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https://www.readbyqxmd.com/read/28454485/cheminformatics-based-anticoagulant-study-of-traditionally-used-medicinal-plants
#1
Mahdi Alikhani Pour, Soroush Sardari, Ali Eslamifar, Abid Azhar, Mohammad Rezvani, Milad Nazari
Backgroung: Medicinal plants, as a complementary medicine, have been used to treat various diseases since ancient times. These plants have numerous beneficial applications and are the source of certain conventional drugs. In diseases such as stroke and ischemia, which are caused by several factors, abnormal coagulation is an important causative factor. Accordingly, novel and effective therapies such as herbal remedies should be practiced to prevent such lethal diseases. Methods: Using the available databases such as Google Scholar and PubMed, the previously reported anticoagulant compounds and plants possessing anticoagulant activity were identified and collected in two separate lists...
April 29, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28454186/distribution-and-clearance-of-blood-constituents-after-intracerebral-hemorrhage-in-rats-mechanisms-and-relevance-for-functional-outcomes
#2
Zhanyin Chen, Yuhang Liang, Fengjian Chen, Haifeng Lin, Yiyi Chen, Guolin He
Background and Objective To evaluate the impact of blood clearance mechanisms on neurologic damage and functional outcomes after intracerebral hemorrhage (ICH) in rats. Methods A rat model of ICH was established through pre-cannulation and injection of autologous arterial blood into the caudate nucleus. Blood was supplemented with 6-amino-caproic acid (a procoagulant), low-molecular-weight heparin (an anticoagulant), or vehicle. Relationships between hematoma volume and edema size and neurologic damage were assessed at different times...
April 28, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28453794/blood-flow-competition-after-aortic-valve-bypass-an-evaluation-using-computational-fluid-dynamics
#3
Koji Kawahito, Naoyuki Kimura, Kenji Komiya, Masanori Nakamura, Yoshio Misawa
OBJECTIVES: Aortic valve bypass (AVB) (apico-aortic conduit) remains an effective surgical alternative for patients in whom surgical aortic valve replacement or transcatheter aortic valve implantation is not feasible. However, specific complications include thrombus formation, possibly caused by stagnation arising from flow competition between the antegrade and retrograde flow, but this has not been fully investigated. The aim of this study was to analyse flow characteristics after AVB and to elucidate mechanisms of intra-aortic thrombus using computational fluid dynamics (CFD)...
May 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28449532/the-future-of-hybrid-ablation-an-emerging-need-for-an-anticoagulation-protocol-for-thoracoscopic-ablation
#4
EDITORIAL
Pavel Osmancik, Petr Budera
The midterm efficacy of hybrid ablation of atrial fibrillation (AF) reported in recent papers is about 70% in terms of sinus rhythm maintenance without antiarrhythmic drugs. Bearing in mind that the majority of patients enrolled are patients with persistent and long-standing persistent AF, the reported efficacies seem to be very good. Despite the high efficacies, safety remains a critical issue in hybrid, and especially thoracoscopic ablations. The frequency of complications during thoracoscopic ablations is more than 10% in the majority of reports...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449505/pulmonary-vein-stump-thrombosis-after-left-pneumonectomy-diagnosed-based-on-a-high-plasma-d-dimer-level-a-case-report
#5
Tomohiro Kamori, Gouji Toyokawa, Tatsuro Okamoto, Yuka Kozuma, Taichi Matsubara, Naoki Haratake, Shinkichi Takamori, Takaki Akamine, Kazuki Takada, Masakazu Katsura, Fumihiro Shoji, Yoshihiko Maehara
A 69-year-old man with locally advanced squamous cell lung cancer in the left hilum underwent left upper sleeve lobectomy following neoadjuvant chemoradiotherapy with an S-1/cisplatin regimen. On postoperative day (POD) 5, the chest X-ray findings deteriorated, and computed tomography (CT) images showed pulmonary congestion of the left residual lung. We then performed emergent left completion pneumonectomy. Although the Postoperative course after re-operation was uneventful, and the patient was scheduled to be discharged on POD 12 when the serum creatinine level and plasma D-dimer level increased to 1...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28448901/tailoring-of-tio2-films-by-h2so4-treatment-and-uv-irradiation-to-improve-anticoagulant-ability-and-endothelial-cell-compatibility
#6
Yuzhen Liao, Linhua Li, Jiang Chen, Ping Yang, Ansha Zhao, Hong Sun, Nan Huang
Surfaces with dual functions that simultaneously exhibit good anticoagulant ability and endothelial cell (EC) compatibility are desirable for blood contact materials. However, these dual functions have rarely been achieved by inorganic materials. In this study, titanium dioxide (TiO2) films were treated by sulphuric acid (H2SO4) and ultraviolet (UV) irradiation successively (TiO2H2SO4-UV), resulting in good anticoagulant ability and EC compatibility simultaneously. We found that UV irradiation improved the anticoagulant ability of TiO2 films significantly while enhancing EC compatibility, though not significantly...
