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https://www.readbyqxmd.com/read/29145216/comparison-of-warfarin-use-in-terms-of-efficacy-and-safety-in-two-different-polyclinics
#1
Salih Kılıç, Hatice Soner Kemal, Elif İlkay Yüce, Evrim Şimşek, Burcu Yağmur, Nuray Memişoğlu Akgül, Cahide Soydaş Çınar, Mehdi Zoghi, Cemil Gürgün
OBJECTIVE: This study compared the efficacy and safety of warfarin in specialized international normalized ratio (INR) outpatient clinic (INR-C) and in general cardiology outpatient clinic (General-C). METHODS: Herein, 381 consecutive patients with a regular follow-up at INR-C (n=233) or General-C (n=148) for at least 1 year were retrospectively included. While INR-C patients were followed by a single experienced trained nurse, General-C patients were followed by a different cardiologist who worked in a rotational principle every month...
November 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/29139268/-mineral-composition-analysis-and-hemostatic-effect-of-limonitum-with-different-mineral-genesis
#2
Chao-Ying Wu, Sheng-Jin Liu, Fang Fang, Yu-Hua Wang, Wen-Guo Yang, Yu-Lu Ma, De-Kang Wu
Models were established in mice with warfarin sodium method, and their bleeding time and hemostasis time were measured by tail cutting method and slide method respectively. Rats were administered for 15 consecutive days to measure their recalcification time, plasma viscosity, platelet adhesion rate, platelet aggregation rate and other blood indexes. As compared with the blank group, the bleeding time was prolonged in model groupn(P<0.05). As compared with the model group, the results showed that the positive vitamin K, the leaching type water decoction and the sediment type decoction could significantly shorten the bleeding time (P<0...
August 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29137047/massive-neonatal-intracranial-hemorrhage-caused-by-bromadiolone-a-case-report
#3
Mingsheng Ma, Mengqi Zhang, Xiaoyan Tang, Zhenghong Li
RATIONALE: Bromadiolone, often called a super-warfarin, is a potent rodenticide with long half-life. Skin and mucosal bleeding is the most common clinical manifestations of its intoxication. Bromadiolone intoxications in adults and children have been reported, but this phenomenon is rarely seen in fetuses. This paper presents a case of neonate with massive intracranial hemorrhage mediated by bromadiolone intoxication, highlighting that the bromadiolone is potentially lethal to the fetus...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29137043/portal-vein-thrombosis-before-and-after-transjugular-intrahepatic-portosystemic-shunt-placement-an-observational-study-strobe-compliant
#4
Yue-Meng Wan, Yu-Hua Li, Hua-Mei Wu, Zhi-Yuan Xu, Ying Xu, Li-Hong Yang, Xi-Nan Wu, Jin-Hui Yang
Portal vein thrombosis (PVT) is common in patients with cirrhosis undergoing transjugular intrahepatic portosystemic shunt (TIPS). This study had 3-fold aims: to assess risk factors for PVT; to determine the efficacy of anticoagulant therapy; to investigate the impact of PVT on clinical outcomes in TIPS-treated cirrhosis.Between June 2012 and February 2016, 126 TIPS-treated patients with cirrhosis were enrolled and studied prospectively. Enrolled patients were screened for PVT before TIPS and at 3, 6, 12, and 24 months post-TIPS...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136681/assessment-of-multiple-cytochrome-p450-activities-in-metabolically-inactivated-human-liver-microsomes-and-roles-of-p450-2c-isoforms-in-reaction-phenotyping-studies
#5
Norie Murayama, Kanako Yajima, Mikiko Hikawa, Kanami Shimura, Yu Ishii, Masaki Takada, Yasuhiro Uno, Masahiro Utoh, Kazuhide Iwasaki, Hiroshi Yamazaki
The fraction of substrate metabolized (fm ) can be used to estimate drug interactions and can be determined by comparison of the intrinsic clearances (CLint ) of victim drugs obtained from inhibited and uninhibited hepatic enzymes. Commercially available human liver microsomes were recently developed in which one cytochrome P450 (P450) isoform is selectively inactivated. These inactivated liver microsomes were used to evaluate the roles of P450 2C isoforms in the depletion and oxidation of probe substrates...
