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Hemorrhage and thrombosis

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https://www.readbyqxmd.com/read/28634312/-a-case-of-dural-arteriovenous-fistula-in-the-anterior-cranial-fossa-that-developed-remote-from-the-craniotomy-site-after-surgery
#1
Ichiro Kawahara, Takashi Fujimoto, Makoto Hirose, Keisuke Toyoda, Naoki Kitagawa
Dural arteriovenous fistula(dAVF)is relatively rare, and its etiology remains uncertain. Generally, dAVF is thought to be acquired and has been reported to develop secondary to sinus thrombosis, head injury, infection, and surgery. We report a rare case of dAVF in the anterior cranial fossa that developed remote from the craniotomy site after surgery. A 52-year-old man underwent surgery for hypertensive intracerebral hemorrhage 4 years prior. Perioperative imaging modalities demonstrated no abnormal vascular malformation except for an un-ruptured anterior communicating artery aneurysm...
June 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28632284/benefits-and-risks-of-antithrombotic-therapy-in-essential-thrombocythemia-a-systematic-review
#2
Derek K Chu, Christopher M Hillis, Darryl P Leong, Sonia S Anand, Deborah M Siegal
Background: Patients with essential thrombocythemia (ET) are at high risk for both thrombosis and hemorrhage. Purpose: To evaluate the risks and benefits of antithrombotic therapy in adults with ET. Data Sources: Multiple databases, including MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials, through 4 March 2017. Study Selection: Randomized and observational studies of antiplatelet or anticoagulant therapy, published in any language and reporting thrombotic or hemorrhagic events...
June 27, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28629627/direct-oral-anticoagulants-in-patients-with-cervical-artery-dissection-and-cerebral-venous-thrombosis-a-case-series-and-review-of-the-literature
#3
Manuel Cappellari, Paolo Bovi
BACKGROUND: To date, very little is known about the effects of direct oral anticoagulants (DOA) use in patients with cervical artery dissection (CAD) and cerebral venous thrombosis (CVT). We present our initial experience with the use of DOA for CAD and CVT and an overview of the published literature. METHODS: From our database, we identified 4 patients who received DOA after CAD and 4 patients after CVT. Also, we analyzed the data reported for 45 patients who received DOA after CAD and 23 after CVT from review of the literature...
June 13, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28625242/-clinical-significance-of-combined-detection-of-peripheral-mir-182-and-il-17-in-the-early-diagnosis-of-patients-with-eclampsia-complicated-with-cerebral-infarction-in-icu
#4
Lina Zhang, Tiejun Wu, Dawei Wu, Yanjun Liu, Min Bai, Shuangfeng Chen
OBJECTIVE: To observe the effect of peripheral blood microRNA-182 (miR-182) combined with interleukin-17 (IL-17) in the early diagnosis of cerebral infarction (CI) in patients with eclampsia. METHODS: A prospective non-randomized controlled study was conducted. The patients with eclampsia admitted to intensive care unit (ICU) of Liaocheng People's Hospital from January 1st, 2013 to September 30th 2016 were enrolled. Cerebral imaging was conducted in 7 days after admission to make a definite diagnosis of the occurrence of CI, excluding patients with cerebral hemorrhage...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28620756/preliminary-data-on-utility-of-subcutaneous-unfractionated-heparin-in-patients-with-deep-cerebral-venous-thrombosis
#5
Girish Baburao Kulkarni, Abbas Masoom Mirza, Subasree Ramakrishnan, Veerendrakumar Mustare
Subcutaneous unfractionated heparin (SCUFH) has been proved effective in puerperal cerebral venous thrombosis (CVT), but its efficacy in the more serious form of the disease such as deep CVT patients (DCVT) unreported. We describe the outcomes of 37 (isolated:combined: 11:26) patients of DCVT diagnosed by MRI, treated with SCUFH in a tertiary care stroke unit. It was a prospective observational cohort study using 5000 U of SCUFH every 6 hourly for 10 days with oral Acenocoumarol started on day 7, with monitoring...
