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https://www.readbyqxmd.com/read/28919201/macitentan-for-the-treatment-of-inoperable-chronic-thromboembolic-pulmonary-hypertension-merit-1-results-from-the-multicentre-phase-2-randomised-double-blind-placebo-controlled-study
#1
Hossein-Ardeschir Ghofrani, Gérald Simonneau, Andrea M D'Armini, Peter Fedullo, Luke S Howard, Xavier Jaïs, David P Jenkins, Zhi-Cheng Jing, Michael M Madani, Nicolas Martin, Eckhard Mayer, Kelly Papadakis, Dominik Richard, Nick H Kim
BACKGROUND: Macitentan is beneficial for long-term treatment of pulmonary arterial hypertension. The microvasculopathy of chronic thromboembolic pulmonary hypertension (CTEPH) and pulmonary arterial hypertension are similar. METHODS: The phase 2, double-blind, randomised, placebo-controlled MERIT-1 trial assessed macitentan in 80 patients with CTEPH adjudicated as inoperable. Patients identified as WHO functional class II-IV with a pulmonary vascular resistance (PVR) of at least 400 dyn·s/cm(5) and a walk distance of 150-450 m in 6 min were randomly assigned (1:1), via an interactive voice/web response system, to receive oral macitentan (10 mg once a day) or placebo...
September 8, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28916127/open-thoracic-and-thoraco-abdominal-aortic-repair-in-patients-with-connective-tissue-disease
#2
Paula R Keschenau, Drosos Kotelis, Jeroen Bisschop, Mohammad E Barbati, Jochen Grommes, Barend Mees, Alexander Gombert, Arnoud G Peppelenbosch, Geert Willem H Schurink, Johannes Kalder, Michael J Jacobs
OBJECTIVE/BACKGROUND: The aim is to present current results of open complex aortic repair in patients with connective tissue disease (CTD). METHODS: This was a retrospective cross-border, single centre study. From February 2000 to April 2016 72 aortic operations were performed on 65 patients with CTD (41 male, median age 41 years [range 19-70 years]). Fifty-six patients (86%) underwent at least one previous aortic repair (71 open, four endovascular), including 33 patients (51%) operated before at the site of the procedure reported here...
September 12, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28916048/patency-of-common-carotid-artery-and-internal-jugular-vein-after-a-simple-vessel-sparing-cannulation-for-extracorporeal-membrane-oxygenation-support
#3
Mustafa Kurkluoglu, Sara Badia, Syed Murfad Peer, Richard Jonas, Venkat Shankar, Pranava Sinha
BACKGROUND: Common carotid artery and internal jugular vein are commonly cannulated for establishment of peripheral venoarterial extracorporeal membrane oxygenation (VA ECMO) support. We present our results of a vessel sparing cannulation technique for neck vessels, which helps maintain vessel patency after decannulation. METHODS: All patients who underwent ECMO, between January 2004 and January 2013 at a single center, were retrospectively reviewed. Follow up data for the patency of common carotid artery (CCA) and internal jugular vein (IJV) after decannulation were recorded...
August 8, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28912919/intravenous-carnitine-administration-in-addition-to-parenteral-nutrition-with-lipid-emulsion-may-decrease-the-inflammatory-reaction-in-postoperative-surgical-patients
#4
Yu Koyama, Kazuki Moro, Masato Nakano, Kohei Miura, Masayuki Nagahashi, Shin-Ichi Kosugi, Junko Tsuchida, Mayuko Ikarashi, Masato Nakajima, Hiroshi Ichikawa, Takaaki Hanyu, Yoshifumi Shimada, Jun Sakata, Hitoshi Kameyama, Takashi Kobayashi, Toshifumi Wakai
BACKGROUND: A prospective randomized study was performed to investigate the validity of intravenous carnitine administration during postoperative parenteral nutrition (PN) with lipid emulsion. METHODS: Patients undergoing surgery for gastric or colorectal cancer were enrolled in the study and were randomly divided into two groups (n = 8 in each group): 1) group L, who received a peripheral PN (PPN) solution of 7.5% glucose, 30% amino acid, and 20% lipid emulsion; and 2) group LC, who received the same PPN solution, as well as carnitine intravenously...
