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https://www.readbyqxmd.com/read/28087378/new-scaffolds-encapsulating-tgf-%C3%AE-3-bmp-7-combinations-driving-strong-chondrogenic-differentiation
#1
Jose Crecente-Campo, Erea Borrajo, Anxo Vidal, Marcos Garcia-Fuentes
The regeneration of articular cartilage remains an unresolved question despite the current access to a variety of tissue scaffolds activated with growth factors relevant to this application. Further advances might result from combining more than one of these factors; here, we propose a scaffold composition optimized for the dual delivery of BMP-7 and TGF-β3, two proteins with described chondrogenic activity. First, we tested in a mesenchymal stem cell micromass culture with TGF-β3 whether the exposure to microspheres loaded with BMP-7 would improve cartilage formation...
January 10, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28087311/-the-role-of-novel-oral-anticoagulants-in-patients-undergoing-cryoballoon-ablation-for-atrial-fibrillation
#2
Giannis Baltogiannis, Gian-Battista Chierchia, Giulio Conte, Juan Sieira, Giacomo Di Giovanni, Giuseppe Ciconte, Carlo de Asmundis, Yukio Saitoh, Kristel Wauters, Ghazala Irfan, Pedro Brugada
AIM: Peri-procedural thromboembolic (TE) and hemorrhagic events are complications of major concern for patients undergoing cryoballoon (CB) ablation for atrial fibrillation (AF). While peri-procedural anticoagulation management could decrease the incidence of these complications, data on CB ablation are scarce. The role of novel oral anticoagulants (NOACs) has not been thoroughly tested in this population. METHODS: In the present study, we sought to assess acute peri-procedural complications in patients undergoing CB ablation for AF under different anticoagulation regimens; anticoagulation administration was performed according to the CHA2DS2-VASc score guidelines...
November 16, 2016: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28087279/alpha-2-macroglobulin-and-heparin-cofactor-ii-and-the-vulnerability-of-carotid-atherosclerotic-plaques-an-itraq-based-analysis
#3
Jinmao Li, Xi Liu, Ying Xiang, Xueying Ding, Teng Wang, Ying Liu, Maojia Yin, Changhong Tan, Fen Deng, Lifen Chen
Rupture of carotid atherosclerotic plaque may cause stroke, while few biomarker in clinic can evaluate carotid plaque vulnerability. In this study, we divided the recruited participants into no plaque, stable plaque, and vulnerable plaque group according to carotid ultrasonography, and screened the differentially expressed proteins in plasma of these participants using isobaric tags for relative and absolute quantitation labeling coupled with liquid chromatography-tandem mass spectrometry. 28 proteins were identified differentially expressed, among which alpha-2-macroglobulin (α2M) and heparin cofactor II (HCII) were found to be at hub position in the interactions of these proteins by STRING analysis and were selected for enzyme-linked immunosorbent assay measurement to assess their relevance with carotid plaques vulnerability and diagnostic efficiency...
January 10, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28081351/the-effect-of-methylprednisolone-treatment-on-fibrinolysis-thecoagulation-system-and-blood-loss-in-cardiac-surgery
#4
Leila Ebrahimi, Maryam Kheirandish, Mahnoosh Foroughi
BACKGROUND/AIM: The purpose of this study was to examine steroid pretreatment in order to decrease postoperative coagulopathy disorders and bleeding. MATERIALS AND METHODS: In this randomized double-blinded study, the efficacy of low versus high doses of methylprednisolone on the coagulation system and postoperative bleeding was compared in patients who were undergoing cardiac surgery with cardiopulmonary bypass (CPB). The platelet response to agonists, D-dimer concentration, tissue plasminogen activator (tPA), plasminogen activator inhibitor (PAI-1) antigens, and platelet receptors CD42b, CD62P, and CD41a were evaluated...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28080905/plasma-protein-electrophoresis-and-select-acute-phase-proteins-in-healthy-bonnethead-sharks-sphyrna-tiburo-under-managed-care
#5
Michael W Hyatt, Cara L Field, Tonya M Clauss, Kristopher L Arheart, Carolyn Cray
Preventative health care of elasmobranchs is an important but understudied field of aquatic veterinary medicine. Evaluation of inflammation through the acute phase response is a valuable tool in health assessments. To better assess the health of bonnethead sharks ( Sphyrna tiburo ) under managed care, normal reference intervals of protein electrophoresis (EPH) and the acute phase proteins, C-reactive protein (CRP) and haptoglobin (HP), were established. Blood was collected from wild caught, captive raised bonnethead sharks housed at public aquaria...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28079879/the-cluspro-web-server-for-protein-protein-docking
#6
Dima Kozakov, David R Hall, Bing Xia, Kathryn A Porter, Dzmitry Padhorny, Christine Yueh, Dmitri Beglov, Sandor Vajda
The ClusPro server (https://cluspro.org) is a widely used tool for protein-protein docking. The server provides a simple home page for basic use, requiring only two files in Protein Data Bank (PDB) format. However, ClusPro also offers a number of advanced options to modify the search; these include the removal of unstructured protein regions, application of attraction or repulsion, accounting for pairwise distance restraints, construction of homo-multimers, consideration of small-angle X-ray scattering (SAXS) data, and location of heparin-binding sites...
