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https://www.readbyqxmd.com/read/28449486/the-prevalence-of-pulmonary-hypertension-in-patients-with-obesity-hypoventilation-syndrome-a-prospective-observational-study
#1
Aljohara S Almeneessier, Samar Z Nashwan, Mostafa Q Al-Shamiri, Seithikurippu R Pandi-Perumal, Ahmed S BaHammam
BACKGROUND: One important cardiovascular morbidity that is associated with obesity hypoventilation syndrome (OHS) is the development of pulmonary hypertension (PH). However, few studies have assessed PH in OHS patients. Therefore, we prospectively assessed the prevalence of PH in a large sample of OHS patients. METHODS: In this prospective observational study, all consecutive OHS patients referred to the sleep disorders clinic during the study period were included...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449240/bmp-signaling-in-pulmonary-hypertension-advances-and-therapeutic-implications
#2
Kai Yang, Jian Wang, Wenju Lu
Bone morphogenetic protein (BMP)-mediated signaling pathway plays critical roles in pulmonary hypertension (PH) development and progression. The typical BMP signaling mostly involve BMP ligands, specific transmembrane serine/threonine kinase receptors, cellular responsive kinases and secreted antagonists. As more and more studies have been conducted, the specific protective or pathogenic roles of these molecules within all these subgroups of BMP signaling have been continuously uncovered. Based on these evidences, specific strategies have been designed by targeting these factors as novel treatment approach against PH...
April 27, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28448402/left-atrium-measurements-via-computed-tomography-pulmonary-angiogram-as-a-predictor-of-diastolic-dysfunction
#3
Adam N Lick, Raman Danrad, David L Smith, Matthew R Lammi
PURPOSE: Left atrium (LA) enlargement on echocardiography may be an indicator of diastolic dysfunction (DD). It is not well known if computed tomography pulmonary angiography (CTPA) can detect DD. METHODS: A total of 127 patients who underwent both CTPA and echo within 48 hours were analyzed retrospectively. Left atrium diameters from CTPA were correlated with echo and evaluated against degrees of DD. Computed tomography pulmonary angiography pulmonary artery (PA)/aorta ratio was analyzed as a tool to detect pulmonary hypertension...
April 26, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28448184/erythropoietin-mediates-brain-vascular-kidney-crosstalk-and-may-be-a-treatment-target-for-pulmonary-and-resistant-essential-hypertension
#4
Emine Meltem Onal, Alan Alper Sag, Oguzhan Sal, Aslihan Yerlikaya, Baris Afsar, Mehmet Kanbay
Organ crosstalk pathways represent the next frontier for target-mining in molecular medicine for existing syndromes. Pulmonary hypertension and resistant essential hypertension are syndromes that have been proven elusive in etiology, and frequently refractory to first-line management. Underlying crosstalk mechanisms, not yet considered in these treatments, may hinder outcomes or unlock novel treatments. This review focuses systematically on erythropoietin, a synthesizable molecule, as a mediator of brain-kidney crosstalk...
2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28447910/chemical-and-biological-assessment-of-metal-organic-frameworks-mofs-in-pulmonary-cells-and-in-an-acute-in-vivo-model-relevance-to-pulmonary-arterial-hypertension-therapy
#5
Nura Adam Mohamed, Robert P Davies, Paul D Lickliss, Blerina Ahmetaj-Shala, Daniel M Reed, Hime H Gashaw, Hira Saleem, Gemma R Freeman, Peter M George, John Wort, Daniel Morales-Cano, Bianca Barreira, Teresa D Tetley, Adrian H Chester, Magdi Yacoub, Nicholas S Kirkby, Laura Moreno, Jane A Mitchell
No abstract text is available yet for this article.
