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https://www.readbyqxmd.com/read/29151278/tetrahydrobiopterin-bh4-targeting-endothelial-nitric-oxide-synthase-as-a-potential-therapy-for-pulmonary-hypertension
#1
Bahaa N Francis, Maram Salameh, Rola Khamisy-Farah, Raymond Farah
PURPOSE: Pulmonary Hypertension (PH) is complex disease which is associated with endothelial and cardiac dysfunction. Tetrahydrobiopterin (BH4 ) regulates endothelial nitric oxide synthase (eNOS) to produce nitric oxide rather than superoxide which maintains normal endothelial and cardiac function. This study explores the therapeutic potential of BH4 in experimental PH. METHODS: Monocrotaline-induced PH in rats and Hph-1 deficiency in mice were used for animal experiments...
November 19, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/29151037/combining-ecg-criteria-for-left-ventricular-hypertrophy-improves-risk-prediction-in-patients-with-hypertension
#2
Peter M Okin, Darcy A Hille, Sverre E Kjeldsen, Richard B Devereux
BACKGROUND: Patients with hypertension with ECG left ventricular hypertrophy (LVH) have higher cardiovascular morbidity and mortality, but single ECG criteria may underestimate risk. Whether continued presence or new development of ECG LVH by 2 criteria can further concentrate risk during blood pressure lowering is unclear. METHODS AND RESULTS: Incident stroke, myocardial infarction, cardiovascular death, the composite of these outcomes, and all-cause mortality were examined in relation to the presence of on-treatment ECG LVH by Cornell product and/or Sokolow-Lyon voltage during a mean of 4...
November 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29149950/structural-and-functional-adaptation-of-the-remnant-kidney-after-living-kidney-donation-long-term-follow-up
#3
M Meier, J Winterhoff, L Fricke, H Lehnert, M Nitschke
OBJECTIVE: Several adjustments occur after nephrectomy (NT) in the donor's remnant kidney. We investigated kidney donors 10 years after NT and compared several parameters before and after transplantation. METHODS: A total of 42 kidney donors of the University of Luebeck's Transplant Center were scheduled for a 10-year follow-up and were offered several investigations: laboratory tests, urinalysis and kidney ultrasound examination including determination of kidney volume (KV), resistive index (RI) and pulsatility index (PI)...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29148423/non-invasive-vascular-biomarkers-in-patients-with-beh%C3%A3-et-s-disease-review-of-the-data-and-future-perspectives
#4
REVIEW
Athanase D Protogerou, Efthimia G Nasothimiou, Petros P Sfikakis, Athanasios G Tzioufas
Vascular inflammation in small to large veins and arteries contributes substantially to mortality above that of the general population in Behçet's disease. Recent data verified also the presence of accelerated classical subclinical arterial damage (atheromatosis, arteriosclerosis, arterial hypertrophy) even in patients free of overt vascular complications, and may be complementary to that of vasculitis. Early detection of such vascular damage might provide helpful pathophysiological insight and potentially even guide treatment management...
October 6, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29148119/the-anatomy-of-the-pediatric-airway-has-our-knowledge-changed-in-120-years-a-review-of-historic-and-recent-investigations-of-the-anatomy-of-the-pediatric-larynx
#5
REVIEW
Josef Holzki, Karen A Brown, Robert G Carroll, Charles J Coté
BACKGROUND: There is disagreement regarding the anatomy of the pediatric airway, particularly regarding the shape of the cricoid cartilage and the location of the narrowest portion of the larynx. AIMS: The aim of this review is to clarify the origin and the science behind these differing views. METHODS: We undertook a review of published literature, University Libraries, and authoritative textbooks with key search words and phrases. RESULTS: In vivo observations suggest that the narrowest portion of the airway is more proximal than the cricoid cartilage...
