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Chiaki Fuchikami, Kohji Murakami, Koyuki Tajima, Junko Homan, Keiji Kosugi, Kazuya Kuramoto, Michiko Oka, Keiichi Kuwano
Selexipag (NS-304; [2-{4-[(5,6-diphenylpyrazin-2-yl)(isopropyl)amino]butoxy}-N- (methylsulfonyl)acetamide]) is a novel, orally available non-prostanoid prostacyclin receptor (IP receptor) agonist that has recently been approved for the treatment of pulmonary arterial hypertension (PAH). We examined the effect of the active metabolite of selexipag, MRE-269, and IP receptor agonists that are currently available as PAH therapeutic drugs on the relaxation of rat, porcine and human pulmonary artery. cAMP formation in human pulmonary artery smooth muscle cells was induced by all test compounds (MRE-269, epoprostenol, iloprost, treprostinil and beraprost sodium) and suppressed by IP receptor antagonists (CAY10441 and 2-[4-(1H-indol-4-yloxymethyl)-benzyloxycarbonylamino]-3-phenyl-propionic acid)...
December 2, 2016: European Journal of Pharmacology
Nima Golzy, Stuti Fernandes, Justin Sharim, Rikin Tank, Henry D Tazelaar, Howard E Epstein, Victor Tapson, Antoine Hage
Pulmonary veno-occlusive disease (PVOD) is rare condition which can lead to severe pulmonary hypertension, right ventricular dysfunction, and cardiopulmonary failure. The diagnosis of PVOD can be challenging due to its nonspecific symptoms and its similarity to idiopathic pulmonary arterial hypertension and interstitial lung disease in terms of diagnostic findings. This case describes a 57 year old female patient who presented with a 5-month history of progressive dyspnea on exertion and nonproductive cough...
2017: Respiratory Medicine Case Reports
Miguel J Franquiz, Paul G Saleeb, Carl B Shanholtz, Jeffrey P Gonzales
PURPOSE: Pandemic influenza A pdm09 (pH1N1) virus was the predominant isolate identified during the 2009-10 and 2013-14 influenza outbreaks, causing significant morbidity and mortality. We describe clinical characteristics of critically ill patients during 2 pH1N1 outbreaks. METHODS: Single-center, retrospective cohort study of patients admitted to the intensive care unit receiving oseltamivir for suspected influenza during 2 outbreak periods. Demographics and comorbidities were collected from the medical record...
October 20, 2016: Journal of Critical Care
Rita Gayed, Michelle Aslami, Marina Rabinovich, Sandra Jacobs, Derrick George, Eric Honig
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
Natasha Lopez, Chloe Siu, Hsin Lin
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
Danielle Evans, Alexander Ulici, Andrew Tom, Natasha Lopez
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
Stephanie Davis, Jessica Crow, Katie Mattare, Roy Brower, Annette Rowden, Damon Duquaine, Aliaksei Pustavoitau, Glenn Whitman
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
Shinichiro Abe, Keiichi Ishida, Masahisa Masuda, Hideki Ueda, Hiroki Kohno, Kaoru Matsuura, Yusaku Tamura, Michiko Watanabe, Goro Matsumiya
OBJECTIVES: Pulmonary endarterectomy (PEA) is an effective treatment for chronic thromboembolic pulmonary hypertension (CTEPH), but postoperative residual hypertension leads to in-hospital mortality. Inhaled epoprostenol sodium (PGI2) and NO are administered for pulmonary hypertension after cardiothoracic surgery. This prospective study provides the first comparative evaluation of the effects of inhaled PGI2 and NO on pulmonary hemodynamics, systemic hemodynamics, and gas exchange in patients developing residual pulmonary hypertension after PEA...
