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Pulmonary hypertension treatment

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https://www.readbyqxmd.com/read/28430622/serious-adverse-events-of-cell-therapy-for-respiratory-diseases-a-systematic-review-and-meta-analysis
#1
REVIEW
Runzhen Zhao, Zhenlei Su, Jing Wu, Hong-Long Ji
BACKGROUND: Cell therapy holds the most promising for acute and chronic deleterious respiratory diseases. However, the safety and tolerance for lung disorders are controversy. METHODS: We undertook a systematic review and meta-analyses of all 23 clinical studies of cell therapy. The outcomes were odds ratio (OR), risk difference (RD), Peto OR, relative risk, and mean difference of serious adverse events. RESULTS: 342 systemic infusions and 57 bronchial instillations (204 recipients) of cells were analyzed for acute respiratory distress syndrome (ARDS), bronchopulmonary dysplasia, pulmonary arterial hypertension, silicosis, sarcoidosis, extensively drug-resistant tuberculosis, chronic obstructive pulmonary diseases (COPD), and idiopathic pulmonary fibrosis...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429083/intravenous-treprostinil-infusion-via-a-fully-implantable-pump-for-pulmonary-arterial-hypertension
#2
Ralf Ewert, Manuel J Richter, Regina Steringer-Mascherbauer, Ekkehard Grünig, Tobias J Lange, Christian F Opitz, Christian Warnke, Hossein-Ardeschir Ghofrani
OBJECTIVES: Parenteral prostanoids infused via external pumps are well-established pulmonary arterial hypertension (PAH) treatments. However, local side-effects and systemic infections restrict their use. The purpose of this study was to investigate the safety of a fully implantable treprostinil infusion pump (LENUS Pro(®)) in patients with PAH. METHODS: Thirty patients with PAH undergoing pump implantation (with stable PAH therapy for ≥3 weeks pre-implantation) were included in this prospective, multicenter, observational study (NCT01979822)...
April 20, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28425346/ambrisentan-a-review-of-its-use-in-pulmonary-arterial-hypertension
#3
Belinda N Rivera-Lebron, Michael G Risbano
Pulmonary arterial hypertension (PAH) is a progressive disease defined by an elevation in pulmonary arterial pressure that can lead to right heart failure and death. Ambrisentan is a selective endothelin receptor antagonist approved for the treatment of idiopathic, heritable PAH and connective tissue disease-associated PAH. Ambrisentan has been shown to improve exercise capacity and hemodynamics with an acceptable side-effect profile. It has also proven to be safely used in combination with other PAH-specific medications, especially with phosphodiesterase-5 inhibitors...
April 1, 2017: Therapeutic Advances in Respiratory Disease
https://www.readbyqxmd.com/read/28425226/a-review-of-pediatric-pulmonary-hypertension-with-new-guidelines
#4
Serdar Kula, Ayhan Pektaş
This study aims to review pediatric pulmonary hypertension (PH) by comparing the guidelines of the European Society of Cardiology (ESC)/European Respiratory Society (ERS), the American Heart Association (AHA)/American Thoracic Society (ATS), and the European Pediatric Pulmonary Vascular Disease Network (EPPVDN). All three sets of guidelines define PH as having a mean pulmonary artery pressure of ≥25 mmHg and accept the validity of the World Health Organization (WHO) classification system. Every child with a high index of suspicion for PH should undergo an initial work-up of chest X-rays, electrocardiography, and echocardiography...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28424250/unifying-mechanism-for-different-fibrotic-diseases
#5
Gerlinde Wernig, Shih-Yu Chen, Lu Cui, Camille Van Neste, Jonathan M Tsai, Neeraja Kambham, Hannes Vogel, Yaso Natkunam, D Gary Gilliland, Garry Nolan, Irving L Weissman
Fibrotic diseases are not well-understood. They represent a number of different diseases that are characterized by the development of severe organ fibrosis without any obvious cause, such as the devastating diseases idiopathic pulmonary fibrosis (IPF) and scleroderma. These diseases have a poor prognosis comparable with endstage cancer and are uncurable. Given the phenotypic differences, it was assumed that the different fibrotic diseases also have different pathomechanisms. Here, we demonstrate that many endstage fibrotic diseases, including IPF; scleroderma; myelofibrosis; kidney-, pancreas-, and heart-fibrosis; and nonalcoholic steatohepatosis converge in the activation of the AP1 transcription factor c-JUN in the pathologic fibroblasts...
