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https://www.readbyqxmd.com/read/28454186/distribution-and-clearance-of-blood-constituents-after-intracerebral-hemorrhage-in-rats-mechanisms-and-relevance-for-functional-outcomes
#1
Zhanyin Chen, Yuhang Liang, Fengjian Chen, Haifeng Lin, Yiyi Chen, Guolin He
Background and Objective To evaluate the impact of blood clearance mechanisms on neurologic damage and functional outcomes after intracerebral hemorrhage (ICH) in rats. Methods A rat model of ICH was established through pre-cannulation and injection of autologous arterial blood into the caudate nucleus. Blood was supplemented with 6-amino-caproic acid (a procoagulant), low-molecular-weight heparin (an anticoagulant), or vehicle. Relationships between hematoma volume and edema size and neurologic damage were assessed at different times...
April 28, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28446928/thromboelastographic-changes-during-laparoscopic-fundoplication
#2
Indre Zostautiene, Kristina Zvinienė, Darius Trepenaitis, Rolandas Gerbutavičius, Antanas Mickevičius, Rima Gerbutavičienė, Mindaugas Kiudelis
INTRODUCTION: Thromboelastography (TEG) is a technique that measures coagulation processes and surveys the properties of a viscoelastic blood clot, from its formation to lysis. AIM: To determine the possible hypercoagulability state and the effect of antithrombotic prophylaxis on thromboelastogram results and development of venous thrombosis during laparoscopic fundoplication. MATERIAL AND METHODS: The study was performed on 106 patients who were randomized into two groups...
2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/28440008/major-bleeding-risks-of-different-low-molecular-meight-heparin-agents-a-cohort-study-in-12-934-patients-treated-for-acute-venous-thrombosis
#3
N van Rein, J S Biedermann, F J M van der Meer, S C Cannegieter, N Wiersma, H W Vermaas, P H Reitsma, M J H A Kruip, W M Lijfering
BACKGROUND: Low-molecular-weight-heparins (LMWHs) are considered members of a class of drugs with similar anticoagulant properties. However, pharmacodynamics and pharmacokinetics between LMWHs differ, which may result in different bleeding risks. As these agents are used by many patients, small differences may lead to a large effect on numbers of major bleeding events. OBJECTIVES: To determine major bleeding risks for different LMWH agents and dosing schedules. METHODS: Cohort with acute venous thrombosis patients from four anticoagulation clinics who used a LMWH and a vitamin K antagonist...
April 25, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28438061/the-pattern-and-magnitude-of-invivo-thrombin-generation-differ-in-women-with-preeclampsia-and-in-those-with-sga-fetuses-without-preeclampsia
#4
Offer Erez, Roberto Romero, Edi Vaisbuch, Juan Pedro Kusanovic, Shali Mazaki-Tovi, Tinnakorn Chaiworapongsa, Francesca Gotsch, Pooja Mittal, Samuel S Edwin, Chia-Ling Nhan-Chang, Nandor Gabor Than, Chong Jai Kim, Sun Kwon Kim, Lami Yeo, Moshe Mazor, Sonia S Hassan
OBJECTIVE: We aimed to determine the differences in the pattern and magnitude of thrombin generation between patients with preeclampsia (PE) and those with SGA. METHODS: This cross-sectional study included women in the following groups: 1) normal pregnancy (NP) (n = 49); 2) PE (n = 56); and 3) SGA (n = 28). Maternal plasma thrombin generation (TGA) was measured, calculating: a) lag time (LT); b) velocity index (VI); c) peak thrombin concentration (PTC); d) time-to-peak thrombin concentration (TPTC); and e) endogenous thrombin potential (ETP)...
April 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28433174/corrigendum-to-production-of-a-low-molecular-weight-heparin-production-using-recombinant-glycuronidas-carbohydr-polym-134-2015-151-157
#5
Guowei Su, Linhong Li, Haichan Huang, Weihong Zhong, Ping Yu, Fuming Zhang, Robert J Linhardt
No abstract text is available yet for this article.
