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Iloprost

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https://www.readbyqxmd.com/read/28323233/iloprost-use-in-patients-with-persistent-intestinal-ischemia-unsuitable-for-revascularization
#1
Alexandre Nuzzo, Damien Soudan, Lore Billiauws, Julie Bataille, Léon Maggiori, Maxime Ronot, Jeanick Stocco, Yoram Bouhnik, Yves Castier, Olivier Corcos
INTRODUCTION: Persistent or chronic intestinal ischemic injury (i3) can lead to severe malnutrition and acute mesenteric ischemia. Although recommended, revascularization of splanchnic arteries is sometimes unrealizable. MATERIAL AND METHODS: We report a case series of iloprost use in consecutive stable patients with persistent i3 unsuitable for revascularization followed in a tertiary care center. The feasibility of revascularization was discussed and ruled out by a multidisciplinary team, and informed consent was obtained prior to consideration of a vasoactive therapy...
March 16, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28306357/asthma-causes-inflammation-of-human-pulmonary-arteries-and-decreases-vasodilatation-induced-by-prostaglandin-i2-analogs
#2
Nabil Foudi, Aouatef Badi, Mounira Amrane, Wassim Hodroj
OBJECTIVE: Asthma is a chronic inflammatory disease associated with increased cardiovascular events. This study assesses the presence of inflammation and the vascular reactivity of pulmonary arteries in patients with acute asthma. METHODS: Rings of human pulmonary arteries obtained from non-asthmatic and asthmatic patients were set up in organ bath for vascular tone monitoring. Reactivity was induced by vasoconstrictor and vasodilator agents. Protein expression of inflammatory markers was detected by western blot...
February 21, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28303689/non-healing-ischaemic-digital-ulcer-in-a-systemic-sclerosis-patient-a-challenging-clinical-case
#3
Sophie Blaise, Matthieu Roustit, Alexandra Forli, Bernard Imbert, Jean-Luc Cracowski
Ischaemic digital ulcers (DUs) are an indicator of the severity of the microangiopathy in patients with systemic sclerosis (SSc). DUs are a frequent complication, affecting about 50% of patients with SSc, and are often recurrent. In cross-sectional studies involving patients with SSc, the frequency of ischaemic DUs was 12-16% with a major impact on hand function and quality of life. Effective therapy for DUs remains elusive. Intravenous iloprost has been demonstrated to have a positive effect on healing of active DUs...
March 16, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28289495/treatment-of-chronic-thromboembolic-pulmonary-hypertension-the-role-of-medical-therapy-and-balloon-pulmonary-angioplasty
#4
Timothy M Fernandes, David S Poch, William R Auger
Chronic thromboembolic pulmonary hypertension (CTEPH) is a potentially curable disease when treated with pulmonary thromboendarterectomy (PTE). However, even at experienced surgical centers, nearly one-third of patients with CTEPH will be deemed inoperable for reasons including distal disease, comorbidities, or out-of-proportion pulmonary hypertension. It is in these patients with inoperable CTEPH that pulmonary hypertension (PH)-targeted medical therapy and balloon pulmonary angioplasty have potential therapeutic value...
October 2016: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28218209/clinical-study-of-acute-vasoreactivity-testing-in-patients-with-chronic-thromboembolic-pulmonary-hypertension
#5
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...
February 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28190469/proanthocyanidins-from-vitis-vinifera-inhibit-oxidative-stress-induced-vascular-impairment-in-pulmonary-arteries-from-diabetic-rats
#6
Christian Pinna, Paolo Morazzoni, Angelo Sala
BACKGROUND: Vitis vinifera L. (grape seed extract) is a natural source of proanthocyanidins with antioxidant and free radical-scavenging activities. HYPOTHESIS: Grape seed extract supplementation may prevent vascular endothelium impairment associated with diabetes mellitus in rat pulmonary artery. STUDY DESIGN: We evaluated endothelial function of rat pulmonary artery ex-vivo at the intermediate stage (4 weeks) of streptozotocin (STZ)-induced diabetes mellitus...
February 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28153472/conservative-management-of-distal-leg-necrosis-in-lung-transplant-recipients
#7
F Aigner, M Husmann, L C Huber, C Benden, M M Schuurmans
Critical limb ischemia (CLI) with distal leg necrosis in lung transplant recipients (LTR) is associated with a high risk for systemic infection and sepsis. Optimal management of CLI has not been defined so far in LTR. In immunocompetent individuals with leg necrosis, surgical amputation would be indicated and standard care. We report on the outcome of four conservatively managed LTR with distal leg necrosis due to peripheral arterial disease (PAD) with medial calcification of the distal limb vessels. Time interval from lung transplantation to CLI ranged from four years (n = 1) to more than a decade (n = 3)...
