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https://www.readbyqxmd.com/read/28191906/intracardiac-echocardiography-for-verification-for-left-atrial-appendage-thrombus-presence-detected-by-transesophageal-echocardiography-the-actionice-ii-study
#1
Jakub Baran, Beata Zaborska, Roman Piotrowski, Malgorzata Sikora-Frąc, Ewa Pilichowska-Paszkiet, Piotr Kułakowski
BACKGROUND: Transesophageal echocardiography (TEE) remains the gold standard for exclusion of left atrial appendage (LAA) thrombus in patients scheduled for direct electrical cardioversion (DEC) or atrial fibrillation (AF) ablation. Recently, intracardiac echocardiography (ICE) of the pulmonary artery (PA) has been shown to provide excellent LAA images and to be useful in verification of equivocal TEE findings. HYPOTHESIS: ICE of the PA may have a role in detecting false-positive TEE results...
February 13, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28184347/intra-arterial-thrombolysis-for-central-retinal-artery-occlusion-after-the-coil-embolization-of-paraclinoid-aneurysm
#2
Minwook Yoo, Sung-Chul Jin, Hae Yu Kim, Byeong-Sam Choi
The most common complication of coil embolization for cerebral aneurysms is thrombo-embolic stroke; in rare cases, these strokes, can present with central retinal artery occlusion. At our institution, a 53-year-old woman underwent stent-assisted coiling of the aneurysm. The patient's vision was improved immediately after intra-arterial thrombolysis and had further improved 8 months later. This report describes our experience of a rare case of central retinal artery occlusion after coil embolization that was successfully treated by intra-arterial thrombolysis...
December 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/28181217/hypercoagulability-and-migraine
#3
Gretchen E Tietjen, Stuart A Collins
BACKGROUND: A growing body of literature suggests that migraineurs, particularly those with aura, have an increased risk for ischemic stroke, but not via enhanced atherosclerosis. The theory that micro-emboli induced ischemia provokes cortical spreading depression (ie, symptomatic aura) in migraineurs but transient ischemic attacks in others highlights a potential role for hypercoagulability as a link between migraine (with aura) and stroke. AIM: Our objective is to summarize the literature evaluating the association of migraine with various acquired or inheritable thrombophilic states, including those related to elevated estrogen levels, endothelial activation and dysfunction, antiphospholipid antibodies (aPL), deficiency of coagulation inhibitors, and presence of certain genetic polymorphisms...
February 9, 2017: Headache
https://www.readbyqxmd.com/read/28174658/making-safer-preoperative-arrangements-for-patients-using-vitamin-k-antagonists
#4
Joris van Fessem, Jessica Willems, Marieke Kruip, Sanne Hoeks, Robert Jan Stolker
Use of vitamin K antagonists creates a risk for patient health and safety. The Dutch framework "Nationwide Standard Integrated Care of Anticoagulation" propagates a shared plan and responsibility by surgeon and anesthesiologist together in the preoperative setting. In our institution, this framework had not been implemented. Therefore, a quality-improvement project was started at the Anesthesia Department to improve perioperative safety. After exploration of barriers, multiple interventions were carried out to encourage co-workers at the preoperative screening department to take shared responsibility: distribution of prints, adjustments in electronic patient records, introduction of a protocol and education sessions...
2017: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/28153461/purification-structural-characterization-and-anticoagulant-properties-of-fucosylated-chondroitin-sulfate-isolated-from-holothuria-mexicana
#5
Jiaojiao Mou, Cong Wang, Wenjing Li, Jie Yang
A novel fucosylated chondroitin sulfate (HmG) was isolated from sea cucumber Holothuria mexicana, the structure of which was characterized by monosaccharide composition, disaccharide composition, IR, (1)H and (13)C NMR spectrum, additionally with two dimensional NMR spectrum of degraded HmG (DHmG). The backbone of HmG was identified as chondroitin 6-O sulfate, while the major O-4 sulfated fucose branches linked to O-3 position of glucuronic acid in almost every disaccharide unit. The anticoagulant activities of HmG and DHmG were assessed and compared with heparin and low molecular weight heparin...
January 30, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28149566/utility-of-thrombophilia-testing-in-patients-with-venous-thrombo-embolism
#6
Masataka Kudo, Huang L Lee, Ian A Yang, Philip J Masel
BACKGROUND: Clinical practice of thrombophilia testing those with venous thrombo-embolism (VTE) in public hospitals may not be consistent with the international guidelines. This study aims to assess whether practice of thrombophilia testing in two public hospitals are consistent with international guidelines, and to assess whether certain groups of patients were more likely to benefit from testing. METHODS: A retrospective audit on patients who presented to two Queensland public hospitals from August 2011 to September 2012 with VTE...
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28148844/the-tip-of-the-thrombos-is-berg
#7
Monica L Hulbert
A high risk of venous thromboembolic events is just one of the challenges faced by people with malignant brain tumors.