October 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28911066/prevention-of-chemotherapy-toxicity-by-agents-that-neutralize-or-degrade-cell-free-chromatin
#5
I Mittra, K Pal, N Pancholi, A Shaikh, B Rane, P Tidke, S Kirolikar, N K Khare, K Agrawal, H Nagare, N K Nair
Background: Toxicity associated with chemotherapy is a major therapeutic challenge and is caused by chemotherapy-induced DNA damage and inflammation. We have recently reported that cell-free chromatin (cfCh) fragments released from dying cells can readily enter into healthy cells of the body to integrate into their genomes and induce DNA double-strand breaks, apoptosis and inflammation in them. We hypothesized that much of the toxicity of chemotherapy might be due to release of large quantities of cfCh from dying cells that could trigger an exaggerated DNA damage, apoptotic and inflammatory response in healthy cells over and above that caused by the drugs themselves...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28910603/apolipoprotein-a-iv-constrains-hpa-and-behavioral-stress-responsivity-in-a-strain-dependent-manner
#6
Amy E B Packard, Jintao Zhang, Brent Myers, Chih-Wei Ko, Fei Wang, Patrick Tso, Yvonne M Ulrich-Lai
There is a critical gap in our knowledge of the mechanisms that govern interactions between daily life experiences (e.g., stress) and metabolic diseases, despite evidence that stress can have profound effects on cardiometabolic health. Apolipoprotein A-IV (apoA-IV) is a protein found in chylomicrons (lipoprotein particles that transport lipids throughout the body) where it participates in lipid handling and the regulation of peripheral metabolism. Moreover, apoA-IV is expressed in brain regions that regulate energy balance including the arcuate nucleus...
September 1, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28910426/optical-coherence-tomography-angiography-features-of-iris-racemose-hemangioma-in-4-cases
#7
Jason L Chien, Kareem Sioufi, Sandor Ferenczy, Emil Anthony T Say, Carol L Shields
Importance: Optical coherence tomography angiography (OCTA) allows visualization of iris racemose hemangioma course and its relation to the normal iris microvasculature. Objective: To describe OCTA features of iris racemose hemangioma. Design, Setting, and Participants: Descriptive, noncomparative case series at a tertiary referral center (Ocular Oncology Service of Wills Eye Hospital). Patients diagnosed with unilateral iris racemose hemangioma were included in the study...
September 14, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28910366/role-of-mitochondrial-dna-damage-and-dysfunction-in-veterans-with-gulf-war-illness
#8
Yang Chen, Joel N Meyer, Helene Z Hill, Gudrun Lange, Michael R Condon, Jacquelyn C Klein, Duncan Ndirangu, Michael J Falvo
Gulf War Illness (GWI) is a chronic multi-symptom illness not currently diagnosed by standard medical or laboratory test that affects 30% of veterans who served during the 1990-1991 Gulf War. The clinical presentation of GWI is comparable to that of patients with certain mitochondrial disorders-i.e., clinically heterogeneous multisystem symptoms. Therefore, we hypothesized that mitochondrial dysfunction may contribute to both the symptoms of GWI as well as its persistence over time. We recruited 21 cases of GWI (CDC and Kansas criteria) and 7 controls to participate in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28904997/development-of-inflammatory-bowel-disease-is-linked-to-a-longitudinal-restructuring-of-the-gut-metagenome-in-mice
#9
Thomas Sharpton, Svetlana Lyalina, Julie Luong, Joey Pham, Emily M Deal, Courtney Armour, Christopher Gaulke, Shomyseh Sanjabi, Katherine S Pollard
The gut microbiome is linked to inflammatory bowel disease (IBD) severity and altered in late-stage disease. However, it is unclear how gut microbial communities change over the course of IBD development, especially in regard to function. To investigate microbiome-mediated disease mechanisms and discover early biomarkers of IBD, we conducted a longitudinal metagenomic investigation in an established mouse model of IBD, where damped transforming growth factor β (TGF-β) signaling in T cells leads to peripheral immune activation, weight loss, and severe colitis...
September 2017: MSystems
https://www.readbyqxmd.com/read/28904828/usefulness-of-dural-surface-tracing-of-the-cortical-vessels-with-indocyanine-green-videoangiography-just-prior-to-dural-opening-for-various-cerebrovascular-diseases
#10
Naoki Otani, Kojiro Wada, Terushige Toyooka, Satoru Takeuchi, Arata Tomiyama, Kentaro Mori
BACKGROUND: Indocyanine green (ICG) videoangiography can be used to delineate the locations of the cortical vessels just prior to dural opening, allowing safe and optimal dural opening. The present clinical series demonstrates the adjunct use of ICG videoangiography to optimize dural opening for the treatment of various cerebrovascular diseases. METHODS: A total of 45 patients underwent surgery for superficial temporal artery-middle cerebral artery bypass (40), arteriovenous malformation (2), and dural arteriovenous fistula (3) between January 2012 and December 2016...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28903955/in-the-elderly-meat-protein-assimilation-from-rare-meat-is-lower-than-that-from-meat-that-is-well-done
#11
Caroline Buffière, Claire Gaudichon, Noureddine Hafnaoui, Carole Migné, Valérie Scislowsky, Nadezda Khodorova, Laurent Mosoni, Adeline Blot, Yves Boirie, Dominique Dardevet, Véronique Santé-Lhoutellier, Didier Rémond
Background: Meat cooking conditions in in vitro and in vivo models have been shown to influence the rate of protein digestion, which is known to affect postprandial protein metabolism in the elderly.Objectives: The present study was conducted to demonstrate the effect of cooking conditions on meat protein assimilation in the elderly. We used a single-meal protocol to assess the meat protein absorption rate and estimate postprandial meat protein utilization in elderly subjects.Design: The study recruited 10 elderly volunteers aged 70-82 y...