April 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28448204/future-research-opportunities-in-peri-prosthetic-joint-infection-prevention
#7
Elie Berbari, John Segreti, Javad Parvizi, Sandra I Berríos-Torres
Peri-prosthetic joint infection (PJI) is a serious complication of prosthetic joint arthroplasty. A better understanding and reversal of modifiable risk factors may lead to a reduction in the incidence of incisional (superficial and deep) and organ/space (e.g., PJI) surgical site infections (SSI). Recently, the Centers for Disease Control and Prevention (CDC) and the Healthcare Infection Control Practices Advisory Committee (HICPAC) published the Guideline for Prevention of Surgical Site Infection. This targeted update applies evidence-based methodology in drafting recommendations for potential strategies to reduce the risk of SSI both across surgical procedures and specifically in prosthetic joint arthroplasty...
April 27, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28448011/turbidimetry-on-human-washed-platelets-the-effect-of-the-pannexin1-inhibitor-brilliant-blue-fcf-on-collagen-induced-aggregation
#8
Filippo Molica, Séverine Nolli, Pierre Fontana, Brenda Renata Kwak
Turbidimetry is a laboratory technique that is applied to measure the aggregation of platelets suspended in either plasma (platelet-rich plasma, PRP) or in buffer (washed platelets), by the use of one or a combination of agonists. The use of washed platelets separated from their plasma environment and in the absence of anticoagulants allows for studying intrinsic platelet properties. Among the large panel of agonists, arachidonic acid (AA), adenosine di-phosphate (ADP), thrombin and collagen are the most frequently used...
April 6, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447421/clinical-decision-support-for-hematology-laboratory-test-utilization
#9
REVIEW
R Jackups, J J Szymanski, S P Persaud
Clinical decision support (CDS) is the use of information and communication technologies to improve clinical decision making and patient care. CDS applications have been used in many aspects of health care, including medication ordering and diagnostic prediction algorithms. As economic and regulatory pressures place a strain on laboratory resources, the potential of CDS to improve utilization of laboratory testing has also begun to be realized. Hematology and coagulation laboratories stand to gain tremendously from the implementation of CDS interventions, given their mixture of high-volume, low-cost tests (eg CBC, PT, aPTT) and tests that carry a high potential of being misused or misinterpreted (eg lupus anticoagulant, erythrocyte sedimentation rate, heparin-induced thrombocytopenia testing)...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28447415/the-danger-of-relying-on-the-aptt-and-pt-in-patients-on-doac-therapy-a-potential-patient-safety-issue
#10
REVIEW
D M Adcock, R C Gosselin
Prolongation of the activated partial thromboplastin time (APTT) and prothrombin time/international normalized ratio (PT/INR) correlates poorly with plasma concentrations of direct oral anticoagulant agents (DOACS) including direct thrombin and direct Xa inhibitors. It has been repeatedly demonstrated that patients can have normal APTT and PT/INR with a therapeutic plasma concentration of a DOAC. Clinicians can no longer rely on a normal APTT and PT to determine that an anticoagulated patient is safe to undergo an invasive procedure...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28447414/review-of-d-dimer-testing-good-bad-and-ugly
#11
REVIEW
L-A Linkins, S Takach Lapner
D-dimer assays are commonly used in clinical practice to exclude a diagnosis of deep vein thrombosis or pulmonary embolism. More recently, they have been also been used to guide patients with unprovoked venous thromboembolism (VTE) when faced with the decision to continue or stop anticoagulation after initial treatment is complete. D-dimer assays vary widely with respect to the antibody used, method of capture, instrumentation required, and calibration standard. These differences have an important influence on the operating characteristics of the assays...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28447413/laboratory-measurement-of-the-direct-oral-anticoagulants-indications-and-impact-on-management-in-clinical-practice
#12
REVIEW
C Wright, R Brown, A Cuker
Although the direct oral anticoagulants (DOACs) do not require routine laboratory monitoring, there may be special situations in which measurement of drug levels is desirable. There is a paucity of information on how measurement of DOAC levels is used in clinical practice. We conducted a retrospective cohort study of dabigatran, rivaroxaban, and apixaban levels measured at our institution. Of 9793 patients with an active prescription for dabigatran, rivaroxaban, or apixaban in the electronic medical record during the 2...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28446928/thromboelastographic-changes-during-laparoscopic-fundoplication
#13
Indre Zostautiene, Kristina Zvinienė, Darius Trepenaitis, Rolandas Gerbutavičius, Antanas Mickevičius, Rima Gerbutavičienė, Mindaugas Kiudelis
INTRODUCTION: Thromboelastography (TEG) is a technique that measures coagulation processes and surveys the properties of a viscoelastic blood clot, from its formation to lysis. AIM: To determine the possible hypercoagulability state and the effect of antithrombotic prophylaxis on thromboelastogram results and development of venous thrombosis during laparoscopic fundoplication. MATERIAL AND METHODS: The study was performed on 106 patients who were randomized into two groups...