April 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28424078/interleukin-6-displays-lung-anti-inflammatory-properties-and-exerts-protective-hemodynamic-effects-in-a-double-hit-murine-acute-lung-injury
#6
Guillaume Voiriot, Keyvan Razazi, Valérie Amsellem, Jeanne Tran Van Nhieu, Shariq Abid, Serge Adnot, Armand Mekontso Dessap, Bernard Maitre
BACKGROUND: Interleukin 6 (IL-6) is a predictive factor of poor prognosis in patients with acute respiratory distress syndrome (ARDS). However, its acute pulmonary hemodynamic effects and role in lung injury have not been investigated in a clinically relevant murine model of ARDS. METHODS: We used adult C57Bl6 wild-type (WT) and IL-6 knock-out (IL-6KO) mice. The animals received intravenous recombinant human IL-6 (rHuIL-6) or vehicle followed by intratracheal lipopolysaccharide (LPS) or saline before undergoing low tidal volume mechanical ventilation (MV) for 5 h...
April 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28422845/response-to-benzodiazepines-and-the-clinical-course-in-malignant-catatonia-associated-with-schizophrenia-a-case-report
#7
Kazutaka Ohi, Aki Kuwata, Takamitsu Shimada, Toshiki Yasuyama, Yusuke Nitta, Takashi Uehara, Yasuhiro Kawasaki
BACKGROUND: Malignant catatonia (MC) is a disorder consisting of catatonic symptoms, hyperthermia, autonomic instability, and altered mental status. Neuroleptic malignant syndrome (NMS) caused by antipsychotics is considered a variant of MC. Benzodiazepine (BZD) medications are safe and effective treatments providing rapid relief from MC. This case study reports a detailed clinical course of a case of MC associated with schizophrenia initially diagnosed as NMS that responded successfully to BZDs but not to dantrolene...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28420842/the-development-of-marked-collateral-circulation-due-to-inferior-vena-cava-filter-occlusion-in-a-patient-with-chronic-thromboembolic-pulmonary-hypertension-complicated-with-anti-phospholipid-syndrome
#8
Hajime Kasai, Nobuhiro Tanabe, Ken Koshikawa, Yasutaka Hirasawa, Toshihiko Sugiura, Seiichiro Sakao, Koichiro Tatsumi
A 30-year-old Japanese man was diagnosed with chronic thromboembolic pulmonary hypertension (CTEPH) with lupus anticoagulants (LAs) in 2003. He underwent pulmonary endarterectomy after the placement of an inferior vena cava filter (IVCF) in 2004, and treatment with warfarin was continued. In 2014, IVCF occlusion and marked collateral circulation were noted during an examination for transient dyspnea; however, his warfarin level was within the therapeutic range for 88.9% of the time from 2003 to 2014. We herein report a rare case of CTEPH and LAs with IVCF occlusion; in such cases, intense treatment may be required...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28420826/efficacy-and-safety-of-an-orally-administered-selective-prostacyclin-receptor-agonist-selexipag-in-japanese-patients-with-pulmonary-arterial-hypertension
#9
Nobuhiro Tanabe, Satoshi Ikeda, Nobuhiro Tahara, Keiichi Fukuda, Masaru Hatano, Hiroshi Ito, Tomotaka Nakayama, Toshihisa Anzai, Akiyoshi Hashimoto, Teruo Inoue, Kouji Kajinami, Yasuki Kihara, Hideyuki Kinoshita, Koichiro Kuwahara, Toyoaki Murohara, Osamu Okazaki, Satoshi Sakai, Toru Satoh, Yutaka Takeda, Yasuchika Takeishi, Mitsugu Taniguchi, Hiroshi Watanabe, Takeshi Yamamoto, Keiko Yamauchi-Takihara, Koichiro Yoshioka, Shigetake Sasayama
BACKGROUND: Selexipag is an orally available prostacyclin receptor (IP receptor) agonist with a non-prostanoid structure. In this open-label Phase II trial, the efficacy and safety of selexipag in Japanese patients with pulmonary arterial hypertension (PAH) is examined.Methods and Results:Selexipag was administered at 200 μg twice daily and titrated up to 1,600 μg by increments of 200 μg in 37 subjects to reach the individual maximum tolerated dose. At 16 weeks, in 33 patients comprising the per-protocol set, the pulmonary vascular resistance (PVR; primary endpoint) decreased from 683...