June 15, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28611833/open-label-phase-i-clinical-study-to-assess-the-safety-and-efficacy-of-cilostazol-in-patients-undergoing-internal-carotid-artery-stent-placement
#6
Ameer E Hassan, Haralabos Zacharatos, Mikayel Grigoryan, Wondwossen G Tekle, Amir Khan, Farhan Siddiq, Gustavo J Rodriguez, Ramachandra Tummala, Bharathi Jagadeesan, M Fareed K Suri, Adnan I Qureshi
BACKGROUND: One-month dual antiplatelet treatment, with aspirin and clopidogrel, following internal carotid artery stent placement is the current standard of care to prevent in-stent thrombosis. Cilostazol, an antiplatelet drug, has been demonstrated to have a safety profile comparable to aspirin and clopidogrel. OBJECTIVE: To evaluate the safety and clinical efficacy of cilostazol and aspirin therapy following internal carotid artery stent placement up to 1 month postprocedure...
March 2017: Interventional Neurology
https://www.readbyqxmd.com/read/28611097/epidemiology-endovascular-treatment-and-prognosis-of-cerebral-venous-thrombosis-us-center-study-of-152-patients
#7
Kristin Salottolo, Jeffrey Wagner, Donald F Frei, David Loy, Richard J Bellon, Kathryn McCarthy, Judd Jensen, Christopher Fanale, David Bar-Or
BACKGROUND: Cerebral venous thrombosis is a rare cause of stroke that poses diagnostic, therapeutic, and prognostic challenges. Mainstay treatment is systemic anticoagulation, but endovascular treatment is increasingly advocated. Our objectives were to describe the epidemiology, treatment, and prognosis of 152 patients with cerebral venous thrombosis. METHODS AND RESULTS: This was a retrospective study of consecutive cerebral venous thrombosis cases from 2006 to 2013 at a comprehensive stroke center through hospital discharge...
June 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28610742/interventional-treatment-for-hepatic-artery-thrombosis-after-liver-transplantation
#8
Hua Zhang, Sheng Qian, Rong Liu, Wei Yuan, Jian-Hua Wang
PURPOSE: To evaluate short-term and long-term effectiveness of interventional treatment for hepatic artery thrombosis (HAT). MATERIALS AND METHODS: From March 2003 to October 2015, 34 patients (32 male and 2 female; mean age, 45 y; range 7-64 y) with HAT were identified 0-21d (mean 6.5 d ± 6.0) after liver transplantation and underwent interventional treatments. Technical success, clinical success, complications, hepatic artery patency, and survival time were assessed...
June 11, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28606795/endothelium-independent-primitive-myxoid-vascularization-creates-invertebrate-like-channels-to-maintain-blood-supply-in-optic-gliomas
#9
Matija Snuderl, Guoan Zhang, Pamela Wu, Tara S Jennings, Seema Shroff, Valerio Ortenzi, Rajan Jain, Benjamin Cohen, Jason J Reidy, Mitchell S Dushay, Jeffrey H Wisoff, David H Harter, Matthias A Karajannis, David Fenyo, Thomas A Neubert, David Zagzag
Optic gliomas are brain tumors characterized by slow growth, progressive loss of vision, and limited therapeutic options. Optic gliomas contain various amounts of myxoid matrix, which can represent most of the tumor mass. We sought to investigate biological function and protein structure of the myxoid matrix in optic gliomas to identify novel therapeutic targets. We reviewed histological features and clinical imaging properties, analyzed vasculature by immunohistochemistry and electron microscopy, and performed liquid chromatography-mass spectrometry on optic gliomas, which varied in the amount of myxoid matrix...
June 9, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28606660/the-addition-of-endovascular-intervention-for-dural-venous-sinus-thrombosis-single-center-experience-and-review-of-literature
#10
Eric M Nyberg, David Case, Lidia M Nagae, Justin M Honce, William Reyenga, Joshua Seinfeld, Sharon Poisson, Michelle H Leppert
BACKGROUND: Dural venous sinus thrombosis (DVST) is a cause of infarction and intracranial hemorrhage (ICH) that can lead to significant morbidity. Endovascular therapy has emerged as an adjunctive therapy in select cases but has been associated with increased hemorrhagic complications. We present our experience with a large single-center cohort of DVST cases treated with current-generation thrombectomy devices. MATERIALS AND METHODS: In this retrospective cohort study, a chart review was performed to compare presentations and outcomes of patients treated with anticoagulation alone with those treated with additional interventional therapy, using the modified Rankin Scale (mRS) score at discharge and at 90 days' follow-up...
