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bleeding tendency

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https://www.readbyqxmd.com/read/28429865/differential-effects-of-bleeds-on-the-development-of-arthropathy-basic-and-applied-issues
#1
REVIEW
L F D van Vulpen, S C Mastbergen, F P J G Lafeber, R E G Schutgens
Haemophilia is characterized by a spontaneous bleeding tendency, affecting mainly the synovial joints. Recurrent joint bleeds induce a cascade of inflammatory as well as degenerative processes injuring synovium, cartilage and bone. These processes affect each other and may occur in parallel and/or sequentially. Clinically, the effects of joint bleeds are heterogeneous. A marked variability in joint damage is observed in patients with a similar bleeding history. Also late stage effects differ with some patients developing chronic synovitis, and others suffering from osteochondral degeneration called haemophilic arthropathy...
April 21, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28422416/clot-wave-analysis-and-thromboembolic-score-in-liver-cirrhosis-two-opposing-phenomena
#2
M F Ruberto, O Sorbello, A Civolani, D Barcellona, L Demelia, F Marongiu
INTRODUCTION: Prothrombin time (PT) and activated partial thromboplastin time (aPTT) are abnormal but unreliable in cirrhotic patients to express their risk of bleeding. However, these patients may also suffer from thrombotic episodes. In order to investigate the dynamics of the formation of fibrin, the clot waveform analysis (CWA) of aPTT was studied together with a score for the evaluation of the thromboembolic risk. METHODS: CWA in terms of velocity (1st derivative), acceleration (2nd derivatives) and density (Delta) of aPTT and the Padua Prediction Score (PPS) for venous thromboembolism were studied in 191 cirrhotic patients...
April 19, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28420841/tranexamic-acid-controlled-chronic-disseminated-intravascular-coagulation-associated-with-aortic-dissection-and-patent-false-lumen-for-three-years
#3
Yodo Gatate, Nobuyuki Masaki, Atsushi Sato, Risako Yasuda, Takayuki Namba, Hirotaka Yada, Akio Kawamura, Takeshi Adachi
The management of chronic disseminated intravascular coagulation (DIC) caused by aortic dissection has not yet been established. Even in cases where surgical correction is performed, therapeutic control of systemic hemorrhaging is still required. We herein report the successful treatment of a case of aortic dissection with a patent false lumen using tranexamic acid for acute exacerbation of chronic DIC. Oral administration of 1,500 mg tranexamic acid per day stabilized the coagulative and fibrinolytic parameters and relieved bleeding tendencies with no side effects...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28419850/overpressure-blast-injury-induced-oxidative-stress-and-neuroinflammation-response-in-rat-frontal-cortex-and-cerebellum
#4
Hale Z Toklu, Zhihui Yang, Sehkar Oktay, Yasemin Sakarya, Nataliya Kirichenko, Michael K Matheny, Judy Muller-Delp, Kevin Strang, Philip J Scarpace, Kevin K W Wang, Nihal Tümer
BACKGROUND & AIM: Overpressure blast-wave induced brain injury (OBI) and its long-term neurological outcome pose significant concerns for military personnel. Our aim is to investigate the mechanism of injury due to OBI. METHODS: Rats were divided into 3 groups: 1) Control, 2) OBI (exposed 30psi peak pressure, 2-2.5ms), 3) Repeated OBI (r-OBI) (three exposures over one-week period). Lung and brain (cortex and cerebellum) tissues were collected at 24h post injury...
