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https://www.readbyqxmd.com/read/28925715/novel-carbon-dots-derived-from-schizonepetae-herba-carbonisata-and-investigation-of-their-haemostatic-efficacy
#1
Meiling Zhang, Yan Zhao, Jinjun Cheng, Xiaoman Liu, Yongzhi Wang, Xin Yan, Yue Zhang, Fang Lu, Qingguo Wang, Huihua Qu
Schizonepetae Herba Carbonisata (SHC) has been used in traditional Chinese medicine (TCM) to treat haemorrhagic diseases for more than 1000 years. However, little information is available on its haemostatic components and mechanism. In this study, we developed novel water-soluble carbon dots (CDs) in aqueous extracts of SHC for the first time and a modified pyrolysis method was used to prepare the SHC using Schizonepetae Herba (SH) as the sole precursor. The SHC-CDs were characterized using transmission electron microscopy (TEM), high-resolution TEM (HRTEM), Fourier transform infrared (FT-IR), ultraviolet-visible (UV-Vis) and fluorescence spectroscopy, X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD) and high-performance liquid chromatography (HPLC)...
September 19, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28904675/von-willebrand-s-disease-case-report-and-review-of-literature
#2
Hanae Echahdi, Brahim El Hasbaoui, Mohamed El Khorassani, Aomar Agadr, Mohamed Khattab
Von Willebrand Disease (VWD) is the most common human inherited bleeding disorder due to a defect of Von Willebrand Factor (VWF), which a glycoprotein crucial for platelet adhesion to the subendothelium after vascular injury. VWD include quantitative defects of VWF, either partial (type 1 with VWF levels < 50 IU/dL) or virtually total (type 3 with undetectable VWF levels) and also qualitative defects of VWF (type 2 variants with discrepant antigenic and functional VWF levels). The most bleeding forms of VWD usually do not concern type 1 patients with the mildest VWF defects (VWF levels between 30 and 50IU/dL)...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28902830/-use-of-tachocomb-agent-in-cardiovascular-surgery
#3
I M Ignat'ev, S V Moiseev
The article contains a review of the literature concerning the use of the Tachocomb haemostatic sponge in cardiovascular surgery. This is followed by enumerating the pharmacological properties of the agent, mechanism of its action, and methods of application. Also shown herein is a high haemostatic effect of the sponge, exceeding that of other means of topical haemostasis. Both safety and a hypoallergenic nature make it possible to widely use Tachocomb in surgical practice.
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28900904/lonoctocog-alfa-a-review-in-haemophilia-a
#4
Zaina T Al-Salama, Lesley J Scott
Lonoctocog alfa (rVIII-SingleChain; Afstyla(®)) is a novel single-chain recombinant factor VIII (FVIII) molecule, with a truncated B-domain and the heavy and light chains covalently linked to form a stable and homogenous drug that binds with high affinity to von Willebrand factor (VWF). Intravenous lonoctocog alfa is approved for the prophylaxis and treatment of bleeding in patients with haemophilia A in several countries worldwide. In two pivotal, multicentre trials, lonoctocog alfa was effective in the treatment of bleeding episodes and as prophylaxis, including for perioperative management in adults, adolescents and children...
September 12, 2017: Drugs
https://www.readbyqxmd.com/read/28887640/clinical-and-instrumental-evaluation-of-two-different-regimens-of-tranexamic-acid-in-total-hip-arthroplasty-a-single-centre-prospective-randomized-study-with-80-patients
#5
Nicola Piolanti, Andrea Del Chiaro, Fabrizio Matassi, Angelo Graceffa, Lorenzo Nistri, Massimiliani Marcucci
PURPOSE: The use of tranexamic acid (TXA) in total hip arthroplasty (THA) can significantly reduce blood losses with many clinical and economical advantages. However, no consensus has been reached regarding the optimal regimen for TXA administration. The aim of this study is to analyse and compare the haemostatic effect of two different intravenous (IV) regimens of TXA. MATERIALS AND METHODS: We planned a single-centre, prospective, randomized study including 80 patients who underwent primary unilateral minimally invasive THA because of a hip osteoarthritic degeneration...