2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/28446766/leukemia-and-risk-of-venous-thromboembolism-a-meta-analysis-and-systematic-review-of-144-studies-comprising-162-126-patients
#14
Ying-Ying Wu, Liang Tang, Ming-Huan Wang
Venous thromboembolism (VTE) has significant clinical implications in leukemia patients. However, the actual frequency of this complication remains unknown. We performed a systematic review and meta-analysis to better estimate the frequency of this complication and to assess the risk factors that contribute to its occurrence. We searched several databases, including PubMed, Embase, and Web of Science, and assessed study quality using the Newcastle-Ottawa scale. The pooled frequency of VTE in leukemia patients was calculated...
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28446469/anticoagulation-for-mechanical-heart-valves-will-oral-factor-xa-inhibitors-be-effective
#15
EDITORIAL
Noel C Chan, Jeffrey I Weitz, John W Eikelboom
No abstract text is available yet for this article.
May 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28446377/external-closed-circuit-cooling-system-for-management-of-patients-after-device-implantation-a-feasibility-study
#16
Fabrizio Giofrè, Paola Ferrari, Cristina Leidi, Maria Laura Foschi, Michele Senni, Paolo De Filippo
BACKGROUND: In the first 24h after pacemaker or implantable cardioverter/defibrillator (ICD) implantation or replacement, the occurrence of hematoma and pain in the surgically treated region is not infrequent and may result in re-intervention and/or more severe complications, such as infections. Currently, the post-implant phase management is very empiric. The aim of this study was to test the clinical applicability and usefulness of an external close-circuit cooling system for the management of the early post-implant period in patients with high risk of hematoma due to anticoagulant and/or antiplatelet therapy...
April 19, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28446364/clinical-and-laboratory-diagnosis-of-heparin-induced-thrombocytopenia-an-update
#17
REVIEW
Emmanuel J Favaloro, Georgia McCaughan, Leonardo Pasalic
Heparin remains a commonly used anticoagulant in prophylaxis and treatment of venous and arterial thrombosis, in addition to ensuring patency of artificial blood circuits such as cardiopulmonary bypass (CPB). Heparin induced thrombocytopenia (HIT) is a rare but potentially fatal complication of heparin therapy that results from production of polyclonal antibodies to heparin in complex, usually with platelet factor 4 (PF4). In a proportion of patients, this causes platelet activation and thrombin generation, which may result in thrombosis...
April 23, 2017: Pathology
https://www.readbyqxmd.com/read/28446351/deep-vein-thrombosis-of-the-upper-extremity
#18
Jan Heil, Wolfgang Miesbach, Thomas Vogl, Wolf O Bechstein, Alexander Reinisch
BACKGROUND: Deep venous thrombosis (DVT) arises with an incidence of about 1 per 1000 persons per year; 4-10% of all DVTs are located in an upper extremity (DVT-UE). DVT-UE can lead to complications such as post-thrombotic syndrome and pulmonary embolism and carries a high mortality. METHODS: This review is based on pertinent literature, published from January 1980 to May 2016, that was retrieved by a systematic search, employing the PRISMA criteria, carried out in four databases: PubMed (n = 749), EMBASE (n = 789), SciSearch (n = 0), and the Cochrane Library (n = 12)...
April 7, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28446315/-research-on-relation-of-platelet-aggregation-rate-with-platelet-concentration-in-platelet-rich-plasma
#19
Song-Mei Han, Wen-Li Liao, Shuai Yu
OBJECTIVE: To explore the effect of platelet concentration in platelet-rich plasma (PRP)' on platelet aggregation rate, to determine the allowed range of inducer adenosine diphosphate (ADP: 5.0 µmol/L, ADP: 1.5 µmol/L) and arachidonic acid (AA: 500.0 µg/ml) for platelet concentration in platelet aggregation rate. METHODS: The venous blood samples of 72 healthy persons with citrate anticoagulation were selected and divided into groups, every 12 cases were mixed for each group...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446026/medical-therapy-before-carotid-endarterectomy
#20
Daniele Bissacco, Michele Carmo, Iacopo Barbetta, Raffaello Dallatana, Piergiorgio G Settembrini
We evaluated the evolution of chronic medical therapy in patients admitted for carotid endarterectomy (CEA) over a 13-year period and to analyze the difference in medical treatment between symptomatic and asymptomatic patients. A retrospective study was conducted on patients treated between 2002 and 2015. The use of antiplatelets (acetylsalicylic acid [ASA], ticlopidine, and clopidogrel), oral anticoagulant therapy (OAT), statins and antihypertensives (angiotensin-converting enzyme inhibitors [ACE-I]/angiotensin receptor blockers [ARBs], β-blockers [BB]) administration was evaluated...
January 1, 2017: Angiology
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