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https://www.readbyqxmd.com/read/29777547/tacrolimus-induced-asymptomatic-thrombotic-microangiopathy-diagnosed-by-laboratory-tests-in-pig-to-rhesus-corneal-xenotransplantation-a-case-report
#1
Jong-Min Kim, Jaeyoung Kim, Se-Hyun Choi, Jun-Seop Shin, Byoung-Hoon Min, Won Young Jeong, Ga-Eul Lee, Min-Sun Kim, Seeun Kwon, Mee Kum Kim, Chung-Gyu Park
Tacrolimus-associated thrombotic microangiopathy (TA-TMA) is a rare complication. TA-TMA is characterized by microangiopathic hemolytic anemia, thrombocytopenia, and organ damage due to thrombus. We report asymptomatic TA-TMA diagnosed by laboratory tests in pig-to-rhesus corneal xenotransplantation. Corneal transplantation had been conducted from a wild-type SNU miniature pig to a rhesus macaque. The veterinary records were retrospectively reviewed in this case. The immunosuppressive regimen consisted of rituximab, basiliximab, and IVIg as inductive therapies, and steroids with tacrolimus (0...
May 18, 2018: Xenotransplantation
https://www.readbyqxmd.com/read/29746227/comparison-of-an-oral-factor-xa-inhibitor-with-low-molecular-weight-heparin-in-patients-with-cancer-with-venous-thromboembolism-results-of-a-randomized-trial-select-d
#2
Annie M Young, Andrea Marshall, Jenny Thirlwall, Oliver Chapman, Anand Lokare, Catherine Hill, Danielle Hale, Janet A Dunn, Gary H Lyman, Charles Hutchinson, Peter MacCallum, Ajay Kakkar, F D Richard Hobbs, Stavros Petrou, Jeremy Dale, Christopher J Poole, Anthony Maraveyas, Mark Levine
Purpose Venous thromboembolism (VTE) is common in patients with cancer. Long-term daily subcutaneous low molecular weight heparin has been standard treatment for such patients. The purpose of this study was to assess if an oral factor Xa inhibitor, rivaroxaban, would offer an alternative treatment for VTE in patients with cancer. Patient and Methods In this multicenter, randomized, open-label, pilot trial in the United Kingdom, patients with active cancer who had symptomatic pulmonary embolism (PE), incidental PE, or symptomatic lower-extremity proximal deep vein thrombosis (DVT) were recruited...
May 10, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29733996/low-molecular-weight-heparin-for-the-prevention-of-deep-venous-thrombosis-after-total-knee-arthroplasty-a-systematic-review-and-meta-analysis
#3
REVIEW
Ze-Nan Xia, Qing Zhou, Wei Zhu, Xi-Sheng Weng
BACKGROUND: To systematically evaluate the prophylaxis efficacy of low-molecular-weight heparin (LMWH) in the prevention of deep venous thrombosis (DVT) after total knee arthroplasty (TKA). METHOD: PubMed, Cochrane, Embase, Wanfang, CNKI, and VIP databases were searched by index words to identify the eligible RCTs; relevant literature sources were also searched. The latest research was conducted in March 2017. Relative risks (RR), mean difference (MD), and their corresponding 95% confidence intervals (95% CIs) were used to analyze the main outcomes...
May 4, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29717364/acute-promyelocytic-leukemia-cell-adhesion-to-vascular-endothelium-is-reduced-by-heparins
#4
Alfonso Vignoli, Marina Marchetti, Anna Falanga
Adhesion of acute promyelocytic leukemia (APL) cells to endothelial cells (EC) is among the mechanisms of the APL-associated coagulopathy, responsible for early hemorrhagic deaths in affected patients. We compared the effects of dalteparin and enoxaparin, two low-molecular-weight heparins (LMWH), and unfractionated heparin (UFH), on APL NB4 adhesion to micro- (HMEC-1) and macro-vascular EC (HUVEC), in resting and interleukin-1β (IL-1β)-stimulated conditions. The heparin effect on EC adhesion molecule (ICAM-1, VCAM-1, E-selectin) expression was also assessed...
