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Thrombosis Journal

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https://www.readbyqxmd.com/read/29445314/prognostic-assessment-for-patients-with-cancer-and-incidental-pulmonary-embolism
#1
George Bozas, Natalie Jeffery, Deiva Ramanujam-Venkatachala, Ged Avery, Andrew Stephens, Hilary Moss, June Palmer, Mandi Elliott, Anthony Maraveyas
Background: An incidental/unsuspected diagnosis of pulmonary embolism (IPE) in cancer patients is a frequent occurrence. This single-institution analysis of uniformly managed patients investigates short and long-term outcomes and proposes a prognostic risk score, aiming to assist clinical decision-making. Methods: Data from a prospectively recorded cohort of 234 consecutive cancer patients with IPE were analysed. Multivariate logistic regression and the Cox regression survival methods were used to identify factors with independent association with early (30-day, 3-month, 6-month) mortality and survival...
2018: Thrombosis Journal
https://www.readbyqxmd.com/read/29434525/detecting-clinically-relevant-rivaroxaban-or-dabigatran-levels-by-routine-coagulation-tests-or-thromboelastography-in-a-cohort-of-patients-with-atrial-fibrillation
#2
Yvonne M C Henskens, Anouk J W Gulpen, René van Oerle, Rick Wetzels, Paul Verhezen, Henri Spronk, Simon Schalla, Harry J Crijns, Hugo Ten Cate, Arina Ten Cate-Hoek
Background: Traditional coagulation tests are included in emergency guidelines for management of patients on direct oral anticoagulants (DOACs) who experience acute bleeding or require surgery. We determined the ability of traditional coagulation tests and fast whole blood thromboelastography (ROTEM®) to screen for anticoagulation activity of dabigatran and rivaroxaban as low as 30 ng/mL. Methods: One hundred eighty-four citrated blood samples (75 dabigatran, 109 rivaroxaban) were collected from patients with non-valvular atrial fibrillation (NVAF), to perform screening tests from different manufacturers, (diluted, D) PT, aPTT, TT and ROTEM®...
2018: Thrombosis Journal
https://www.readbyqxmd.com/read/29375274/the-diagnosis-and-treatment-of-venous-thromboembolism-in-asian-patients
#3
REVIEW
Kang-Ling Wang, Eng Soo Yap, Shinya Goto, Shu Zhang, Chung-Wah Siu, Chern-En Chiang
Although the incidence of venous thromboembolism (VTE) in Asian populations is lower than in Western countries, the overall burden of VTE in Asia has been considerably underestimated. Factors that may explain the lower prevalence of VTE in Asian populations relative to Western populations include the limited availability of epidemiological data in Asia, ethnic differences in the genetic predisposition to VTE, underdiagnoses, low awareness toward thrombotic disease, and possibly less symptomatic VTE in Asian patients...
2018: Thrombosis Journal
https://www.readbyqxmd.com/read/29344007/four-factor-prothrombin-complex-concentrate-improves-thrombin-generation-and-prothrombin-time-in-patients-with-bleeding-complications-related-to-rivaroxaban-a-single-center-pilot-trial
#4
Bettina Schenk, Stephanie Goerke, Ronny Beer, Raimund Helbok, Dietmar Fries, Mirjam Bachler
Background: Direct oral anticoagulants (DOACs) pose a great challenge for physicians in life-threatening bleeding events. The aim of this study was to test the efficacy of reversing the DOAC rivaroxaban using four-factor PCC (prothrombin complex concentrate), a non-specific reversing agent. Methods: Patients with life-threatening bleeding events during rivaroxaban treatment were included and administered 25 U kg -1 of PCC. Blood samples were collected immediately prior to as well as after PCC treatment at predefined time intervals...
