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Pulmonary circulation

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https://www.readbyqxmd.com/read/28213604/efficacy-and-safety-of-super-selective-bronchial-artery-coil-embolisation-for-haemoptysis-a-single-centre-retrospective-observational-study
#1
Hideo Ishikawa, Masahiko Hara, Misaki Ryuge, Jun Takafuji, Mihoko Youmoto, Masanori Akira, Yukio Nagasaka, Daijiro Kabata, Kouji Yamamoto, Ayumi Shintani
OBJECTIVES: Evidence on the safety and long-term efficacy of super selective bronchial artery embolisation (ssBAE) using platinum coils in patients with haemoptysis is insufficient. The objective of the present study was to evaluate the safety and the 3-year postprocedure haemoptysis-free survival rate of de novo elective ssBAE using platinum coils rather than particles for the treatment of haemoptysis. DESIGN: A single-centre retrospective observational study. SETTING: Hemoptysis and Pulmonary Circulation Center in Japan...
February 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28213110/effect-of-chinese-herbal-medicine-on-stroke-patients-with-type-2-diabetes
#2
Fuu-Jen Tsai, Tsung-Jung Ho, Chi-Fung Cheng, Xiang Liu, Hsinyi Tsang, Ting-Hsu Lin, Chiu-Chu Liao, Shao-Mei Huang, Ju-Pi Li, Cheng-Wen Lin, Jaung-Geng Lin, Jung-Chun Lin, Chih-Chien Lin, Wen-Miin Liang, Ying-Ju Lin
ETHNOPHARMACOLOGICAL RELEVANCE: Complications of type 2 diabetes (T2D) include stroke, which is a cerebrovascular disturbance characterized by reduced blood flow in the brain, leading to death or physical disability. Chinese herbal medicine (CHM) has been widely used in ancient China for the treatment of diabetes and stroke by supplementing Qi and activating blood circulation. AIM OF THE STUDY: This study aimed to investigate the frequencies and patterns of CHM treatment for stroke patients with T2D and the outcomes of long-term use in Taiwan...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28210637/anomalous-origin-of-the-left-coronary-artery-from-the-pulmonary-artery-an-uncommon-coronary-anomaly-with-serious-implications-in-adulthood
#3
Venkat Gangadharan, Kamesh Sivagnanam, Ghulam Murtaza, Michael Ponders, Otto Teixeira, Timir Paul
A 36-year-old woman was seen with complaints of exertional chest pain and shortness of breath. Her medical history included atrial fibrillation and diabetes. Physical examination was unremarkable except for an irregular cardiac rhythm. Myocardial perfusion imaging revealed the presence of a large area of infarction involving the entire anterior and apical walls and part of the anteroseptal wall with minimal periinfarct ischemia. Computed tomography coronary angiogram revealed an anomalous left main coronary artery arising from the main pulmonary artery...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28209766/glycosylated-chromogranin-a-in-heart-failure-implications-for-processing-and-cardiomyocyte-calcium-homeostasis
#4
Anett Hellebø Ottesen, Cathrine R Carlson, William E Louch, Mai Britt Dahl, Ragnhild A Sandbu, Rune Forstrøm Johansen, Hilde Jarstadmarken, Magnar Bjørås, Arne Didrik Høiseth, Jon Brynildsen, Ivar Sjaastad, Mats Stridsberg, Torbjørn Omland, Geir Christensen, Helge Røsjø
BACKGROUND: Chromogranin A (CgA) levels have previously been found to predict mortality in heart failure (HF), but currently no information is available regarding CgA processing in HF and whether the CgA fragment catestatin (CST) may directly influence cardiomyocyte function. METHODS AND RESULTS: CgA processing was characterized in postinfarction HF mice and in patients with acute HF, and the functional role of CST was explored in experimental models. Myocardial biopsies from HF, but not sham-operated mice, demonstrated high molecular weight CgA bands...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28208970/isolated-hypoplasia-of-left-pulmonary-artery-with-agenesis-of-left-lobe-of-thyroid-a-case-report
#5
Mohammed Abdul Khadir, Ganesh Narayana, Ganavi Ramagopal, Pradeep G Nayar
Isolated Unilateral hypoplasia or agenesis of a branch of pulmonary artery is very rare. It is usually seen associated with congenital heart diseases such as tetralogy of Fallot, atrial septal defect, coarctation of the aorta, right aortic arch, truncus arteriosus, patent ductus arteriosus and pulmonary atresia. It occurs as a result of lack of embryological development of either the left or right sixth aortic arch and has been found to present itself with various clinical manifestations as during childhood it presents as contralateral pulmonary hypertension and in adults as haemoptysis...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208202/inferior-vena-cava-filters-when-to-place-and-when-to-remove
#6
John M Moriarty, Jonathan D Steinberger, Anshuman K Bansal
Pulmonary embolism (PE) is a common and feared result of deep vein thrombosis. While anticoagulation is the mainstay of management, interruption of flow of thrombus from leg veins to the pulmonary circulation is frequently desired either in lieu of or in addition to anticoagulation. Inferior vena cava filters have become frequently used to prevent PE despite a paucity of evidence for efficacy and increasing concerns about the long-term complications of indwelling filters.
