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https://www.readbyqxmd.com/read/29145244/association-between-renin-angiotensin-aldosterone-system-blockade-and-future-osteoporotic-fracture-risk-in-hypertensive-population-a-population-based-cohort-study-in-taiwan
#1
Chang-I Chen, Jong-Shiuan Yeh, Nai-Wen Tsao, Fen-Yen Lin, Chun-Ming Shih, Kuang-Hsing Chiang, Yung-Ta Kao, Yu-Ann Fang, Lung-Wen Tsai, Wen-Chi Liu, Hironori Nakagami, Ryuichi Morishita, Yi-Jie Kuo, Chun-Yao Huang
Tissue renin-angiotensin-aldosterone system (RAAS) activation in sites of osteoporosis had been demonstrated in animal studies; however, the possibility of RAAS blockade to prevent future osteoporotic fracture had rarely been verified in clinical studies. We Used the Taiwan Longitudinal Health insurance database 2000 to 2008, the cohort study comprised patients age over 40 with a recorded new diagnosis of hypertension between January 1, 2000 to December 31, 2008, in addition, patients who had diagnosis of osteoporosis before the date of cohort enter were excluded...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29143659/effect-of-heartworm-disease-and-heartworm-associated-respiratory-disease-hard-on-the-right-ventricle-of-cats
#2
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
https://www.readbyqxmd.com/read/29143501/-the-place-of-balloon-pulmonary-angioplasty-in-the-management-of-chronic-thromboembolic-pulmonary-hypertension
#3
Aileen Kharat, Béatrice Duxbury, Anne-Lise Hachull, Stéphane Noble, Hélène Bouvaist, Paola M Soccal, Frédéric Lador
Chronic thromboembolic pulmonary hypertension (CTEPH) is uncommon. Its diagnosis should not be delayed as its prognosis is poor if not treated. In most cases, an acute pulmonary embolism is found in the medical history of the patient. Once suspected, a specific work-up should be performed in a pulmonary hypertension (PH) center. The ventilation/perfusion scan has a central role in this workup but the emergence of non invasive imaging technologies provides morphological and functional information which take part in the therapeutic decision making, such as operability...
November 15, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29142033/all-cause-healthcare-costs-and-mortality-in-patients-with-systemic-sclerosis-with-lung-involvement
#4
Aryeh Fischer, Amanda M Kong, Jeffrey J Swigris, Ashley L Cole, Karina Raimundo
OBJECTIVE: Patients with systemic sclerosis (SSc) often develop interstitial lung disease (ILD) and/or pulmonary arterial hypertension (PAH). The effect of ILD and PAH on healthcare costs among patients with SSc is not well described. The objective of this analysis was to describe healthcare costs in patients with newly diagnosed SSc and SSc patients newly diagnosed with ILD and/or PAH in the United States. METHODS: This retrospective cohort analysis was conducted in the Truven Health MarketScan Commercial and Medicare Supplemental healthcare claims databases from 2003 to 2014...
November 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/29141888/lung-cancer-associated-pulmonary-hypertension-role-of-microenvironmental-inflammation-based-on-tumor-cell-immune-cell-cross-talk
#5
Soni Savai Pullamsetti, Baktybek Kojonazarov, Samantha Storn, Henning Gall, Ylia Salazar, Janine Wolf, Andreas Weigert, Nefertiti El-Nikhely, Hossein Ardeschir Ghofrani, Gabriele A Krombach, Ludger Fink, Stefan Gattenlöhner, Ulf R Rapp, Ralph Theo Schermuly, Friedrich Grimminger, Werner Seeger, Rajkumar Savai
Dyspnea is a frequent, devastating, and poorly understood symptom of advanced lung cancer. In our cohort, among 519 patients who underwent a computed tomography scan for the diagnosis of lung cancer, 250 had a mean pulmonary artery diameter of >28 mm, indicating pulmonary hypertension (PH). In human lung cancer tissue, we consistently observed increased vascular remodeling and perivascular inflammatory cell accumulation (macrophages/lymphocytes). Vascular remodeling, PH, and perivascular inflammatory cell accumulation were mimicked in three mouse models of lung cancer (LLC1, KRas(LA2) , and cRaf-BxB)...