2018: Thrombosis Journal
https://www.readbyqxmd.com/read/29299031/reference-ranges-for-rotational-thromboelastometry-in-male-sprague-dawley-rats
#5
Mariana Vigiola Cruz, Jenna N Luker, Bonnie C Carney, Kathleen E Brummel-Ziedins, Maria-Cristina Bravo, Thomas Orfeo, Jason H Chen, Lauren T Moffatt, Jeffrey W Shupp
Background: A functional coagulation assay was used to investigate the extrinsic pathway of coagulation on citrated whole blood samples from healthy adult male Sprague Dawley rats using the mini cup and pin system. Methods: Reference values for coagulation parameters from forty-three animals were calculated using data obtained from the ROTEM® delta hemostasis analyzer with the EXTEM test. Results: The following ranges, presented as the 2...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/29299030/effect-of-sinus-rhythm-restoration-on-markers-of-thrombin-generation-in-atrial-fibrillation
#6
Anja Wiedswang Horjen, Ingebjørg Seljeflot, Trygve Berge, Pål Smith, Harald Arnesen, Arnljot Tveit
Background: Atrial fibrillation (AF) confers a hypercoagulable state; however, it is not clear whether restoration of sinus rhythm is associated with normalisation of markers of thrombogenesis. We studied the impact of sustained sinus rhythm on prothrombotic markers, and their predictive abilities in foreseeing rhythm outcome after cardioversion. Methods: In a double blind, placebo-controlled study, 171 patients referred for electrical cardioversion of persistent AF were randomised to receive candesartan or placebo for 3-6 weeks before and 6 months after cardioversion...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/29270080/video-assisted-thoracoscopic-surgery-vats-lobectomy-for-lung-cancer-does-not-induce-a-procoagulant-state
#7
Thomas Decker Christensen, Henrik Vad, Søren Pedersen, Peter B Licht, Mads Nybo, Kåre Hornbech, Nora Elisabeth Zois, Anne-Mette Hvas
Background: Changes in the coagulation system in patients undergoing surgery for lung cancer have been sparsely investigated and the impact of the surgical trauma on the coagulation system is largely unknown in these patients. An increased knowledge could potentially improve the thromboprophylaxis regimes. The aim of this study was to assess the coagulation profile evoked in patients undergoing curative surgery by Video-Assisted Thoracoscopic Surgery (VATS) lobectomy for primary lung cancer...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/29200971/vwf-adamts13-is-associated-with-on-aspirin-residual-platelet-reactivity-and-clinical-outcome-in-patients-with-stable-coronary-artery-disease
#8
Ellen M K Warlo, Alf-Åge R Pettersen, Harald Arnesen, Ingebjørg Seljeflot
Background: The mechanisms behind residual platelet reactivity (RPR) despite aspirin treatment are not established. It has been shown that coronary artery disease (CAD) patients with high on-aspirin RPR have elevated levels of von Willebrand factor (vWF). ADAMTS13 is a metalloprotease cleaving ultra large vWF multimers into less active fragments.Our aim was to investigate whether ADAMTS13 and vWF/ADAMTS13 ratio were associated with high RPR, and further with clinical endpoints after 2 years...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/29046616/comparison-of-three-different-anti-xa-assays-in-major-orthopedic-surgery-patients-treated-with-direct-oral-anticoagulant
#9
Makoto Ikejiri, Hideo Wada, Shine Tone, Hiroki Wakabayashi, Masahiro Hasegawa, Takeshi Matsumoto, Naoki Fujimoto, Norikazu Yamada, Masaaki Ito, Kaname Nakatani, Akihiro Sudo
BACKGROUND: Measurement of edoxaban plasma concentration has been gathering attention in major orthopedic surgery patients receiving edoxaban for the prevention of venous thromboembolism (VTE). METHODS: The anti-Xa activity was measured one hour after edoxaban intake using 3 different assays in 200 patients after major orthopedic surgery. RESULTS: The anti-Xa activities on Day 8 were significantly higher than those on Day 4 and those on Day 4 were significantly higher than those on Day 1...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/29026346/treatment-with-direct-oral-anticoagulants-in-patients-with-upper-extremity-deep-vein-thrombosis
#10
Francisco Sánchez Montiel, Raein Ghazvinian, Anders Gottsäter, Johan Elf