October 25, 2016: General Thoracic and Cardiovascular Surgery
Laveena Munshi, Hayley B Gershengorn, Eddy Fan, Hannah Wunsch, Niall D Ferguson, Therese A Stukel, Gordon D Rubenfeld
RATIONALE: Adoption and de-adoption of adjuvant strategies to mechanical ventilation for acute respiratory failure (ARF), and factors associated with their selection, have not been extensively evaluated. OBJECTIVES: To evaluate change in use of adjuvants to mechanical ventilation for ARF (2008-2013), the impact of landmark publications on adoption and de-adoption, and factors associated with use. METHODS: Changes in use of four adjuvants for ARF from 2008-2013, the impact of landmark publications on use, and factors associated with use were evaluated using the Premier Database...
October 13, 2016: Annals of the American Thoracic Society
Susan R Wilcox, Michael Ries, Ted A Bouthiller, E Dean Berry, Travis L Dowdy, Sharon DeGrace
Critical care transport (CCT) teams are specialized transport services, comprised of highly trained paramedics, nurses, and occasionally respiratory therapists, offering an expanded scope of practice beyond advanced life support (ALS) emergency medical service teams. We report 4 cases of patients with severe acute respiratory distress syndrome from influenza in need of extracorporeal membrane oxygenation evaluation at a tertiary care center, transported by ground. Our medical center did not previously have a ground CCT service, and therefore, in these cases, a physician and/or a respiratory therapist was sent with the paramedic team...
September 13, 2016: Journal of Intensive Care Medicine
Michael Nyberg, Jon Egelund, Camilla M Mandrup, Mads B Nielsen, Alexander S Mogensen, Bente Stallknecht, Jens Bangsbo, Ylva Hellsten
The postmenopausal phase is associated with an accelerated rate of rise in the prevalence of vascular dysfunction and hypertension; however, the mechanisms underlying these adverse vascular changes and whether exercise training can reverse the decline in vascular function remains unclear. We examined the function of the vascular prostanoid system in matched pre- and postmenopausal women before and after 12 weeks of exercise training. Twenty premenopausal and 16 early postmenopausal (3.1±0.5 [mean±SE] years after final menstrual period) women only separated by 4 (50±0 versus 54±1) years of age were included...
October 2016: Hypertension
Kevin M Dube, Kristen L Ditch, Luanne Hills
Smoke inhalation injury (SIJ) is associated with an increase in morbidity and mortality in patients with burns. SIJ causes airway damage, inflammation, and bronchial obstruction, resulting in decreased oxygenation and perfusion status in these patients. Retrospective studies have compared the use of nebulized heparin (NH) plus nebulized N-acetylcysteine (NAC) and albuterol in patients with SIJ to those who received standard ventilator support with bronchodilator therapy. These studies are associated with a decrease in mortality when NH and nebulized NAC are administered to patients with SIJ...
August 16, 2016: Journal of Pharmacy Practice
Joseph E Cruz, Ashley Ward, Shannon Anthony, Susanna Chang, Hyun Billy Bae, Evelyn R Hermes-DeSantis
OBJECTIVE: To review the evidence for using intravenous (IV) epoprostenol to treat Raynaud's phenomenon (RP). DATA SOURCES: The databases MEDLINE (1946 to March 2016), PubMed, and International Pharmaceutical Abstracts were searched using the terms epoprostenol, Flolan, Raynaud's disease, and CREST syndrome. Further literature sources were identified by reviewing article citations. STUDY SELECTION AND DATA EXTRACTION: All English-language, clinical trials and case series evaluating IV epoprostenol for the management or treatment of RP were included...
July 26, 2016: Annals of Pharmacotherapy
Kenji Yasuda, Noriaki Minami, Yoko Yoshikawa, Takeshi Taketani, Seiji Fukuda, Seiji Yamaguchi
We report the case of an infant girl with incontinentia pigmenti (IP) complicated by fatal pulmonary arterial hypertension (PAH). She was diagnosed with IP, based on the presence of specific skin lesions, neonatal seizures, hypereosinophilia and a maternal family history of IP. At the age of 2 months, she was diagnosed with PAH on systolic heart murmur due to tricuspid valve regurgitation. Despite several treatments for PAH but not including epoprostenol, severe PAH persisted and she died of pulmonary hypertensive crisis at the age of 5 months...