January 28, 2017: Journal of Tissue Viability
https://www.readbyqxmd.com/read/28139409/investigation-of-asymmetric-and-symmetric-dimethylarginine-levels-after-iloprost-treatment-in-patients-with-buerger-s-disease
#8
S Senol, A Senol
OBJECTIVE: The aim of this study was to compare the levels of acetyl-dimethylarginine (ADMA), symmetric dimethylarginine (SDMA), and the l-arginine/ADMA ratio before and after iloprost treatment in patients with Buerger's disease. METHODS: Between January 2011 and December 2015, data from 44 patients (36 males, 8 females, mean age 48.7 ± 18.1 years) with the diagnosis of Fontaine Stage III-IV Buerger's disease were included. Iloprost infusion was administered intravenously through the forearm veins for 7 days at a dose of 0...
January 28, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28119496/treatment-of-pulmonary-arterial-hypertension-using-initial-combination-therapy-of-bosentan-and-iloprost
#9
Xinpeng Han, Yuhai Zhang, Liang Dong, Liying Fang, Yaqin Chai, Mengjie Niu, Yongping Yu, Lingli Liu, Xuemin Yang, Shuoyao Qu, Shengqing Li
BACKGROUND: Monotherapy and sequential combination therapy have been widely used in the treatment of pulmonary arterial hypertension (PAH). There is limited evidence for initial combination therapy in patients with PAH, particularly those with World Health Organization (WHO) functional class III or IV. METHODS: Twenty-seven consecutive treatment-naive PAH subjects with WHO functional class III or IV PAH were randomized into 3 groups with a 1:1:1 ratio: a combination therapy group with 125 mg of bosentan twice daily plus 10 μg of iloprost 4-6 times/d; a bosentan monotherapy group with 125 mg of bosentan twice daily; and a iloprost monotherapy group with 10 μg of iloprost 4-6 times/d...
January 24, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28102731/microfluidic-whole-blood-testing-of-platelet-response-to-pharmacological-agents
#10
Ruizhi Li, Tilo Grosser, Scott L Diamond
Platelets present a number of intracellular and transmembrane targets subject to pharmacological modulation, either for cardiovascular disease reduction or as an unintended drug response. Microfluidic devices allow human blood to clot on a defined surface under controlled hemodynamic and pharmacological conditions. The potencies of a number of antiplatelet and anticancer drugs have been tested with respect to platelet deposition on collagen under flow. Inhibitors of cyclooxygenase-1 (COX-1) reduce platelet deposition, either when added ex vivo to blood or ingested orally by patients prior to testing...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28060719/temporal-quantitative-phosphoproteomics-of-adp-stimulation-reveals-novel-central-nodes-in-platelet-activation-and-inhibition
#11
Florian Beck, Jörg Geiger, Stepan Gambaryan, Fiorella A Solari, Margherita Dell'Aica, Stefan Loroch, Nadine J Mattheij, Igor Mindukshev, Oliver Pötz, Kerstin Jurk, Julia M Burkhart, Christian Fufezan, Johan W M Heemskerk, Ulrich Walter, René P Zahedi, Albert Sickmann
Adenosine diphosphate (ADP) enhances platelet activation by virtually any other stimulant to complete aggregation. It binds specifically to the G-protein-coupled membrane receptors P2Y1 and P2Y12, stimulating intracellular signaling cascades, leading to integrin αIIbβ3 activation, a process antagonized by endothelial prostacyclin. P2Y12 inhibitors are among the most successful antiplatelet drugs, however, show remarkable variability in efficacy. We reasoned whether a more detailed molecular understanding of ADP-induced protein phosphorylation could identify (1) critical hubs in platelet signaling toward aggregation and (2) novel molecular targets for antiplatelet treatment strategies...
January 12, 2017: Blood
https://www.readbyqxmd.com/read/28051243/long-term-survival-of-patients-with-critical-limb-ischemia-treated-with-iloprost-response-rate-and-predictive-criteria-a-retrospective-analysis-of-102-patients
#12
E Melillo, E Lucaccini, R Berchiolli, D Adami, M Nuti, G Dell'Omo, A Farina, G Panigada, A T Roberts, S Meini
OBJECTIVE: Critical limb ischemia (CLI) patients have poor long-term prognosis. We showed that iloprost improves outcomes (major amputation and survival) up a 5-year follow-up, but it is not known if in this length of time the survival curves, of clinical responders and non-responders, differ. PATIENTS AND METHODS: A retrospective study enrolling 102 consecutive patients between 2004-2008, with clinical and instrumental (ultrasound, angiography, transcutaneous tensiometry of oxygen TcpO2 and carbon dioxide TcpCO2 in the affected and contralateral limbs) diagnosis of critical ischemia...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28018840/hand-impairment-in-systemic-sclerosis-various-manifestations-and-currently-available-treatment
#13
Amber Young, Rajaie Namas, Carole Dodge, Dinesh Khanna
Systemic sclerosis (SSc) is an autoimmune disease initially recognized by hand involvement due to characteristic Raynaud's phenomenon (RP), puffy hands, skin thickening, and contractures resembling claw deformities. SSc contributes to hand impairment through inflammatory arthritis, joint contractures, tendon friction rubs (TFRs), RP, digital ulcers (DU), puffy hands, skin sclerosis, acro-osteolysis, and calcinosis. These manifestations, which often co-exist, can contribute to difficulty with occupational activities and activities of daily living (ADL), which can result in impaired quality of life...