February 1, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28109273/blocking-of-platelet-glycoprotein-receptor-ib-reduces-thrombo-inflammation-in-mice-with-acute-ischemic-stroke
#8
Michael K Schuhmann, Josua Guthmann, Guido Stoll, Bernhard Nieswandt, Peter Kraft, Christoph Kleinschnitz
BACKGROUND: Ischemic stroke causes a strong inflammatory response that includes T cells, monocytes/macrophages, and neutrophils. Interaction of these immune cells with platelets and endothelial cells facilitates microvascular dysfunction and leads to secondary infarct growth. We recently showed that blocking of platelet glycoprotein (GP) receptor Ib improves stroke outcome without increasing the risk of intracerebral hemorrhage. Until now, it has been unclear whether GPIb only mediates thrombus formation or also contributes to the pathophysiology of local inflammation...
January 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28077416/platelet-secretion-is-crucial-to-prevent-bleeding-in-the-ischemic-brain-but-not-in-the-inflamed-skin-or-lung-in-mice
#9
Carsten Deppermann, Peter Kraft, Julia Volz, Michael K Schuhmann, Sarah Beck, Karen Wolf, David Stegner, Guido Stoll, Bernhard Nieswandt
Platelets maintain hemostasis after injury, but also during inflammation. Recent studies have shown that platelets prevent inflammatory bleeding through (hem)ITAM-dependent mechanisms irrespective of aggregation during skin and lung inflammation. While the exact mechanisms underlying this process remain unknown, it was speculated that mediators released from platelet granules might be involved. Maintaining cerebral hemostasis during stroke treatment is of high clinical relevance as hemorrhage may aggravate the disease state and increase mortality...
January 11, 2017: Blood
https://www.readbyqxmd.com/read/28074295/-neuraxial-anaesthesia-and-noacs
#10
T Standl
BACKGROUND: Cardiovascular comorbidities in surgical patients are frequent and have a substantial impact on the postoperative outcome. Neuraxial blockades are able to reduce perioperative morbidity and mortality. The increasing use of new oral anticoagulants (NOAC) requires a high level of attention, especially in patients undergoing neuraxial blockades or requiring postoperative analgesia. OBJECTIVE: The goal of this article is to present the benefit of neuraxial anaesthesia and analgesia in patients with cardiovascular risks and perioperative management of NOAC in this setting...
January 10, 2017: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/28062137/direct-oral-anti-coagulants-compared-with-vitamin-k-inhibitors-and-low-molecular-weight-heparin-for-the-prevention-of-venous-thromboembolism-in-patients-with-cancer-a-meta-analysis-study
#11
REVIEW
Natale Daniele Brunetti, Enrico Gesuete, Luisa De Gennaro, Michele Correale, Pasquale Caldarola, Antonio Gaglione, Matteo Di Biase
BACKGROUND: Prior meta-analysis studies showed that direct oral anticoagulants (DOAs) are as effective and safe as warfarin for the prevention of recurrences in patients with venous thrombo-embolism(VTE) and cancer. However, randomized studies also showed that low-molecular-weight-heparin (LMWH) performs better than warfarin in subjects with cancer. We therefore aimed to assess whether, even after pooling data with warfarin and LMWH, the use of DOAs remains safe and effective. METHODS: We performed a meta-analysis of randomized controlled trials with the aim of assessing the efficacy and safety of DOAs in patients with VTE and cancer...
March 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28053388/prevalence-of-deep-vein-thrombosis-in-patients-with-lower-limb-trauma
#12
Chirag S Kapoor, Ashit K Mehta, Krunal Patel, Paresh P Golwala
INTRODUCTION: Venous thrombo-embolism (VTE), which consists of deep vein thrombosis (DVT) and pulmonary embolism, is a potentially fatal condition. According to Western literature, DVT of lower limb veins is one of the most common complications following surgeries for lower limb. Few studies have been published from India on the subject and little is known about the true prevalence of the DVT and hence there are no clear guidelines regarding the prophylaxis for DVT for Indian patients...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28042639/the-saudi-clinical-practice-guideline-for-the-prophylaxis-of-venous-thromboembolism-in-long-distance-travelers
#13
Fahad M Al-Hameed, Hasan M Al-Dorzi, Mohamed A Abdelaal, Ali Alaklabi, Ebtisam Bakhsh, Yousef A Alomi, Mohammad Al Baik, Salah Aldahan, Holger Schünemann, Jan Brozek, Wojtek Wiercioch, Andrea J Darzi, Reem Waziry, Elie A Akl
Venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE), is a preventable disease. Long distant travelers are prone to variable degree to develop VTE. However, the low risk of developing VTE among long-distance travelers and which travelers should receive VTE prophylaxis, and what prophylactic measures should be used led us to develop these guidelines. These clinical practice guidelines are the result of an initiative of the Ministry of Health of the Kingdom of Saudi Arabia involving an expert panel led by the Saudi Association for Venous Thrombo Embolism (a subsidiary of the Saudi Thoracic Society)...