May 1, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29715571/length-of-thromboprophylaxis-in-patients-operated-for-a-high-grade-glioma-a-retrospective-study
#5
Joeky T Senders, Tom J Snijders, Max van Essen, Gaby M van Bentum, Tatjana Seute, Filip Y de Vos, Timothy R Smith, Pierre A Robe, Marike Ld Broekman
OBJECTIVE: High-grade gliomas are associated with venous thromboembolism (VTE). This retrospective study with a parallel cohort design investigates the influence of continuing prophylactic anticoagulation post-discharge on the rate of VTE and intracranial hemorrhage (ICH) in patients operated for a high-grade glioma. METHODS: Consecutive adult patients who underwent sub- or gross-total resection for a high-grade glioma at a single institution were included. Multivariable logistic regression analysis was used to investigate the association between the duration of thromboprophylaxis (dalteparin administered 21 versus 0-7 days) and the occurrence of VTE and ICH within 21 or 90 days after surgery, corrected for known risk factors...
April 28, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29622068/-renal-venous-thrombosis-as-a-complication-of-nephrotic-syndrome
#6
Nata Kermanian, Kaj Aage Hansen
Venous thromboembolism is a very common complication of nephrotic syndrome (NS). This case report concerns a 19-year-old male, who had known NS and was admitted two times in a short period, first presenting with recurrent symptoms of NS and later with an acute abdomen, which was diagnosed as renal venous thrombosis (RVT) and pulmonary thromboembolism. The patient was treated with prednisolone and therapeutic doses of dalteparin and warfarin. Venous thrombosis, particularly RVT and pulmonary thromboembolism, should be considered in patients with NS...
April 2, 2018: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/29529673/mobile-compression-reduces-bleeding-related-readmissions-and-wound-complications-after-tha-and-tka
#7
Diren Arsoy, Nicholas J Giori, Steven T Woolson
BACKGROUND: The use of chemoprophylaxis to prevent thromboembolic disease after primary THA and TKA can be associated with postoperative bleeding complications. Mechanical prophylaxis has been studied as an alternative to chemoprophylaxis with greater safety in patients undergoing THA, but no data have been published comparing the safety of chemoprophylaxis versus mechanical methods for patients undergoing TKA. The risk of readmission resulting from bleeding and venous thromboembolism (VTE) has also not been determined for patients undergoing THA or TKA when treated with low-molecular-weight heparin (LMWH) alone compared with mechanical prophylaxis plus aspirin (ASA)...
February 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29452290/lean-body-weight-is-the-best-scale-for-venous-thromboprophylaxis-algorithm-in-severely-obese-patients-undergoing-bariatric-surgery
#8
Bénédicte Gaborit, Pierre-Antoine Moulin, Thierry Bege, Sandrine Boullu, Clara Vincentelli, Olivier Emungania, Pierre-Emmanuel Morange, Stéphane Berdah, Joe-Elie Salem, Anne Dutour, Corinne Frere
Severely obese patients undergoing bariatric surgery (BS) are at increased risk for venous thromboembolism (VTE). How standard low molecular weight heparin (LMWH) regimen should be adapted to provide both sufficient efficacy and safety in this setting is unclear. We aimed to compare the influence of four body size descriptors (BSD) on peak anti-Xa levels in BS obese patients receiving LMWH fixed doses to identify which one had the greatest impact. One hundred and thirteen BS obese patients [median body mass index (BMI), 43...
May 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29421836/drugs-in-pregnancy-and-lactation-medications-used-in-swiss-obstetrics
#9
Larissa Schenkel, Ana Paula Simões-Wüst, Irene Hösli, Ursula von Mandach
BACKGROUND: In order to improve the safety for drugs in pregnancy and lactation, data on the clinical practice must be collected and validated. METHODS: Data on the medications routinely used were requested from the university hospitals for obstetrics and the non-university perinatal centres in Switzerland and recommendations and guidelines of scientific societies for the various fields of application were sought. RESULTS: Part I: For during pregnancy and the peripartal period respectively, 69 and 21 different active constituents of medications were identified from at least 4 centres...
February 8, 2018: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/29407630/low-molecular-weight-heparin-treatment-for-portal-vein-thrombosis-in-liver-cirrhosis-efficacy-and-the-risk-of-hemorrhagic-complications
#10
Jihyun Kwon, Youngil Koh, Su Jong Yu, Jung-Hwan Yoon
INTRODUCTION: Portal vein thrombosis (PVT) is a well-known complication in patients with liver cirrhosis (LC). The aim of this study is to investigate the outcomes of cirrhotic patients with PVT treated with low-molecular-weight heparin (LMWH). METHOD: Ninety-one LC patients with PVT were treated with dalteparin or enoxaparin for six months. Patients with major bleeding during the last three months, severe thrombocytopenia, or impaired renal function were excluded...