April 15, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28416849/-effect-of-mechanical-self-cleaning-of-tongue-coating-on-malodor-in-halitosis-patients-originating-from-tongue-coating
#5
J Wang, L He
OBJECTIVE: To evaluate the malodor level and to explore the effect of mechanical self-cleaning of tongue coating in patients with halitosis originating from tongue coating. METHODS: Ten patients with halitosis originating from tongue coating were enrolled and divided into two groups randomly. The patients in test group received instruction of mechanical cleaning of tongue coating while no such instruction was given to control group. Organoleptic test (OLT) score, volatile sulfide compounds (VSC) value, area of tongue coating (Ta), thickness of tongue coating (Tt) and periodontal condition were recorded at baseline and were repeated at the end of 1 week, 2 weeks, 4 weeks and 8 weeks later...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28415757/an-absence-of-platelet-activation-following-thalidomide-treatment-in-vitro-or-in-vivo
#6
Jianlin Qiao, Yulu Wu, Xiaoqing Wu, Yun Liu, Xiaoqian Li, Wen Ju, Kunming Qi, Depeng Li, Elizabeth E Gardiner, Robert K Andrews, Lingyu Zeng, Kailin Xu
Increased risk of thromboembolism and platelet hyperreactivity has been reported in patients receiving thalidomide therapy. Whether thalidomide induces platelet activation directly or through other factors remains unclear. The aim of this study was to evaluate the effect of thalidomide on platelet activation under resting conditions in vitro and in vivo. Isolated human or mouse platelets were treated with different concentrations of thalidomide (10, 50 and 100 μg/ml) for 60 min at 37°C followed by analysis of platelet surface expression of platelet receptors GPIbα, GPVI, αIIbβ3 and P-selectin, and PAC-1 or fibrinogen binding, by flow cytometry and collagen- or ADP-induced platelet aggregation...
March 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28399723/germline-heterozygous-variants-in-genes-associated-with-familial-hemophagocytic-lymphohistiocytosis-as-a-cause-of-increased-bleeding
#7
Marcus Fager Ferrari, Eva Leinoe, Maria Rossing, Eva Norström, Karin Strandberg, Tobias Steen Sejersen, Klaus Qvortrup, Eva Zetterberg
Familial hemophagocytic lymphohistiocytosis (FHL) is caused by biallelic variants in genes regulating granule secretion in cytotoxic lymphocytes. In FHL3-5, the affected genes UNC13D, STX11 and STXBP2 have further been shown to regulate the secretion of platelet granules, giving rise to compromised platelet function. Therefore, we aimed to investigate platelet degranulation in patients heterozygous for variants in UNC13D, STX11 and STXBP2. During the work-up of patients referred to the Coagulation Unit, Skåne University Hospital, Malmö, Sweden and the Department of Hematology, Rigshospitalet, Copenhagen, Denmark due to bleeding tendencies, 12 patients harboring heterozygous variants in UNC13D, STX11 or STXBP2 were identified using targeted whole exome sequencing...
April 11, 2017: Platelets
https://www.readbyqxmd.com/read/28394285/diagnosis-and-treatment-of-von-willebrand-disease-and-rare-bleeding-disorders
#8
REVIEW
Giancarlo Castaman, Silvia Linari
Along with haemophilia A and B, von Willebrand disease (VWD) and rare bleeding disorders (RBDs) cover all inherited bleeding disorders of coagulation. Bleeding tendency, which can range from extremely severe to mild, is the common symptom. VWD, due to a deficiency and/or abnormality of von Willebrand factor (VWF), represents the most frequent bleeding disorder, mostly inherited as an autosomal dominant trait. The diagnosis may be difficult, based on a bleeding history and different diagnostic assays, which evaluate the pleiotropic functions of VWF...
April 10, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28393779/the-utility-of-preoperative-level-of-erythrocytosis-in-the-prediction-of-postoperative-blood-loss-and-30-day-mortality-in-patients-with-tetralogy-of-fallot
#9
Jhon Harold Guevara, Andres Zorrilla-Vaca, Gloria C Silva-Gordillo
BACKGROUND: Postoperative major bleeding is a relatively common complication of patients undergoing corrective surgery of tetralogy of Fallot (TOF). Life-threatening blood losses can lead to aggressive transfusions or reoperation. Little is known about the risk factors associated with a bleeding tendency in TOF patients. This study aimed to establish predictive models for postoperative blood loss and mortality in TOF patients. METHODS: We conducted a retrospective observational study involving patients with TOF who were posted for corrective cardiac surgery in a single hospital between 2010 and 2015...
