged subjects from OPERA cohort. METHODS: ABPM, clinical, and anthropometric measurements were performed in baseline. Echocardiographic measurements were performed at baseline and during follow-up and E/E' ≥15 was considered indicating significant LVDD...
October 1, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28906533/cardiac-diastolic-function-after-recovery-from-pre-eclampsia
#14
P Soma-Pillay, M C Louw, A O Adeyemo, J Makin, R C Pattinson
BACKGROUND: Pre-eclampsia is associated with significant changes to the cardiovascular system during pregnancy. Eccentric and concentric remodelling of the left ventricle occurs, resulting in impaired contractility and diastolic dysfunction. It is unclear whether these structural and functional changes resolve completely after delivery. AIMS: The objective of the study was to determine cardiac diastolic function at delivery and one year post-partum in women with severe pre-eclampsia, and to determine possible future cardiovascular risk...
August 31, 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/28905470/outcomes-of-berlin-heart-excor-%C3%A2-pediatric-ventricular-assist-device-support-in-patients-with-restrictive-and-hypertrophic-cardiomyopathy
#15
Jennifer A Su, Jondavid Menteer
The outcomes of pediatric ventricular assist device support in patients with diastolic heart failure have not been well described. This study reviews the North American experience with Berlin Heart EXCOR(®) ventricular assist device implants in children with such physiology. The Berlin Heart clinical database was reviewed. Patients with primary diastolic dysfunction are included in this study. Twenty pediatric patients with restrictive cardiomyopathy (n = 13), hypertrophic cardiomyopathy (n = 3), or congenital heart disease with restrictive physiology (n = 4) who were supported with EXCOR(®) were identified...
September 14, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28902883/association-between-e-e%C3%A2-ratio-and-fluid-overload-in-patients-with-predialysis-chronic-kidney-disease
#16
Jae-Seok Kim, Jae-Won Yang, Jin Sae Yoo, Seung Ok Choi, Byoung-Geun Han
BACKGROUND: Chronic fluid overload is common in patients with chronic kidney disease (CKD) and can with time lead to diastolic dysfunction and heart failure. We investigated whether markers of fluid status, such as NT-proBNP and bioimpedance spectroscopy (BIS), can predict echocardiographic findings of diastolic dysfunction in non-dialysis CKD5 patients. METHODS: BIS, echocardiography, and measurement of serum NT-proBNP were performed in patients with non-dialysis CKD stage 5 at a single study visit...
2017: PloS One
https://www.readbyqxmd.com/read/28902663/aldosterone-induces-left-ventricular-subclinical-systolic-dysfunction-a-strain-imaging-study
#17
Zheng-Wei Chen, Kuan-Chih Huang, Jen-Kuang Lee, Lung-Chun Lin, Ching-Way Chen, Yi-Yao Chang, Che-Wei Liao, Vin-Cent Wu, Chi-Shen Hung, Yen-Hung Lin
BACKGROUND: Primary aldosteronism is associated with a higher incidence of left ventricular (LV) hypertrophy and diastolic dysfunction than essential hypertension. However, systolic function via endocardial measurements is similar between patients with primary aldosteronism and essential hypertension. Speckle-tracking echocardiography is a sensitive tool which can detect subclinical impairments in systolic function. The aim of this study was to investigate aldosterone-induced subclinical impairments in systolic function...
September 11, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28899862/challenges-and-opportunity-in-the-era-of-quantitative-echocardiography
#18
EDITORIAL
Cheuk-Man Yu
The advancement of echocardiography in the past two decades is more than downsizing of the machines and improvement of image quality, but introduction of new imaging modalities leading to the ability of performing quantitative analysis. This function is greatly facilitated by the integration of echo machines with high performance computers, software programming and establishment of workstation for offline analysis. Today, echo examination is more than estimation of ejection fraction (EF) and patterns of left ventricular (LV) diastolic dysfunction...
September 12, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28893960/physical-activity-in-heart-failure-with-preserved-ejection-fraction-moving-toward-a-newer-treatment-paradigm
#19
EDITORIAL
Ambarish Pandey, Jarett D Berry
No abstract text is available yet for this article.
September 12, 2017: Circulation
https://www.readbyqxmd.com/read/28891242/inorganic-vs-organic-nitrates-for-heart-failure-with-preserved-ejection-fraction-it-s-not-all-in-your-head
#20
EDITORIAL
Jay N Patel, Sanjiv J Shah
No abstract text is available yet for this article.
September 11, 2017: European Journal of Heart Failure
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