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https://www.readbyqxmd.com/read/29146865/echocardiographic-changes-with-non-invasive-ventilation-and-cpap-in-obesity-hypoventilation-syndrome
#1
Jaime Corral, Maria Victoria Mogollon, M-Ángeles Sánchez-Quiroga, Javier Gómez de Terreros, Auxiliadora Romero, Candela Caballero, Joaquin Teran-Santos, María L Alonso-Álvarez, Teresa Gómez-García, Mónica González, Soledad López-Martínez, Pilar de Lucas, José M Marin, Odile Romero, Trinidad Díaz-Cambriles, Eusebi Chiner, Carlos Egea, Roberto M Lang, Babak Mokhlesi, Juan F Masa
RATIONALE: Despite a significant association between obesity hypoventilation syndrome (OHS) and cardiac dysfunction, no randomised trials have assessed the impact of non-invasive ventilation (NIV) or CPAP on cardiac structure and function assessed by echocardiography. OBJECTIVES: We performed a secondary analysis of the data from the largest multicentre randomised controlled trial of OHS (Pickwick project, n=221) to determine the comparative efficacy of 2 months of NIV (n=71), CPAP (n=80) and lifestyle modification (control group, n=70) on structural and functional echocardiographic changes...
November 16, 2017: Thorax
https://www.readbyqxmd.com/read/29146482/impaired-left-atrial-strain-as-a-predictor-of-new-onset-atrial-fibrillation-after-aortic-valve-replacement-independently-of-left-atrial-size
#2
Guilherme Pessoa-Amorim, Jennifer Mancio, Luís Vouga, José Ribeiro, Vasco Gama, Nuno Bettencourt, Ricardo Fontes-Carvalho
INTRODUCTION AND OBJECTIVES: Left atrial dysfunction in aortic stenosis may precede atrial enlargement and predict the occurrence of atrial fibrillation (AF). To test this hypothesis, we assessed left atrial function and determined its impact on the incidence of AF after aortic valve replacement. METHODS: A total of 149 severe aortic stenosis patients (74±8.6 years, 51% men) with no prior AF were assessed using speckle-tracking echocardiography. Left atrial function was evaluated using peak atrial longitudinal strain (PALS), peak atrial contraction strain (PACS), and phasic left atrial volumes...
November 13, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29146141/the-myth-of-water-and-salt-from-aquaretics-to-tenapanor
#3
REVIEW
Luca Visconti, Valeria Cernaro, Sebastiano Calimeri, Antonio Lacquaniti, Francesca De Gregorio, Carlo Alberto Ricciardi, Viviana Lacava, Domenico Santoro, Michele Buemi
The impact of water intake has been studied in several renal diseases. For example, increasing water intake is useful to prevent primary and secondary nephrolithiasis. In autosomal dominant polycystic kidney disease, arginine vasopressin (AVP) is involved in the progression of the disease, and water intake could play a therapeutic role by inhibiting the synthesis of AVP, but its efficacy is still controversial. Conversely, the use of aquaretics, which are antagonists of AVP V2 receptors, results in the reduction of the increase rate of total kidney volume with a slower decline of glomerular filtration rate...
November 14, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29142252/gallic-acid-reduces-blood-pressure-and-attenuates-oxidative-stress-and-cardiac-hypertrophy-in-spontaneously-hypertensive-rats
#4
Li Jin, Zhe Hao Piao, Simei Sun, Bin Liu, Gwi Ran Kim, Young Mi Seok, Ming Quan Lin, Yuhee Ryu, Sin Young Choi, Hae Jin Kee, Myung Ho Jeong
Gallic acid (GA) has been reported to have beneficial effects on cancer, vascular calcification, and diabetes-induced myocardial dysfunction. We hypothesized that GA controls hypertension via oxidative stress response regulation in an animal model for essential hypertension. Spontaneously hypertensive rats (SHRs) were administered GA for 16 weeks. GA treatment lowered elevated systolic blood pressure in SHRs through the inhibition of vascular contractility and components of the renin-angiotensin II system. In addition, GA administration reduced aortic wall thickness and body weight in SHRs...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29136770/magnesium-valproate-ameliorates-type-1-diabetes-and-cardiomyopathy-in-diabetic-rats-through-estrogen-receptors
#5
Samir Rabadiya, Shradhha Bhadada, Ashvin Dudhrejiya, Devendra Vaishnav, Bhoomika Patel
Estrogen is known to exhibit cardioprotective and antihyperlipidemic action. Valproic acid has been shown to upregulate estrogen receptors (ERs) in breast and prostate cancer tissues. No pharmacological evaluations for magnesium valproate (MgV) so far have been done for diabetic cadio-lipidemic complications. Based on the above context, current study was undertaken to evaluate the therapeutic effectiveness of MgV in cardiac complications associated with type-1 diabetes mellitus in rats wherein diabetes was induced by single tail vein injection of streptozotocin (STZ, 45mg/kg, IV) in female Sprague Dawley rats and treatment of MgV (210mg/kg, PO) was given for eight weeks to diabetic animals, after which, various biochemical and cardiac biomarkers, hypertrophic, hemodynamic and histological parameters along with immunohistochemistry of ERs in the left ventricle (LV) were estimated...