February 2017: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28197762/mitochondrial-haplotypes-of-aelurostrongylus-abstrusus-and-troglostrongylus-brevior-nematoda-metastrongyloidea-from-domestic-and-wild-felids
#7
Donato Traversa, Fabrizia Veronesi, Anastasia Diakou, Raffaella Iorio, Giulia Simonato, Federica Marcer, Angela Di Cesare
The lungworm Aelurostrongylus abstrusus is the most important respiratory parasite of domestic cats. Pulmonary aelurostrongylosis has been reported in wild felids, though unequivocally evidence of wildlife infection by A. abstrusus is scant. Recently, Troglostrongylus brevior, a lungworm usually infecting wild felids, has been described in domestic cats from Mediterranean areas. The present work evaluates the sequence variation of an informative region within the gene encoding the mitochondrial cytochrome c oxidase subunit 1 of A...
February 14, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28197291/postoperative-right-ventricular-failure-in-cardiac-surgery
#8
REVIEW
Victor H Nieto Estrada, Daniel L Molano Franco, Albert A Valencia Moreno, Jose A Rojas Gambasica, Cristian C Cortes Nunez
Two cases of patients that developed right ventricular failure (RVF) after cardiac valve surgery are presented with a narrative revision of the literature. RVF involves a great challenge due to the severity of this condition; it has a low incidence among non-congenital cardiac surgery patients, is more likely associated with cardiovascular and pulmonary complications related to cardiopulmonary bypass (CPB), and is a cause of acute graft failure and of a higher early mortality in cardiac transplant. The morphologic and hemodynamic characteristics of the right ventricle and some specific factors that breed pulmonary hypertension after cardiac surgery are in favor of the onset of RVF...
December 2016: Cardiology Research
https://www.readbyqxmd.com/read/28194704/challenges-and-future-prospects-for-the-delivery-of-biologics-oral-mucosal-pulmonary-and-transdermal-routes
#9
Javier O Morales, Kristin R Fathe, Ashlee Brunaugh, Silvia Ferrati, Song Li, Miguel Montenegro-Nicolini, Zeynab Mousavikhamene, Jason T McConville, Mark R Prausnitz, Hugh D C Smyth
Biologic products are large molecules such as proteins, peptides, nucleic acids, etc., which have already produced many new drugs for clinical use in the last decades. Due to the inherent challenges faced by biologics after oral administration (e.g., acidic stomach pH, digestive enzymes, and limited permeation through the gastrointestinal tract), several alternative routes of administration have been investigated to enable sufficient drug absorption into systemic circulation. This review describes the buccal, sublingual, pulmonary, and transdermal routes of administration for biologics with relevant details of the respective barriers...
February 13, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28194472/right-ventricular-strain-as-predictor-of-pulmonary-complications-in-patients-with-femur-fracture
#10
Hyun-Jin Kim, Hyung-Bok Park, Yongsung Suh, Hyun-Sun Kim, Yoon-Hyeong Cho, Tae-Young Choi, Eui-Seok Hwang, Deok-Kyu Cho
BACKGROUND: Following femur fracture, medullary fat enters the systemic circulation and altered pulmonary haemodynamics may contribute to pulmonary complications. This study evaluated the association between right ventricular (RV) function and pulmonary complications in patients with femur fracture. METHODS: Patients with a femur fracture who had undergone pre-operative echocardiography that included RV peak global longitudinal strain (RV GLS) were evaluated retrospectively between March 2015 and February 2016...