November 15, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29141318/-ras-associated-autoimmune-leukoproliferative-disorder-a-report-of-2-cases-and-literature-review
#6
T Y He, C R Li, Y Xia, F F Liang, Y Luo, J Yang
Objective: To investigate the clinical features and genetic characteristics of cases with Ras-associated autoimmune leukoproliferative disorder(RALD). Method: Characteristics of clinical data and gene mutation of the first two cases in China with RALD were retrospectively analyzed. The related literature was searched by using search terms "NRAS" , "KRAS" or "RALD" . Result: Case1, a seven-year-seven-month old girl, was admitted due to "thrombocytopenia and splenomegaly for three years" . Palpation showed enlargement of submandibular lymph nodes and hepatosplenomegaly...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29140133/ite-inhibits-growth-of-human-pulmonary-artery-endothelial-cells
#7
Ling-Pin Pang, Yan Li, Qing-Yun Zou, Chi Zhou, Wei Lei, Jing Zheng, Shi-An Huang
AIM: Pulmonary arterial hypertension (PAH), a deadly disorder is associated with excessive growth of human pulmonary artery endothelial (HPAECs) and smooth muscle (HPASMCs) cells. Current therapies primarily aim at promoting vasodilation, which only ameliorates clinical symptoms without a cure. 2-(1'H-indole-3'-carbonyl)-thiazole-4-carboxylic acid methyl ester (ITE) is an endogenous aryl hydrocarbon receptor (AhR) ligand, and mediates many cellular function including cell growth. However, the roles of ITE in human lung endothelial cells remain elusive...
October 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29138242/role-of-ecmo-in-congenital-diaphragmatic-hernia
#8
REVIEW
Merrill McHoney, Philip Hammond
Congenital diaphragmatic hernia (CDH) is typified morphologically by failure of diaphragmatic development with accompanying lung hypoplasia and persistent pulmonary hypertension of the newborn (PPHN). Patients who have labile physiology and low preductal saturations despite optimal ventilatory and inotropic support may be considered for extracorporeal membrane oxygenation (ECMO). Systematic reviews into the benefits of ECMO in CDH concluded that any benefit is unclear. Few randomised trials exist to demonstrate clear benefit and guide management...
November 14, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29137886/diesel-exhaust-inhalation-exposure-induces-pulmonary-arterial-hypertension-in-mice
#9
Jing Liu, Xiaoqing Ye, Dapeng Ji, Xiaofei Zhou, Cong Qiu, Weiping Liu, Luyang Yu
Diesel exhaust (DE) is one of the main sources of urban air pollution. An increasing number of evidence showed the association of air pollution with cardiovascular diseases. Pulmonary arterial hypertension (PAH) is one of the most disastrous vascular diseases, which results in right ventricular failure and death. However, the relationship of DE inhalation exposure with PAH is still unknown. In this study, male adult mice were exposed by inhalation to filtered ambient air (negative control), 10% O2 hypoxia (PAH-phenotype positive control), 350 μg/m(3) particulate matter whole DE, or the combination of DE and hypoxic condition...
November 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29137270/human-mesenchymal-stem-cells-ameliorate-experimental-pulmonary-hypertension-induced-by-maternal-inflammation-and-neonatal-hyperoxia-in-rats
#10
Chung-Ming Chen, Willie Lin, Liang-Ti Huang, Hsiu-Chu Chou
Pulmonary hypertension is a critical problem in infants with bronchopulmonary dysplasia. This study determined the therapeutic effects of human mesenchymal stem cells (MSCs) on pulmonary hypertension in an animal model. Pregnant Sprague-Dawley rats were intraperitoneally injected with lipopolysaccharide (LPS, 0.5 mg/kg/day) on gestational days 20 and 21. The pups were randomly assigned to two treatment conditions: room air (RA) or an O2-enriched atmosphere. On postnatal day 5, they were intratracheally transplanted with human MSCs (3 × 10(5) and 1 × 10(6) cells) in 0...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135495/prenatal-microrna-mir-200b-therapy-improves-nitrofen-induced-pulmonary-hypoplasia-associated-with-congenital-diaphragmatic-hernia
#11
Naghmeh Khoshgoo, Ramin Kholdebarin, Patricia Pereira-Terra, Thomas H Mahood, Landon Falk, Chelsea A Day, Barbara M Iwasiow, Fuqin Zhu, Drew Mulhall, Carly Fraser, Jorge Correia-Pinto, Richard Keijzer
OBJECTIVE: We aimed to evaluate the use of miR-200b as a prenatal transplacental therapy in the nitrofen rat model of abnormal lung development and congenital diaphragmatic hernia (CDH). BACKGROUND: Pulmonary hypoplasia (PH) and pulmonary hypertension determine mortality and morbidity in CDH babies. There is no safe medical prenatal treatment available. We previously discovered that higher miR-200b is associated with better survival in CDH babies. Here, we investigate the role of miR-200b in the nitrofen rat model of PH and CDH and evaluate its use as an in vivo prenatal therapy...
