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Hypercoagulable

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https://www.readbyqxmd.com/read/28319440/markers-of-blood-coagulation-and-fibrinolysis-in-patients-with-early-and-delayed-microsurgical-reconstructions-in-the-lower-extremities
#1
Oliver Kloeters, Dalibor Vasilic, Pieter Hupkens, Dietmar Ulrich
BACKGROUND: In this study, markers of coagulation and fibrinolysis were assessed during early and delayed microsurgical reconstruction in patients with traumatic defects of their lower legs to analyse whether an imbalance of the hemostasis after trauma might predispose the development of vascular complications. METHODS: The prospective study included 70 patients. In 35 patients, surgery was performed within 72 hours after injury. In 35 other patients, delayed free flap transfer was performed between 14-21 days after trauma...
March 20, 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28318106/lack-of-rivaroxaban-influence-on-a-prothrombinase-based-assay-for-the-detection-of-activated-c-protein-resistance-an-italian-ex-vivo-and-in-vitro-study-in-normal-subjects-and-factor-v-leiden-carriers
#2
G Gessoni, S Valverde, L Valle, F Gessoni, P Caruso, R Valle
INTRODUCTION: Activated protein C resistance (APCr) leads to hypercoagulability and is due, often but not exclusively, to Factor V Leiden (FVL). The aim of this study was to assess the ex vivo and in vitro interference of the direct factor Xa inhibitor rivaroxaban (RIV) on a prothrombinase-based assay for APCr detection. METHODS: An ex vivo study was performed on fresh plasma samples obtained from 44 subjects with FV wild-type and seven with FVL heterozygous, all treated with RIV...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28315812/onset-of-coagulation-function-recovery-is-delayed-in-severely-injured-trauma-patients-with-venous-thromboembolism
#3
Belinda H McCully, Christopher R Connelly, Kelly A Fair, John B Holcomb, Erin E Fox, Charles E Wade, Eileen M Bulger, Martin A Schreiber
BACKGROUND: Altered coagulation function after trauma may contribute to venous thromboembolism (VTE) development. Severe trauma impairs coagulation function, but the trajectory for recovery is not known. We hypothesized that enhanced, early recovery of coagulation function increases VTE risk in severely-injured trauma patients. STUDY DESIGN: Secondary analysis was performed on data from The Pragmatic Randomized Optimal Platelet and Plasma Ratio (PROPPR) trial, excluding patients who died within 24 hours and/or were on pre-injury anticoagulants...
March 15, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28304315/using-antifibrinolytics-in-the-peripartum-period-concern-for-a-hypercoagulable-effect
#4
H K Ahmadzia, E L Lockhart, S M Thomas, I J Welsby, M R Hoffman, A H James, A P Murtha, G K Swamy, C A Grotegut
INTRODUCTION: Although antifibrinolytic agents are used to prevent and treat hemorrhage, there are concerns about a potential increased risk for peripartum venous thromboembolism. We sought to determine the impact of tranexamic acid and ɛ-aminocaproic acid on in vitro clotting properties in pregnancy. METHODS: Blood samples was obtained from healthy pregnant, obese, and preeclamptic pregnant women (n = 10 in each group) prior to delivery as well as from healthy non-pregnant controls (n = 10)...
March 16, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28302320/platelet-reactivity-and-mean-platelet-volume-as-risk-markers-of-thrombogenesis-in-atrial-fibrillation
#5
Marcin Makowski, Ireneusz Smorag, Joanna Makowska, Andrzej Bissinger, Tomasz Grycewicz, Jarek Paśnik, Michal Kidawa, Andrzej Lubiński, Marzenna Zielińska, Zbigniew Baj
Atrial fibrillation (AF) is associated with increased risk of thromboembolic complications. One of the markers of the increased risk of hypercoagulable state is platelet hyperreactivity. The aim of the study was to assess impact of arrhythmia on platelet reactivity. METHODS: The study included 36 (mean age 48,3; range 21-60) male patients with lone atrial fibrillation, with exclusion of concomitant diseases known to trigger hypercoagulable state. The AF patients underwent cardioversion to restore sinus rhythm and were subsequently under observation for 1month...