June 9, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28604570/successful-treatment-of-pediatric-ventricular-assist-device-thrombosis
#11
Devin Chetan, Holger Buchholz, Mary Bauman, Vijay Anand, Paula Holinski, Jennifer Conway
Pump thrombosis represents a significant cause of morbidity and mortality in patients on continuous flow ventricular assist devices (CF-VAD). Pump thrombosis in the pediatric CF-VAD population has been reported between 11% and 44%, with the largest reported series from the PediMACS registry reporting a rate of approximately 15%. We report our early experience with four pediatric patients who developed pump thrombosis on a CF-VAD. Our limited experience suggests that the treatment of pediatric VAD thrombosis can be approached with similar principles to the adult population...
June 7, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28596648/the-impact-of-mean-platelet-volume-mpv-and-jak-2-mutation-on-thrombosis-in-chronic-myeloproliferative-diseases
#12
Mesut Ayer, İlhan Menken, Mehmet Yamak, Fatma Aylin Ayer, Onur Kırkızlar, M Burak Aktuğlu
Thrombosis and bleeding are the main complications of chronic myeloproliferative diseases. Mean platelet volume (MPV) is an important indicator of the platelet activation. The aim of the present study was to assess the interrelationships between MPV, JAK-2 gene mutation and thromboembolic events in patients with ET and PV. Patients with ET (n = 60) and PV (n = 46) were compared to the secondary erythrocytosis group (n = 19); and a control group of age and sex matched healthy volunteers (n = 52). Besides demographic, clinical and laboratory data; thrombotic and hemorrhagic events were recorded for each patient...
June 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28596377/trowaglerix-venom-polypeptides-as-a-novel-antithrombotic-agent-by-targeting-immunoglobulin-like-domains-of-glycoprotein-vi-in-platelet
#13
Chien-Hsin Chang, Ching-Hu Chung, Yi-Shu Tu, Cheng-Chieh Tsai, Chun-Chieh Hsu, Hui-Chin Peng, Yufeng J Tseng, Tur-Fu Huang
OBJECTIVE: Currently prescribed antiplatelet drugs have 1 common side effect-an increased risk of hemorrhage and thrombocytopenia. On the contrary, bleeding defects associated with glycoprotein VI (GPVI) expression deficiency are usually slightly prolonged bleeding times. However, GPVI antagonists are lacking in clinic. APPROACH AND RESULTS: Using reverse-phase high-performance liquid chromatography and sequencing, we revealed the partial sequence of trowaglerix α subunit, a potent specific GPVI-targeting snaclec (snake venom C-type lectin protein)...
June 8, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28595811/acute-distal-migration-of-a-flow-diverting-stent
#14
David Dornbos, Ciarán J Powers
The introduction of flow diverting stents, particularly for treatment of petrous to supraclinoid internal carotid artery aneurysms, has greatly impacted endovascular treatment of intracranial aneurysms. Despite their high efficacy, complications, such as ischemic events, distal hemorrhage, or problems with stent deployment, remain a significant concern. We present the first reported case of acute distal migration of a Pipeline Embolization Device (PED). A 24-year old female underwent elective placement of a PED for treatment of a left paraclinoid internal carotid artery aneurysm...
June 5, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28593162/extravascular-migration-of-a-fractured-inferior-vena-cava-filter-strut
#15
Jung Hyeon Lim, Weon Yong Lee, Yong Joon Ra, Jae Han Jeong, Bong Suk Park, Ho Hyun Ko
A 20-year-old man presented with a femur fracture and epidural hemorrhage (EDH) following a fall. One month after fracture surgery, swelling developed in both legs, and he was diagnosed as having a deep-vein thrombosis and pulmonary embolism. A retrievable inferior vena cava filter (IVCF) was inserted, because EDH is a contraindication to anticoagulants. Four months later, he complained of abdominal pain, and a computed tomography scan showed a fractured IVCF strut. After percutaneous removal failed 3 times, the IVCF was surgically removed by orthopedists using a portable image intensifier without cardiopulmonary bypass...
June 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28588188/a-young-boy-with-l-asparaginase-induced-seizure
#16
M A Aziz, N K Singh, M H Rahman, M R Khan, A L Kabir, M Begum
L-Asparaginase is a critical component in the treatment of acute lymphoblastic leukemia in children. It is known to cause coagulation abnormalities, thrombosis and hemorrhage in the central nervous system in addition to vasculitis and hypersensitivity reactions. This syndrome generally occurs after a few weeks of therapy and may occur after L-asparaginase therapy is completed. Seizures are uncommon symptoms. We report a case of seizure associated with L-asparaginase therapy but no evidence of hemorrhagic or thrombotic cerebrovascular events, completed in the department of Hematology of Bangabandhu Sheikh Mujib Medical University during March & April 2016...