March 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29389673/low-molecular-weight-heparin-versus-rivaroxaban-in-the-treatment-of-venous-thromboembolism-in-gastrointestinal-malignancies
#11
Hannah K Choe, Maria T De Sancho, Sunnie S Kim, Tong Dai, Manish A Shah
: Due to their ease of use, the direct oral anticoagulants (DOACs) are an attractive treatment option for cancer-associated venous thromboembolism (VTE) and have been readily adopted by many clinicians. A recent published study comparing a DOAC (edoxaban) to the current standard-of-care low molecular weight heparin dalteparin for the treatment of cancer-associated thrombosis showed that edoxaban was noninferior to dalteparin for recurrent VTE, but the risk of major bleeding was higher. We present three patients with high-risk gastrointestinal malignancies complicated by cancer-associated VTE with progression of thrombosis while treated with the oral direct Xa inhibitor rivaroxaban...
March 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/29363105/anticoagulation-for-the-initial-treatment-of-venous-thromboembolism-in-people-with-cancer
#12
REVIEW
Maram B Hakoum, Lara A Kahale, Ibrahim G Tsolakian, Charbel F Matar, Victor Ed Yosuico, Irene Terrenato, Francesca Sperati, Maddalena Barba, Holger Schünemann, Elie A Akl
BACKGROUND: Compared with people without cancer, people with cancer who receive anticoagulant treatment for venous thromboembolism (VTE) are more likely to develop recurrent VTE. OBJECTIVES: To compare the efficacy and safety of three types of parenteral anticoagulants (i.e. fixed-dose low molecular weight heparin (LMWH), adjusted-dose unfractionated heparin (UFH), and fondaparinux) for the initial treatment of VTE in people with cancer. SEARCH METHODS: A comprehensive search included a major electronic search of the following databases: Cochrane Central Register of Controlled Trials (CENTRAL) (2018, Issue 1), MEDLINE (via Ovid) and Embase (via Ovid); handsearching of conference proceedings; checking of references of included studies; use of the 'related citation' feature in PubMed; and a search for ongoing studies...
January 24, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29352895/sequencing-the-oligosaccharide-pool-in-the-low-molecular-weight-heparin-dalteparin-with-offline-hplc-and-esi-ms-ms
#13
Zhangjie Wang, Tianji Zhang, Shaoshuai Xie, Xinyue Liu, Hongmei Li, Robert J Linhardt, Lianli Chi
Low molecular weight heparins (LMWHs) are widely used anticoagulant drugs. The composition and sequence of LMWH oligosaccharides determine their safety and efficacy. The short oligosaccharide pool in LMWHs undergoes more depolymerization reactions than the longer chains and is the most sensitive indicator of the manufacturing process. Electrospray ionization tandem mass spectrometry (ESI-MS/MS) has been demonstrated as a powerful tool to sequence synthetic heparin oligosaccharide but never been applied to analyze complicated mixture like LMWHs...
March 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29231094/edoxaban-for-the-treatment-of-cancer-associated-venous-thromboembolism
#14
RANDOMIZED CONTROLLED TRIAL
Gary E Raskob, Nick van Es, Peter Verhamme, Marc Carrier, Marcello Di Nisio, David Garcia, Michael A Grosso, Ajay K Kakkar, Michael J Kovacs, Michele F Mercuri, Guy Meyer, Annelise Segers, Minggao Shi, Tzu-Fei Wang, Erik Yeo, George Zhang, Jeffrey I Zwicker, Jeffrey I Weitz, Harry R Büller
BACKGROUND: Low-molecular-weight heparin is the standard treatment for cancer-associated venous thromboembolism. The role of treatment with direct oral anticoagulant agents is unclear. METHODS: In this open-label, noninferiority trial, we randomly assigned patients with cancer who had acute symptomatic or incidental venous thromboembolism to receive either low-molecular-weight heparin for at least 5 days followed by oral edoxaban at a dose of 60 mg once daily (edoxaban group) or subcutaneous dalteparin at a dose of 200 IU per kilogram of body weight once daily for 1 month followed by dalteparin at a dose of 150 IU per kilogram once daily (dalteparin group)...