February 1, 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/28193079/correlation-between-mmp-9-and-mmp-9-timps-complex-with-pulmonary-function-in-sulfur-mustard-exposed-civilians-sardasht-iran-cohort-study
#11
Sara Ghaffarpour, Tooba Ghazanfari, Sussan Kabudanian Ardestani, Shahryar Pourfarzam, Faramarz Fallahi, Jalaleddin Shams, Ensieh Sadat Mirsharif, Ali Mohammad Mohseni Majd, Soghrat Faghihzadeh
BACKGROUND: Matrix metalloproteinases (MMPs) are a family of proteinases and have the vigorous capacity to degrade all parts of the extracellular matrix. MMP enzymes strongly participate in physiological processes such as normal tissue remodeling and wound healing and in pathology of pulmonary diseases. They are released in response to environmental stimuli such as toxins and regulated by endogenous tissue inhibitors of metalloproteinases (TIMPs). Sulfur mustard (SM) is a chemical toxic which can cause severe permanent damages to lung tissues...
February 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/28191909/the-influence-of-chemotherapy-on-the-right-ventricle-did-we-forget-something
#12
REVIEW
Marijana Tadic, Cesare Cuspidi, Dagmara Hering, Lucia Venneri, Oleksandr Danylenko
BACKGROUND: A large number of chemotherapy-induced cardiovascular complications were discovered in studies over the last several decades. The focus of the majority of these studies was left ventricular (LV) remodeling. The aim of this article was to provide a comprehensive overview of potential mechanisms of chemotherapy-induced right ventricular (RV) remodeling and summarize clinical studies on this topic. HYPOTHESIS: Chemotherapy induces RV structural, functional, and mechanical changes...
February 13, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28187268/fibroblast-growth-factor-signaling-mediates-pulmonary-endothelial-glycocalyx-reconstitution
#13
Yimu Yang, Sarah M Haeger, Matthew A Suflita, Fuming Zhang, Kyrie L Dailey, James F Colbert, Joshay A Ford, Mario A Picon, Robert S Stearman, Lei Lin, Xinyue Liu, Xiaorui Han, Robert J Linhardt, Eric P Schmidt
RATIONALE: The endothelial glycocalyx is a heparan sulfate-rich endovascular structure critical to endothelial function. Accordingly, endothelial glycocalyx degradation during sepsis contributes to tissue edema and organ injury. OBJECTIVE: We determined the endogenous mechanisms governing pulmonary endothelial glycocalyx reconstitution, and if these reparative mechanisms are impaired during sepsis. METHODS: We performed intravital microscopy of wild-type and transgenic mice to determine the rapidity of pulmonary endothelial glycocalyx reconstitution after non-septic (heparinase-III-mediated) or septic (cecal ligation and puncture-mediated) endothelial glycocalyx degradation...
February 10, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28186686/combined-bone-marrow-derived-mesenchymal-stromal-cell-therapy-and-one-way-endobronchial-valve-placement-in-patients-with-pulmonary-emphysema-a-phase-i-clinical-trial
#14
Hugo Goulart de Oliveira, Fernanda Ferreira Cruz, Mariana Alves Antunes, Amarilio Vieira de Macedo Neto, Guilherme Augusto Oliveira, Fabio Munhoz Svartman, Tamara Borgonovo, Carmen Lucia Kuniyoshi Rebelatto, Daniel J Weiss, Paulo Roberto Slud Brofman, Marcelo Marcos Morales, José Roberto Lapa E Silva, Patricia Rieken Macedo Rocco
One-way endobronchial valves (EBV) insertion to reduce pulmonary air trapping has been used as therapy for chronic obstructive pulmonary disease (COPD) patients. However, local inflammation may result and can contribute to worsening of clinical status in these patients. We hypothesized that combined EBV insertion and intrabronchial administration of mesenchymal stromal cells (MSCs) would decrease the inflammatory process, thus mitigating EBV complications in severe COPD patients. This initial study sought to investigate the safety of this approach...
