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Systemic hypertension

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https://www.readbyqxmd.com/read/29161783/cancer-treatment-and-management-for-elderly-patients-80-years-of-age-or-older-with-malignant-solid-tumors
#1
Mao Matsubayashi, Fumihiro Oshita, Natsuki Kawata, Takafumi Yanagibashi, Satoshi Tanaka, Yoshiteru Hao, Yuichi Kurakami, Keisuke Iwabuchi, Yohsuke Kunishi, Mitsuyasu Ohta, Yuki Nakamura, Kohichiro Yoshie
We retrospectively analyzed the backgrounds, treatment and nursing care for 96 patients aged 80 years or more with malignant tumors. Twenty of them were hospitalized on an emergency basis. Sixty patients were male and 36 were female, with a median age of 83 years (range: 80-94 years). Twenty-seven had a PS of 3 or 4, and 41 were rated as not independent based on analysis of autonomy at hospitalization. Forty-seven patients had clinical stage III or IV malignancies. The proportions of patients with disease complications were 33...
November 2017: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/29160855/effects-of-red-palm-oil-on-myocardial-antioxidant-enzymes-nitric-oxide-synthase-and-heart-function-in-spontaneously-hypertensive-rats
#2
Emma Katengua-Thamahane, Barbara Szeiffova Bacova, Iveta Bernatova, Matus Sykora, Vladimir Knezl, Jacques Van Rooyen, Narcis Tribulova
The purpose of this study was to investigate the effect of antioxidants rich red palm oil (RPO) supplementation on cardiac oxidative stress known as crucial factor deteriorating heart function in hypertension. 3-month-old, male spontaneously hypertensive rats (SHR) and normotensive Wistar Kyoto rats (WKY) were fed standard rat chow without or with RPO (0.2 mL/day/5 weeks). General characteristic of rats were registered. Left ventricular tissue (LV) was used to determine expression of superoxide dismutases (SOD1, SOD2) and glutathione peroxidases (Gpx) as well as activity of nitric oxide synthase (NOS)...
November 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29160546/cortical-blindness-secondary-to-posterior-reversible-encephalopathy-syndrome-recovered-by-successful-blood-pressure-management
#3
José Manuel Abalo-Lojo, Sandra Baleato-González, Francisco Gonzalez
We report a case of cortical blindness secondary to posterior leukoencephalopathy syndrome, which was successfully treated by blood pressure management. A 66-year-old white man presented at the emergency room complaining of severe frontal headache, disorientation, and progressive blurred vision. The initial physical examination disclosed a blood pressure of 200/176 mmHg. One hour later the patient exhibited mental confusion and bilateral blindness. Computed tomography and magnetic resonance imaging were performed, and a systemic workup was conducted, resulting in a diagnosis of posterior leukoencephalopathy syndrome...
September 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/29160495/systemic-arterial-hypertension-in-people-living-with-hiv-aids-integrative-review
#4
Maria Amanda Correia Lima, Gilmara Holanda da Cunha, Marli Teresinha Gimeniz Galvão, Ryvanne Paulino Rocha, Kátia Barbosa Franco, Marina Soares Monteiro Fontenele
OBJECTIVE: To analyze scientific productions about the relationship between HIV and Systemic Arterial Hypertension (SAH) in people living with HIV/AIDS (PLWHA). METHOD: Integrative literature review in six databases, held in March 2016. "AIDS" and "hypertension" were the keywords used in Portuguese, English and Spanish languages. We found 248 articles and selected 17. The categories formulated were "prevalence of SAH in PLWHA," "risk factors for SAH in PLWHA" and "adverse events of antiretroviral therapy (ART) that contribute to HAS...
November 2017: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/29160451/main-characteristics-of-patients-of-primary-health-care-services-in-brazil
#5
Ione Aquemi Guibu, José Cássio de Moraes, Augusto Afonso Guerra, Ediná Alves Costa, Francisco de Assis Acurcio, Karen Sarmento Costa, Margô Gomes de Oliveira Karnikowski, Orlando Mario Soeiro, Silvana Nair Leite, Juliana Álvares
OBJECTIVE: To characterize patients of primary health care services according to demographic and socioeconomic aspects, habits and lifestyle, health condition, and demand for health services and medicines. METHODS: This study is part of the Pesquisa Nacional sobre Acesso, Utilização e Promoção do Uso Racional de Medicamentos - Serviços (PNAUM - National Survey on Access, Use and Promotion of Rational Use of Medicines - Services), a cross-sectional study carried out between 2014 and 2015...