April 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28585070/thromboses-and-hemorrhages-are-common-in-mpn-patients-with-high-jak2v617f-allele-burden
#17
Irene Bertozzi, Giulia Bogoni, Giacomo Biagetti, Elena Duner, Anna Maria Lombardi, Fabrizio Fabris, Maria Luigia Randi
The most common causes of morbidity and mortality in myeloproliferative neoplasms (MPN) are thrombotic and hemorrhagic complications. The JAK2V617F mutation, commonly found in MPN, correlates with several clinical and laboratory characteristics even if the relevance of JAK2V617F allele burden in the natural history of these diseases is unclear. In this study we searched, a relation between thrombotic and hemorrhagic complications and JAK2V617F allele burden level in MPN patients. We evaluated 253 consecutive MPN [121 essential thrombocythemia (ET), 124 polycythemia vera (PV), and 8 primary myelofibrosis (PMF)] patients in whom the JAK2V617F allele burden was available, all studied and followed (median 8...
June 6, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28583818/a-multicenter-study-of-1144-patients-with-cerebral-venous-thrombosis-the-venost-study
#18
Taskin Duman, Derya Uluduz, Ipek Midi, Hesna Bektas, Yuksel Kablan, Basak K Goksel, Aysel Milanlioglu, Dilek Necioglu Orken, Ufuk Aluclu
BACKGROUND: Based on a number of small observational studies, cerebral venous sinus thrombosis has diverse clinical and imaging features, risk factors, and variable outcome. In a large, multicenter cerebral venous thrombosis (VENOST) study, we sought to more precisely characterize the clinical characteristics of Caucasian patients. METHODS: All data for the VENOST study were collected between the years 2000 and 2015 from the clinical follow-up files. Clinical and radiological characteristics, risk factors, and outcomes were compared in terms of age and sex distribution...
June 2, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28581331/exploring-indications-for-the-use-of-direct-oral-anticoagulants-and-the-associated-risks-of-major-bleeding
#19
Truman J Milling, Jennifer Frontera
Thrombosis is a leading cause of morbidity and mortality in the United States. Arterial and venous thromboses are implicated in the pathogenesis of major disorders, including myocardial infarction, ischemic stroke, and venous thromboembolism. Over the past decade, direct oral anticoagulants (DOACs) (eg, direct thrombin inhibitor and factor Xa [FXa] inhibitors) have been adopted as alternatives to warfarin due to their clinical advantages and efficacy for the treatment of thrombosis. As with all anticoagulants, treatment with DOACs is associated with a risk of major bleeding, including life-threatening gastrointestinal bleeds and intracranial hemorrhages (ICHs)...
April 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/28578513/the-role-of-fv-1691g-a-fii-20210g-a-mutations-and-mthfr-677c-t-1298a-c-and-103g-t-fxiii-gene-polymorphisms-in-pathogenesis-of-intraventricular-hemorrhage-in-infants-born-before-32-weeks-of-gestation
#20
Dawid Szpecht, Janusz Gadzinowski, Agnieszka Seremak-Mrozikiewicz, Grażyna Kurzawińska, Krzysztof Drews, Marta Szymankiewicz
BACKGROUND: Congenital thrombophilia is associated with an increased intraventricular hemorrhage (IVH) risk among newborns, but it may also play a protective role. The role of genetic polymorphisms involved in the coagulation pathway of IVH pathogenesis is probably a consequence of an increased risk of thrombosis in the fine blood vessels in the germinal matrix region. MATERIAL AND METHODS: The aim of this study was to evaluate the possible relationship between Factor V (FV) 1691G>A, Factor II (FII) 20210G>A mutations and methylenetetrahydrofolate reductase (MTHFR) 677C>T; 1298A>C and Factor XIII (FXIII) 103G>T gene polymorphisms and the occurrence of IVH in 100 infants born from 24 + 0 to 32 + 0 weeks of gestation, born from singleton pregnancy, before 32 + 0 weeks of gestation, exposed to antenatal steroid therapy, and without congenital abnormalities...
June 3, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
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