November 14, 2017: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/29136562/warfarin-resumption-following-anticoagulant-associated-intracranial-hemorrhage-a-systematic-review-and-meta-analysis
#6
Chatree Chai-Adisaksopha, Alfonso Iorio, Christopher Hillis, Deborah Siegal, Daniel M Witt, Sam Schulman, Mark Crowther
BACKGROUND: This study aims to assess the effect of warfarin resumption in patients who experienced warfarin-associated intracranial hemorrhage (ICH). METHODS: We conducted a systematic review and meta-analysis of studies evaluating the outcomes of adult patients who survived warfarin-associated ICH. We included studies that compared patients who resumed warfarin versus those who did not. RESULTS: Of 3145 studies screened, ten observational studies were included in the final analysis...
November 11, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/29132650/non-vitamin-k-antagonist-oral-anticoagulants-in-patients-with-atrial-fibrillation-and-end-stage-renal-disease
#7
REVIEW
Marin Nishimura, Jonathan C Hsu
Over the past decade, there have been tremendous advancements in anticoagulation therapies for stroke prevention in patients with atrial fibrillation (AF). Although the non-vitamin K antagonist oral anticoagulants (NOACs) demonstrated favorable clinical outcomes compared with warfarin overall, the decision to anticoagulate and the choice of appropriate agent in patients with AF and concomitant chronic kidney disease (CKD) or end-stage renal disease (ESRD) are a particularly complex issue. CKD and ESRD increase both the risk of stroke and bleeding, and since all of the NOACs undergo various levels of renal clearance, renal dysfunction inevitably affects the pharmacokinetics of the drug in each patient...
October 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29132153/outcomes-of-dabigatran-and-warfarin-for-atrial-fibrillation-in-contemporary-practice-a-retrospective-cohort-study
#8
Alan S Go, Daniel E Singer, Sengwee Toh, T Craig Cheetham, Marsha E Reichman, David J Graham, Mary Ross Southworth, Rongmei Zhang, Rima Izem, Margie R Goulding, Monika Houstoun, Katrina Mott, Sue Hee Sung, Joshua J Gagne
Background: Dabigatran (150 mg twice daily) has been associated with lower rates of stroke than warfarin in trials of atrial fibrillation, but large-scale evaluations in clinical practice are limited. Objective: To compare incidence of stroke, bleeding, and myocardial infarction in patients receiving dabigatran versus warfarin in practice. Design: Retrospective cohort. Setting: National U.S. Food and Drug Administration Sentinel network...
November 14, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29130638/thromboembolism-after-watchman-tm-in-a-clopidogrel-non-responder-a-case-for-concern
#9
Ganesh Venkataraman, Kevin P Bliden, Udaya S Tantry, Paul A Gurbel
Atrial fibrillation (AF) is associated with an increased risk of stroke and thromboembolism (TE). The WATCHMAN(TM) left atrial appendage (LAA) closure device is indicated to reduce the risk of TE from the LAA in patients with non-valvular AF. Here, we present a case of a patient with device-related thrombus who suffered a TE event two months after WATCHMAN(TM) LAA closure and two weeks after switching from aspirin plus warfarin to aspirin plus clopidogrel therapy. Laboratory investigation identified the patient to be hypercoagulable and to be a non-responder to clopidogrel therapy...
November 11, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29129251/the-relationship-of-renal-function-to-outcome-a-post-hoc-analysis-from-the-edoxaban-versus-warfarin-in-subjects-undergoing-cardioversion-of-atrial-fibrillation-ensure-af-study
#10
Gregory Y H Lip, Naab Al-Saady, Michael D Ezekowitz, Maciej Banach, Andreas Goette
The ENSURE-AF study (NCT 02072434) of anticoagulation for electrical cardioversion in nonvalvular atrial fibrillation (NVAF) showed comparable low rates of bleeding and thromboembolism between the edoxaban and the enoxaparin-warfarin treatment arms. This post hoc analysis investigated the relationship between renal function and clinical outcomes. METHODS: ENSURE-AF was a multicenter, PROBE evaluation trial of edoxaban 60 mg, or dose reduced to 30 mg/d for weight≤60 kg, creatinine clearance (CrCl; Cockcroft-Gault) ≤50 mL/min, or concomitant P-glycoprotein inhibitors compared with therapeutically monitored enoxaparin-warfarin in 2,199 NVAF patients undergoing electrical cardioversion...
