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pulmonary vascular disease

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https://www.readbyqxmd.com/read/28231667/-association-between-body-mass-index-and-both-total-and-cause-specific-mortality-in-china-findings-from-data-through-the-china-kadoorie-biobank
#1
L X Wang, M Y Fan, C Q Yu, Y Guo, Z Bian, Y L Tan, P Pei, J S Chen, J Lyu, L M Li
Objective: To evaluate the associations between body mass index (BMI) and both total and cause-specific mortality. Methods: After excluding participants with heart disease, stroke, cancer, chronic obstructive pulmonary disease, and diabetes at baseline study, 428 593 participants aged 30-79 in the China Kadoorie Biobank study were chosen for this study. Participants were categorized into 9 groups according to their BMI status. Cox regression analysis was used to estimate the hazard ratios (HRs) and 95% confidence intervals (CIs) of mortality on BMI...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28230738/clinical-implications-of-20-hydroxyeicosatetraenoic-acid-in-the-kidney-liver-lung-and-brain-an-emerging-therapeutic-target
#2
REVIEW
Osama H Elshenawy, Sherif M Shoieb, Anwar Mohamed, Ayman O S El-Kadi
Cytochrome P450-mediated metabolism of arachidonic acid (AA) is an important pathway for the formation of eicosanoids. The ω-hydroxylation of AA generates significant levels of 20-hydroxyeicosatetraenoic acid (20-HETE) in various tissues. In the current review, we discussed the role of 20-HETE in the kidney, liver, lung, and brain during physiological and pathophysiological states. Moreover, we discussed the role of 20-HETE in tumor formation, metabolic syndrome and diabetes. In the kidney, 20-HETE is involved in modulation of preglomerular vascular tone and tubular ion transport...
February 20, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/28226353/-comparison-of-complications-following-open-laparoscopic-and-robotic-gastrectomy
#3
Xin Lan, Hongqing Xi, Kecheng Zhang, Jianxin Cui, Mingsen Li, Lin Chen
OBJECTIVE: To compare clinically relevant postoperative complications after open, laparoscopic, and robotic gastrectomy for gastric cancer. METHODS: Clinical data of patients with gastric cancer who underwent gastrectomy between January 1, 2014 and October 1, 2016 at Chinese People's Liberation Army General Hospital were analyzed retrospectively. All the patients were diagnosed by upper endoscopy and confirmed by biopsy without distant metastasis. They were confirmed with R0 resection by postoperative pathology...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28225533/pulmonary-vascular-complications-of-liver-disease
#4
Erin S DeMartino, Michael J Krowka
No abstract text is available yet for this article.
February 20, 2017: International Anesthesiology Clinics
https://www.readbyqxmd.com/read/28223154/idiopathic-and-systemic-sclerosis-associated-pulmonary-arterial-hypertension-a-comparison-of-demographic-haemodynamic-and-magnetic-resonance-imaging-characteristics-and-outcomes
#5
Sheila Ramjug, Nehal Hussain, Judith Hurdman, Catherine Billings, Athanasios Charampopoulos, Charlie A Elliot, David G Kiely, Ian Sabroe, Smitha Rajaram, Andrew J Swift, Robin Condliffe
BACKGROUND: Previous studies have identified survival in systemic sclerosis (SSc)-associated pulmonary arterial hypertension (SSc-PAH) to be worse than in idiopathic pulmonary arterial hypertension (IPAH). We investigated differences between these conditions by comparing demographic, haemodynamic and radiological characteristics and outcomes in a large cohort of incident patients. METHODS: 651 patients diagnosed with IPAH or SSc-associated pre-capillary pulmonary hypertension were included...