November 13, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/29159668/new-pulmonary-hypertension-model-in-conscious-dogs-to-investigate-pulmonary-selectivity-of-acute-pharmacological-interventions
#6
Thomas Mondritzki, Philip Boehme, Lena Schramm, Julia Vogel, Ilka Mathar, Peter Ellinghaus, Peter Kolkhof, Erwin Bischoff, Jörg Hüser, Wilfried Dinh, Peter Sandner, Hubert Truebel
PURPOSE: Testing of investigational drugs in animal models is a critical step in drug development. Current models of pulmonary hypertension (PH) have limitations. The most relevant outcome parameters such as pulmonary artery pressure (PAP) are measured invasively which requires anesthesia of the animal. We developed a new canine PH model in which pulmonary vasodilators can be characterized in conscious dogs and lung selectivity can be assessed non-invasively. METHODS: Telemetry devices were implanted to measure relevant hemodynamic parameters in conscious dogs...
November 20, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29159527/melatonin-ameliorates-intrarenal-renin-angiotensin-system-in-a-5-6-nephrectomy-rat-model
#7
Sayaka Ishigaki, Naro Ohashi, Takashi Matsuyama, Shinsuke Isobe, Naoko Tsuji, Takamasa Iwakura, Tomoyuki Fujikura, Takayuki Tsuji, Akihiko Kato, Hiroaki Miyajima, Hideo Yasuda
BACKGROUND: Activation of the intrarenal renin-angiotensin system (RAS) plays a critical role in the pathophysiology of chronic kidney disease (CKD) and hypertension. It has been reported that reactive oxygen species (ROS) are important components of intrarenal RAS activation. Melatonin is recognized as a powerful antioxidant, and we recently reported that impaired nighttime melatonin secretion correlates negatively with urinary angiotensinogen excretion, the surrogate marker of intrarenal RAS activity in patients with CKD...
November 20, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29158664/impact-of-baseline-blood-pressure-on-the-magnitude-of-blood-pressure-lowering-by-nifedipine-gastrointestinal-therapeutic-system-refreshing-the-wilder-s-principle
#8
Haijuan Hu, Jidong Zhang, Yan Wang, Zejun Tian, Demin Liu, Guangming Zhang, Guoqiang Gu, Hongmei Zheng, Ruiqin Xie, Wei Cui
Background: The objective of the study was to investigate the relationship between baseline blood pressure (BP) and the magnitude of BP reduction in patients with essential hypertension treated with nifedipine gastrointestinal therapeutic system (NGTS). Methods and patients: One hundred and thirty-eight patients with essential hypertension were enrolled in this prospective, single-arm, open-label study. NGTS was administered for 24 weeks to achieve target BP of 140/90 mmHg...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29158260/the-actin-organizing-formin-protein-fhod3-is-required-for-postnatal-development-and-functional-maintenance-of-the-adult-heart-in-mice
#9
Tomoki Ushijima, Noriko Fujimoto, Sho Matsuyama, Meikun Kan-O, Hiroshi Kiyonari, Go Shioi, Yohko Kage, Sho Yamasaki, Ryu Takeya, Hideki Sumimoto
Cardiac development and function require actin-myosin interactions in the sarcomere, a highly organized contractile structure. Sarcomere assembly mediated by formin homology 2 domain-containing 3 (Fhod3), a member of formins that direct formation of straight actin filaments, is essential for embryonic cardiogenesis. However, the role of Fhod3 in the neonatal and adult stages has remained unknown. Here we generated floxed Fhod3 mice to bypass the embryonic lethality of an Fhod3 knockout (KO). Perinatal KO of Fhod3 in the heart caused juvenile lethality at around day 10 after birth with enlarged hearts composed of severely impaired myofibrils, indicating that Fhod3 is crucial for postnatal heart development...
November 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29158149/the-role-of-hydrogen-sulfide-in-cyclic-nucleotide-signaling
#10
REVIEW
Xu Cao, Zhiyuan Wu, Siping Xiong, Lei Cao, Gautam Sethi, Jin-Song Bian
Hydrogen sulfide (H2S) is recognized as an endogenous gaseous transmitter alongside nitric oxide (NO) and carbon monoxide (CO). By integrating into multiple signaling pathways, H2S elicits biological functions in various mammalian systems. Among these pathways, cyclic nucleotide signaling has gradually gained attention in the past decade. Based on current evidence, it seems that H2S may differentially affect the activity of resting adenylyl cyclases (ACs) and activated ACs, therefore playing a dual role in the regulation of cyclic adenosine monophosphate (cAMP) mediated signaling...
