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https://www.readbyqxmd.com/read/28096957/cinnamon-effects-on-metabolic-syndrome-a-review-based-on-its-mechanisms
#1
REVIEW
Hamid Mollazadeh, Hossein Hosseinzadeh
OBJECTIVES: Nowadays, cardiovascular diseases (CVDs) are the major risk factors of death globally. One of the most undeniable reasons of CVDs is metabolic syndrome (MetS). MetS is defined as a complex of diseases including insulin resistance, hyperglycemia, obesity, high blood pressure and dyslipidemia. The use of complementary medicine such as traditional herbal species can be effective in treatment of MetS's complications. Cinnamomum verum (family Lauraceae) is a medicinal global plant which has been used daily by people all over the world...
December 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28096436/angiotensin-ii-induces-differential-insulin-action-in-rat-skeletal-muscle
#2
Juthamard Surapongchai, Mujalin Prasannarong, Tepmanas Bupha-Intr, Vitoon Saengsirisuwan
Angiotensin II (ANGII) is reportedly involved in the development of skeletal muscle insulin resistance. The present investigation evaluated the effects of two ANGII doses on the phenotypic characteristics of insulin resistance syndrome and insulin action and signaling in rat skeletal muscle. Male Sprague-Dawley rats were infused with either saline (SHAM) or ANGII at a commonly used pressor dose (100 ng/kg/min; ANGII-100) or a higher pressor dose (500 ng/kg/min; ANGII-500) via osmotic minipumps for 14 days. We demonstrated that ANGII-100-infused rats exhibited the phenotypic features of non-obese insulin resistance syndrome, including hypertension, impaired glucose tolerance and insulin resistance of glucose uptake in the soleus muscle, whereas ANGII-500-treated rats exhibited diabetes-like symptoms, such as post-prandial hyperglycemia, impaired insulin secretion and hypertriglyceridemia...
January 17, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28096284/pulmonary-vascular-and-cardiac-impairment-in-interstitial-lung-disease
#3
REVIEW
Marios Panagiotou, Alistair C Church, Martin K Johnson, Andrew J Peacock
Pulmonary vascular and cardiac impairment is increasingly appreciated as a major adverse factor in the natural history of interstitial lung disease. This clinically orientated review focuses on the current concepts in the pathogenesis, pathophysiology and implications of the detrimental sequence of increased pulmonary vascular resistance, pre-capillary pulmonary hypertension and right heart failure in interstitial lung disease, and provides guidance on its management.
January 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28096150/hemodynamic-determinants-of-the-short-term-blood-pressure-variability-differential-roles-of-arterial-stiffness-and-wave-reflection
#4
Pai-Feng Hsu, Hao-Min Cheng, Shih-Hsien Sung, Shao-Yuan Chuang, Edward G Lakatta, Frank C P Yin, Pesus Chou, Chen-Huan Chen
BACKGROUND: A high 24-hour ambulatory diastolic (DBP) but not systolic (SBP) blood pressure variability (BPV) is significantly predictive of long-term cardiovascular mortality in untreated hypertensive subjects, independent of office or 24-hour SBP. The present study was aimed to investigate hemodynamic factors that are independently associated with systolic and diastolic BPV from the 24-hour ambulatory blood pressure monitoring (ABPM). METHODS: A cohort of 624 normotensive and 633 untreated hypertensive participants with baseline ABPM was drawn from a community-based survey...
January 17, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28095749/obese-adolescents-with-polycystic-ovarian-syndrome-have-elevated-cardiovascular-disease-risk-markers
#5
Sonali S Patel, Uyen Truong, Martina King, Annie Ferland, Kerrie L Moreau, Jennifer Dorosz, John E Hokanson, Hong Wang, Gregory L Kinney, David M Maahs, Robert H Eckel, Kristen J Nadeau, Melanie Cree-Green
Women with polycystic ovarian syndrome (PCOS) have evidence of subclinical cardiovascular disease (CVD). However, insulin resistance, an important factor in the development of CVD in adults, is common in adolescents with PCOS, yet data in adolescents are limited. Therefore, we sought to measure insulin resistance and CVD markers in obese youth with and without PCOS. Thirty-six PCOS and 17 non-PCOS adolescent girls who were obese, sedentary, and non-hypertensive were recruited from clinics located within the Children's Hospital Colorado...