February 18, 2017: Chest
https://www.readbyqxmd.com/read/28222991/perioperative-clopidogrel-is-associated-with-increased-bleeding-and-blood-transfusion-at-the-time-of-lower-extremity-bypass
#6
Douglas W Jones, Marc L Schermerhorn, Benjamin S Brooke, Mark F Conrad, Philip P Goodney, Mark C Wyers, David H Stone
OBJECTIVE: Controversy persists surrounding the perceived bleeding risk associated with perioperative clopidogrel use in patients undergoing lower extremity bypass (LEB). The purpose of this study was to examine the LEB bleeding risk and clinical sequelae associated with clopidogrel. METHODS: All LEBs in the Vascular Quality Initiative (VQI) from 2008 to 2014 were studied. The exposure was perioperative clopidogrel. Primary outcomes were blood transfusion, estimated blood loss ≥500 mL, and reoperation for bleeding...
February 17, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28222901/pharmacotherapy-in-smoking-cessation-corticotropin-releasing-factor-receptors-as-emerging-intervention-targets
#7
REVIEW
Ioannis Sotiriou, Kleanthi Chalkiadaki, Christos Nikolaidis, Kyriaki Sidiropoulou, Ekaterini Chatzaki
Smoking represents perhaps the single most important health risk factor and a global contributor to mortality that can unquestionably be prevented. Smoking is responsible for many diseases, including various types of cancer, chronic obstructive pulmonary disease, coronary heart disease, peripheral vascular disease and peptic ulcer, while it adversely affects fetal formation and development. Since smoking habit duration is a critical factor for mortality, the goal of treatment should be its timely cessation and relapse prevention...
February 14, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28221262/recent-advances-in-computed-tomographic-technology-cardiopulmonary-imaging-applications
#8
Azadeh Tabari, Roberto Lo Gullo, Venkatesh Murugan, Alexi Otrakji, Subba Digumarthy, Mannudeep Kalra
Cardiothoracic diseases result in substantial morbidity and mortality. Chest computed tomography (CT) has been an imaging modality of choice for assessing a host of chest diseases, and technologic advances have enabled the emergence of coronary CT angiography as a robust noninvasive test for cardiac imaging. Technologic developments in CT have also enabled the application of dual-energy CT scanning for assessing pulmonary vascular and neoplastic processes. Concerns over increasing radiation dose from CT scanning are being addressed with introduction of more dose-efficient wide-area detector arrays and iterative reconstruction techniques...
March 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28220848/elevated-expression-of-placental-growth-factor-is-associated-with-airway-wall-vascular-remodelling-and-thickening-in-smokers-with-asthma
#9
Dong Wu, Tianwen Lai, Yalian Yuan, Min Chen, Jun Xia, Wen Li, Guihai Pan, Binfan Yuan, Quanchao Lv, Yanyu Li, Dongmin Li, Bin Wu
The increased expression of placental growth factor (PlGF) in chronic obstructive pulmonary disease and allergy-related asthma suggests its role in the pathogenesis of these diseases. In asthmatic smokers, airway remodelling is accompanied by an accelerated decline in lung function. However, whether PlGF contributes to the persistent airflow obstruction and vascular remodelling typically seen in asthmatic smokers is unknown. In this study we measured lung function, airway-wall thickening, and PlGF levels in serum and induced sputum in 74 asthmatic and 42 healthy smokers and never-smokers...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28219595/comparison-of-post-liver-transplantation-outcomes-in-portopulmonary-hypertension-and-pulmonary-venous-hypertension-a-single-center-experience
#10
P Rajaram, A Parekh, M Fisher, J Kempker, R Subramanian
BACKGROUND: In potential liver transplant candidates, pulmonary vascular diseases, including portopulmonary hypertension (PoPH) and pulmonary venous hypertension (PVH), can be associated with high morbidity and mortality. Although there are clear guidelines regarding management and transplant listing criteria for patients with PoPH, the listing criteria for PVH are not well defined. OBJECTIVE: The aim of this study was to describe and compare the perioperative and postoperative morbidity and mortality associated with PoPH and PVH in patients undergoing liver transplantation...