September 13, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28901186/recipient-adipose-derived-stem-cells-enhance-recipient-cell-engraftment-and-prolong-allotransplant-survival-in-a-miniature-swine-hind-limb-model
#12
Yur-Ren Kuo, Chien-Chang Chen, Yen-Chou Chen, Ching-Ming Chien
Donor mesenchymal stem cells (MSCs) could prolong vascularized composite allotransplantation (VCA) survival in our previous studies. However, recipient adipose tissue is easier to harvest than donor tissue for preconditioning modulation. Hence, this study investigated the efficacy of recipient autologous adipose-derived stem cells (rADSCs) for VCA survival. The heterotopic hind-limb transplantation from female donor to male recipient was performed in outbred miniature swine. Group I ( n = 6) was untreated controls...
August 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28900705/clinical-relevance-of-neurological-evaluation-in-patients-suffering-urinary-retention-in-the-absence-of-subvesical-obstruction
#13
N Schwertner-Tiepelmann, A Hagedorn-Wiesner, C Erschig, K Beilecke, F Schwab, R Tunn
PURPOSE: Clinical relevance of neurological evaluation in patients suffered urinary retention in the absence of subvesical obstruction. Determining whether (1) women complaining residual bladder volume without prolapse and obstruction always suffer pudendal nerve damage; (2) neurogenic damage can be linked to patients history/clinical examination; (3) therapy alters regarding to neurological findings; and (4) electromyography (EMG) of musculus sphincter ani externus (MSAE) can be omitted with electronically stimulated pudendal nerve latency (ESPL) as the standard investigation...
September 12, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28900504/platelet-targeted-delivery-of-peripheral-blood-mononuclear-cells-to-the-ischemic-heart-restores-cardiac-function-after-ischemia-reperfusion-injury
#14
Melanie Ziegler, Xiaowei Wang, Bock Lim, Ephraem Leitner, Franco Klingberg, Victoria Ching, Yu Yao, Dexing Huang, Xiao-Ming Gao, Helen Kiriazis, Xiao-Jun Du, Jody J Haigh, Alex Bobik, Christoph E Hagemeyer, Ingo Ahrens, Karlheinz Peter
One of the major hurdles in intravenous regenerative cell therapy is the low homing efficiency to the area where these cells are needed. To increase cell homing toward areas of myocardial damage, we developed a bispecific tandem single-chain antibody (Tand-scFvSca-1+GPIIb/IIIa) that binds with high affinity to activated platelets via the activated glycoprotein (GP)IIb/IIIa receptor, and to a subset of peripheral blood mononuclear cells (PBMC) which express the stem cell antigen-1 (Sca-1) receptor. Methods: The Tand-scFvSca-1+GPIIb/IIIa was engineered, characterized and tested in a mouse model of ischemia-reperfusion (IR) injury applying left coronary artery occlusion for 60 min...
2017: Theranostics
https://www.readbyqxmd.com/read/28900133/fcn1-m-ficolin-which-directly-associates-with-immunoglobulin-g1-is-a-molecular-target-of-intravenous-immunoglobulin-therapy-for-kawasaki-disease
#15
Daisuke Okuzaki, Kaori Ota, Shin-Ichi Takatsuki, Yukari Akiyoshi, Kazuyuki Naoi, Norikazu Yabuta, Tsutomu Saji, Hiroshi Nojima
Kawasaki disease (KD), an acute systemic vasculitis of early childhood, is of unknown etiology. High-dose intravenous immunoglobulin (IVIG) is an effective treatment, but its molecular target remains elusive. DNA microarray analysis of peripheral blood mononuclear cells (PBMCs) revealed that at least 21 genes are drastically down-regulated after IVIG treatment in most KD patients. qRT-PCR analysis confirmed that the mRNA levels of five of these genes were considerably reduced in almost all KD patients after IVIG treatment...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28895846/in%C3%A2-vivo-hematopoietic-stem-cell-transduction
#16
REVIEW
Maximilian Richter, Daniel Stone, Carol Miao, Olivier Humbert, Hans-Peter Kiem, Thalia Papayannopoulou, André Lieber
Current protocols for hematopoietic stem cell (HSC) gene therapy, involving the transplantation of ex vivo lentivirus vector-transduced HSCs into myeloablated recipients, are complex and not without risk for the patient. In vivo HSC gene therapy can be achieved by the direct modification of HSCs in the bone marrow after intraosseous injection of gene delivery vectors. A recently developed approach involves the mobilization of HSCs from the bone marrow into peripheral the blood circulation, intravenous vector injection, and re-engraftment of genetically modified HSCs in the bone marrow...