November 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29136095/left-ventricular-hypertrophy-and-coronary-artery-calcifications-a-dangerous-duet
#6
Fabio Angeli, Paolo Verdecchia, Monica Trapasso, Gianpaolo Reboldi
No abstract text is available yet for this article.
November 9, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/29131444/native-t1-reference-values-for-nonischemic-cardiomyopathies-and-populations-with-increased-cardiovascular-risk-a-systematic-review-and-meta-analysis
#7
REVIEW
Maaike van den Boomen, Riemer H J A Slart, Enzo V Hulleman, Rudi A J O Dierckx, Birgitta K Velthuis, Pim van der Harst, David E Sosnovik, Ronald J H Borra, Niek H J Prakken
BACKGROUND: Although cardiac MR and T1 mapping are increasingly used to diagnose diffuse fibrosis based cardiac diseases, studies reporting T1 values in healthy and diseased myocardium, particular in nonischemic cardiomyopathies (NICM) and populations with increased cardiovascular risk, seem contradictory. PURPOSE: To determine the range of native myocardial T1 value ranges in patients with NICM and populations with increased cardiovascular risk. STUDY TYPE: Systemic review and meta-analysis...
November 13, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29131062/cardio-renal-determinants-of-erectile-dysfunction-in-primary-prevention-a-cross-sectional-study
#8
Vilma Dzenkeviciute, Zaneta Petrulioniene, Egidija Rinkuniene, Virginijus Sapoka, Marija Petrylaite, Jolita Badariene
OBJECTIVE: To investigate the association between severity of erectile dysfunction, cardiovascular risk and target organ (heart, renal, vascular) damage in men free of cardiovascular diseases (CV). SUBJECTS AND METHODS: This study included 182 men: 100 with erectile dysfunction (ED) (IIEF mean score ≤ 21) and 82 without ED (IIEF mean score > 21). The ED was assessed using the International Index of Erectile Function (IIEF-5). Ultrasound was used to evaluate carotid plaques and left ventricular mass, geometry and diastolic function...
November 5, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/29129575/cardiovascular-events-and-target-organ-damage-in-primary-aldosteronism-compared-with-essential-hypertension-a-systematic-review-and-meta-analysis
#9
Silvia Monticone, Fabrizio D'Ascenzo, Claudio Moretti, Tracy Ann Williams, Franco Veglio, Fiorenzo Gaita, Paolo Mulatero
BACKGROUND: There is conflicting evidence, relying on heterogeneous studies, as to whether aldosterone excess is responsible for an increased risk of cardiovascular and cerebrovascular complications in patients with primary aldosteronism. We aimed to assess the association between primary aldosteronism and adverse cardiac and cerebrovascular events, target organ damage, diabetes, and metabolic syndrome, compared with the association of essential hypertension and these cardiovascular and end organ events, by integrating results of previous studies...
November 9, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/29127648/serum-apolipoprotein-b-is-inversely-associated-with-eccentric-left-ventricular-hypertrophy-in-peritoneal-dialysis-patients
#10
Min Ye, Yanqiu Liu, Haoyu Wang, Na Tian, Wei Li, Wei He, Hong Lin, Rui Fan, Cuiling Li, Donghong Liu, Fengjuan Yao
OBJECTIVES: The study aimed to examine the relationship of serum apolipoprotein B level with left ventricular (LV) structural and functional characteristics, in particular, LV remodeling parameters in peritoneal dialysis (PD) patients. METHODS: A total of 182 patients with end-stage renal disease (ESRD) receiving PD were identified. Conventional echocardiography was performed for each patient, and echocardiographic characteristics were analyzed according to apo B quartile groups...