November 17, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29147465/myricetin-possesses-potential-protective-effects-on-diabetic-cardiomyopathy-through-inhibiting-i%C3%AE%C2%BAb%C3%AE-nf%C3%AE%C2%BAb-and-enhancing-nrf2-ho-1
#6
Hai-Han Liao, Jin-Xiu Zhu, Hong Feng, Jian Ni, Nan Zhang, Si Chen, Huang-Jun Liu, Zheng Yang, Wei Deng, Qi-Zhu Tang
Diabetic cardiomyopathy (DCM) is associated with a greater risk of mortality in patients with diabetes mellitus. Currently, no specific treatment has been suggested for DCM treatment. This study demonstrated that myricetin (M) attenuated DCM-associated cardiac injury in mice subjected to streptozotocin (SZT) and in neonatal rat cardiomyocytes (NRCM) challenged with high glucose. In vivo investigation demonstrated 6 months of M treatment (200 mg/kg/d) significantly alleviated cardiac hypertrophy, apoptosis, and interstitial fibrosis...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29146888/halitosis-in-children-with-adenoid-hypertrophy
#7
Małgorzata Sikorska-Żuk, Marek Bochnia
This paper attempts to identify the sources and evaluate the prevalence of halitosis in children with adenoid hypertrophy. The study included pediatric patients admitted for adenoidectomy due to obstructive symptoms. Patients with possibly other causes of halitosis, were excluded from the study. Halitosis was detected in 30 out of 136 children (22.1%). The effect of adenoid hypertrophy on halitosis was confirmed by the significant reduction in the organoleptic score rated according to the Rosenberg Scale (on average by 2 degrees) and the levels of volatile sulfur compounds (VSCs) (on average 84 ppb) post-adenoidectomy, as compared to pre-surgery results...
November 17, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/29146865/echocardiographic-changes-with-non-invasive-ventilation-and-cpap-in-obesity-hypoventilation-syndrome
#8
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/29146733/effects-of-chronically-increased-vegf-a-on-the-aging-heart
#9
Alexander G Marneros
Whether approaches to chronically increase VEGF-A in the heart may have beneficial effects and prevent the development of heart failure, in part by improving cardiac perfusion, or whether this increase could have detrimental effects on cardiac performance in the aging heart, has not been tested yet. In this study, a genetic mouse model with a chronic increase in VEGF-A in the heart is shown to have increased cardiac angiogenesis and develop cardiac hypertrophy with enhanced basal cardiac performance with age progression...
November 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29146527/osthole-attenuates-right-ventricular-remodeling-via-decreased-myocardial-apoptosis-and-inflammation-in-monocrotaline-induced-rats
#10
Yeli Li, Yiqi Li, Fuguo Shi, Lina Wang, Lisheng Li, Danli Yang
Osthole (Ost) is a coumarin that exhibits wide pharmacological effects in the cardiovascular system. However, whether Ost can inhibit apoptosis and inflammation in right ventricle (RV) cardiomyocytes and prevent RV remodeling is not clear. This study was designed to investigate the effect of Ost on RV remodeling and the underlying mechanism. By applying a monocrotaline (MCT)-induced rat model, the effect of Ost on RV remodeling was investigated. Rats were given a single dose of MCT (50mg⁄kg) subcutaneously (s...
November 13, 2017: European Journal of Pharmacology
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
#11
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/29146449/an-integrated-metabolic-consequence-of-hepatospora-eriocheir-infection-in-the-chinese-mitten-crab-eriocheir-sinensis
#12
Zhengfeng Ding, Jing Pan, Hua Huang, Gongcheng Jiang, Jianqin Chen, Xueshen Zhu, Renlei Wang, Guohua Xu
Despite the economic and evolutionary importance of aquatic host-infecting microsporidian species, at present, limited information has been provided about the microsporidia-host interactions. This study focused on Hepatospora eriocheir, an emerging microsporidian pathogen for the Chinese mitten crab Eriocheir sinensis. Hypertrophy of hepatopancreas cells was a common feature of H. eriocheir infection. More importantly, mitochondria of the hepatopancreas were drawn around the H. eriocheir, most likely to aid the uptake of ATP directly from the host...
November 13, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29146214/-treatments-of-steroid-dependent-nephrotic-syndrome-in-children
#13
A Couderc, E Bérard, V Guigonis, I Vrillon, J Hogan, V Audard, V Baudouin, C Dossier, O Boyer
Primary nephrotic syndrome (NS) is the most common glomerular disease in children. It is characterized by massive proteinuria and hypoalbuminemia. It typically has a sudden onset and more than 70% of patients will experience at least one relapse. An immunological origin has long been postulated, although the precise molecular mechanisms underlying the disease remain debated. Steroids are the first-line therapy with cumulative dose and duration of initial treatment varying among countries. Steroid-sparing agents may be indicated in case of steroid-dependency or frequent relapses...