BACKGROUND: Upper extremity deep vein thrombosis (UEDVT) constitutes around 10% of all DVT, and can cause both pulmonary embolism (PE) and postthrombotic syndrome (PTS) in the arm. The incidence of secondary UEDVT is increasing due to widespread use of central venous catheters in patients with cancer and other chronic diseases. The safety and efficacy of using new direct acting oral anti coagulants (DOAC) in the treatment of UEDVT has not been systematically evaluated. Our aims were to evaulate efficacy, safety, and risk of recurrence of venous thromboembolism (VTE) during DOAC treatment in UEDVT patients...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28936124/the-risk-of-venous-thromboembolism-associated-with-peripherally-inserted-central-catheters-in-ambulant-cancer-patients
#11
Daniel Jones, Kurt Wismayer, George Bozas, June Palmer, Mandi Elliott, Anthony Maraveyas
BACKGROUND: Deep vein thrombosis (DVT) is a common complication of peripherally inserted central catheters (PICCs). PICCs are increasingly utilised in the management of cancer patients, a group which carries both additional risks for vascular thromboembolism as well as for complex morbidity. We analysed a cohort of cancer patients subjected to PICC insertion in a single cancer centre for the incidence of all-type vascular thromboembolism (VTE) and investigated relative risk factors. METHODS: In this clinical audit, the records of patients referred for PICC insertion in our centre in the period between 1/1/2011 and 1/4/2014 were retrospectively reviewed...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28912669/identification-of-novel-mutations-in-congenital-afibrinogenemia-patients-and-molecular-modeling-of-missense-mutations-in-pakistani-population
#12
Arshi Naz, Arijit Biswas, Tehmina Nafees Khan, Anne Goodeve, Nisar Ahmed, Nazish Saqlain, Shariq Ahmed, Ikram Din Ujjan, Tahir S Shamsi, Johannes Oldenburg
BACKGROUND: Congenital afibrinogenemia (OMIM #202400) is a rare coagulation disorder that was first described in 1920. It is transmitted as an autosomal recessive trait that is characterized by absent levels of fibrinogen (factor I) in plasma. Consanguinity in Pakistan and its neighboring countries has resulted in a higher number of cases of congenital fibrinogen deficiency in their respective populations. This study focused on the detection of mutations in fibrinogen genes using DNA sequencing and molecular modeling of missense mutations in all three genes [Fibrinogen gene alpha (FGA), beta (FGB) and gamma (FGG)] in Pakistani patients...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28878572/dabigatran-reversal-with-idarucizumab-in-a-patient-undergoing-heart-transplantation-first-european-report
#13
António Tralhão, Carlos Aguiar, Jorge Ferreira, Maria José Rebocho, Emília Santos, Dinis Martins, José Pedro Neves
BACKGROUND: Dabigatran is a direct thrombin inhibitor with a favorable effectiveness and safety profile when compared to vitamin K antagonists, both in randomized trials and real world registries of atrial fibrillation patients. Yet, physicians' fear of high bleeding risk scenarios in daily clinical practice still precludes a more widespread use of oral anticoagulation. We hereby report a successful case of dabigatran reversal with the novel monoclonal antibody fragment idarucizumab in a patient undergoing heart transplantation...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28860945/%C3%AE-3-phosphorylation-of-platelet-%C3%AE-iib%C3%AE-3-is-crucial-for-stability-of-arterial-thrombus-and-microparticle-formation-in-vivo
#14
Weiyi Feng, Manojkumar Valiyaveettil, Tejasvi Dudiki, Ganapati H Mahabeleshwar, Patrick Andre, Eugene A Podrez, Tatiana V Byzova
BACKGROUND: It is well accepted that functional activity of platelet integrin αIIbβ3 is crucial for hemostasis and thrombosis. The β3 subunit of the complex undergoes tyrosine phosphorylation shown to be critical for outside-in integrin signaling and platelet clot retraction ex vivo. However, the role of this important signaling event in other aspects of prothrombotic platelet function is unknown. METHOD: Here, we assess the role of β3 tyrosine phosphorylation in platelet function regulation with a knock-in mouse strain, where two β3 cytoplasmic tyrosines are mutated to phenylalanine (DiYF)...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28814943/comparison-of-different-laboratory-tests-in-the-evaluation-of-hemorrhagic-risk-of-patients-using-rivaroxaban-in-the-critical-care-setting-diagnostic-accuracy-study
#15
Marjorie Paris Colombini, Priscilla Bento Matos Cruz Derogis, Valdir Fernandes de Aranda, João Carlos de Campos Guerra, Nelson Hamerschlak, Cristóvão Luis Pitangueiras Mangueira