November 10, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29127200/steroid-receptor-coactivator-2-src-2-coordinates-cardiomyocyte-paracrine-signaling-to-promote-pressure-overload-induced-angiogenesis
#11
Ji Ho Suh, Li Lai, Deokhwa Nam, Jong Kim, Juyeon Jo, George E Taffet, Eunah Kim, Jason T Kaelber, Hyun-Kyoung Lee, Mark L Entman, John P Cooke, Erin L Reineke
Pressure overload-induced cardiac stress induces left ventricular hypertrophy driven by increased cardiomyocyte mass. The increased energetic demand and cardiomyocyte size during hypertrophy necessitate increased fuel and oxygen delivery and stimulate angiogenesis in the left ventricular wall. We have previously shown that the transcriptional regulator steroid receptor coactivator-2 (SRC-2) controls activation of several key cardiac transcription factors and that SRC-2 loss results in extensive cardiac transcriptional remodeling...
November 10, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29127059/hypertension-and-cardiovascular-risk-general-aspects
#12
REVIEW
Sverre E Kjeldsen
Hypertension is the strongest or one of the strongest risk factors for almost all different cardiovascular diseases acquired during life, including coronary disease, left ventricular hypertrophy and valvular heart diseases, cardiac arrhythmias including atrial fibrillation, cerebral stroke and renal failure. The continuous relationship between blood pressure and cardiovascular and renal events makes the distinction between high normal blood pressure and hypertension based on arbitrary cut-off values for blood pressures...
November 7, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29121751/prognostic-implications-of-global-myocardial-mechanics-in-hypertrophic-cardiomyopathy-by-cardiovascular-magnetic-resonance-feature-tracking-relations-to-left-ventricular-hypertrophy-and-fibrosis
#13
Rocio Hinojar, Covadonga Fernández-Golfín, Ariana González-Gómez, Luis Miguel Rincón, Maria Plaza-Martin, Eduardo Casas, Ana García-Martín, Mª Angeles Fernandez-Mendez, Amparo Esteban, Jose Julio Jimenez Nacher, Jose Luis Zamorano
BACKGROUND: Interstitial fibrosis, myocardial fiber disarray and non-uniform shortening are common histological features of hypertrophic cardiomyopathy (HCM). The degree of LV hypertrophy and fibrosis are postulated to contribute to the impairment of myocardial shortening. Cardiovascular magnetic resonance myocardial (CMR) feature tracking (CMR-FT) has emerged as a robust method that provides quantitative measurements of myocardial deformation. Our aim was first to evaluate LV strain parameters in HCM by CMR-FT and their dependence on both functional parameters and late gadolinium enhancement (LGE); and secondly we sought to determine their association with major cardiovascular outcomes...
December 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29121742/retinopathy-and-left-ventricular-hypertrophy-in-patients-with-chronic-kidney-disease-interrelationship-and-impact-on-clinical-outcomes
#14
Yaeni Kim, Jung Sun Cho, Won-Kyung Cho, Hye Eun Yoon, Yu Ah Hong, Yoon Kyung Chang, Chul Woo Yang, Suk Young Kim, Hyeon Seok Hwang
BACKGROUND: Retinopathy and left ventricular hypertrophy (LVH) are representative markers of microvascular and cardiac dysfunction in patients with chronic kidney disease (CKD). However, their relationship and their combined effects on clinical outcomes are unknown. METHODS: We included 401 patients with nondialysis-dependent CKD stage 3-5 who had been examined with fundus photography for diabetic or hypertensive retinopathy. The presence of LVH was identified by echocardiography...
December 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29120366/a-low-geriatric-nutrition-risk-index-is-associated-with-progression-to-dialysis-in-patients-with-chronic-kidney-disease
#15
I-Ching Kuo, Jiun-Chi Huang, Pei-Yu Wu, Szu-Chia Chen, Jer-Ming Chang, Hung-Chun Chen
Evaluating nutritional status is crucial to detecting malnutrition in patients with chronic kidney disease (CKD). The Geriatric Nutritional Risk Index (GNRI) has been associated with overall and cardiovascular mortality in the dialysis population. The aim of this study was to evaluate whether the GNRI is associated with progression to dialysis in patients with moderate to advanced CKD. We enrolled 496 patients with stage 3-5 CKD who had received echocardiographic examinations, and categorized them according to baseline GNRI values calculated using the serum albumin level and body weight...