November 2017: American Heart Journal
https://www.readbyqxmd.com/read/29128746/human-serum-albumin-binding-of-certain-antimalarials
#11
Olivera S Marković, Ilija N Cvijetić, Mario V Zlatović, Igor M Opsenica, Jelena M Konstantinović, Nataša V Terzić Jovanović, Bogdan A Šolaja, Tatjana Ž Verbić
Interactions between eight in-house synthesized aminoquinolines, along with well-known chloroquine, and human serum albumin (HSA) have been studied by fluorescence spectroscopy. The synthesized aminoquinolines, despite being structurally diverse, were found to be very potent antimalarials. Fluorescence measurements indicate that three compounds having additional thiophene or benzothiophene substructure bind more strongly to HSA than other studied compounds. Competitive binding experiments indicate that these three compounds bind significantly stronger to warfarin compared to diazepam binding site...
November 9, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29126891/early-real-world-experience-with-direct-oral-anticoagulants-in-the-treatment-of-intermediate-high-risk-acute-pulmonary-embolism
#12
Sónia Martins Santos, Susana Cunha, Rui Baptista, Sílvia Monteiro, Pedro Monteiro, Francisco Gonçalves, Mariano Pêgo
INTRODUCTION: Intermediate-high risk pulmonary embolism (IHR-PE) has a poor prognosis, but is under-represented in trials of direct oral anticoagulants (DOACs) in venous thromboembolic disease (VTE). We aimed to assess whether the administration of DOACs was equivalent to the conventional (CONV) treatment of low-molecular weight heparin bridged with warfarin for treating IHR-PE. METHODS: We conducted a retrospective cohort study including 59 consecutive patients admitted with IHR-PE and followed for up to three months after discharge...
November 7, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29126301/coagulation-testing-in-the-core-laboratory
#13
William E Winter, Sherri D Flax, Neil S Harris
Primary hemostasis begins with endothelial injury. VWF, produced by endothelial cells, binds to platelets and links them to subendothelial collagen. Platelet-derived ADP and thromboxane activate non-adhered platelets via their GPIIb/IIIa receptors, allowing these platelets to participate in platelet aggregation. Secondary hemostasis is initiated with the binding of factor VII to extravascular tissue factor (TF). Factors II, VII, IX and X are vitamin K-dependent factors. The role of vitamin K is to assist in the addition of gamma carboxylate groups to glutamic acids in the "GLA" domains of these factors...
November 8, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/29126156/antithrombotic-therapy-after-myocardial-infarction-in-patients-with-atrial-fibrillation-undergoing-percutaneous-coronary-intervention
#14
Gorav Batra, Leif Friberg, David Erlinge, Stefan James, Tomas Jernberg, Bodil Svennblad, Lars Wallentin, Jonas Oldgren
Aims: Optimal antithrombotic therapy after percutaneous coronary intervention (PCI) in patients with myocardial infarction and atrial fibrillation is uncertain. In this study, we compared antithrombotic regimes with regard to a composite cardiovascular outcome of all-cause mortality, myocardial infarction or ischaemic stroke and major bleeds. Methods and results: Patients between October 2005 and December 2012 were identified in Swedish registries, n = 7,116...
November 6, 2017: European Heart Journal. Cardiovascular Pharmacotherapy
https://www.readbyqxmd.com/read/29123447/endovascular-stent-graft-repair-of-localized-acute-aortic-intramural-hematoma-a-case-report-and-literature-review
#15
Ugur Kaya, Abdurrahim Colak, Necip Becit, Munacettin Ceviz, Hikmet Kocak
Aortic intramural hematoma (IMH) is a variant of acute aortic syndrome, which can be life-threatening. Ascending aorta IMHs, particularly accompanied by penetrating aortic ulcer (PAU), can cause dissection, rupture, and cardiac tamponade. Therefore, early surgical treatment is recommended for IMHs of the ascending aorta. Herein, we present the case of a 60-year-old male patient who was on warfarin sodium treatment and in whom an IMH localized to the arcus aorta was detected incidentally via computed tomography, with the suspicion of pulmonary embolism, and an endovascular stent graft was inserted into the arcus aorta...