February 2017: Nature Protocols
https://www.readbyqxmd.com/read/28079734/thoracic-epidural-anesthesia-and-prophylactic-three-times-daily-unfractionated-heparin-within-an-enhanced-recovery-after-surgery-pathway-for-colorectal-surgery
#7
Alexander B Stone, Michael C Grant, Brandyn D Lau, Deborah B Hobson, Michael B Streiff, Elliot R Haut, Christopher L Wu, Elizabeth C Wick
BACKGROUND AND OBJECTIVES: Venous thromboembolism (VTE) is a common cause of preventable harm. Perioperative thoracic epidural analgesia (TEA) presents a challenge to optimal VTE prophylaxis. Our primary aim was to characterize missed doses of VTE prophylaxis associated with epidural catheter placement and removal. Our secondary aim was to measure the effect of an enhanced recovery after surgery (ERAS) pathway on the rate of TEA-associated missed VTE prophylaxis. METHODS: We retrospectively reviewed a prospectively collected database of 1264 colorectal surgery patients at a single academic center...
January 9, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28079662/recognition-of-a-thoracic-epidural-hematoma-in-the-setting-of-transient-paralysis-a-case-report
#8
Beth VanderWielen, Lindsay Rubenstein, Marc Shnider, Cindy Ku, Jason Wakakuwa
A 71-year-old woman on aspirin presented for a distal pancreatectomy, splenectomy, and partial colectomy with a T8/9 epidural catheter placed preoperatively in 3 attempts. Prophylactic 5000 units of subcutaneous heparin were given before the procedure. After catheter removal on postoperative day 2, the patient developed transient bilateral lower extremity paralysis, with near complete recovery within 30 minutes. An urgent MRI revealed a T4-T8 epidural hematoma prompting an emergent T3-T8 laminectomy. This case presentation highlights the need for heightened awareness regarding complications related to neuraxial analgesia in patients receiving unfractionated heparin for thromboembolism prophylaxis with concurrent aspirin use...
January 11, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28079661/femoral-neuropathy-following-spontaneous-retroperitoneal-hemorrhage-after-cardiac-surgery-a-case-report
#9
Dinah J White, F T Lytle
A woman underwent ascending aortic aneurysm repair, aortic root and valve replacement, and coronary artery bypass grafting. Her postoperative course was complicated by stroke and status epilepticus. With supportive care and antiepileptics, her neurologic status improved. Intravenous heparin and aspirin were initiated. On postoperative day 13, she developed a large retroperitoneal hematoma with femoral neuropathy. Because her hematoma was not amenable to percutaneous drainage or surgical evacuation, and considering her comorbidities, a conservative approach was elected...
January 11, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28079594/impact-of-concurrent-medication-use-on-pancreatic-cancer-survival-seer-medicare-analysis
#10
Muhammad S Beg, Arjun Gupta, David Sher, Sadia Ali, Saad Khan, Ang Gao, Tyler Stewart, Chul Ahn, Jarett Berry, Eric M Mortensen
OBJECTIVES: Preclinical studies have suggested that non-antineoplastic medication use may impact pancreatic cancer biology. We examined the association of several medication classes on pancreatic cancer survival in a large medical claims database. MATERIALS AND METHODS: Histologically confirmed pancreatic adenocarcinoma diagnosed between 2006 and 2009 were analyzed from the Surveillance, Epidemiology, and End Results-Medicare database with available part D data...