November 17, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29158033/resident-fibroblast-expansion-during-cardiac-growth-and-remodeling
#11
Malina J Ivey, Jill T Kuwabara, Jonathan T Pai, Richard E Moore, Zuyue Sun, Michelle D Tallquist
Cardiac fibrosis, denoted by the deposition of extracellular matrix, manifests with a variety of diseases such as hypertension, diabetes, and myocardial infarction. Underlying this pathological extracellular matrix secretion is an expansion of fibroblasts. The mouse is now a common experimental model system for the study of cardiovascular remodeling and elucidation of fibroblast responses to cardiac growth and stress is vital for understanding disease processes. Here, using diverse but fibroblast specific markers, we report murine fibroblast distribution and proliferation in early postnatal, adult, and injured hearts...
November 17, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29158011/extended-adjuvant-intermittent-letrozole-versus-continuous-letrozole-in-postmenopausal-women-with-breast-cancer-sole-a-multicentre-open-label-randomised-phase-3-trial
#12
Marco Colleoni, Weixiu Luo, Per Karlsson, Jacquie Chirgwin, Stefan Aebi, Guy Jerusalem, Patrick Neven, Erika Hitre, Marie-Pascale Graas, Edda Simoncini, Claus Kamby, Alastair Thompson, Sibylle Loibl, Joaquín Gavilá, Katsumasa Kuroi, Christian Marth, Bettina Müller, Seamus O'Reilly, Vincenzo Di Lauro, Andrea Gombos, Thomas Ruhstaller, Harold Burstein, Karin Ribi, Jürg Bernhard, Giuseppe Viale, Rudolf Maibach, Manuela Rabaglio-Poretti, Richard D Gelber, Alan S Coates, Angelo Di Leo, Meredith M Regan, Aron Goldhirsch
BACKGROUND: In animal models of breast cancer, resistance to continuous use of letrozole can be reversed by withdrawal and reintroduction of letrozole. We therefore hypothesised that extended intermittent use of adjuvant letrozole would improve breast cancer outcome compared with continuous use of letrozole in postmenopausal women. METHODS: We did the multicentre, open-label, randomised, parallel, phase 3 SOLE trial in 240 centres (academic, primary, secondary, and tertiary care centres) in 22 countries...
November 17, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29157960/immune-responses-to-intradermal-and-intramuscular-inactivated-influenza-vaccine-among-older-age-group
#13
Kobporn Boonnak, Jittima Dhitavat, Narumon Thantamnu, Nathamon Kosoltanapiwat, Montida Auayporn, Li Jiang, Pilaipan Puthavathana, Punnee Pitisuttithum
BACKGROUD: Influenza viruses cause substantial morbidity, especially in older age groups. Thus, they are amongst high priority groups for routine vaccination. However, vaccine-induced immune responses and effectiveness were reported as relatively low. This study aims to systemically compare the immune responses elicited by intramuscular (IM) and intradermal (ID) injections with inactivated seasonal influenza vaccine among the older age group. METHODS: A prospective, open-label, randomized study with a total of 221 adults (>60 years) were enrolled and randomized into 2 groups...
November 17, 2017: Vaccine
https://www.readbyqxmd.com/read/29157802/identification-and-in-silico-characterization-of-a-novel-peptide-inhibitor-of-angiotensin-converting-enzyme-from-pigeon-pea-cajanus-cajan
#14
K A Ayub Nawaz, Swapna Merlin David, Easwaran Murugesh, Murugesan Thandeeswaran, Kalarikkal Gopikrishnan Kiran, Ramasamy Mahendran, Muthusamy Palaniswamy, Jayaraman Angayarkanni
BACKGROUND: Plants are important sources of bioactive peptides. Among these, angiotensin converting enzyme (ACE) inhibitory peptides have a major focus on their ability to prevent hypertension. Inhibition of ACE has been established as an effective approach for the treatment of ACE associated diseases. HYPOTHESIS/PURPOSE: Some synthetic ACE inhibitory drugs cause side effects and hence there is a constant interest in natural compounds as alternatives. STUDY DESIGN: The study was designed to identify and characterize a peptide molecule from pigeon pea which has the biological property to inhibit ACE and can be developed as a therapeutic approach towards hypertension...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29157582/serum-lipid-profile-sleep-disordered-breathing-and-blood-pressure-in-the-elderly-a-10-year-follow-up-of-the-proof-synapse-cohort
#15
Denis Monneret, Jean-Claude Barthélémy, David Hupin, Delphine Maudoux, Sébastien Celle, Emilia Sforza, Frédéric Roche
OBJECTIVES: Dyslipidemia, sleep-disordered breathing (SDB) and hypertension are comorbid factors evidenced in adults, but poorly studied in old people. This study aimed to examine the long-term evolution of the serum lipid profile, and its relationships with SDB and blood pressure (BP) in the elderly. METHODS: A ten-year follow-up of the prospective Prognostic Indicator of Cardiovascular and Cerebrovascular Events (PROOF) and the Autonomic Nervous System Activity, Aging and Sleep Apnea/Hypopnea (SYNAPSE) cohort, which initially included 1011 elderly subjects from the general population, and who were untreated by continuous positive airway pressure (CPAP)...