January 1, 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28091867/arterial-aortic-stiffness-in-patients-with-resistant-hypertension-from-assessment-to-treatment
#6
REVIEW
James E Sharman, Pierre Boutouyrie, Stéphane Laurent
PURPOSE OF REVIEW: The purpose of the review is to examine whether measurement of aortic stiffness could be especially value-adding for risk stratification and treatment among patients with resistant hypertension (RH). RECENT FINDINGS: Adverse arterial remodeling and increased aortic stiffness is associated with RH, and it may be of additional clinical benefit to measure aortic stiffness in these patients. However, there is insufficient evidence to determine whether aortic stiffness is excessively high relative to the level of blood pressure (BP) among people with RH...
January 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28091544/ultrasound-prediction-of-abnormal-infant-development-in-hypertensive-pregnant-women-in-the-second-and-third-trimester
#7
Guofang Shen, Yajuan Huang, Lixin Jiang, Jinghong Gu, Yaxin Wang, Bing Hu
The objective was to assess the sensitivities and accuracies of Doppler ultrasound parameters in the second and third trimester of hypertensive pregnancies in determining perinatal outcomes. 1,054 pregnancies were retrospectively categorized into three groups (healthy pregnancies (HP, n = 988), pregnancies of hypertensive women (HypP, n = 30) and high-risk hypertension pregnancies (HRHypP, n = 36), depending on gestational hypertension as well as fetal birth weights and pregnancy outcomes. Systolic/diastolic ratio (S/D), resistance index (RI), pulsatility index (PI) of the bilateral uterine artery, umbilical artery and vein as well as venous flow velocity data were monitored by Doppler ultrasound...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28090301/pulmonary-pulse-wave-transit-time-is-associated-with-right-ventricular-pulmonary-artery-coupling-in-pulmonary-arterial-hypertension
#8
Kurt W Prins, E Kenneth Weir, Stephen L Archer, Jeremy Markowitz, Lauren Rose, Marc Pritzker, Richard Madlon-Kay, Thenappan Thenappan
Pulmonary pulse wave transit time (pPTT), defined as the time for the systolic pressure pulse wave to travel from the pulmonary valve to the pulmonary veins, has been reported to be reduced in pulmonary arterial hypertension (PAH); however, the underlying mechanism of reduced pPTT is unknown. Here, we investigate the hypothesis that abbreviated pPTT in PAH results from impaired right ventricular-pulmonary artery (RV-PA) coupling. We quantified pPTT using pulsed-wave Doppler ultrasound from 10 healthy age- and sex-matched controls and 36 patients with PAH...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28090299/tadalafil-therapy-for-sarcoidosis-associated-pulmonary-hypertension
#9
H J Ford, R P Baughman, R Aris, P Engel, J F Donohue
Sarcoidosis-associated pulmonary hypertension (SAPH) is estimated to occur in at least 5% or more of sarcoidosis patients, and it contributes to significant morbidity and mortality. Optimal therapy for SAPH is not well established. We performed a 24-week open-label trial of tadalafil for SAPH at 2 academic medical centers. Subjects were required to have confirmed sarcoidosis plus a right heart catheterization within 12 months of enrollment showing a mean pulmonary artery pressure ≥ 25 mmHg, a pulmonary artery wedge pressure ≤ 15 mmHg, and a calculated pulmonary vascular resistance ≥ 3 Wood units...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28090295/an-advanced-protocol-driven-transition-from-parenteral-prostanoids-to-inhaled-trepostinil-in-pulmonary-arterial-hypertension
#10
Ronald Oudiz, Manyoo Agarwal, Franz Rischard, Teresa De Marco
Patients with pulmonary arterial hypertension (PAH) often require parenteral prostanoids to improve symptoms and signs of PAH. Complications of parenteral prostanoids-such as catheter-related infections and intolerable adverse effects-may develop, prompting transition to inhaled prostanoids. We report a prospective, protocol-driven transition from parenteral prostanoids to inhaled prostanoids with monitoring of exercise gas exchange and acute hemodynamics. Three PAH centers recruited patients transitioning from parenteral prostanoids to inhaled trepostinil...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28090294/the-effects-of-pulmonary-vasodilating-agents-on-right-ventricular-parameters-in-severe-group-3-pulmonary-hypertension-a-pilot-study