March 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28218209/clinical-study-of-acute-vasoreactivity-testing-in-patients-with-chronic-thromboembolic-pulmonary-hypertension
#11
Qi-Xia Xu, Yuan-Hua Yang, Jie Geng, Zhen-Guo Zhai, Juan-Ni Gong, Ji-Feng Li, Xiao Tang, Chen Wang
BACKGROUND: The clinical significance of acute vasoreactivity testing (AVT) in patients with chronic thromboembolic pulmonary hypertension (CTEPH) remains unclear. We analyzed changes in hemodynamics and oxygenation dynamics indices after AVT in patients with CTEPH using patients with pulmonary arterial hypertension (PAH) as controls. METHODS: We analyzed retrospectively the results of AVT in 80 patients with PAH and 175 patients with CTEPH registered in the research database of Beijing Chao-Yang Hospital between October 2005 and August 2014...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28217605/a-rare-cause-of-misdiagnosis-in-chest-x-ray
#12
Carlos Manuel Ortiz-Mendoza
Chest X-ray is a usual tool for family physicians; however, unexpected findings in chest X-ray are a frequent challenge. We present a rare case of pulmonary hilar nodule misdiagnosis in a chest X-ray. An 84-year-old woman was sent with a diagnosis of a right pulmonary hilum nodule. She had a history of chronic obstructive pulmonary disease; so in a chest X-ray, her family physician discovered a "nodule" in her right lung hilum. Her physical exam was not relevant. In our hospital, a thoracic computed tomography (CT) scan verified the mass in the right pulmonary hilum; nevertheless, in a coronal CT scan, the "hilum lump" was the tortuous descending aorta that created an angle...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28216495/-clinical-value-of-adma-in-patients-with-pulmonary-arterial-hypertension-combination-with-congenital-heart-disease
#13
Pengfei Chen, Yiyuan Huang, Zhenfei Fang, Xinqun Hu, Xiangqian Shen, Shenghua Zhou
To study the concentration of the asymmetrical dimethyl-L-arginine (ADMA) in patients with pulmonary arterial hypertension (PAH) commbination with congenital heart disease (CHD) and its clinical value as a biomaker for diagnosis and prognosis.
 Methods: A total of 100 patients with CHD and 25 healthy adult subjects were recruited. CHD patients were divided into three groups: normal pulmonary arterial pressure group (group A, n=25), mild-to-moderate PAH group (group B, n=25), severe PAH group (group C, n=50)...
January 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28215423/chads2-score-predicts-postoperative-atrial-fibrillation-in-patients-undergoing-elective-pulmonary-lobectomy
#14
Svetlana Kotova, Mansen Wang, Katie Lothrop, Gary Grunkemeier, Heather E Merry, John R Handy
BACKGROUND: Postoperative atrial fibrillation (PAF) affects 12% to 17% of patients undergoing lobectomy and is associated with increased morbidity. CHADS2 (congestive heart failure history, hypertension history, age ≥75 years, diabetes mellitus history, and stroke or transient ischemic attack symptoms previously) is used to predict stroke risk in patients with existing AF. It also has been shown also to predict new-onset PAF. Our objective was to determine whether CHADS2 can predict PAF in patients undergoing lobectomy...
February 16, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28213377/interventional-treatment-of-pulmonary-embolism
#15
David M Dudzinski, Jay Giri, Kenneth Rosenfield
Pulmonary embolism (PE) is a serious and prevalent cause of vascular disease. Nevertheless, optimal treatment for many phenotypes of PE remains uncertain. Treating PE requires appropriate risk stratification as a first step. For the highest-risk PE, presenting as shock or arrest, emergent systemic thrombolysis or embolectomy is reasonable, while for low-risk PE, anticoagulation alone is often chosen. Normotensive patients with PE but with indicia of right heart dysfunction (by biomarkers or imaging) constitute an intermediate-risk group for whom there is controversy on therapeutic strategy...