December 9, 2016: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28184197/therapeutic-efficacy-of-esomeprazole-in-cotton-smoke-induced-lung-injury-model
#15
Christina Nelson, Jameisha Lee, Kang Ko, Andrew G Sikora, Mark D Bonnen, Perenlei Enkhbaatar, Yohannes T Ghebre
Proton pump inhibitors (PPIs) are well-known antacid drugs developed to treat gastric disorders. Emerging studies demonstrate that PPIs possess biological activities that extend beyond inhibition of H(+)/K(+) ATPase (proton pumps) expressed in parietal cells of the stomach. Some of the extra-gastric activities of PPIs include modulation of epithelial, endothelial, and immune cell functions. Recently, we reported that PPIs suppress the expression of several proinflammatory and profibrotic molecules, as well as enhance antioxidant mechanisms in order to favorably regulate lung inflammation and fibrosis in an animal model of bleomycin-induced lung injury...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28169941/novel-index-to-quantify-the-risk-of-surgery-in-the-setting-of-adult-spinal-deformity-a-study-on-10-912-patients-from-the-nationwide-inpatient-sample
#16
Bassel G Diebo, Cyrus M Jalai, Vincent Challier, Bryan J Marascalchi, Samantha R Horn, Gregory W Poorman, Olivia J Bono, Denis Cherkalin, Nancy Worley, Jason Oh, Qais Naziri, Allison Spitzer, Kris Radcliff, Ashish Patel, Virginie Lafage, Carl B Paulino, Peter G Passias
STUDY DESIGN: Retrospective review of the Nationwide Inpatient Sample from 2001 to 2010, a prospectively collected national database. OBJECTIVE: Structure an index to quantify adult spinal deformity (ASD) surgical risk based on risk factors for medical complications, surgical complications, revisions (R), mortality (M) rates, and length of hospital stay. SUMMARY OF BACKGROUND DATA: Evidence supporting ASD surgery cost-effectiveness and anticipating surgical risk is critical to evaluate the risk/benefit balance of such treatment for patients...
February 6, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28164025/pulmonary-autograft-in-aortic-position-is-everything-known
#17
COMMENT
Francesco Nappi, Antonio Nenna, Cristiano Spadaccio, Massimo Chello
The Ross operation provides several advantages compared to other valve substitutes to manage aortic valve disease, such as growth potential, excellent hemodynamics, freedom from oral anticoagulation and hemolysis, and better durability. However, progressive dilatation of the pulmonary autografts after Ross operation reflects the inadequate remodeling of the native pulmonary root in the systemic circulation, which results in impaired adaptability to systemic pressure and risk of reoperation after the first decade...
January 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28163422/transcatheter-pulmonary-valve-perforation-using-chronic-total-occlusion-wire-in-pulmonary-atresia-with-intact-ventricular-septum
#18
Shweta Bakhru, Shilpa Marathe, Manish Saxena, Sudeep Verma, Rajan Saileela, Tapan K Dash, Nageswara Rao Koneti
BACKGROUND: Perforation of pulmonary valve using radiofrequency ablation in pulmonary atresia with intact ventricular septum (PA IVS) is a treatment of choice. However, significant cost of the equipment limits its utility, especially in the developing economies. OBJECTIVE: To assess the feasibility, safety, and efficacy of perforation of pulmonary valve using chronic total occlusion (CTO) wires in patients with PA IVS as an alternative to radiofrequency ablation...
January 2017: Annals of Pediatric Cardiology
https://www.readbyqxmd.com/read/28162139/clinical-application-of-three-dimensional-printing-to-the-management-of-complex-univentricular-hearts-with-abnormal-systemic-or-pulmonary-venous-drainage
#19
Eimear McGovern, Eoin Kelleher, Aisling Snow, Kevin Walsh, Bassem Gadallah, Shelby Kutty, John M Redmond, Colin J McMahon
In recent years, three-dimensional printing has demonstrated reliable reproducibility of several organs including hearts with complex congenital cardiac anomalies. This represents the next step in advanced image processing and can be used to plan surgical repair. In this study, we describe three children with complex univentricular hearts and abnormal systemic or pulmonary venous drainage, in whom three-dimensional printed models based on CT data assisted with preoperative planning. For two children, after group discussion and examination of the models, a decision was made not to proceed with surgery...
February 6, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28161666/cellular-internalization-and-transport-of-biodegradable-polyester-dendrimers-on-a-model-of-the-pulmonary-epithelium-and-their-formulation-in-pressurized-metered-dose-inhalers
#20
Rodrigo S Heyder, Qian Zhong, Reinaldo C Bazito, Sandro R P da Rocha
The purpose of this study was to evaluate the effect of generation and surface PEGylation of degradable polyester-based dendrimers nanocarriers on their interactions with an in vitro model of the pulmonary epithelium as well as to assess the ability to formulate such carriers in propellant-based, portable oral-inhalation devices to determine their potential for local and systemic delivery of drugs to and through the lungs. Hydroxyl (-OH) terminated polyester dendrimers of generation 3 and 4 (G3, and G4) were synthesized using a divergent approach...
February 1, 2017: International Journal of Pharmaceutics
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