February 15, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29224638/predictors-of-perioperative-major-bleeding-in-patients-who-interrupt-warfarin-for-an-elective-surgery-or-procedure-analysis-of-the-bridge-trial
#15
RANDOMIZED CONTROLLED TRIAL
Nathan P Clark, James D Douketis, Vic Hasselblad, Sam Schulman, Andrei L Kindzelski, Thomas L Ortel
BACKGROUND: The use of low-molecular weight heparin bridge therapy during warfarin interruption for elective surgery/procedures increases bleeding. Other predictors of bleeding in this setting are not well described. METHODS: BRIDGE was a randomized, double-blind, placebo-controlled trial of bridge therapy with dalteparin 100 IU/kg twice daily in patients with atrial fibrillation requiring warfarin interruption. Bleeding outcomes were documented from the time of warfarin interruption until up to 37 days postprocedure...
January 2018: American Heart Journal
https://www.readbyqxmd.com/read/29216619/stability-of-dalteparin-1-000-unit-ml-in-0-9-sodium-chloride-for-injection-in-polypropylene-syringes
#16
Kylian Kirkham, Jessica M Munson, Susan V McCluskey, Kevin K Graner
The stability of dalteparin 1,000 units/mL in 0.9% sodium chloride for injection stored in polypropylene syringes under refrigeration was examined. Dalteparin 1,000-units/mL syringes were prepared by adding 9 mL of 0.9% sodium chloride for injection to 1 mL of dalteparin sodium 10,000 unit/mL from commercial single-use syringes. Compounded solutions in 0.5-mL aliquots were transferred to 1-mL polypropylene syringes and sealed with a Luer lock tip cap and stored at refrigerated temperatures (2°C to 8°C) with ambient fluorescent light exposure...
September 2017: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/29117741/%C3%AE-thromboglobulin-may-not-reflect-platelet-activation-during-haemodialysis-with-the-hepran-membrane
#17
Solbjørg Sagedal, Leiv Sandvik, Olav Klingenberg, Per Morten Sandset
BACKGROUND: When blood passes through the extracorporeal circuit during haemodialysis (HD) undesirable effects including platelet degranulation and coagulation activation take place. β-thromboglobulin (β-TG) is a sensitive marker of platelet activation. The aim of this study was to investigate platelet degranulation and coagulation activation during HD with the heparin-coated dialysis membrane HeprAN. METHODS: Four HD sessions were evaluated in each of 12 chronic HD patients...
December 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29112545/european-guidelines-on-perioperative-venous-thromboembolism-prophylaxis-intensive-care
#18
Jacques Duranteau, Fabio Silvio Taccone, Peter Verhamme, Walter Ageno
: Venous thromboembolism is a common and potentially life-threatening complication that occurs in 4 to 15% of patients admitted to ICUs despite the routine use of pharmacological prophylaxis. We therefore recommend an institution-wide protocol for the prevention of venous thromboembolism (Grade 1B). The routine use of ultrasonographic screening for deep vein thrombosis is not recommended when thromboprophylactic measures are in place (Grade 1B), as the detection of asymptomatic deep vein thrombosis may prompt therapeutic anticoagulation that may increase bleeding risk but has no proven reduction of clinically significant thrombotic events...
February 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29102971/delayed-onset-heparin-induced-skin-necrosis-a-rare-complication-of-perioperative-heparin-therapy
#19
Weh Kiat Gan
An uncommon case of delayed-onset dalteparin-induced skin necrosis in an 83-year-old Caucasian female patient associated with heparin-induced thrombocytopaenia (HIT) presenting on day 30 following dalteparin therapy is reported. Investigations revealed mild thrombocytopaenia with normal protein C, protein S, coagulation screen and positive test for heparin-platelet factor-4 antibody. Clinical diagnosis of heparin-induced skin necrosis with HIT was made. Dalteparin injection was discontinued promptly and substituted with fondaparinux therapy...
November 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29049684/coagulation-profile-in-open-and-video-assisted-thoracoscopic-lobectomies-a-cohort-study
#20
Thomas Decker Christensen, Henrik Vad, Søren Pedersen, Peter B Licht, Mads Nybo, Kåre Hornbech, Nora Elisabeth Zois, Anne-Mette Hvas
OBJECTIVES: Lung cancer patients are perceived to have a relatively high risk of venous thromboembolic events due to an activation of the coagulation system. In terms of activation of the coagulation system, the difference between video-assisted thoracoscopic surgery (VATS) and open lobectomies for primary lung cancer has not been investigated. The aim of this study was to compare the impact on the coagulation system in patients undergoing curative surgery for primary lung cancer by either VATS or open lobectomies...
March 1, 2018: Interactive Cardiovascular and Thoracic Surgery
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