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28431451/-experience-with-the-hind-foot-relaxation-boot
#6
Hans Zwipp, Michael Borrmann, Eberhard Walter
The goal of this paper is to report our experience with hindfoot fractures using our specially developed boot, with a follow-up of 557 cases. This boot works like the well-known Allgöwer-Röck ortheses (ARO), but is a hybrid between a boot and an orthesis. It allows full weightbearing without using crutches and completely protects an acutely operated hind foot fracture, hind foot arthrodesis or a hind foot fracture which is suitable for conservative treatment. In its first generation, this boot was custom made and used in 408 cases, from March 1999 to February 2011...
April 21, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28431186/unfractionated-heparin-versus-low-molecular-weight-heparins-for-avoiding-heparin-induced-thrombocytopenia-in-postoperative-patients
#7
REVIEW
Daniela R Junqueira, Liliane M Zorzela, Edson Perini
BACKGROUND: Heparin-induced thrombocytopenia (HIT) is an adverse drug reaction presenting as a prothrombotic disorder related to antibody-mediated platelet activation. It is a paradoxical immune reaction resulting in thrombin generation in vivo, which leads to a hypercoagulable state and the potential to initiate venous or arterial thrombosis. A number of factors are thought to influence the incidence of HIT including the type and preparation of heparin (unfractionated heparin (UFH) or low molecular weight heparin (LMWH)) and the heparin-exposed patient population, with the postoperative patient population at higher risk...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28430367/effect-of-dalteparin-administration-on-thrombin-generation-kinetics-in-healthy-dogs
#8
Carolyn Gara-Boivin, Jérôme R E Del Castillo, Marilyn E Dunn, Christian Bédard
BACKGROUND: Dalteparin is used to prevent thrombotic complications in dogs. Measurement of anti-factor Xa (anti-FXa) activity is currently used for monitoring therapy, but remains a nonfunctional test. The calibrated automated thrombogram (CAT) could be a suitable approach for functional monitoring. OBJECTIVES: We hypothesized that the CAT will detect decreased endogenous thrombin potential (ETP) in healthy dogs receiving dalteparin. METHODS: Twenty-four healthy adult Beagles were randomly allocated to 4 equal groups...
April 21, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28426561/unfractionated-heparin-versus-low-molecular-weight-heparin-for-venous-thromboembolism-prophylaxis-in-trauma
#9
Benjamin N Jacobs, Anne H Cain-Nielsen, Jill L Jakubus, Judy N Mikhail, John J Fath, Scott E Regenbogen, Mark R Hemmila
BACKGROUND: Venous thromboembolism (VTE) is a common complication in trauma patients. Pharmacologic prophylaxis is utilized in trauma patients to reduce their risk of a VTE event. The Eastern Association for the Surgery of Trauma guidelines recommend use of low molecular weight heparin (LMWH) as the preferred agent in these patients. However, there is literature suggesting that unfractionated heparin (UFH) is an acceptable, and less costly, alternative VTE prophylaxis agent with equivalent efficacy in trauma patients...
April 20, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28425765/the-prevention-and-treatment-of-venous-thromboembolism-in-pregnancy
#10
Michela Villani, Walter Ageno, Elvira Grandone, Francesco Dentali
Venous thromboembolism (VTE) in pregnancy represents an important cause of maternal morbidity and mortality in developed countries, with an incidence of 0.5-2.2 per 1000 pregnancies. In addition to hemostatic changes occurring during normal pregnancy, several risk factors have been identified. Thus, a variety of clinical conditions as well as fetal and maternal risks linked to a possible anticoagulant therapy should be considered for the management of VTE during pregnancy. Unfortunately, there is a paucity of high-quality evidence from randomized trials in this field, and current recommendations are based on observational studies or evidence gathered from studies in the non-pregnant population...