March 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28302286/viscoelastic-hemostatic-assays-in-the-management-of-the-pediatric-trauma-patient
#6
Christine M Leeper, Barbara A Gaines
Viscoelastic hemostatic assays (VHA), such as TEG and ROTEM, are whole blood tests that depict functional coagulation both numerically and graphically. The development of rapid VHA technology, which allows for the first data points to result within minutes of test initiation, has increased the utility of these tests in the treatment of trauma patients. Both adult and pediatric centers have integrated VHAs into trauma resuscitation and transfusion protocols. Literature regarding the use of VHAs for injured children is limited...
February 2017: Seminars in Pediatric Surgery
https://www.readbyqxmd.com/read/28299993/a-new-perspective-on-the-risk-of-hypercoagulopathy-in-ovarian-hyperstimulation-syndrome-using-thromboelastography
#7
Eyal Zohav, Benny Almog, Aviad Cohen, Ishai Levin, Varda Deutsch, Ariel Many, Ami Amit, Yoni Cohen
Thromboelastography (TEG) provides real-time assessment of hemostasis by measuring the viscoelastic properties, coagulation factor, and platelet activity in whole blood samples. In this prospective case-control study, we wanted to investigate whether blood clot formation assessment, using TEG, can identify a hypercoagulable state in women with severe ovarian hyperstimulation syndrome (OHSS). Thirty-six women who were hospitalized with severe OHSS were allocated to the OHSS group and 32 women undergoing controlled ovarian hyperstimulation but who did not develop OHSS were allocated to the control group...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28289555/gender-differences-in-post-traumatic-stress
#8
Maria Grazia Modena, Daniele Pettorelli, Giulia Lauria, Elisa Giubertoni, Erminio Mauro, Valentina Martinotti
Acute stress can trigger cardiovascular events and disease. The earthquake is an "ideal" natural experiment for acute and chronic stress, with impact mainly on the cardiovascular system. On May 20th and 29th, 2012, two earthquakes of magnitude 5.9° to 6.4° on the Richter scale, hit the province of Modena and Reggio Emilia, an area of the north-center of Italy never considered at seismic risk. The purpose of our study was to assess whether there were gender-specific differences in stress-induced incidence of cardiovascular events and age of patients who arrived at the Emergency Departments (ED) of the three main teaching hospitals of the University of Modena and Reggio Emilia...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28283957/migraine-and-stroke-what-s-the-link-what-to-do
#9
REVIEW
Anna Gryglas, Robert Smigiel
Migraine and stroke are common, disabling neurologic disorders, with a high socioeconomic burden. A link between them has been proposed years ago, and various theories have been proposed to explain this bidirectional relation. However, the precise causes remain unclear. We briefly summarize existing hypotheses of this correlation seeking for recommendations for stroke prevention in migraineurs, if any exist. Among the strongest suggested theories of migraine-stroke association are cortical spreading depression, endovascular dysfunction, vasoconstriction, neurogenic inflammation, hypercoagulability, increased prevalence of vascular risk factors, shared genetic defects, cervical artery dissection, and patent foramen ovale...
March 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28277060/thrombelastographic-hypercoagulability-and-antiplatelet-therapy-after-coronary-artery-bypass-surgery-teg-cabg-trial-a-randomized-controlled-trial
#10
Sulman Rafiq, Pär I Johansson, Klaus F Kofoed, Jens T Lund, Peter S Olsen, Simon Bentsen, Daniel A Steinbrüchel
A hypercoagulable state has, in observational studies, been associated with increased risk of thromboembolic events. The aim of this trial was to study whether dual antiplatelet therapy (DAPT) with clopidogrel in addition to aspirin could reduce the rate of graft occlusions, thromboembolic events, and death compared to aspirin monotherapy in hypercoagulable patients undergoing coronary artery bypass surgery. A total of 1683 patients were screened for eligibility, among which 165 patients were randomized and 133 patients underwent multislice computed tomography scan to evaluate their grafts...