January 1, 2017: Pulmonary Circulation
https://www.readbyqxmd.com/read/28447104/bmp-type-ii-receptor-as-a-therapeutic-target-in-pulmonary-arterial-hypertension
#6
REVIEW
Mar Orriols, Maria Catalina Gomez-Puerto, Peter Ten Dijke
Pulmonary arterial hypertension (PAH) is a chronic disease characterized by a progressive elevation in mean pulmonary arterial pressure. This occurs due to abnormal remodeling of small peripheral lung vasculature resulting in progressive occlusion of the artery lumen that eventually causes right heart failure and death. The most common cause of PAH is inactivating mutations in the gene encoding a bone morphogenetic protein type II receptor (BMPRII). Current therapeutic options for PAH are limited and focused mainly on reversal of pulmonary vasoconstriction and proliferation of vascular cells...
April 26, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28446163/exploratory-analysis-of-the-neutrophil-to-lymphocyte-ratio-in-patients-with-pulmonary-arterial-hypertension
#7
Lars Harbaum, Kaaja M Baaske, Marcel Simon, Tim Oqueka, Christoph Sinning, Antonia Glatzel, Nicole Lüneburg, Karsten Sydow, Carsten Bokemeyer, Hans Klose
BACKGROUND: Chronic inflammation emerges as a feature of the pathogenesis of pulmonary arterial hypertension (PAH) in experimental models. Alterations of circulating cell subsets have been observed in patients with PAH. We aimed to assess associations of the white blood cell count with disease severity and outcome in patients with PAH. METHODS: The total and differential white blood cell count was related to functional parameters, pulmonary hemodynamics and transplantation-free survival in 77 patients with PAH in an observational single center study...
April 26, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28442310/copd-osa-overlap-syndrome-evolving-evidence-regarding-epidemiology-clinical-consequences-and-management
#8
REVIEW
Walter T McNicholas
Chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea syndrome (OSA) are both highly prevalent, which implies that both disorders occurring together (overlap syndrome) is likely to be common based on chance association alone. However, different clinical COPD phenotypes influence the likelihood of co-existing OSA in that the increased lung volumes and low body mass index (BMI) associated with the predominant emphysema phenotype protects against OSA, whereas the higher likelihood of peripheral edema and increased BMI associated with the predominant chronic bronchitis phenotype promotes OSA...
April 22, 2017: Chest
https://www.readbyqxmd.com/read/28441853/-differentially-expressed-genes-analysis-in-expression-profile-data-of-pulmonary-fibrosis-with-pulmonary-hypertension
#9
R Miao, D Leng, Y Wang, J F Li, J N Gong, Y Liang, Y H Yang
Objective: To analyze the differential gene expression of patients with idiopathic pulmonary fibrosis and pulmonary hypertension (IPF-PH). Methods: The expression profile data of GSE15197 was downloaded from the Gene Expression Omnibus (GEO) database. Bonferroni algorithm was used to identify the differentially expressed genes of pulmonary tissues from IPF-PH, idiopathic pulmonary arterial hypertension (IPAH) and Normal groups. Principal component analysis was used to extract the principal components of three types of samples and differentially expressed genes were obtained...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28440731/express-pulmonary-venous-remodeling-in-chronic-obstructive-pulmonary-disease-and-idiopathic-pulmonary-arterial-hypertension
#10
Kasper H Andersen, Claus Bøgelund Andersen, Finn Gustafsson, Joern Carlsen
No abstract text is available yet for this article.
January 1, 2017: Pulmonary Circulation
https://www.readbyqxmd.com/read/28440730/express-inspiratory-capacity-is-not-altered-in-operable-chronic-thromboembolic-pulmonary-hypertension
#11
Manuel Jonas Richter, Henning Gall, Gesa Wittkaemper, Werner Seeger, Eckhard Mayer, Ardeschir Ghofrani, Stefan Guth, Frank Reichenberger
No abstract text is available yet for this article.