May 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28423431/-treatment-and-secondary-prevention-of-venous-thromboembolism-change-in-oral-anticoagulation
#11
Thomas-Maria Helms, Dietrich Gulba, Ingo Ahrens, Andreas Schäfer, Johannes Hankowitz, Peter Kuhlencordt, Hans-Peter Lipp, Sigrid Nikol, Hanno Riess, Tom Stargardt, Peter Bramlage
With the recent approval of the fourth direct non vitamin K dependent oral anticoagulant (NOAC) edoxaban the range of available NOACs for the treatment of venous thromboembolism (VTE) has expanded. Shortly thereafter, two updated guidelines for the prevention and treatment of VTE have been published. In these NOACs are listed as equal anticoagulants to low-molecular weight heparin (LMWH), or fondaparinux (FDX), and VKA for the initial or maintenance treatment of VTE. All NOACs are approved for the maintenance therapy after VTE and two NOACs (rivaroxaban and apixaban) for the initial treatment in addition in an increased dose...
April 19, 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28419144/stepwise-inhibition-of-t-cell-recruitment-at-post-capillary-venules-by-orally-active-desulfated-heparins-in-inflammatory-arthritis
#12
Hasan Al Faruque, Jin Hee Kang, Seung Rim Hwang, Shijin Sung, Md Mahmudul Alam, Keum Hee Sa, Eon Jeong Nam, Young Ro Byun, Young Mo Kang
Identification of the structure-function relationship of heparin, particularly between 2-O-, 6-O-, and N-sulfation and its anticoagulant or anti-inflammatory activities, is critical in order to evaluate the biological effects of heparin, especially in conjunction with modifications for oral formulation. In this study, we demonstrated that removal of 2-O, 6-O, or N-desulfation and their hydrophobic modifications have differential effects on the blocking of interactions between sLeX and P-and L-selectins, with highest inhibition by 6-O desulfation, which was consistent with their in vivo therapeutic efficacies on CIA mice...
2017: PloS One
https://www.readbyqxmd.com/read/28418370/-current-study-aimed-to-highlight-extent-of-clot-resolution-in-deep-veins-and-its-association-with-anticoagulation-pattern-in-vte-patients
#13
E A Shcheglov, N N Alontzeva
MATERIAL AND METHODS: Data of 70 patients with acute VTE of lower extremities (iliofemoral level) was analyzed. There were 42 patients in the study group which were treated with rivaroxaban (15 mg BID for 21 days, 20 mg od from day 22); 28 patients were in control group treated with conventional therapy (LMWH/VKA). Extent of clot resolution was assessed on ultrasound. Data was collected at a day of VTE diagnosis and further at 1, 3, 6 month. RESULTS: The results of the study demonstrated, that patients treated with rivaroxaban had earlier recanalization and extent of clot resolution was higher than in patients treated with conventional therapy...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28416213/a-prospective-study-of-rivaroxaban-for-central-venous-catheter-associated-upper-extremity-deep-vein-thrombosis-in-cancer-patients-catheter-2
#14
G A Davies, A Lazo-Langner, E Gandara, M Rodger, V Tagalakis, M Louzada, R Corpuz, M J Kovacs
INTRODUCTION: Patients with cancer are at increased risk of thrombosis, particularly those with central venous catheter (CVC) placement, which may predispose to the development of upper extremity deep vein thrombosis (UEDVT). Standard treatment includes low molecular weight heparin (LMWH) or LMWH bridged to warfarin. The direct oral anticoagulants (DOACs) have become standard of care for uncomplicated venous thromboembolism (VTE), but research in patients with cancer is ongoing. OBJECTIVES: To assess rivaroxaban monotherapy in patients with cancer who develop UEDVT due to CVC for preservation of line function, and safety outcomes of VTE recurrence, bleeding risk and death...