April 18, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28420371/effect-of-pulmonary-arteriovenous-malformations-on-the-mechanical-properties-of-the-lungs
#10
Cécile Rotenberg, Marcel Bonay, Mostafa El Hajjam, Sandra Blivet, Alain Beauchet, Pascal Lacombe, Thierry Chinet
BACKGROUND: Pulmonary arteriovenous malformations (PAVMs) are present in approximately 15-50% individuals with hereditary hemorrhagic telangiectasia (HHT). They may be isolated but more often are multiple. The goal of this study was to evaluate the influence of PAVMs on lung mechanical properties. METHODS: We reviewed the files of all adult patients (age ≥ 18 years) referred to our Center for evaluation of HHT between 2005 and 2013. The diagnosis of HHT was based on the Curacao criteria and/or the presence of a pathogenic mutation...
April 19, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28420300/epinephrine-induced-pulmonary-edema-during-hip-arthroscopy-a-report-of-two-cases-and-a-review-of-the-literature
#11
Nicole S Belkin, Ryan M Degen, Gregory A Liguori, Bryan T Kelly
OBJECTIVES: Hip arthroscopy utilization has significantly increased in recent years. While it is a relatively safe procedure, it is not without risk. Life-threatening complications, albeit rare, can potentially occur and must be appropriately recognized and treated. We describe 2 cases in which patients' undergoing hip arthroscopy developed pulmonary edema and their respective courses of treatment. METHODS: Both patients were being treated for symptomatic femoroacetabular impingement (FAI), with labral tears, requiring operative management after a failed trial of conservative management...
April 18, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28419866/o-aminobenzoyl-s-nitrosoglutathione-a-fluorogenic-cell-permeable-pseudo-substrate-for-s-nitrosoglutathione-reductase
#12
Bei Lei Sun, Lisa Palmer, Shagufta Rehman Alam, Itunuoluwa Adekoya, Kathleen Brown-Steinke, Ammasi Periasamy, Bulent Mutus
S-nitrosoglutathione reductase (GSNOR) is a multifunctional enzyme. It can catalyze NADH-dependent reduction of S-nitrosoglutathione (GSNO); as well as NAD(+)-dependent oxidation of hydroxymethylglutathione (HMGSH; an adduct formed by the spontaneous reaction between formaldehyde and glutathione). While initially recognized as the enzyme that is involved in formaldehyde detoxification, increasing amount of research evidence has shown that GSNOR also plays a significant role in nitric oxide mediated signaling through its modulation of protein S-nitrosothiol abundance via transnitrosation reactions with GSNO...
April 15, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28413991/potential-role-of-endothelin-in-early-vascular-aging
#13
Michelle Trindade, Wille Oigman, Mario Fritsch Neves
Early vascular aging is a process associated with gradual alterations in the vessels, regarding to their structure and function, taking a more rapid course than normal biological aging in the arteries. In the presence of cardiovascular disease, these age-associated alterations are accelerated, contributing for the appearance or the progression of cardiovascular disease, such as high blood pressure, dyslipidemia, smoking and diabetes. Endothelin-1 (ET-1) is the most abundant and important endothelin produced by vascular cells...
April 14, 2017: Current Hypertension Reviews
https://www.readbyqxmd.com/read/28413064/systemic-sclerosis
#14
REVIEW
Christopher P Denton, Dinesh Khanna
Systemic sclerosis, also called scleroderma, is an immune-mediated rheumatic disease that is characterised by fibrosis of the skin and internal organs and vasculopathy. Although systemic sclerosis is uncommon, it has a high morbidity and mortality. Improved understanding of systemic sclerosis has allowed better management of the disease, including improved classification and more systematic assessment and follow-up. Additionally, treatments for specific complications have emerged and a growing evidence base supports the use of immune suppression for the treatment of skin and lung fibrosis...
April 13, 2017: Lancet
https://www.readbyqxmd.com/read/28411254/safety-and-efficacy-of-romiplostim-in-splenectomized-and-nonsplenectomized-patients-with-primary-immune-thrombocytopenia
#15
Douglas B Cines, Jeffrey Wasser, Francesco Rodeghiero, Beng H Chong, Michael Steurer, Drew Provan, Roger Lyons, Jaime Garcia-Chavez, Nancy Carpenter, Xuena Wang, Melissa Eisen
Primary immune thrombocytopenia is an autoimmune disorder characterized by increased platelet destruction and insufficient platelet production without another identified underlying disorder. Splenectomy may alter responsiveness to treatment and/or increase the risk of thrombosis, infection, and pulmonary hypertension. This analysis evaluated the safety and efficacy of the thrombopoietin receptor agonist romiplostim in splenectomized and nonsplenectomized adults with primary immune thrombocytopenia. Data were pooled across 13 completed clinical studies in adults with immune thrombocytopenia from 2002-2014...