November 9, 2017: Nutrients
https://www.readbyqxmd.com/read/29118891/systolic-anterior-motion-of-mitral-valve-subchordal-apparatus-a-rare-echocardiographic-pattern-in-non-obstructive-hypertrophic-cardiomyopathy
#16
Jezreel L Taquiso, Stephanie Martha O Obillos, Joerelle V Mojica, Lauro L Abrahan, Elleen C Cunanan, Jaime Alfonso M Aherrera, Jose Donato A Magno
Systolic anterior motion (SAM) of the mitral valve or chordate is one characteristic seen in hypertrophic cardiomyopathy (HCM) either in obstructive or non-obstructive phenotypes. More often than not, the obstruction is caused by valvular rather than chordal SAM. We describe the role of echocardiography in identifying the actual anatomical location of the mitral valve apparatus involved in SAM and in assessing consequent left ventricular outflow tract (LVOT) obstruction in an otherwise asymptomatic patient...
October 2017: Cardiology Research
https://www.readbyqxmd.com/read/29117962/lower-cardiac-index-levels-relate-to-lower-cerebral-blood-flow-in-older-adults
#17
Angela L Jefferson, Dandan Liu, Deepak K Gupta, Kimberly R Pechman, Jennifer M Watchmaker, Elizabeth A Gordon, Swati Rane, Susan P Bell, Lisa A Mendes, L Taylor Davis, Katherine A Gifford, Timothy J Hohman, Thomas J Wang, Manus J Donahue
OBJECTIVE: To assess cross-sectionally whether lower cardiac index relates to lower resting cerebral blood flow (CBF) and cerebrovascular reactivity (CVR) among older adults. METHODS: Vanderbilt Memory & Aging Project participants free of stroke, dementia, and heart failure were studied (n = 314, age 73 ± 7 years, 59% male, 39% with mild cognitive impairment). Cardiac index (liters per minute per meter squared) was quantified from echocardiography. Resting CBF (milliliters per 100 grams per minute) and hypercapnia-induced CVR were quantified from pseudo-continuous arterial spin-labeling MRI...
November 8, 2017: Neurology
https://www.readbyqxmd.com/read/29117224/predictors-of-sudden-cardiac-death-in-atrial-fibrillation-the-atherosclerosis-risk-in-communities-aric-study
#18
Ryan J Koene, Faye L Norby, Ankit Maheshwari, Mary R Rooney, Elsayed Z Soliman, Alvaro Alonso, Lin Y Chen
We previously reported that incident atrial fibrillation (AF) is associated with an increased risk of sudden cardiac death (SCD) in the general population. We now aimed to identify predictors of SCD in persons with AF from the Atherosclerosis Risk in Communities (ARIC) study, a community-based cohort study. We included all participants who attended visit 1 (1987-89) and had no prior AF (n = 14,836). Incident AF was identified from study electrocardiograms and hospitalization discharge codes through 2012. SCD was physician-adjudicated...
2017: PloS One
https://www.readbyqxmd.com/read/29115988/prevalence-and-determinants-of-pulmonary-hypertension-in-a-group-of-cameroonian-patients-without-chronic-lung-disease-a-cross-sectional-echocardiographic-study
#19
Ahmadou M Jingi, Jean Jacques Noubiap, Aurel T Tankeu, Liliane Mfeukeu-Kuate, Clovis Nkoke, Philippe Kamdem, Alain Patrick Menanga, Samuel Kingue
OBJECTIVE: To study prevalence and determinants of pulmonary hypertension (PH) in a group of Cameroonian patients without chronic lung disease. We conducted a cross-sectional study conducted between April and December 2011 in a private cardiology clinic in Bafoussam, Cameroon. We included consenting participants aged ≥ 18, who underwent a Doppler echocardiography. Patients with chronic lung disease were excluded. RESULTS: A total of 178 participants were enrolled, of whom 44...
November 7, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29115618/apelin%C3%A2-13-promotes-cell-proliferation-in-the-h9c2-cardiomyoblast-cell-line-by-triggering-extracellular-signal%C3%A2-regulated-kinase-1-2-and-protein-kinase-b-phosphorylation
#20
Luhua Yin, Pu Zhang, Chao Li, Jiafeng Si, Yongmei Wang, Xuemei Zhang, Deqing Zhang, Huanyi Zhang, Cong Lin
Apelin‑13 (APL‑13), a peptide hormone that serves as a ligand for G‑protein coupled receptors, has been demonstrated to be highly expressed in left ventricular hypertrophy rat models. It has been implicated in cardio‑protection under pathological states. The present study aimed to assess the physiological proliferation effect of APL‑13 in cultured H9c2 cardiomyoblast cells, and to elucidate the underlying mechanisms. Cell proliferation was determined by MTT assay. The extracellular signal‑regulated kinase (ERK) 1/2 and protein kinase B (Akt) signaling pathway was identified, and protein expression levels were detected using western blot analysis...
October 27, 2017: Molecular Medicine Reports
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