September 8, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28876687/outcomes-of-hilar-pedicle-control-using-suture-ligation-during-laparoscopic-splenectomy
#6
M Makgoka
BACKGROUND: Laparoscopic splenectomy is a well described gold standard procedure for various indications. One of the key steps during laparoscopic splenectomy is the hilar pedicle vessels control, which can be challenging in most cases. Most centres around the world recommend the use Ligaclib or endovascular staplers as Methods of choice for hilar pedicle control but the issue is the cost and efficiency of the laparoscopic haemostatic devices. METHOD: A descriptive retrospective study of patients who had laparoscopic splenectomy from 2013 to present...
June 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28874418/therapeutic-endoscopy-related-gi-bleeding-and-thromboembolic-events-in-patients-using-warfarin-or-direct-oral-anticoagulants-results-from-a-large-nationwide-database-analysis
#7
Naoyoshi Nagata, Hideo Yasunaga, Hiroki Matsui, Kiyohide Fushimi, Kazuhiro Watanabe, Junichi Akiyama, Naomi Uemura, Ryota Niikura
OBJECTIVE: To compare the risks of postendoscopy outcomes associated with warfarin with direct oral anticoagulants (DOACs), taking into account heparin bridging and various types of endoscopic procedures. DESIGN: Using the Japanese Diagnosis Procedure Combination database, we identified 16 977 patients who underwent 13 types of high-risk endoscopic procedures and took preoperative warfarin or DOACs from 2014 to 2015. One-to-one propensity score matching was performed to compare postendoscopy GI bleeding and thromboembolism between the warfarin and DOAC groups...
September 5, 2017: Gut
https://www.readbyqxmd.com/read/28868636/plasma-levels-of-haemostatic-factors-in-patients-with-pulmonary-embolism-on-admission-and-seven-months-later
#8
M Sane, M Granér, J A Laukkanen, V-P Harjola, P Mustonen
INTRODUCTION: With the exception of D-dimer, not much is known about the plasma levels of haemostatic factors during acute venous thromboembolism (VTE) compared to their basic levels in a stable phase. The goal of this study was to examine how plasma levels of factor V, VIII, XIIIa, von Willebrand factor antigen (vWF:Ag), fibrinogen, thrombomodulin evolve from the point of diagnosis of acute VTE to the end of standard treatment period. METHODS: Sixty-three consecutive patients (mean 57, range 18-86 years, 33 females) with acute pulmonary embolism (PE) were included...
September 4, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28868074/update-on-pharmacological-treatment-of-acute-coronary-syndrome-without-persistent-st-segment-elevation-myocardial-infarction-in-the-elderly
#9
REVIEW
Coşkun Usta, Aslı Bedel
The increase in cardiovascular disease prevalence with ageing has been attributed to several age-related changes such as changes in the vascular wall elasticity, the coagulation and haemostatic system and endothelial dysfunction, among other causes. There is a 50% increased mortality risk per 10-year increase in age starting at 65 years old. Here, we aimed to discuss pharmacological treatment in acute coronary syndrome (ACS) without persistent ST segment elevation myocardial infarction in the elderly. The main aim of ACS treatment in elderly people is at preventing ischemia, myocardial damage and complications...
July 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28866697/haematological-parameters-and-screening-tests-of-haemostasis-in-children-with-sepsis-results-from-a-tertiary-care-centre-in-india
#10
A Sharma, M Sikka, H Bhankar, S Gomber, S Sharma
Sepsis is a common cause of death in infants and children. Haemostatic abnormalities have been reported in such patients. There is scant information on the nature and frequency of these abnormalities in children especially from India. Our aim was to evaluate the nature and frequency of haematological and haemostatic abnormalities in children with sepsis. Fifty children between 1-10 years of age admitted with sepsis and 50 age-matched, healthy controls were included in the study. Complete blood counts, examination of stained peripheral blood film, prothrombin time (PT), activated partial thromboplastin time (APTT), plasma fibrinogen, C-reactive protein, liver function tests and serum creatinine were done in all patients and controls...
August 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28862180/red-cell-alloimmunization-role-of-advanced-immunohaematological-support-in-liver-transplantation
#11
Raj Nath Makroo, Soma Agrawal, Mohit Chowdhry, Aakanksha Bhatia, Uday Kumar Thakur
BACKGROUND & OBJECTIVES: Transfusion support forms an integral part of liver transplantation programme. Advanced immunohaematology services are required to deal with complex serological problems that can complicate transfusion therapy in these patients. Here, we report on red cell alloimmunization and presence of alloimmunization in donors and patients undergoing liver transplantation in a tertiary care hospital in north India. METHODS: Records of 1433 liver transplants performed from January 2009 to March 2015 were retrieved and reviewed...