November 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29155297/divergent-profile-between-hypothalamic-and-plasmatic-aminopeptidase-activities-in-wky-and-shr-influence-of-beta-adrenergic-blockade
#16
Isabel Prieto, Ana B Segarra, Marc de Gasparo, Magdalena Martínez-Cañamero, Manuel Ramírez-Sánchez
AIMS: Wistar-Kyoto (WKY) and spontaneously hypertensive rats (SHR) differ in their renin-angiotensin system function and sympathetic tone. The metabolism of angiotensins and vasopressin depends on the action of certain aminopeptidases whose activity may be influenced by the autonomic nervous system. Their regulation may differ between WKY and SHR in hypothalamus and plasma according to the sympathetic tone. We analyzed aminopeptidases responsible for the hydrolysis of certain angiotensins, vasopressin, cholecystokinin or enkephalins in hypothalamus and plasma of WKY and SHR in untreated controls rats and under beta-adrenoceptor blockade...
November 16, 2017: Life Sciences
https://www.readbyqxmd.com/read/29153690/time-course-of-angiotensin-ii-dependent-vascular-and-metabolic-effects-of-preeclampsia
#17
Paula Rosas, Cecilia Tufiño, Ismael Bracho Valdes, Rosa A Bobadilla Lugo
Pregnancy is characterized by a blunted pressor response to angiotensin II that is progressively lost during preeclampsia complicated pregnancies. Renin angiotensin system (RAS) plays a pivotal role in cardiovascular and renal function but its role in normal and pathological pregnancy is far from being clarified. It is not as clear if hypertension and particularly pregnancy-induced hypertension as the initial event, can trigger some of the metabolic syndrome components, and if these changes are angiotensin II mediated...
October 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29152588/the-delivery-science-rapid-analysis-program-a-research-and-operational-partnership-at-kaiser-permanente-northern-california
#18
Julie A Schmittdiel, Rick Dlott, Joseph D Young, Michael B Rothmann, Wendy Dyer, Alyce S Adams
Introduction: Health care researchers and delivery system leaders share a common mission to improve health care quality and outcomes. However, differing timelines, incentives, and priorities are often a barrier to research and operational partnerships. In addition, few funding mechanisms exist to generate and solicit analytic questions that are of interest to both research and to operations within health care settings, and provide rapid results that can be used to improve practice and outcomes...
October 2017: Learn Health Syst
https://www.readbyqxmd.com/read/29152039/hepatic-hydrothorax-an-update-and-review-of-the-literature
#19
REVIEW
Dmitry Victorovich Garbuzenko, Nikolay Olegovich Arefyev
This review considers the modern concepts of pathogenesis, diagnostic methods, and treatment principles of hepatic hydrothorax (HH). HH is the excessive (> 500 mL) accumulation of transudate in the pleural cavity in patients with decompensated liver cirrhosis but without cardiopulmonary and pleural diseases. It causes respiratory failure which aggravates the clinical course of liver cirrhosis, and the emergence of spontaneous bacterial pleural empyema may be the cause of death. The information was collected from the PubMed database, the Google Scholar retrieval system, the Cochrane reviews, and the reference lists from relevant publications for 1994-2016 using the keywords: "liver cirrhosis", "portal hypertension", "hepatic hydrothorax", "pathogenesis", "diagnostics", and "treatment"...
November 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/29151517/thrombotic-microangiopathy-presenting-with-intestinal-involvement-following-long-term-interferon-%C3%AE-1b-treatment-for-multiple-sclerosis
#20
Shusaku Omoto, Tomohiro Utsumi, Hiromasa Matsuno, Yuka Terasawa, Yasuyuki Iguchi
Thrombotic microangiopathies (TMAs) are systemic microvascular occlusive disorders. The present report describes a patient with relapsing-remitting multiple sclerosis who had been treated with interferon (IFN)-β1b therapy for eight years and developed TMA. The patient presented with headache, thrombocytopenia, renal dysfunction, severe hypertension, posterior reversible encephalopathy syndrome, and gastrointestinal involvement. After discontinuation of the medication and initiation of antihypertensive treatment, the patient rapidly improved...
November 20, 2017: Internal Medicine
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