January 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28035582/endothelial-dysfunction-and-hypertension
#14
Dildar Konukoglu, Hafize Uzun
In the past, endothelium was thought to be only a mechanical barrier. Today, endothelium is known to be a tissue regulating vascular tone, cell growth and the interaction between the leukocytes, thrombocytes and the vessel wall. It also synthesizes growth factors and thrombo-regulatory molecules and responds to physical and chemical signals. Even though the term "endothelial dysfunction" is generally used for deterioration of endothelium-dependent vasodilatation; the term also includes the abnormalities between endothelium and leukocytes, thrombocytes and regulatory molecules and conditions resulting in aberrant endothelium activation...
December 30, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27999328/the-dual-role-of-neutrophils-in-inflammatory-bowel-diseases
#15
REVIEW
Odile Wéra, Patrizio Lancellotti, Cécile Oury
Inflammatory bowel diseases (IBD), including Crohn's disease and ulcerative colitis, are characterised by aberrant immunological responses leading to chronic inflammation without tissue regeneration. These two diseases are considered distinct entities, and there is some evidence that neutrophil behaviour, above all other aspects of immunity, clearly separate them. Neutrophils are the first immune cells recruited to the site of inflammation, and their action is crucial to limit invasion by microorganisms. Furthermore, they play an essential role in proper resolution of inflammation...
December 17, 2016: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/27976734/the-unravelling-of-the-genetic-architecture-of-plasminogen-deficiency-and-its-relation-to-thrombotic-disease
#16
Laura Martin-Fernandez, Pascual Marco, Irene Corrales, Raquel Pérez, Lorena Ramírez, Sonia López, Francisco Vidal, José Manuel Soria
Although plasminogen is a key protein in fibrinolysis and several mutations in the plasminogen gene (PLG) have been identified that result in plasminogen deficiency, there are conflicting reports to associate it with the risk of thrombosis. Our aim was to unravel the genetic architecture of PLG in families with plasminogen deficiency and its relationship with spontaneous thrombotic events in these families. A total of 13 individuals from 4 families were recruited. Their genetic risk profile of thromboembolism was characterized using the Thrombo inCode kit...
December 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27929199/platelets-as-a-novel-source-of-gremlin-1-implications-for-thromboinflammation
#17
Madhumita Chatterjee, Alexander Behrendt, Martina Schmid, Sandra Beck, Martina Schneider, Andreas Mack, Iris Müller, Tobias Geisler, Meinrad Gawaz
Platelets mediating haemostasis-thrombosis are central players in coronary artery disease (CAD). We characterised platelets as a novel source of Gremlin-1. Platelets express Gremlin-1 like inflammatory and endothelial cells. Gremlin-1 co-localised with P-selectin containing randomly distributed α-granules under resting state, which were peripheralised following platelet activation or adhesion over fibrinogen-coated surface. Gremlin-1 release upon activation with ADP, CRP, and TRAP was detected as enhanced surface expression; also in activated platelet supernatant as detected by Western Blot following CRP activation and by ELISA upon activation with ADP, CRP, PAR-1, and PAR4 agonist...
December 8, 2016: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/27918318/alternative-treatment-for-residual-aortobronchial-fistula-after-thoracic-endovascular-aortic-repair
#18
Kosuke Ujihira, Yoshihiko Kurimoto, Ryushi Maruyama, Yutaka Iba, Naritomo Nishioka, Akira Yamada, Katsuhiko Nakanishi, Hiroaki Kato, Masaru Abe, Yoshiaki Narita, Masayuki Osawa
A patient with an aortobronchial fistula secondary to a thoracic endovascular aortic repair was successfully treated with a re-thoracic endovascular aortic repair with debranching technique. Five months postoperatively, the aneurysm had shrunk; however, computed tomography revealed air in the thrombo-excluded aortic aneurysmal sac without signs of infection. Because of worsening air finding at the eighth month, we performed a resection of the residual fistula and wrapped the stent graft in a pedicled muscle flap...
November 2016: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/27913489/platelets-in-infectious-disease
#19
Elizabeth Middleton, Matthew T Rondina
Sepsis is a dynamic, acute, infectious disease syndrome characterized by dysregulated thrombo-inflammatory responses. The high mortality associated with sepsis has been recognized since the earliest clinicians' writings. Despite this, advances in the treatment of sepsis have been more modest. This is limited, in part, by the heterogeneity in the definition, population, presentation, and causal factors of infectious syndromes. Given the persistently high morbidity and mortality associated with sepsis, a better understanding of the dysregulated cellular biology underpinning sepsis is needed...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27906850/isolated-hypoglossal-nerve-palsy-mimicking-a-base-of-tongue-tumor
#20
Daniela Francesca Nestola, Mariangela Lombardi, Matteo Brucoli, Francesco Pia, Paolo Aluffi
Isolated paralysis of hypoglossal nerve is uncommon, generally being associated with other neuropathies. A careful differential diagnosis is necessary to recognize the underlying diseases, some of which can be life-threatening. The authors report a patient of an 80-year-old woman presenting with an isolated hypoglossal palsy, mimicking a tongue neoplasm. Through a careful clinical workup and thanks to the aid of the imaging, it was possible to identify the presence of signal alterations due to a subacute denervation of the affected hemitongue and to exclude the presence of a tumor...
January 2017: Journal of Craniofacial Surgery
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