#11
Takahiro Sato, Ichizo Tsujino, Ayako Sugimoto, Toshitaka Nakaya, Taku Watanabe, Hiroshi Ohira, Masaru Suzuki, Satoshi Konno, Noriko Oyama-Manabe, Masaharu Nishimura
Pulmonary arterial hypertension (PAH)-approved vasodilators improve right ventricular (RV) function in patients with PAH. However, whether PAH-approved drugs ameliorate RV morphology and function in lung disease-associated pulmonary hypertension (lung-PH) remains unclear. We aimed to prospectively evaluate the changes in RV volume and ejection fraction (RVEF) in 14 consecutive severe lung-PH patients treated with PAH-approved vasodilators. Severe lung-PH was defined as a mean pulmonary arterial pressure (MPAP) of ≥35 mmHg or an MPAP of ≥25 mmHg with a cardiac index (L/min/m(2)) of <2...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28090291/macrophage-migration-inhibitory-factor-as-a-novel-biomarker-of-portopulmonary-hypertension
#12
Hilary M DuBrock, Josanna M Rodriguez-Lopez, Barbara L LeVarge, Michael P Curry, Paul A VanderLaan, Zsuzsanna K Zsengeller, Elizabeth Pernicone, Ioana R Preston, Paul B Yu, Ivana Nikolic, Dihua Xu, Ravi I Thadhani, Richard N Channick, S Ananth Karumanchi
Portopulmonary hypertension (POPH) is a poorly understood complication of liver disease associated with significant morbidity and mortality. We sought to identify novel biomarkers of POPH disease presence and severity. We performed a prospective, multicenter, case-control study involving patients with liver disease undergoing right heart catheterization. POPH cases were defined as a mean pulmonary arterial pressure (mPAP) ≥25 mmHg and pulmonary vascular resistance (PVR) >240 dynes˙s˙cm(-5). Plasma samples were collected from the systemic and pulmonary circulation, and antibody microarray was used to identify biomarkers...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28089457/a-meta-analysis-of-add-on-use-of-spironolactone-in-patients-with-resistant-hypertension
#13
Di Zhao, Hui Liu, Pingshuan Dong, Jingdong Zhao
OBJECTIVE: The efficacy of add-on use of spironolactone in patients with resistant hypertension has been investigated in several small studies. We performed this meta-analysis evaluating the efficacy of add-on use of spironolactone in these patients. METHODS: We searched Pubmed, Web of Science, and Cochrane Central for all published studies evaluating add-on use of spironolactone in patients with resistant hypertension. Only randomized controlled trials determining antihypertensive effects of spironolactone were considered...
December 29, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28089339/discovery-of-a-murine-model-of-clinical-pah-mission-impossible
#14
REVIEW
Zhiyu Dai, You-Yang Zhao
Pulmonary arterial hypertension (PAH) is a lung vascular disease characterized with a progressive increase of pulmonary vascular resistance and obliterative pulmonary vascular remodeling resulting in right heart failure and premature death. In this brief review, we document the recent advances in identifying genetically modified murine models of PH, with a focus on the recent discovery of the mouse model of Tie2 Cre-mediated deletion of prolyl hydroxylase 2, which exhibits progressive obliterative vascular remodeling, severe PAH, and right heart failure, thus recapitulating many of the features of clinical PAH...
December 15, 2016: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28088113/modulatory-effect-of-vanillic-acid-on-antioxidant-status-in-high-fat-diet-induced-changes-in-diabetic-hypertensive-rats
#15
Kolanji Vinothiya, Natarajan Ashokkumar
The worldwide incidence of diabetes has increased dramatically along with widespread lifestyle and dietary changes. Diets high in fat are strongly associated with the development of obesity and can induce insulin resistance in humans and animals. It is clear that obesity constitutes a risk factor for contributing to the development of type 2 diabetes. In the present study, we investigated the therapeutic potential action of vanillic acid on diabetes associated complications using a rat model. Rats were made diabetic hypertensive by high fat diet (HFD) for 20 weeks and were treated with vanillic acid (50mg/kg bw) for last 8 weeks...