September 2016: Current Treatment Options in Rheumatology
https://www.readbyqxmd.com/read/27973680/prostaglandin-e2-potentiates-interferon-%C3%AE-induced-nitric-oxide-production-in-cultured-rat-microglia
#14
Takayuki Nagano, Ryo Nishiyama, Ayaka Sanada, Yukiko Mutaguchi, Anna Ioku, Hirohisa Umeki, Satoshi Kishimoto, Daisuke Yamanaka, Shinya H Kimura, Motohiko Takemura
Prostaglandin E2 (PGE2 ) plays crucial roles in managing microglial activation through the prostanoid EP2 receptor, a PGE2 receptor subtype. In this study, we report that PGE2 enhances interferon-γ (IFN-γ)-induced nitric oxide production in microglia. IFN-γ increased the release of nitrite, a metabolite of nitric oxide, which was augmented by PGE2 , although PGE2 by itself slightly affects nitrite release. The potentiating effect of PGE2 was positively associated with increased expression of inducible nitric oxide synthase...
December 14, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27973098/inhaled-iloprost-therapy-and-pulmonary-arterial-hypertension-experience-in-a-formulary-decision-study
#15
L Koh, L Lai
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27971557/cost-effectiveness-analysis-of-selexipag-versus-inhaled-iloprost-in-the-treatment-of-pulmonary-arterial-hypertension-pah-in-sweden
#16
J Wlodarczyk, E Hunsche, B Silberberg, D Kemp, B Anell, K Corcoran, R Minacori, M Stevenson, A Beaudet
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27926661/the-effect-of-intraoperative-and-6-h-postoperative-intravenous-administration-of-low-dose-prostacyclin-on-the-endothelium-hemostasis-and-hemodynamics-in-patients-undergoing-a-pancreaticoduodenoctemy-a-randomized-controlled-pilot-study
#17
Pär I Johansson, Christian R Mortensen, Tatiana Nielsen, Carsten Tollund, Jakob Stensballe, Carsten P Hansen, Hans J Frederiksen, Sisse R Ostrowski
BACKGROUND: Capillary leakage, secondary to endothelial breakdown, is common in patients undergoing major surgical procedures with extensive tissue injury and this is associated with increased morbidity and mortality. Prostacyclin has been ascribed cytoprotective properties together with its vasodilatory and antiplatelet effects. The present pilot study investigated the safety and endothelial protective effects of low-dose prostacyclin infusion. PATIENTS AND METHODS: A randomized placebo-controlled pilot study evaluating the effect of prostacyclin (iloprost) infusion (1...
April 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27919660/a-comparison-of-vasodilation-mode-among-selexipag-ns-304-2-4-5-6-diphenylpyrazin-2-yl-isopropyl-amino-butoxy-n-methylsulfonyl-acetamide-its-active-metabolite-mre-269-and-various-prostacyclin-receptor-agonists-in-rat-porcine-and-human-pulmonary-arteries
#18
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 3, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27796521/long-term-clinical-stabilization-of-scleroderma-patients-treated-with-a-chronic-and-intensive-iv-iloprost-regimen
#19
Rosario Foti, Elisa Visalli, Giorgio Amato, Alessia Benenati, Giovanni Converso, Alberto Farina, Salvatore Bellofiore, Massimiliano Mulè, Marcella Di Gangi
Intravenous iloprost is a first-line option for the treatment of scleroderma-related digital vasculopathy, and some studies have suggested its favourable role on disease progression. The aim of our study is to evaluate the disease progression, specifically in terms of cardiopulmonary function, in a group of consecutive patients chronically treated with intravenous iloprost. Our retrospective study enrolled 68 scleroderma patients (68 F, 54.4 ± 12.3 years) treated with iloprost for 7.1 ± 2.9 years, with a schedule of 5-6 consecutive daily infusions per month (6 h/day, 0...
February 2017: Rheumatology International
https://www.readbyqxmd.com/read/27785045/buerger-s-disease-providing-integrated-care
#20
REVIEW
Peter Klein-Weigel, Theresa Sophie Volz, Leonora Zange, Jutta Richter
Buerger's disease, also known as thromboangiitis obliterans (TAO), is a segmental inflammatory disease affecting small- and medium-sized vessels, which is strongly associated with tobacco use. Although the etiology is still unknown, recent studies suggest an immunopathogenesis. Diagnosis is based on clinical and angiomorphologic criteria, including age, history of smoking, clinical presentation with distal extremity ischemia, and the absence of other risk factors for atherosclerosis, autoimmune disease, hypercoagulable states, or embolic disease...
2016: Journal of Multidisciplinary Healthcare
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