October 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/28893866/randomised-placebo-controlled-safety-and-tolerability-trial-of-fk506-tacrolimus-for-pulmonary-arterial-hypertension
#17
Edda Spiekerkoetter, Yon K Sung, Deepti Sudheendra, Valerie Scott, Patricia Del Rosario, Matthew Bill, Francois Haddad, Janel Long-Boyle, Haley Hedlin, Roham T Zamanian
Pulmonary arterial hypertension (PAH) is a devastating disease characterised by occlusive pulmonary vasculopathy. Activation of bone morphogenetic protein receptor 2 (BMPR2) signalling by FK506 (tacrolimus) reverses occlusive vasculopathy in rodent PAH models. Here, we determined the safety and tolerability of low-level FK506 therapy in stable PAH patients.We performed a randomised, double-blind, placebo-controlled, 16-week, single-centre, phase IIa trial in PAH patients with New York Heart Association functional class II/III symptoms using three FK506 target levels (<2, 2-3 and 3-5 ng·mL(-1))...
September 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28892587/chemical-modification-improves-biocompatibility-of-black-phosphorus-nanosheets
#18
Guangbo Qu, Wei Liu, Yuetao Zhao, Jie Gao, Tian Xia, Jianbo Shi, Ligang Hu, Wenhua Zhou, Jiejun Gao, Huaiyu Wang, Qian Luo, Qunfang Zhou, Sijin Liu, Xuefeng Yu, Guibin Jiang
Black phosphorus nanosheets (BPs) have exhibited great potential for various applications including biomedicine, thus their potential side effects and corresponding improvement strategy deserve investigation. Here, in vitro and in vivo biological effects of BPs with and without titanium sulfonate ligand (TiL4) modification are investigated. Comparing to bare BPs, BPs with TiL4 modification (TiL4@BPs) can efficiently escape from macrophages uptake, and reduce the cytotoxicity and proinflammation. When intravenously injected into mice, bare BPs trigger significant inflammatory responses, including an increase in peripheral neutrophils accompanied by elevation of a group of inflammatory cytokines, while TiL4@BPs exhibit no such adverse immune responses...
September 11, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28892086/allogeneic-stem-cell-transplantation-and-subsequent-treatments-as-a-comprehensive-strategy-for-long-term-survival-of-multiple-myeloma-patients
#19
V Montefusco, A Mussetti, F Rezzonico, F Maura, M Pennisi, C de Philippis, M Capecchi, P Corradini
We evaluated 71 patients treated with allogeneic hematopoietic cell transplantation (allo-HCT) for multiple myeloma (MM). Forty-three patients (61%) received allo-HCT after the first line of therapy. Fifty-eight patients (82%) had chemosensitive disease at the time of allo-HCT. A HLA-matched related or unrelated donor was available for 68 patients (96%). Non-myeloablative or reduced-intensity conditioning regimen and peripheral blood hematopoietic cells as a graft source were used in most patients. The cumulative incidence of grade II-IV acute GVHD at day +100 and chronic GVHD at 5 years was 13% (95% CI 7-23%) and 35% (95% CI 24-46), respectively...
September 11, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28889985/combined-intra-and-extra-articular-grafting-for-revision-acl-reconstruction-a-multicentre-study-by-the-french-arthroscopy-society-sfa
#20
M L Louis, P D'ingrado, F P Ehkirch, S Bertiaux, P Colombet, B Sonnery-Cottet, B Schlatterer, R Pailhé, J C Panisset, C Steltzlen, S Lustig, C Lutz, F Dalmay, P Imbert, D Saragaglia
BACKGROUND: A careful analysis of the reasons for ACL reconstruction failure is essential to selection of the optimal surgical revision technique designed to ensure good rotational stability and to minimise the risk of re-rupture. OBJECTIVE: To evaluate antero-lateral ligament (ALL) stabilisation during revision ACL reconstruction. HYPOTHESIS: ALL stabilisation during revision ACL reconstruction provides good rotational stabilitywithout increasing the risk of complications...
September 7, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
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