January 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28086952/glucagon-like-peptide-1-analogues-an-efficient-therapeutic-option-for-the-severe-insulin-resistance-of-lipodystrophic-syndromes-two-case-reports
#16
Joana Oliveira, Eva Lau, Davide Carvalho, Paula Freitas
BACKGROUND: Lipodystrophic syndromes are uncommon medical conditions which are normally associated with metabolic disorders, such as diabetes mellitus, dyslipidemia, and fatty liver disease. These complications are generally difficult to treat, particularly diabetes, due to severe insulin resistance. We present two case reports of successful treatment of diabetes with glucagon-like peptide-1 analogues in patients with clinical features of lipodystrophic syndromes. CASE PRESENTATION: Two white women aged 49 and 60 years manifested marked central body fat deposition with severe lipoatrophy of their limbs and buttocks and pronounced acanthosis nigricans...
January 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28086863/exercise-mediated-protection-of-diabetic-heart-through-modulation-of-microrna-mediated-molecular-pathways
#17
REVIEW
Jason Kar Sheng Lew, James T Pearson, Daryl O Schwenke, Rajesh Katare
Hyperglycaemia, hypertension, dyslipidemia and insulin resistance collectively impact on the myocardium of people with diabetes, triggering molecular, structural and myocardial abnormalities. These have been suggested to aggravate oxidative stress, systemic inflammation, myocardial lipotoxicity and impaired myocardial substrate utilization. As a consequence, this leads to the development of a spectrum of cardiovascular diseases, which may include but not limited to coronary endothelial dysfunction, and left ventricular remodelling and dysfunction...
January 13, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28079050/bipolar-radiofrequency-renal-denervation-with-the-vessix-catheter-in-patients-with-resistant-hypertension-2-year-results-from-the-reduce-htn-trial
#18
H Sievert, J Schofer, J Ormiston, U C Hoppe, I T Meredith, D L Walters, M Azizi, J Diaz-Cartelle
No abstract text is available yet for this article.
January 12, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28078909/apparent-treatment-resistant-hypertension-patient-physician-relationship-and-ethical-issues
#19
Julian E Mariampillai, Per Anders Eskås, Sondre Heimark, Anne Cecilie K Larstorp, Fadl Elmula M Fadl Elmula, Aud Høieggen, Per Nortvedt
BACKGROUND: Poor drug adherence is a major cause of apparent treatment-resistant hypertension. As a consequence, several methods have been developed and attempted implemented in clinical practice to reveal non-adherence and to monitor drug adherence. There are, however, several hitherto unresolved ethical aspects regarding potential methods for drug monitoring in these patients. RESULTS: The most striking challenge is the balance between patient autonomy and the physician's desire for the patient to adhere to the prescribed therapy...
January 12, 2017: Blood Pressure
https://www.readbyqxmd.com/read/28078487/the-role-of-the-nox4-derived-ros-mediated-rhoa-rho-kinase-pathway-in-rat-hypertension-induced-by-chronic-intermittent-hypoxia
#20
Wen Lu, Jing Kang, Ke Hu, Si Tang, Xiufang Zhou, Lifang Xu, Yuanyuan Li, Shuhui Yu
BACKGROUND: Obstructive sleep apnea syndrome, which is a risk factor for resistant hypertension, is characterized by chronic intermittent hypoxia (CIH) and is associated with many cardiovascular diseases. CIH elicits systemic oxidative stress and sympathetic hyperactivity, which lead to hypertension. Rho kinases (ROCKs) are considered to be major effectors of the small GTPase RhoA and have been extensively studied in the cardiovascular field. Upregulation of the RhoA/ROCK signaling cascade is observed in various cardiovascular disorders, such as atherosclerosis, pulmonary hypertension, and stroke...
January 11, 2017: Sleep & Breathing, Schlaf & Atmung
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