January 1, 2017: Pulmonary Circulation
https://www.readbyqxmd.com/read/28440535/socioeconomic-status-and-its-relationship-to-chronic-respiratory-disease
#12
Sonu Sahni, Ankoor Talwar, Sameer Khanijo, Arunabh Talwar
Socioeconomic status (SES) is defined as an individual's social or economic standing, and is a measure of an individual's or family's social or economic position or rank in a social group. It is a composite of several measures including income, education, occupation, location of residence or housing. Studies have found a lower SES has been linked to disproportionate access to health care in many diseases. There is emerging data in pulmonary diseases such as COPD, asthma, cystic fibrosis, pulmonary hypertension and other chronic respiratory conditions that allude to a similar observation noted in other chronic diseases...
2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/28440533/nationwide-trends-in-inpatient-admissions-of-pulmonary-hypertension-in-the-united-states-from-2000-to-2013
#13
Rutuja R Sikachi, Sonu Sahni, Dhruv Mehta, Abhishek Agarwal, Abhinav Agrawal
INTRODUCTION: Pulmonary hypertension (PH) is a disorder of the pulmonary vasculature with high mortality and bears a large economic burden on the healthcare system. We conducted a review of the largest inpatient database in the United States and analyzed the trends in hospitalizations due to PH from the turn of the century (2000) to 2013 to evaluate the rate of hospitalizations and determine the cost and mortality associated with PH. MATERIAL AND METHODS: We analyzed the National Inpatient Sample Database (NIS) for all patients in which PH (Primary or Secondary) or cor pulmonale was the primary discharge diagnosis (ICD-9: 416...
2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/28440519/-prevention-diagnosis-and-treatment-of-perioperative-complications-of-bariatric-and-metabolic-surgery
#14
Haifu Wu, Ming Zhong, Di Zhou, Chenye Shi, Heng Jiao, Wei Wu, Xinxia Chang, Jing Cang, Hua Bian
Surgical operation in treating obesity and type 2 diabetes is popularizing rapidly in China. Correct prevention and recognition of perioperation-related operative complications is the premise of ensuring surgical safety. Familiar complications of the operation include deep venous thrombosis, pulmonary artery embolism, anastomotic bleeding, anastomotic fistula and marginal ulcer. The prevention of deep venous thrombosis is better than treatment. The concrete measures contain physical prophylaxis (graduated compression stocking and intermittent pneumatic compression leg sleeves) and drug prophylaxis (unfractionated heparin and low molecular heparin), and the treatment is mainly thrombolysis or operative thrombectomy...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28439937/maternal-nutrient-restriction-during-pregnancy-and-lactation-leads-to-impaired-right-ventricular-function-in-young-adult-baboons
#15
Anderson H Kuo, Cun Li, Hillary F Huber, Matthias Schwab, Peter W Nathanielsz, Geoffrey D Clarke
Maternal nutrient restriction induces IUGR increasing later life chronic disease including cardiovascular dysfunction. Our left ventricular (LV) CMRI studies in IUGR baboons (8 M, 8 F, 5.7 years- human equivalent approximately 25 years), control offspring (8 M, 8 F, 5.6 years), and normal elderly (OLD) baboons (6 M, 6 F, mean 15.9 years) revealed long-term LV abnormalities in IUGR offspring. Although it is known that right ventricular (RV) function is dependent on LV health, the IUGR right ventricle (RV) remains poorly studied...
April 25, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28438566/t-type-voltage-gated-calcium-channels-are-involved-in-endothelium-dependent-relaxation-of-mice-pulmonary-artery
#16
Guillaume Gilbert, Arnaud Courtois, Mathilde Dubois, Laure-Anne Cussac, Thomas Ducret, Philippe Lory, Roger Marthan, Jean-Pierre Savineau, Jean-François Quignard
In pulmonary arterial endothelial cells, Ca(2+) channels and intracellular Ca(2+)concentration ([Ca(2+)]i) control the release of vasorelaxant factors such as nitric oxide and are involved in the regulation of pulmonary arterial blood pressure. The present study was undertaken to investigate the implication of T-type voltage-gated Ca(2+)channels (T-VGCCs, Cav3.1 channel) in the endothelium-dependent relaxation of intrapulmonary arteries. Relaxation was quantified by means of a myograph in wild type and Cav3...