April 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28853336/the-percutaneous-absorption-of-soman-in-a-damaged-skin-porcine-model-and-the-evaluation-of-woundstat%C3%A2-as-a-topical-decontaminant
#12
Christopher Dalton, Charlotte Hall, Helen Lydon, John Jenner, J Kevin Chipman, John S Graham, Robert P Chilcott
PURPOSE: The aim of this study was to evaluate a candidate haemostat (WoundStat™), down-selected from previous in vitro studies, for efficacy as a potential skin decontaminant against the chemical warfare agent pinacoyl methylfluorophosphonate (Soman, GD) using an in vivo pig model. MATERIALS AND METHODS: An area of approximately 3 cm(2) was dermatomed from the dorsal ear skin to a nominal depth of 100 µm. A discrete droplet of (14)C-GD (300 µg kg(-1)) was applied directly onto the surface of the damaged skin at the centre of the dosing site...
August 30, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28852294/a-spilt-head-study-of-efficacy-of-placebo-versus-platelet-rich-plasma-injections-in-the-treatment-of-androgenic-alopecia
#13
Dilip Kachhawa, Gauri Vats, Durgesh Sonare, Pankaj Rao, Sandeep Khuraiya, Rohit Kataiya
BACKGROUND: Platelet-rich plasma (PRP) is an autologous concentration of human platelets contained in a small volume of plasma with haemostatic and tissue repairing effects. Being enriched by various growth factors, PRP has become the focus of attention in numerous fields of medicine. Androgenic alopecia (AGA) is a common chronic hair loss disorder, characterised by progressive hair loss. Despite the therapeutic options available, there is low patient compliance and satisfaction rate...
April 2017: Journal of Cutaneous and Aesthetic Surgery
https://www.readbyqxmd.com/read/28844387/synthesis-and-biological-evaluation-of-a-new-series-of-cinnamic-acid-amide-derivatives-as-potent-haemostatic-agents-containing-a-2-aminothiazole-substructure
#14
Wenqian Nong, Anran Zhao, Jinrui Wei, Xiao Lin, Lisheng Wang, Cuiwu Lin
Ten new cinnamic acid derivatives containing a 2-aminothiazole substructure were designed and synthesized. This series of compounds exhibited good thermostabilities as demonstrated by thermogravimetric analysis. In coagulation assays (prothrombin time, activated partial thromboplastin time and thrombin time) in vitro, most compounds demonstrated excellent activities to promote blood coagulation. Among the studied series, compounds N1, N4, N5 and W5 exhibited a significant coagulation activity. Further studies indicated that compound N5 (IC50=1...
September 15, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28843665/balanced-haemostasis-with-both-hypo-and-hyper-coagulable-features-in-critically-ill-patients-with-acute-on-chronic-liver-failure
#15
Caleb Fisher, Vishal C Patel, Sidsel Hyldgaard Stoy, Arjuna Singanayagam, Jelle Adelmeijer, Julia Wendon, Debbie L Shawcross, Ton Lisman, William Bernal
BACKGROUND: Cirrhotic patients have complex haemostatic abnormalities. Current evidence suggests stable cirrhotic (SC) patients have a "re-balanced" haemostatic state. However, limited data exists in acute decompensated (AD) or acute on chronic liver failure (ACLF) patients. METHODS: We utilised thrombin generation analysis, fibrinolysis assessment, and evaluation of haemostatic parameters to assess haemostasis in liver disease of progressive severity. RESULTS: The study cohorts were comprised of: SC, n=8; AD n=44; ACLF, n=17; and Healthy Control (HC), n=35...