November 13, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29146141/the-myth-of-water-and-salt-from-aquaretics-to-tenapanor
#14
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/29145587/paradoxical-adipose-hypertrophy-pah-after-cryolipolysis
#15
Nathaniel Stroumza, Nelly Gauthier, Patricia Senet, Philippe Moguelet, Raphael Nail Barthelemy, Michael Atlan
Background: Cryolipolysis is a minimally invasive technique used to decrease local adipose tissue by thermal cooling. Paradoxical adipose hypertrophy (PAH) is a rare complication of cryolipolysis with important aesthetic consequences. Objectives: The objective of this study was to describe four cases of PAH after a cryolipolysis treatment. Methods: Between January 2014 and January 2017, all patients who had undergone a cryolipolysis treatment in a single center were reviewed...
November 14, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29145571/commentary-on-paradoxical-adipose-hypertrophy-pah-after-cryolipolysis
#16
Erica Wang, Ramanjot Kaur, Jared Jagdeo
No abstract text is available yet for this article.
November 14, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29145451/stromal-interaction-molecule-1-haploinsufficiency-causes-maladaptive-response-to-pressure-overload
#17
Takayoshi Ohba, Hiroyuki Watanabe, Manabu Murakami, Kenji Iino, Takeshi Adachi, Yoshihiro Baba, Tomohiro Kurosaki, Kyoichi Ono, Hiroshi Ito
Stromal interaction molecule 1 (STIM1), an endo/sarcoplasmic reticulum Ca2+ sensor, has been shown to control a Ca2+-dependent signal that promotes cardiac hypertrophy. However, whether STIM1 has adaptive role that helps to protect against cardiac overload stress remains unknown. We hypothesized that STIM1 deficiency causes a maladaptive response to pressure overload stress. We investigated STIM1 heterozygous KO (STIM1+/-) mice hearts, in which STIM1 protein levels decreased to 27% of wild-type (WT) with no compensatory increase in STIM2...
2017: PloS One
https://www.readbyqxmd.com/read/29143975/sustained-cardiac-programming-by-short-term-juvenile-exercise-training-in-male-rats
#18
Y Asif, M E Wlodek, M J Black, A P Russell, P F Soeding, G D Wadley
The aim of this study was to investigate if endurance training during juvenile life 'reprograms' the heart and leads to sustained improvements in the structure, function, and morphology of the adult heart. Male Wistar Kyoto rats were exercise trained 5 days/week for four weeks in either juvenile (5-9 weeks of age), adolescent (11-15 weeks of age) or adult life (20-24 weeks of age). Juvenile exercise training, when compared to 24 week old sedentary rats, led to sustained increases in left ventricle (LV) mass (+18%; P < 0...
November 16, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29143862/a20-prevents-obesity-induced-development-of-cardiac-dysfunction
#19
Wenjing Xu, Cheng Wang, Minglu Liang, Long Chen, Qin Fu, Fengxiao Zhang, Yan Wang, Dan Huang, Kai Huang
Obesity and an increased free fatty acid (FFA) level are tightly linked, leading to aberrant oxidative stress, inflammation, apoptosis, and progression to cardiovascular disorders. A20 is a ubiquitin-modifying enzyme that plays a significant role in the negative regulation of inflammatory response. Here, we study the role of A20 in obesity-induced heart injury and explore the underlying mechanisms. A20 expression was first increased in mouse hearts after 4 weeks of a high-fat diet (HFD) and then was gradually decreased in the following 20 weeks...
November 16, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29143659/effect-of-heartworm-disease-and-heartworm-associated-respiratory-disease-hard-on-the-right-ventricle-of-cats
#20
Randolph L Winter, A Ray Dillon, Russell C Cattley, Byron L Blagburn, D Michael Tillson, Calvin M Johnson, William R Brawner, Elizabeth G Welles, Sharon Barney
BACKGROUND: Dirofilaria immitis infection occurs in dogs and cats, both of which species are clinically affected by mature adult infections. Cats are uniquely affected by immature-adult infections with an inflammatory pulmonary disease called Heartworm-Associated Respiratory Disease (HARD). D. immitis infection causes pulmonary parenchymal and vascular pathology in the dog and cat. Dogs develop pulmonary hypertension and cor pulmonale, whereas the development of pulmonary hypertension is rare in the cat...
November 9, 2017: Parasites & Vectors
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