October 2017: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/29122810/bleeding-complications-in-anticoagulated-patients-with-atrial-fibrillation-and-sepsis-a-propensity-weighted-cohort-study
#16
Mette Søgaard, Flemming Skjøth, Jette Nordstrøm Kjældgaard, Gregory Y H Lip, Torben Bjerregaard Larsen
BACKGROUND: Sepsis may adversely affect bleeding risk in anticoagulated patients with atrial fibrillation (AF), but the impact of warfarin treatment in such patients is poorly described. This registry-based nationwide cohort study examined safety of oral anticoagulant treatment (OAC) in patients with preexisting AF who were hospitalized because of incident sepsis in the period 2000-2015. METHODS AND RESULTS: We identified 3030 AF patients who were warfarin users at the time of sepsis diagnosis, and we used inverse probability of treatment weighting to compare the rates of bleeding, thromboembolic events, and death within 90 days after sepsis diagnosis with a comparable cohort of 55721 patients without warfarin treatment and known AF...
November 9, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29122733/readmissions-in-anticoagulated-intracranial-hemorrhage-patients-a-retrospective-review
#17
Monica M DiFiori, Laura C Lamb, Lori L Calavan, Christopher H Comey, James M Feeney
OBJECTIVE: The objective of this study was to determine the effect of Direct Oral Anticoagulants (DOACs) when compared to warfarin, on the 30-day readmission rates in patients with traumatic intracranial hemorrhage (ICH). METHODS: We conducted a retrospective review of patients from our hospital's trauma database admitted from June 2011 to October 2015 to our Level II trauma center after sustaining a traumatic ICH while anticoagulated. Patients were stratified based on the anticoagulation drug (DOAC or warfarin) they were prescribed upon admission...
November 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29122636/clinical-outcomes-and-history-of-fall-in-patients-with-atrial-fibrillation-treated-with-oral-anticoagulation-insights-from-the-aristotle-trial
#18
Meena P Rao, Dragos Vinereanu, Daniel M Wojdyla, John H Alexander, Dan Atar, Elaine M Hylek, Michael Hanna, Lars Wallentin, Renato D Lopes, Bernard J Gersh, Christopher B Granger
PURPOSE: We assessed outcomes among anticoagulated patients with atrial fibrillation (AF) and a history of falling, and whether the benefits of apixaban versus warfarin are consistent in this population. METHODS: Of the 18,201 patients in ARISTOTLE, 16,491 had information about history of falling - 753 with history of falling and 15,738 without history of falling. The primary efficacy outcome was stroke or systemic embolism; the primary safety outcome was major bleeding...
November 6, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/29121522/effects-of-vitamin-k-antagonist-on-aortic-valve-degeneration-in-non-valvular-atrial-fibrillation-patients-prospective-4-year-observational-study
#19
Kazuhiro Yamamoto, Yukihiro Koretsune, Takashi Akasaka, Akira Kisanuki, Nobuyuki Ohte, Takashi Takenaka, Masaaki Takeuchi, Kiyoshi Yoshida, Kazunori Iwade, Yuji Okuyama, Yutaka Hirano, Yasuharu Takeda, Yasumasa Tsukamoto, Yoshiharu Kinugasa, Satoshi Nakatani, Takashi Sakamoto, Katsuomi Iwakura, Takashi Sozu, Tohru Masuyama
BACKGROUND: The prevalence of atrial fibrillation (AF) is high in elder subjects. Our previous observational study suggested that vitamin K antagonist (VKA) promotes aortic valve degeneration, a principal cause of aortic stenosis in the elderly, and that angiotensin receptor blocker (ARB) attenuates its progression. This study aimed to prospectively investigate these observations in non-valvular AF patients. METHODS: Of enrolled 430 patients with calcification on no or one aortic valve leaflet, all of the planned 4-year follow-up data were obtained in 122 non-valvular AF patients treated with warfarin (warfarin group) and 101 patients with cardiovascular diseases and without AF and prescription of warfarin (non-warfarin group)...
November 6, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/29121212/effectiveness-and-safety-of-rivaroxaban-versus-warfarin-in-patients-80-years-of-age-with-nonvalvular-atrial-fibrillation
#20
Craig I Coleman, Erin R Weeda, Elaine Nguyen, Thomas J Bunz, Nitesh A Sood
No abstract text is available yet for this article.
November 7, 2017: European Heart Journal. Quality of Care & Clinical Outcomes
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