November 13, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/29133079/baicalein-attenuates-monocrotaline-induced-pulmonary-arterial-hypertension-by-inhibiting-vascular-remodeling-in-rats
#12
Ruizan Shi, Zehui Wei, Diying Zhu, Naijie Fu, Wang Chang, Sha Yin, Yueqin Liang, Jianfeng Xing, Xuening Wang, Yan Wang
BACKGROUND: Pulmonary arterial hypertension (PAH) is a devastating cardiopulmonary disorder characterized by elevated pulmonary arterial pressure (PAP) and right ventricular hypertrophy (RVH) driven by progressive vascular remodeling. Reversing adverse vascular remodeling is an important concept in the treatment of PAH. Endothelial injury, inflammation, and oxidative stress are three main contributors to pulmonary vascular remodeling. Baicalein is a natural flavonoid that has been shown to possess anti-proliferative, anti-inflammatory, anti-oxidative, and cardioprotective properties...
November 10, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29132745/-membranous-microparticles-and-respiratory-disease
#13
REVIEW
B Renaud-Picard, J Toussaint, A Leclercq, J Reeb, L Kessler, F Toti, R Kessler
Microparticles (MP) are plasmic membrane fragments released from cells after physiological stimulation or stress conditions like inflammation or infection. Their production is correlated to the rate of cell apoptosis. All types of cells can produce MP but they are produced mainly by platelets, endothelial cells, and leukocytes. They carry many bio-active molecules on their surface, specific to the parental cell, giving them the ability to be biomarkers and bio-effectors. MP are present in circulating blood, tissues and many biological fluids...
November 10, 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/29132698/risk-factor-analysis-for-intraoperative-extracorporeal-membrane-oxygenation-weaning-failure-after-lung-transplantation
#14
Kyoung Shik Narm, Seokkee Lee, Jee Won Suh, Anes Kim, Jin Gu Lee, Moo Suk Park, Song Yee Kim, Joo Han Song, Su Jin Jeong, Hyo Chae Paik
BACKGROUND: Extracorporeal membrane oxygenation (ECMO) has been widely used for hemodynamic support during lung transplantation (LTx). We evaluated the risk factors associated with failure of weaning from ECMO in the operating room during LTx. METHODS: We retrospectively reviewed 74 consecutive patients who had undergone LTx from March 2013 to February 2016. Patients who underwent single LTx, multiorgan transplantation, and LTx for pulmonary hypertension were excluded...
November 11, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29129443/adjuvant-chemotherapy-with-or-without-bevacizumab-in-patients-with-resected-non-small-cell-lung-cancer-e1505-an-open-label-multicentre-randomised-phase-3-trial
#15
Heather A Wakelee, Suzanne E Dahlberg, Steven M Keller, William J Tester, David R Gandara, Stephen L Graziano, Alex A Adjei, Natasha B Leighl, Seena C Aisner, Jan M Rothman, Jyoti D Patel, Mark D Sborov, Sean R McDermott, Roman Perez-Soler, Anne M Traynor, Charles Butts, Tracey Evans, Atif Shafqat, Andrew E Chapman, Samer S Kasbari, Leora Horn, Suresh S Ramalingam, Joan H Schiller
BACKGROUND: Adjuvant chemotherapy for resected early-stage non-small-cell lung cancer (NSCLC) provides a modest survival benefit. Bevacizumab, a monoclonal antibody directed against VEGF, improves outcomes when added to platinum-based chemotherapy in advanced-stage non-squamous NSCLC. We aimed to evaluate the addition of bevacizumab to adjuvant chemotherapy in early-stage resected NSCLC. METHODS: We did an open-label, randomised, phase 3 trial of adult patients (aged ≥18 years) with an Eastern Cooperative Oncology Group performance status of 0 or 1 and who had completely resected stage IB (≥4 cm) to IIIA (defined by the American Joint Committee on Cancer 6th edition) NSCLC...