April 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28376131/dietary-and-genetic-influences-on-hemostasis-in-a-yup-ik-alaska-native-population
#10
Nicholas T Au, Morayma Reyes, Bert B Boyer, Scarlett E Hopkins, Jynene Black, Diane O'Brien, Alison E Fohner, Joe Yracheta, Timothy Thornton, Melissa A Austin, Wylie Burke, Kenneth E Thummel, Allan E Rettie
Fish and marine animals are important components of the subsistence diet of Alaska Native people, resulting in a high ω3 PUFA intake. The historical record for circumpolar populations highlights a tendency for facile bleeding, possibly related to ω3 PUFA effects on platelet activation and/or vitamin K-dependent clotting factors. To evaluate these two scenarios in Yup'ik people of southwestern Alaska, we examined the association between dietary ω3 PUFA intake and activities of clotting factor II, V, fibrinogen, PT, INR, PTT, and sP-selectin in 733 study participants, using the nitrogen isotope ratio of red blood cells as a biomarker of ω3 PUFA consumption...
2017: PloS One
https://www.readbyqxmd.com/read/28362061/chlorhexidine-mouthrinse-as-an-adjunctive-treatment-for-gingival-health
#11
REVIEW
Patrice James, Helen V Worthington, Carmel Parnell, Mairead Harding, Thomas Lamont, Andrea Cheung, Helen Whelton, Philip Riley
BACKGROUND: Dental plaque associated gingivitis is a reversible inflammatory condition caused by accumulation and persistence of microbial biofilms (dental plaque) on the teeth. It is characterised by redness and swelling of the gingivae (gums) and a tendency for the gingivae to bleed easily. In susceptible individuals, gingivitis may lead to periodontitis and loss of the soft tissue and bony support for the tooth. It is thought that chlorhexidine mouthrinse may reduce the build-up of plaque thereby reducing gingivitis...
March 31, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28359136/point-of-care-testing-in-burn-patients
#12
Marion Wiegele, Sibylle Kozek-Langenecker, Eva Schaden
Severe burn injury has an impact on the coagulation system, but a unique definition regarding these changes is still missing. The results of conventional coagulation assays (CCAs) measured in daily clinical practice are often interpreted as coagulopathic, which implies a bleeding tendency. However, viscoelastic coagulation assays (VCA) like Rotational Thromboelastometry (ROTEM) and Thromboelastography (TEG) depict a hypercoagulable state. Therefore, hemostatic interventions should not be indicated according to deranged CCA results, but only in case of clinically relevant bleeding plus indicative VCA results...
March 30, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28358995/use-of-microfluidics-to-assess-the-platelet-based-control-of-coagulation
#13
Magdolna Nagy, Johan W M Heemskerk, Frauke Swieringa
This paper provides an overview of the various types of microfluidic devices that are employed to study the complex processes of platelet activation and blood coagulation in whole blood under flow conditions. We elaborate on how these devices are used to detect impaired platelet-dependent fibrin formation in blood from mice or patients with specific bleeding disorders. We provide a practical guide on how to assess formation of a platelet-fibrin thrombus under flow, using equipment that is present in most laboratories...
March 30, 2017: Platelets
https://www.readbyqxmd.com/read/28358663/a-retrospective-evaluation-of-partial-glossectomy-for-early-tongue-cancer-using-a-carbon-dioxide-laser
#14
Akira Kimoto, Hiroaki Suzuki, Junya Yamashita, Junichiro Takeuchi, Kousuke Matsumoto, Yui Enomoto, Takahide Komori
OBJECTIVE: The purpose of this study was to retrospectively evaluate the postoperative results of partial glossectomy for early tongue cancer using a carbon dioxide laser (CO2 laser). BACKGROUND DATA: CO2 lasers are frequently used for the excision or treatment of soft tissue in a range of diseases, including oral cancer, leukoplakia, mucocele, anomalies of the labial and lingual frenum, and peri-implantitis. MATERIALS AND METHODS: We retrospectively reviewed 31 primary cases of early superficial tongue cancer that were treated using CO2 lasers...