April 21, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28437243/impact-of-pulmonary-hypertension-on-in-hospital-outcome-after-surgical-or-transcatheter-aortic-valve-replacement
#17
Anja Gutmann, Klaus Kaier, Holger Reinecke, Lutz Frankenstein, Andreas Zirlik, Wolfgang Bothe, Constantin von Zur Mühlen, Manfred Zehender, Jochen Reinöhl, Christoph Bode, Peter Stachon
AIMS: The impact of pulmonary hypertension (PH) on in-hospital outcome of either surgical (SAVR) or transcatheter aortic valve replacement (TAVR) was analyzed. METHODS AND RESULTS: Data from all 107,057 patients undergoing isolated SAVR or TAVR in Germany between 2007 and 2014 was provided by the German Federal Bureau of Statistics. About 18% of patients with aortic valve stenosis suffered from PH. Patients with PH had more co- morbidities with consequently increased EuroSCORE (TAVR without PH: 12...
April 25, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28433214/maturational-patterns-of-systolic-ventricular-deformation-mechanics-by-two-dimensional-speckle-tracking-echocardiography-in-preterm-infants-over-the-first-year-of-age
#18
Philip T Levy, Afif El-Khuffash, Meghna D Patel, Colm R Breatnach, Adam T James, Aura A Sanchez, Cristina Abuchabe, Sarah R Rogal, Mark R Holland, Patrick J McNamara, Amish Jain, Orla Franklin, Luc Mertens, Aaron Hamvas, Gautam K Singh
BACKGROUND: The aim of this study was to determine the maturational changes in systolic ventricular strain mechanics by two-dimensional speckle-tracking echocardiography in extremely preterm neonates from birth to 1 year of age and discern the impact of common cardiopulmonary abnormalities on the deformation measures. METHODS: In a prospective multicenter study of 239 extremely preterm infants (<29 weeks gestation at birth), left ventricular (LV) global longitudinal strain (GLS) and global longitudinal systolic strain rate (GLSRs), interventricular septal wall (IVS) GLS and GLSRs, right ventricular (RV) free wall longitudinal strain and strain rate, and segmental longitudinal strain in the RV free wall, LV free wall, and IVS were serially measured on days 1, 2, and 5 to 7, at 32 and 36 weeks postmenstrual age, and at 1 year corrected age (CA)...
April 19, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28431936/galectin-3-mediates-the-pulmonary-arterial-hypertension-induced-right-ventricular-remodeling-through-interacting-with-nadph-oxidase-4
#19
Jingni He, Xiaohui Li, Hui Luo, Tangzhiming Li, Lin Zhao, Qiangqiang Qi, Yuwei Liu, Zaixin Yu
Pulmonary arterial hypertension (PAH) is a progressive disorder that affects both pulmonary vasculature and the heart. The response of the right ventricle (RV) to the increased afterload is an important determinant of the PAH final outcome. Galectin-3 (Gal-3), a novel biomarker in left cardiac remodeling, takes part in multiple pathophysiological processes including the inflammation, fibrosis, immunity, and oxidative stress. The levels of Gal-3 are elevated in PAH patients, although the exact mechanisms underlie the PAH-induced right ventricular structural changes remain unclear...
March 27, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28431732/retrograde-pulmonary-embolectomy-for-acute-pulmonary-embolism-a-simplified-technique
#20
Syed T Hussain, John R Bartholomew, Marzia Leacche, Michael Zhen-Yu Tong
Surgical embolectomy in acute pulmonary embolism is usually reserved for patients with massive pulmonary embolism presenting with cardiogenic shock, or for whom thrombolysis is absolutely contraindicated or has failed. Incomplete removal of thrombotic material lodged in the distal pulmonary arterial bed is considered an important cause of persistent pulmonary hypertension. Retrograde pulmonary embolectomy is an adjunct to conventional pulmonary embolectomy, resulting in more complete embolectomy, specifically of material lodged in the distal pulmonary arterial bed...
May 2017: Annals of Thoracic Surgery
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