August 17, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28842680/small-rna-profiles-from-panax-notoginseng-roots-differing-in-sizes-reveal-correlation-between-mir156-abundances-and-root-biomass-levels
#16
Yun Zheng, Kun Chen, Zhenning Xu, Peiran Liao, Xiaotuo Zhang, Li Liu, Kangning Wei, Diqiu Liu, Yong-Fang Li, Ramanjulu Sunkar, Xiuming Cui
Plant genomes encode several classes of small regulatory RNAs (sRNAs) that play critical roles in both development and stress responses. Panax notoginseng (Burk.) F.H. Chen (P. notoginseng) is an important traditional Chinese herbal medicinal plant species for its haemostatic effects. Therefore, the root yield of P. notoginseng is a major economically important trait since the roots of P. notoginseng are the parts used to produce medicine. To identify sRNAs that are critical for the root biomass of P. notoginseng, we performed a comprehensive study of miRNA transcriptomes from P...
August 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28833808/pharmacokinetics-safety-and-efficacy-of-a-recombinant-factor-ix-product-trenonacog-alfa-in-previously-treated-haemophilia-b-patients
#17
P W Collins, D V K Quon, M Makris, P Chowdary, C L Kempton, S J Apte, M V Ramanan, C R M Hay, B Drobic, Y Hua, T J Babinchak, E D Gomperts
INTRODUCTION: Trenonacog alfa (IB1001) is a recombinant factor IX (rFIX) manufactured in Chinese hamster ovary (CHO) cells. IB1001 was evaluated in a multicentre clinical trial with haemophilia B patients. AIM: The aim was to establish IB1001 pharmacokinetic non-inferiority to comparator rFIX, safety and efficacy in previously treated patients (PTPs) with haemophilia B. METHODS: Subjects were severe or moderately severe haemophilia B adult and adolescent PTPs with no history of FIX inhibitors...
August 17, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28833656/the-in-vitro-antibacterial-activity-of-incomplete-iron-salt-of-polyacrylic-acid-against-pseudomonas-aeruginosa-meticillin-resistant-staphylococcus-pseudintermedius-and-meticillin-resistant-s-aureus
#18
Meghan K Solc, J Scott Weese, Edward Jazic
BACKGROUND: The incomplete iron salt of polyacrylic acid (IIS-PAA) has been used for its haemostatic, wound healing and antibacterial properties in human patients. IIS-PAA is a water-soluble, acidic, hydrophilic polymer that is active at pH 2.9-4.0. HYPOTHESES/OBJECTIVES: To evaluate the antibacterial effect of IIS-PAA against Pseudomonas aeruginosa, meticillin-resistant Staphylococcus pseudintermedius (MRSP) and meticillin-resistant S. aureus (MRSA). METHODS: This was a prospective, nonblinded in vitro study...
August 22, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28802634/individual-differences-in-heparin-sensitivity-and-their-effect-on-heparin-anticoagulation-during-arterial-vascular-surgery
#19
D Veerhoek, F Groepenhoff, M G J M van der Sluijs, J W B de Wever, J D Blankensteijn, A B A Vonk, C Boer, C F W Vermeulen
OBJECTIVES: To investigate whether a fixed heparin dose results in adequate heparinisation levels and consequent inhibition of haemostatic activation in all patients. METHODS: This prospective clinical pilot study included 24 patients undergoing arterial vascular surgery. Individual heparin responsiveness was assessed using the Heparin Dose Response (HDR) test, while the activated clotting time (ACT) and heparin concentration were measured to monitor the peri-procedural degree of anticoagulation...
August 9, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28800610/anticoagulant-action-of-low-physiologic-and-high-albumin-levels-in-whole-blood
#20
Margret Paar, Christine Rossmann, Christoph Nusshold, Thomas Wagner, Axel Schlagenhauf, Bettina Leschnik, Karl Oettl, Martin Koestenberger, Gerhard Cvirn, Seth Hallström
Albumin is the most abundant plasma protein. Critical illness is often associated with altered, predominately decreased, serum albumin levels. This hypoalbuminaemia is usually corrected by administration of exogenous albumin. This study aimed to track the concentration-dependent influence of albumin on blood coagulation in vitro. Whole blood (WB) samples from 25 volunteers were prepared to contain low (19.3 ± 7.7 g/L), physiological (45.2 ± 7.8 g/L), and high (67.5 ± 18.1 g/L) levels of albumin. Haemostatic profiling was performed using a platelet function analyzer (PFA) 200, impedance aggregometry, a Cone and Platelet analyzer (CPA), calibrated automated thrombogram, and thrombelastometry (TEM)...
2017: PloS One
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