January 10, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28078825/ethanol-combined-with-heparin-as-a-locking-solution-for-the-prevention-of-catheter-related-blood-stream-infections-in-hemodialysis-patients-a-prospective-randomized-study
#11
Sofia Sofroniadou, Ioanna Revela, Alexandros Kouloubinis, Ioanna Makriniotou, Sinodi Zerbala, Despina Smirloglou, Petros Kalocheretis, Apostolos Drouzas, George Samonis, Christos Iatrou
Introduction Ethanol lock solution has been mainly administered in paediatric and home parenteral nutrition patients in order to prevent catheter related blood stream infections (CRBSI). Its utility in hemodialysis (HD) patients with non-tunneled-uncuffed catheter (NTC) has been poorly explored. Methods We conducted a prospective randomized study in chronic HD patients requiring a newly inserted NTC-while awaiting for the maturation of an already established arteriovenous fistula (AVF) or arteriovenous graft (AVG) or tunneled-cuffed catheter insertion...
January 11, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28078351/outcomes-of-low-molecular-weight-heparin-treatment-for-venous-thromboembolism-in-patients-with-primary-and-metastatic-brain-tumours
#12
Chatree Chai-Adisaksopha, Lori-Ann Linkins, Said Y ALKindi, Matthew Cheah, Mark A Crowther, Alfonso Iorio
Venous thromboembolism (VTE) is one of the most common complications in patients with brain tumours. There is limited data available in the literature on VTE treatment in these patients. We conducted a matched retrospective cohort study of patients with primary or metastatic brain cancer who were diagnosed with cancer-associated VTE. Patients were selected after a retrospective chart review of consecutive patients who were diagnosed with cancer-associated VTE between January 2010 and January 2014 at the Juravinski Thrombosis Clinic, Hamilton, Canada...
January 12, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28077275/investigations-of-blood-ammonia-analysis-test-matrices-storage-and-stability
#13
Brittany N Goldstein, Jordan Wesler, Amy S Nowacki, Edmunds Reineks, Marvin R Natowicz
An assessment of blood ammonia concentration is common medical practice in the evaluation of an individual with an unexplained mental status change or coma. The determination of a blood ammonia level is most commonly done using a glutamate dehydrogenase (GLDH)-based assay, although there are many potential sources of artifact and the literature is inconsistent regarding key preanalytic issues. Using a GLDH-based assay, we first investigated matrix effects using three anticoagulants: heparin, EDTA and oxalate...
January 7, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28076408/development-of-a-novel-enzyme-linked-immunosorbent-assay-targeting-a-neo-epitope-generated-by-cathepsin-mediated-turnover-of-type-iii-collagen-and-its-application-in-chronic-obstructive-pulmonary-disease
#14
Daniel Guldager Kring Rasmussen, Jannie Marie Bülow Sand, Morten Asser Karsdal, Federica Genovese
A high level of extracellular matrix (ECM) turnover characterizes several lung diseases with fibrotic features. Type III collagen is one of the most abundant collagens in lung parenchyma, and cathepsins play a role in lung pathology, being responsible for tissue remodeling. In this study, we explore the diagnostic features of neo-epitope fragments of type III collagen generated by cathepsins that could reflect the pathological tissue turnover in patients with different diseases. A novel enzyme-linked immunosorbent assay (ELISA) measuring cathepsins B, L, S and K -generated type III collagen fragments (C3C) was developed for assessment in serum and plasma...