May 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
Yilei Deng, Longshuan Zhao, Xu Lu
Ischemic-type biliary lesions (ITBL) are the most troublesome biliary complication after liver transplantation (LT) from non-heart-beating donors (NHBD) and frequently result in death or re-transplantation. In transplantation process, warm ischemia (WI) in the donor, cold ischemia and reperfusion injury in the recipient altogether inducing ischemia-reperfusion injury (IRI) is strongly associated with ITBL. This is a cascading injury process, involving in a complex series of inter-connecting events causing variety of cells activation and damage associated with the massive release of inflammatory cytokines and generation of reactive oxygen species (ROS)...
June 2016: Medical Hypotheses
Martina Nowak-Machen, Eckhard Schmid, Christian Schlensak, Crina Consferent, Helene A Haeberle, Peter Rosenberger, Harry Magunia, Jan N Hilberath
INTRODUCTION: Use of extracorporeal life support (ECLS) has significantly increased in critically ill patients refractory to medical management. ECLS requires systemic anticoagulation to avoid thromboembolic complications and superimposed coagulopathies are common. Transesophageal echocardiography (TEE) is frequently employed to assess cannula position and cardiac function during extracorporeal therapy. The goal of this study was to assess whether TEE probe insertion and removal in systemically anticoagulated ECLS patients was safe compared to patients without ECLS and normal coagulation studies...
April 28, 2016: Perfusion
Yoko Sato, Noriyuki Saeki, Takuma Asakura, Kazutetsu Aoshiba, Toru Kotani
PURPOSE: Biphasic cuirass ventilation (BCV) is a form of non-invasive extrathoracic positive and negative pressure mechanical ventilation. The present study was conducted to quantify our positive experience using BCV to dramatically improve gas exchange and cardiac function in patients with acute exacerbation of chronic respiratory failure and secondary pulmonary hypertension (PH). METHODS: BCV was applied for 2 weeks in 17 patients with PH caused by lung disease...
August 2016: Journal of Anesthesia
Naoto Tokunaga, Aiko Ogawa, Hiroshi Ito, Hiromi Matsubara
BACKGROUND: Intravenous epoprostenol is an effective treatment for idiopathic and heritable pulmonary arterial hypertension. We aimed to clarify factors that determine the survival of patients with severe pulmonary hypertension who received epoprostenol treatment. METHODS: This is a retrospective observational study consisting of 46 patients with idiopathic and heritable pulmonary arterial hypertension in World Health Organization (WHO) functional class III or IV and undergoing intravenous epoprostenol treatment...
March 18, 2016: Journal of Cardiology
Steven C Pugliese, Todd M Bull
The development of parenteral prostacyclin therapy marked a dramatic breakthrough in the treatment of pulmonary arterial hypertension (PAH). Intravenous (IV) epoprostenol was the first PAH specific therapy and to date, remains the only treatment to demonstrate a mortality benefit. Because of the inherent complexities and risks of treating patients with continuous infusion IV therapy, there is great interest in the development of an oral prostacyclin analog that could mimic the benefits of IV therapy. Herein, we highlight the development of oral prostacyclin therapy, focusing on oral treprostinil, the only US Food and Drug Administration approved oral prostacyclin...
2016: Integrated Blood Pressure Control
Guoliang Wang, Rui Fan, Ruirui Ji, Wenxin Zou, Daniel J Penny, Nidhy P Varghese, Yuxin Fan
BACKGROUND: Pulmonary arterial hypertension (PAH) is a rare, progressive, fatal vascular disorder. Genetic predisposition plays vital roles in the development of PAH, with most mutations being identified in genes involved in the transforming growth factor beta (TGF-β) signaling pathways. Defects in the BMP9 gene have been documented in hereditary hemorrhagic telangiectasia (HHT), the most common inherited vascular disorder, which is occasionally associated with PAH. Selective enhancement of endothelial BMPR2 with BMP9 reverses pulmonary arterial hypertension...
January 22, 2016: BMC Pulmonary Medicine
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