February 22, 2017: Platelets
https://www.readbyqxmd.com/read/28271663/vascular-complications-following-prophylactic-balloon-occlusion-of-the-internal-iliac-arteries-resolved-by-successful-interventional-thrombolysis-in-a-patient-with-morbidly-adherent-placenta
#11
Ning Zhang, Wei-Hua Lou, Xue-Bin Zhang, Jia-Ning Fu, Yun-Yan Chen, Zhi-Guo Zhuang, Jian-Hua Lin
The increasing incidence of morbidly adherent placenta (MAP) is placing women at a higher risk of life-threatening massive hemorrhage. The involvement of interventional radiology to manage this complex condition by performing prophylactic iliac artery balloon occlusion has been reported recently. However, the effectiveness and safety of this technique have not been fully determined. Here we report the case of a 25-year-old woman with placenta increta with preemptive bilateral internal iliac artery balloons who had external iliac artery thrombosis detected by computed tomography angiography (CTA) 72 h post cesarean section...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28267395/the-role-of-platelets-in-antiphospholipid-syndrome
#12
G Baroni, A Banzato, E Bison, G Denas, G Zoppellaro, V Pengo
Despite extensive research, the pathogenesis of antiphospholipid syndrome (APS) remains obscure in many aspects. However, it is widely accepted that thrombosis is the result of a hypercoagulable state caused by antibodies directed against β2-glycoprotein I (β2-GPI), a protein whose physiological role is unknown. Although underestimated, platelets may be involved in APS and its thrombotic manifestations, especially arterial, in several ways. Thrombocytopenia is the most relevant non-criteria manifestation of APS, possibly caused by direct binding of anti-β2-GPI antibodies or anti-β2-GPI-β2-GPI complexes...
March 7, 2017: Platelets
https://www.readbyqxmd.com/read/28262199/effects-of-disease-activity-and-inflammatory-response-on-hypercoagulability-in-patients-with-systemic-lupus-erythematosus
#13
Yan Liang, Rui-Xue Leng, Hai-Feng Pan, Dong-Qing Ye
BACKGROUND AND AIMS: The aim of the study was to (1) investigate the possible relationships of clinical manifestations and laboratory abnormalities with hypercoagulability in systemic lupus erythematosus (SLE) patients; (2) analyze the interaction effect between SLE disease activity and erythrocyte sedimentation rate (ESR) as well as between C3 and ESR on hypercoagulability. METHODS: The medical records of 1677 SLE patients were collected. Data on demographic characteristics, clinical manifestations, laboratory abnormalities and immunosuppressive agents use were obtained by medical record review...
October 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/28249913/alteration-of-hemostatic-parameters-in-patients-with-different-levels-of-subclinical-hypothyroidism-and-the-effect-of-l-thyroxine-treatment
#14
Fang Gao, Guangya Wang, Jinxiu Xu
Subclinical hypothyroidism (SH) is associated with hypercoagulability and hypofibrinolysis. The objective of this study was to assess the effect of L-thyroxine (L-T4) treatment and to evaluate changes in the hemostatic abnormalities of patients with varying severities of SH. We measured tissue plasminogen activator (t-PA), plasminogen activator inhibitor-1 (PAI-1), D-dimer (DDI), fibrinogen (FIB), platelet counts (PLT), mean platelet volume (MPV), platelet distribution width (PDW), activated partial thromboplastin time (APTT), and prothrombin time (PT) in 149 female subjects...
January 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28248803/1-1-transfusion-strategies-are-right-for-the-wrong-reasons
#15
Stephanie A Savage, Ben L Zarzaur, Brian L Brewer, Garrett H Lim, Ali C Martin, Louis J Magnotti, Martin A Croce, Timothy H Pohlman
INTRODUCTION: Early assessment of clot function identifies coagulopathies following injury. Abnormalities include a hypercoagulable state from excess thrombin generation, as well as an acquired coagulopathy. Efforts to address coagulopathy have resulted in earlier, aggressive use of plasma emphasizing 1:1 resuscitation. The purpose of this study was to describe coagulopathies in varying hemorrhagic profiles from a cohort of injured patients. METHODS: All injured patients who received at least one unit of packed red blood cells (PRBC) in the first 24 hours of admission from September 2013 to May 2015 were eligible for inclusion...