2017: PloS One
https://www.readbyqxmd.com/read/28076307/evaluation-of-the-greiner-bio-one-serum-separator-bca-fast-clot-tube
#15
Goce Dimeski, Julie Johnston, Paul P Masci, Kong-Nan Zhao, Nigel Brown
BACKGROUND: Current commercial tubes have difficulties in producing "true" serum from all blood samples even within the recommended clotting times. Hence, Becton Dickinson (BD) and now Greiner have produced tubes containing thrombin as the procoagulant to reduce the clotting time and increase the possibility of producing serum from anticoagulated blood samples. METHODS: The Greiner BCA Fast Clot (GBBCAFC) tube was evaluated in a hospital environment using 40 participants, (30 healthy and 10 undergoing renal dialysis) for 32 analytes against the Greiner lithium heparin tube and the BD Rapid Serum Tubes (BD RST) tube measured on Beckman DxC 800 and DxI 800 analyzers...
January 11, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28074815/effect-of-heparin-and-bivalirudin-on-the-kinetics-of-clot-formation-viscoelastic-coagulation-testing
#16
Suruchi Hasija, Poonam Malhotra Kapoor
No abstract text is available yet for this article.
January 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28074788/comparison-of-two-doses-of-heparin-on-outcome-in-off-pump-coronary-artery-bypass-surgery-patients-a-prospective-randomized-control-study
#17
Murali Chakravarthy, Dattatreya Prabhakumar, Patil Thimmannagowda, Jayaprakash Krishnamoorthy, Antony George, Vivek Jawali
INTRODUCTION: While off pump coronary artery bypass surgery is practiced with an intention to reduce the morbidity associated with cardiopulmonary bypass, the resultant 'hypercoagulability' needs to be addressed. Complications such as cavitary thrombus possibly due to the hyper coagulability after off pump coronary artery bypass surgery have been described. Many clinicians use higher doses of heparin - up to 5 mg/kg in order to thwart this fear. Overall, there appears to be no consensus on the dose of heparin in off pump coronary artery bypass surgeries...
January 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28073902/state-of-harmonization-of-24-serum-albumin-measurement-procedures-and-implications-for-medical-decisions
#18
Lorin M Bachmann, Min Yu, James C Boyd, David E Bruns, W Greg Miller
BACKGROUND: Measurements of serum and plasma albumin are widely used in medicine, including as indicators of quality of patient care in renal dialysis centers. METHODS: Pools were prepared from residual patient serum (n = 50) and heparin plasma (n = 48) from patients without renal disease, and serum from patients with kidney failure before hemodialysis (n = 53). Albumin was measured in all samples and in ERM-DA470k/IFCC reference material (RM) by 3 immunochemical, 9 bromcresol green (BCG), and 12 bromcresol purple (BCP) methods...
January 10, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28073874/successful-pregnancy-following-treatment-of-recurrent-chronic-histiocytic-intervillositis
#19
Leehe Vardi, Helen Paterson, Noelyn Anne Hung
Chronic histiocytic intervillositis (CHI) is a rare placental lesion associated with adverse obstetric outcomes and high recurrence rate. We report a case of six consecutive pregnancies in one woman, where CHI was detected following an intrauterine death in the fifth pregnancy, after being missed in four earlier losses. The successful sixth pregnancy was treated with a combination of immunosuppressive and antithrombotic agents. While low-molecular-weight heparin (LMWH) and aspirin had been shown to improve pregnancy outcome in recurrent pregnancy loss, there was limited evidence of improved outcome in CHI...
January 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28072822/point-of-care-versus-central-laboratory-measurements-of-hemoglobin-hematocrit-glucose-bicarbonate-and-electrolytes-a-prospective-observational-study-in-critically-ill-patients
#20
Jérôme Allardet-Servent, Melissa Lebsir, Christian Dubroca, Martine Fabrigoule, Sylvie Jordana, Thomas Signouret, Matthias Castanier, Guillemette Thomas, Rettinavelou Soundaravelou, Anne Lepidi, Laurence Delapierre, Guillaume Penaranda, Philippe Halfon, Jean-Marie Seghboyan
INTRODUCTION: Rapid detection of abnormal biological values using point-of-care (POC) testing allows clinicians to promptly initiate therapy; however, there are concerns regarding the reliability of POC measurements. We investigated the agreement between the latest generation blood gas analyzer and central laboratory measurements of electrolytes, bicarbonate, hemoglobin, hematocrit, and glucose. METHODS: 314 paired samples were collected prospectively from 51 critically ill patients...
2017: PloS One
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