February 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28212835/chest-computed-tomography-signs-in-pulmonary-disease-a-pictorial-review
#16
REVIEW
Shine Raju, Subha Ghosh, Atul C Mehta
Computed tomography (CT) of the chest is one of the most important imaging modalities available to a pulmonologist. The advent of high-resolution CT of the chest has led to its increasing use. While chest radiographs are still useful as an initial test, their utility is limited in the diagnosis of lung diseases which depend on higher resolution images such as interstitial lung diseases and pulmonary vascular diseases. Several metaphorical chest CT signs have been described linking abnormal imaging patterns to lung diseases...
February 14, 2017: Chest
https://www.readbyqxmd.com/read/28211168/the-medtronic-micro-vascular-plug%C3%A2-for-vascular-embolization-in-children-with-congenital-heart-diseases
#17
Shyam Sathanandam, Henri Justino, B Rush Waller, Srinath T Gowda, Wolfgang Radtke, Athar M Qureshi
OBJECTIVES: To describe the early multi-center, clinical experience with the Medtronic Micro Vascular Plug™ (MVP) in children with congenital heart disease (CHD) undergoing vascular embolization. BACKGROUND: The MVP is a large diameter vascular occlusion device that can be delivered through a microcatheter for embolization of abnormal blood vessels. METHODS: A retrospective review of embolization procedures using the MVP in children with CHD was performed in 3-centers...
February 16, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28209036/-primary-culture-and-functional-identification-of-distal-pulmonary-artery-smooth-muscle-cells-in-mice
#18
M C Li, Y Q Chen, C T Zhang, Q Jiang, W J Lu, J Wang
Objective: To establish a method of isolation and primary culture of mice distal pulmonary artery smooth muscle cells (PASMCs) and identify the functional properties. Methods: PASMCs were harvested from the distal pulmonary artery (PA) tissue of mice by enzymatic digestion of collagenaseⅠand papain; and the growth characteristics were observed under inverted microscope and identified by Immunofluorescence technique. Effects on the intracellular calcium ion concentration of distal PASMCs were detected by Fura-2-AM fluorescent probe tracer under a fluorescence microscope in Krebs solution containing clopiazonic acid (CPA) and nifedipin (Nif)...
February 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28207639/predictors-of-waitlist-mortality-in-portopulmonary-hypertension
#19
Hilary M DuBrock, David S Goldberg, Norman L Sussman, Sonja D Bartolome, Zakiyah Kadry, Reena J Salgia, David C Mulligan, Walter K Kremers, Steven M Kawut, Michael J Krowka, Richard N Channick
BACKGROUND: The current Organ Procurement Transplantation Network (OPTN) policy grants Model for End Stage Liver Disease (MELD) exception points to patients with portopulmonary hypertension (POPH), but potentially important factors, such as severity of liver disease and pulmonary hypertension, are not included in the exception score, and may affect survival. The purpose of this study was to identify significant predictors of waitlist mortality in patients with POPH. METHODS: We performed a retrospective cohort study of patients in the OPTN database with hemodynamics consistent with POPH [defined as mean pulmonary arterial pressure (mPAP) >25mmHg and pulmonary vascular resistance (PVR) ≥240 dynes-s-cm] who were approved for a POPH MELD exception between 2006 and 2014...
February 15, 2017: Transplantation
https://www.readbyqxmd.com/read/28203404/the-role-of-cyclooxygenase-2-in-the-protection-against-apoptosis-in-vascular-endothelial-cells-induced-by-cigarette-smoking
#20
Zhihui Shi, Yan Chen, Yanfang Pei, Yingjiao Long, Caihong Liu, Jun Cao, Ping Chen
BACKGROUND: Apoptosis has been demonstrated to be an important upstream event in the pathogenesis of chronic obstructive pulmonary disease (COPD). Cyclooxygenase-2 (COX-2) seems to be biologically relevant in COPD. However, the role of COX-2 in the apoptosis in vascular endothelial cells induced by cigarette smoke extract (CSE) remains to be elucidated. Our recent study found that the prostacyclin, one of the COX products in the microvascular endothelium, inhibited apoptosis in the emphysematous lungs of rats induced by CSE...
January 2017: Journal of Thoracic Disease
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