February 28, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28248742/central-retinal-vein-occlusion-in-gata2-deficiency
#16
Duncan Berry, Sharon Fekrat
PURPOSE: To examine the association between GATA2 deficiency-related myelodysplastic syndrome (MDS) and central retinal vein occlusion (CRVO). METHODS: Clinical ophthalmologic examination and laboratory work-up was performed for a patient with GATA2 deficiency-related MDS who experienced a unilateral CRVO. The literature was reviewed for reports of CRVO in the setting of MDS and allogeneic hematopoietic stem cell transplantation. RESULTS: Ophthalmologic examination revealed findings consistent with unilateral CRVO...
February 28, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28247972/clinical-relevance-of-hypercoagulability-and-possible-hypofibrinolysis-associated-with-estrone-and-estriol
#17
Albe C Swanepoel, Priyaa Naidoo, Vance G Nielsen, Etheresia Pretorius
Estrone (E1 ) and Estriol (E3 ) are endogenous female hormones, present in increased concentrations during female specific physiological processes (menopause and pregnancy respectively) that are associated with increased venous thrombotic risk. These hormones are also used as hormone therapies that are also associated with increased thromboembolism risk. Viscoelastic analysis revealed no significant difference to clot formation after hormone addition, however morphological analysis showed that the addition of both E1 and E3 result in fibrin clots composed of thinner fibrin fibers arranged in dense matted networks...
March 1, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28246677/tissue-factor-levels-in-type-2-diabetes-mellitus
#18
Prashilla Soma, Albe C Swanepoel, Janette Bester, Etheresia Pretorius
INTRODUCTION: Type 2 diabetes mellitus is a pandemic associated with disturbance in haemostasis that could contribute to the development of diabetic vascular disease and accelerated atherosclerosis. In this population, hypercoagulation is prevalent, as well as pathological changes to erythrocytes. This is mainly due to upregulated circulating inflammatory markers. MATERIALS AND METHODS: Here we looked at tissue factor (TF) levels using ELISA, in a sample of diabetics, with and without cardiovascular complications...
February 28, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28246554/splanchnic-vein-thrombosis-in-myeloproliferative-neoplasms-pathophysiology-and-molecular-mechanisms-of-disease
#19
REVIEW
Joan How, Amy Zhou, Stephen T Oh
Myeloproliferative neoplasms (MPNs) are the most common underlying prothrombotic disorder found in patients with splanchnic vein thrombosis (SVT). Clinical risk factors for MPN-associated SVTs include younger age, female sex, concomitant hypercoagulable disorders, and the JAK2 V617F mutation. These risk factors are distinct from those associated with arterial or deep venous thrombosis (DVT) in MPN patients, suggesting disparate disease mechanisms. The pathophysiology of SVT is thought to derive from local interactions between activated blood cells and the unique splanchnic endothelial environment...
March 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28245471/water-pipe-smoke-exposure-induced-circulatory-disturbances-in-mice-and-the-influence-of-betaine-supplementation-thereon
#20
Abderrahim Nemmar, Suhail Al-Salam, Sumaya Beegam, Priya Yuvaraju, Abderrahim Oulhaj, Badreldin H Ali
BACKGROUND/AIMS: It has been shown, both experimentally and clinically, that water-pipe smoke (WPS) exposure adversely affects the cardiovascular system (CVS) through the generation of oxidative stress and inflammation. Betaine, a naturally occurring compound in common foods, has antioxidant and anti-inflammatory actions. However, its potential to mitigate the adverse effect of WPS on the CVS has never been reported before. This is the subject of this study in mice. METHODS: Mice were exposed daily for 30 min to either normal air (control), or to WPS for two consecutive weeks...
February 27, 2017: Cellular Physiology and Biochemistry
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