BACKGROUND: Rivaroxaban is a direct oral anticoagulant designed to dispense with the necessity of laboratory monitoring. However, monitoring rivaroxaban levels is necessary in certain clinical conditions, especially in the critical care setting. METHODS: This is a diagnostic accuracy study evaluating sensitivity and specificity of prothrombin time (PT), activated partial thromboplastin time (aPTT), and Dilute Russell viper venom time (dRVVT), to evaluate the hemorrhagic risk in patients taking rivaroxaban...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28814942/awareness-of-venous-thromboembolism-and-thromboprophylaxis-among-hospitalized-patients-a-cross-sectional-study
#16
Hind Almodaimegh, Lama Alfehaid, Nada Alsuhebany, Rami Bustami, Shmylan Alharbi, Abdulmalik Alkatheri, Abdulkareem Albekairy
BACKGROUND: Patient awareness of venous thromboembolism (VTE) and thromboprophylaxis is essential for their safety. In this study, we evaluated patients' awareness of VTE and their perceptions of thromboprophylaxis. METHODS: We administered a cross-sectional survey to patients hospitalized at the King Abdulaziz Medical City, Riyadh, Saudi Arabia. RESULTS: Of 190 patients approached, 174 completed the survey, constituting a response rate of 95%...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28781584/paget-schroetter-syndrome-in-the-absence-of-common-predisposing-factors-a-case-report
#17
Ramy Ibrahim, Irina Dashkova, Myia Williams, Andrzej Kozikowski, Neeraj Abrol, Anjula Gandhi, Renee Pekmezaris
BACKGROUND: Paget-Schrotter Syndrome (PSS) also known as "effort thrombosis" is a form of primary thrombosis in the subclavian vein at the costoclavicular junction is usually seen in younger patients after repeated strenuous activity of the shoulders and arms. When occurring in younger patients, PSS presents itself with predisposing factors such as unilateral dull, aching pain in the shoulder or axilla and swelling of the arm and hand. CASE PRESENTATION: We report a rare case of unusual left axillo-subclavian vein thrombosis in absence of clear risk factors and a negative hypercoagulable workup in a 36-year-old Hispanic woman who presented with 2 days duration of left upper extremity pain and swelling after a week of heavy exercise in aerobic class...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28680366/fatal-pulmonary-embolism-following-splenectomy-in-a-patient-with-evan-s-syndrome-case-report-and-review-of-the-literature
#18
Varun Monga, Seth M Maliske, Usha Perepu
BACKGROUND: Evans syndrome (ES) is a rare disease characterized by simultaneous or sequential development of autoimmune hemolytic anemia (AIHA) and immune thrombocytopenia (ITP) with or without immune neutropenia. Splenectomy is one of the treatment options for disease refractory to medical therapy. Venous thromboembolism (VTE) following splenectomy for hematological diseases has an incidence of 10%. CASE PRESENTATION: Here we describe a case report of a young patient hospitalized with severe hemolytic anemia with Hgb 4...
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28680365/the-approval-of-revised-diagnostic-criteria-for-dic-from-the-japanese-society-on-thrombosis-and-hemostasis
#19
Hideo Wada, Hoyu Takahashi, Toshimasa Uchiyama, Yutaka Eguchi, Kohji Okamoto, Kazuo Kawasugi, Seiji Madoiwa, Hidesaku Asakura
As proposed diagnostic criteria for DIC from the Japanese Society on Thrombosis and Hemostasis has been approved and revised, the contents and changes are informed.
2017: Thrombosis Journal
https://www.readbyqxmd.com/read/28649180/procoagulatory-changes-induced-by-head-up-tilt-test-in-patients-with-syncope-observational-study
#20
Viktor Hamrefors, Artur Fedorowski, Karin Strandberg, Richard Sutton, Nazim Isma
BACKGROUND: Orthostatic hypercoagulability is proposed as a mechanism promoting cardiovascular and thromboembolic events after awakening and during prolonged orthostasis. We evaluated early changes in coagulation biomarkers induced by tilt testing among patients investigated for suspected syncope, aiming to test the hypothesis that orthostatic challenge evokes procoagulatory changes to a different degree according to diagnosis. METHODS: One-hundred-and-seventy-eight consecutive patients (age, 51 ± 21 years; 46% men) were analysed...
2017: Thrombosis Journal
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