April 6, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28414682/a-left-main-coronary-artery-thrombus-presenting-as-a-non-st-elevation-mi
#15
U Ezema, D Daberkow, T Delord, L Guidry, N R Sells
INTRODUCTION: Left main coronary artery (LMCA); thrombus with an acute myocardial infarction identified with coronary angiography is a clinically rare condition with an extremely high mortality rate. We present a case of LMCA thrombus that presented as a non-ST elevation myocardial infarction (NSTEMI);. CASE: A 45-year-old woman with a history of tobacco use and hyperlipidemia presented with a complaint of 10/10 "hard pain" across her chest radiating to her left shoulder and breast which woke her from sleep...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28414674/a-clot-possibly-due-to-loss-of-tnf-%C3%AE-supression
#16
J Broussard, M Berlinger, D Lauret
INTRODUCTION: Inflammation and venous thrombosis enjoy a close Relationship. We present a patient who had multiple DVTs following the discontinuation of anti- TNF-α therapy. CASE: A 34 year old African American female with a history of multiple DVT's, miscarriages, and reported Crohn's disease presented with shortness of breath. In the Emergency Department, CTA showed bilateral pulmonary emboli. The patient had been off adalimumab for one year and reported abdominal pain with 6-7 non-bloody bowel movements daily...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28414658/septic-cerebral-venosinus-thrombosis-secondary-to-an-odontogenic-infection
#17
Hongvan Le, Shane Prejean, Madeleine Heck
BACKGROUND: Cerebral venosinus thrombosis (CVT); is an uncommon, potentially fatal disease that is more common in young adults and children. Thrombophilia, elevated estrogenic states, and infections are the most common risk factors in patients who develop CVT. CASE: A 69-year-old man with a right-sided odontogenic infection presented with fever, headache, opthalmoplegia, and periorbital swelling. Imaging revealed evidence of meningitis and thrombosis of bilateral ophthalmic veins, the cavernous sinus, right internal jugular vein, and sigmoid sinus...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28411702/outcomes-of-iliac-vein-stents-after-pregnancy
#18
Mohini Dasari, Efthimios Avgerinos, Seshadri Raju, Robert Tahara, Rabih A Chaer
OBJECTIVE: Stenting is the first-line treatment for obstructive iliocaval lesions when intervention is required. The aim of the study was to evaluate iliocaval stent patency during and after pregnancy in women of reproductive age who became pregnant after stent placement. METHODS: Female patients of reproductive age (18-45 years old) who underwent iliocaval stenting between May 2007 and March 2014 were identified from a three-center prospectively maintained database...
May 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28407129/a-noninferiority-trial-comparing-a-heparin-grafted-membrane-plus-citrate-containing-dialysate-versus-regional-citrate-anticoagulation-results-of-the-cited-study
#19
Björn Meijers, Christoph Metalidis, Thomas Vanhove, Ruben Poesen, Dirk Kuypers, Pieter Evenepoel
Background.: Anticoagulation is a prerequisite for successful haemodialysis. Heparin and low-molecular weight heparins are routinely used despite increased bleeding risk. Regional citrate anticoagulation (RCA) is efficacious, but is laborious and may induce metabolic disturbances. Heparin-grafted membranes are less efficacious. It is not known whether combining citrate-containing dialysate and a heparin-grafted membrane is a valid anticoagulation strategy. Methods.: We performed a randomized crossover noninferiority trial, with a prespecified noninferiority threshold of 10% in maintenance dialysis patients ( n  = 25)...
April 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28403994/risk-of-gastrointestinal-bleeding-with-direct-oral-anticoagulants-a-systematic-review-and-network-meta-analysis
#20
Nick Burr, Katie Lummis, Ruchit Sood, John Samuel Kane, Aaron Corp, Venkataraman Subramanian
BACKGROUND: Direct oral anticoagulants are increasingly used for a wide range of indications. However, data are conflicting about the risk of major gastrointestinal bleeding with these drugs. We compared the risk of gastrointestinal bleeding with direct oral anticoagulants, warfarin, and low-molecular-weight heparin. METHODS: For this systematic review and meta-analysis, we searched MEDLINE and Embase from database inception to April 1, 2016, for prospective and retrospective studies that reported the risk of gastrointestinal bleeding with use of a direct oral anticoagulant compared with warfarin or low-molecular-weight heparin for all indications...
February 2017: Lancet. Gastroenterology & Hepatology
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