March 30, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28335035/a-novel-cisd2-mutation-associated-with-a-classical-wolfram-syndrome-phenotype-alters-ca2-homeostasis-and-er-mitochondria-interactions
#15
Cécile Rouzier, David Moore, Cécile Delorme, Sandra Lacas-Gervais, Samira Ait-El-Mkadem, Konstantina Fragaki, Florence Burté, Valérie Serre, Sylvie Bannwarth, Annabelle Chaussenot, Martin Catala, Patrick Yu-Wai-Man, Véronique Paquis-Flucklinger
Wolfram syndrome (WS) is progressive neurodegenerative disease characterized by early-onset optic atrophy and diabetes mellitus, which can be associated with more extensive central nervous system and endocrine complications. The majority of patients harbour pathogenic WFS1 mutations, but recessive mutations in a second gene, CISD2, have been described in a small number of families with Wolfram syndrome type 2 (WFS2). The defining diagnostic criteria for WFS2 also consist of optic atrophy and diabetes mellitus, but unlike WFS1, this phenotypic subgroup has been associated with peptic ulcer disease and an increased bleeding tendency...
March 6, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28326034/the-presence-of-previous-cerebral-microbleeds-has-a-negative-effect-on-hypertensive-intracerebral-hemorrhage-recovery
#16
Kang Yang, Yulan Feng, JinJin Mu, Ningzhen Fu, Shufen Chen, Yi Fu
Background and Purpose: Cerebral microbleeds are an intracerebral microangiopathy with bleeding tendency found in intracerebral hemorrhage patients. However, studies about cerebral microbleed effects on the prognosis of hypertensive intracerebral hemorrhage patients are rare. We performed a prospective study to discuss not only the risk factors of cerebral microbleed incidence in hypertensive intracerebral hemorrhage patients but also the relevance of cerebral microbleeds with silent brain infarction, hemorrhage and prognosis...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28321852/active-matrix-metalloproteinase-8-and-periodontal-bacteria-depending-on-periodontal-status-in-patients-with-rheumatoid-arthritis
#17
A Kirchner, J Jäger, B Krohn-Grimberghe, S Patschan, T Kottmann, G Schmalz, R F Mausberg, R Haak, D Ziebolz
BACKGROUND AND OBJECTIVES: The aim of this clinical cross-sectional study was to determine the level of active matrix metalloproteinase-8 (aMMP-8) and periodontal pathogenic bacteria in gingival crevicular fluid in patients with rheumatoid arthritis (RA) with varying periodontal conditions. MATERIAL AND METHODS: In total, 103 patients with RA and 104 healthy controls (HC) were included. The assessment of periodontal status included periodontal probing depth, bleeding on probing and clinical attachment loss...
March 21, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28316091/2b-or-not-2b-a-prothrombotic-tendency-masquerading-as-a-bleeding-disorder
#18
Yvonne Brennan, Jennifer Curnow, Emmanuel J Favaloro
No abstract text is available yet for this article.
March 17, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28306198/plasma-levels-of-plasminogen-activator-inhibitor-1-and-bleeding-phenotype-in-patients-with-von-willebrand-disease
#19
S Abdul, J Boender, J J M C Malfliet, J Eikenboom, K Fijn van Draat, E P Mauser-Bunschoten, K Meijer, J de Meris, B A P Laros-van Gorkom, J G van der Bom, F W G Leebeek, D C Rijken, S Uitte de Willige
INTRODUCTION: von Willebrand disease (VWD) is the most common inherited bleeding disorder. In VWD patients, large variations in bleeding tendency are observed, which cannot be completely explained by the variation in von Willebrand factor levels or activities. Thus, there must be additional factors, for instance, changes in fibrinolysis that have an effect on the variation in bleeding tendency in VWD patients. AIM: To investigate whether plasminogen activator inhibitor-1 (PAI-1) level influences the variation in bleeding tendency in VWD patients...
March 17, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28296243/measurement-of-platelet-aggregation-independent-of-patient-platelet-count-a-flow-cytometric-approach
#20
Pernille Just Vinholt, Henrik Frederiksen, Anne-Mette Hvas, Ulrik Sprogøe, Christian Nielsen
BACKGROUND: Methods for testing platelet aggregation in thrombocytopenia are missing. OBJECTIVE: To establish a flow cytometric test of in vitro platelet aggregation independent of the patient platelet count and examined the association of aggregation with bleeding history in thrombocytopenic patients. PATIENTS/METHODS: We established a flow cytometric assay of platelet aggregation and measured samples from healthy individuals pre-incubated with antiplatelet drugs and samples from two patients with inherited platelet disorders...
March 15, 2017: Journal of Thrombosis and Haemostasis: JTH
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