April 14, 2017: Haematologica
https://www.readbyqxmd.com/read/28411166/antiphospholipid-antibodies-can-identify-lupus-patients-at-risk-of-pulmonary-hypertension-a-systematic-review-and-meta-analysis
#16
REVIEW
Stéphane Zuily, Vinicius Domingues, Christine Suty-Selton, Valérie Eschwège, Laurent Bertoletti, Ari Chaouat, François Chabot, Véronique Regnault, Evelyn M Horn, Doruk Erkan, Denis Wahl
BACKGROUND: Pulmonary hypertension (PH) is a life-threatening condition that may affect outcomes in patients with systemic lupus erythematosus (SLE). The role of antiphospholipid antibodies (aPL) on the risk of PH is controversial. Therefore our objective was to estimate the risk of PH (WHO groups 1-5) including associated pulmonary arterial hypertension (APAH, WHO group 1 only) related to aPL in patients with SLE. METHODS: Systematic review and meta-analysis were performed: MEDLINE, EMBASE, Cochrane Library, congress abstracts, and reference lists of eligible studies were searched through 2015...
April 11, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28411107/pulmonary-hypertension-due-to-left-heart-disease
#17
REVIEW
Emmanuelle Berthelot, Minh Tam Bailly, Safwane El Hatimi, Ingrid Robard, Hatem Rezgui, Amir Bouchachi, David Montani, Olivier Sitbon, Denis Chemla, Patrick Assayag
Pulmonary hypertension due to left heart disease, also known as group 2 pulmonary hypertension according to the European Society of Cardiology/European Respiratory Society classification, is the most common cause of pulmonary hypertension. In patients with left heart disease, the development of pulmonary hypertension favours right heart dysfunction, which has a major impact on disease severity and outcome. Over the past few years, this condition has been considered more frequently. However, epidemiological studies of group 2 pulmonary hypertension are less exhaustive than studies of other causes of pulmonary hypertension...
April 11, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28411000/meconium-aspiration-or-respiratory-distress-associated-with%C3%A2-meconium-stained-amniotic-fluid
#18
REVIEW
Nestor E Vain, Daniel G Batton
The designation meconium aspiration syndrome (MAS) reflects a spectrum of disorders in infants born with meconium-stained amniotic fluid, ranging from mild tachypnea to severe respiratory distress and significant mortality. The frequency of MAS is highest among infants with post-term gestation, thick meconium, and birth asphyxia. Pulmonary hypertension is an important component in severe cases. Prenatal hypopharyngeal suctioning and postnatal endotracheal intubation and suctioning of vigorous infants are not effective...
April 11, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28410199/chronic-intratracheal-application-of-the-soluble-guanylyl-cyclase-stimulator-bay-41-8543-ameliorates-experimental-pulmonary-hypertension
#19
Matthieu Amirjanians, Bakytbek Egemnazarov, Akylbek Sydykov, Baktybek Kojonazarov, Ralf Brandes, Himal Luitel, Kabita Pradhan, Johannes-Peter Stasch, Gorden Redlich, Norbert Weissmann, Friedrich Grimminger, Werner Seeger, Hossein Ghofrani, Ralph Schermuly
Dysfunction of the NO/sGC/cGMP signaling pathway has been implicated in the pathogenesis of pulmonary hypertension (PH). Therefore, agents stimulating cGMP synthesis via sGC are important therapeutic options for treatment of PH patients. An unwanted effect of this novel class of drugs is their systemic hypotensive effect. We tested the hypothesis that aerosolized intra-tracheal delivery of the sGC stimulator BAY41-8543 could diminish its systemic vasodilating effect.Pharmacodynamics and -kinetics of BAY41-8543 after single intra-tracheal delivery was tested in healthy rats...
March 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28409034/increased-intracranial-pressure-during-hemodialysis-in-a-patient-with-anoxic-brain-injury
#20
Anton Lund, Mette B Damholt, Ditte G Strange, Jesper Kelsen, Hasse Møller-Sørensen, Kirsten Møller
Dialysis disequilibrium syndrome (DDS) is a serious neurological complication of hemodialysis, and patients with acute brain injury are at increased risk. We report a case of DDS leading to intracranial hypertension in a patient with anoxic brain injury and discuss the subsequent dialysis strategy. A 13-year-old girl was admitted after prolonged resuscitation from cardiac arrest. Computed tomography (CT) revealed an inferior vena cava aneurysm and multiple pulmonary emboli as the likely cause. An intracranial pressure (ICP) monitor was inserted, and, on day 3, continuous renal replacement therapy (CRRT) was initiated due to acute kidney injury, during which the patient developed severe intracranial hypertension...
2017: Case Reports in Critical Care
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