November 9, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29128648/a-hypertension-emergency-department-intervention-aimed-at-decreasing-disparities-design-of-a-randomized-clinical-trial
#16
Heather M Prendergast, Marina Del Rios, Renee Petzel-Gimbar, Daniel Garside, Sara Heinert, Sandra Escobar-Schulz, Pavitra Kotini-Shah, Michael Brown, Jinsong Chen, Joseph Colla, Marian Fitzgibbon, Ramon A Durazo-Arvizu, Martha Daviglus
Effective interventions to identify and treat uncontrolled hypertension (HTN), particularly in underrepresented populations that use the emergency department (ED) for primary care, are critically needed. Uncontrolled HTN contributes significantly to cardiovascular morbidity and mortality and is more frequently encountered among patients presenting to the ED as compared to the primary care setting. EDs serve as the point of entry into the health care system for high-risk patient populations, including minority and low-income patients...
November 8, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29128026/hepatopulmonary-syndrome-and-portopulmonary-hypertension-implications-for-liver-transplantation
#17
REVIEW
Shaz Iqbal, Kerri Akaya Smith, Vandana Khungar
Hepatopulmonary syndrome (HPS) and portopulmonary hypertension (PoPH) represent serious pulmonary complications of advanced liver diseases. Orthotopic liver transplantation (OLT) is capable of completely resolving the underlying abnormalities associated with HPS. On the other hand, post-OLT response in patients with PoPH is less predictable, although heavily influenced by pre-OLT mean pulmonary arterial pressure. It remains the case that the opportunity to reverse 2 potentially fatal organ dysfunctions in the liver and the lung make HPS and PoPH more than worthy for further clinical investigations...
December 2017: Clinics in Chest Medicine
https://www.readbyqxmd.com/read/29127236/structural-and-functional-changes-of-the-pulmonary-vasculature-after-hypoxia-exposure-in-the-neonatal-period-a-new-swine-model-of-pulmonary-vascular-disease
#18
Daphne P M de Wijs-Meijler, Richard W B van Duin, Dirk J Duncker, Urs Scherrer, Claudio Sartori, Irwin K M Reiss, Daphne Merkus
Pulmonary vascular disease (PVD) represents an underestimated and increasing clinical burden in the neonatal period, but also later in life, when exercise-tolerance is decreased. Animal models performing long-term follow-up after a perinatal insult are lacking. This study aimed to develop and characterize a neonatal swine model with hypoxia-induced PVD, during long-term follow-up after re-exposure to normoxia, and to investigate the exercise response in this model. Piglets were exposed to a normoxic (N=10) or hypoxic environment (N=9) for four weeks...
November 10, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29126435/human-amnion-cells-reverse-acute-and-chronic-pulmonary-damage-in-experimental-neonatal-lung-injury
#19
Dandan Zhu, Jean Tan, Amina S Maleken, Ruth Muljadi, Siow T Chan, Sin N Lau, Kirstin Elgass, Bryan Leaw, Joanne Mockler, Daniel Chambers, Kristen T Leeman, Carla F Kim, Euan M Wallace, Rebecca Lim
BACKGROUND: Despite advances in neonatal care, bronchopulmonary dysplasia (BPD) remains a significant contributor to infant mortality and morbidity. While human amnion epithelial cells (hAECs) have shown promise in small and large animal models of BPD, there is scarce information on long-term benefit and clinically relevant questions surrounding administration strategy remain unanswered. In assessing the therapeutic potential of hAECs, we investigated the impact of cell dosage, administration routes and timing of treatment in a pre-clinical model of BPD...
November 10, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29122916/task-1-kcnk3-channels-in-the-lung-from-cell-biology-to-clinical-implications
#20
REVIEW
Andrea Olschewski, Emma L Veale, Bence M Nagy, Chandran Nagaraj, Grazyna Kwapiszewska, Fabrice Antigny, Mélanie Lambert, Marc Humbert, Gábor Czirják, Péter Enyedi, Alistair Mathie
TWIK-related acid-sensitive potassium channel 1 (TASK-1 encoded by KCNK3) belongs to the family of two-pore domain potassium channels. This gene subfamily is constitutively active at physiological resting membrane potentials in excitable cells, including smooth muscle cells, and has been particularly linked to the human pulmonary circulation. TASK-1 channels are sensitive to a wide array of physiological and pharmacological mediators that affect their activity such as unsaturated fatty acids, extracellular pH, hypoxia, anaesthetics and intracellular signalling pathways...
November 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
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