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https://www.readbyqxmd.com/read/28374620/thrombin-generation-test-for-evaluation-of-antiplatelet-treatment-in-patients-with-coronary-artery-disease-after-percutaneous-coronary-intervention
#1
Gelena Berezovskaya, Olga Smirnova, Eduard Malev, Nikita Khromov-Borisov, Elena Klokova, Mikhail Karpenko, Lyudmila Papayan, Nikolay Petrishchev
To study the possibility of using thrombin generation tests in platelet-rich and platelet-poor plasma for evaluation of dual antiplatelet therapy efficacy in patients with coronary artery disease (CAD), following percutaneous coronary intervention. Venous blood was analyzed from CAD patients aged 53-75 years who had undergone percutaneous coronary intervention with stenting within one year and had been receiving standard doses of clopidogrel and aspirin (75 and 75-100 mg per day, respectively). The control group comprised age- and sex-matched subjects without clinical signs of CAD who were not receiving these drugs...
April 4, 2017: Platelets
https://www.readbyqxmd.com/read/28329746/genotyping-platelet-activation-and-cardiovascular-outcome-in-patients-after-percutaneous-coronary-intervention-two-pieces-of-the-puzzle-of-clopidogrel-resistance
#2
Gerasimos Siasos, Evangelos Oikonomou, Manolis Vavuranakis, Eleni Kokkou, Konstantinos Mourouzis, Sotiris Tsalamandris, Marina Zaromitidou, Stamatios Kioufis, Vasiliki Tsigkou, Spyridon Deftereos, Christodoulos Stefanadis, Dimitris Tousoulis
OBJECTIVES: Individual platelet responses to antiplatelet therapy depend on genetic, cellular, and clinical factors. CYP2C19 and P2Y12 receptor polymorphisms are implicated in platelet responses to antiplatelet treatment. We aimed to evaluate the impact of CYP2C19 and C34T P2Y12 genotyping on platelet reactivity and cardiovascular outcome in patients after percutaneous coronary intervention (PCI) on clopidogrel treatment. METHODS: We enrolled 408 patients with stable coronary artery disease (CAD) receiving aspirin and clopidogrel (75 mg/day) 1 month after PCI...
March 22, 2017: Cardiology
https://www.readbyqxmd.com/read/28320981/relationship-between-thromboelastography-and-long-term-ischemic-events-as-gauged-by-the-response-to-clopidogrel-in-patients-undergoing-elective-percutaneous-coronary-intervention
#3
Xumin Hou, Wenzheng Han, Qian Gan, Yuan Liu, Weiyi Fang
Ischemic events after percutaneous coronary intervention (PCI) remain a major concern for patients with coronary heart disease (CHD). The aim of the current study was to investigate whether thromboelastography (TEG) was a satisfactory technique to measure platelet function in vitro in order to improve risk stratification and the individual response to antiplatelet therapy. The diagnostic and prognostic utility of the maximum amplitude of adenosine diphosphate induced platelet-fibrin clots (MAADP) was measured with TEG in 759 patients undergoing elective PCI...
March 19, 2017: Bioscience Trends
https://www.readbyqxmd.com/read/28300627/serum-uric-acid-is-associated-with-better-executive-function-in-men-but-not-in-women-baseline-assessment-of-the-elsa-brasil-study
#4
Cristina Pellegrino Baena, Claudia Kimie Suemoto, Sandhi Maria Barreto, Paulo Andrade Lotufo, Isabela Benseñor
BACKGROUND: Serum uric acid (SUA) may protect against free radical stress damage and was previously linked to cognitive impairment in older adults, but evidence in middle-aged adults is scarce. PURPOSE: We sought to analyze whether SUA is associated with cognitive performance in apparently healthy middle-aged participants in the ELSA-Brasil cohort study. METHODS: We excluded participants older than age 65, those taking allopurinol, benzbromarone, or medications that could impair cognitive performance, those with previous stroke, and those with incomplete data on cognitive tests or SUA...
June 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28298800/a-case-of-subclavian-artery-aneurysm-with-history-of-ischemic-heart-disease-operated-under-cervical-epidural-anesthesia
#5
Amrita Rath, J Abhinay, Sandeep Loha, Atul Kumar Singh
Subclavian artery aneurysm is usually operated under general anesthesia (GA), but in specific situations, it can also be conducted under regional anesthesia (RA) such as cervical epidural anesthesia (CEA). A 48-year-old male presented with chief complaint of progressive swelling in the right side of the neck for the past 3 months following trauma. He was diagnosed as subclavian artery aneurysm, and surgical intervention was advised. He had previous history of angina 4 months back for which tablet aspirin 75 mg and tablet clopidogrel 75 mg once daily was prescribed...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28267471/a-randomized-clinical-trial-comparing-long-term-clopidogrel-vs-aspirin-monotherapy-beyond-dual-antiplatelet-therapy-after-drug-eluting-coronary-stent-implantation-design-and-rationale-of-the-harmonizing-optimal-strategy-for-treatment-of-coronary-artery-stenosis
#6
Heesun Lee, Bon-Kwon Koo, Kyung Woo Park, Eun-Seok Shin, Sang Wook Lim, Seung-Woon Rha, Jang-Whan Bae, Dong Woon Jeon, Seok-Kyu Oh, Seung-Ho Hur, Bum-Su Kim, Jung-Hee Lee, Tae-Ho Park, Nam Ho Lee, Hyo-Soo Kim
Percutaneous coronary intervention (PCI) has been developed by drug-eluting stent (DES), but stent implantation has brought the issue of stent thrombosis and optimal antiplatelet therapy. Guidelines recommend at least 6- to 12 months of dual antiplatelet therapy (DAPT) with aspirin and a P2Y12 receptor inhibitor such as clopidogrel. Beyond DAPT after PCI with DES, however, there has been still a debate for antiplatelet regimen. Therefore, we report on the upcoming HOST-EXAM trial (NCT02044250), which will evaluate the efficacy and safety of aspirin and clopidogrel monotherapies beyond DAPT after DES implantation...
March 2017: American Heart Journal
https://www.readbyqxmd.com/read/28202405/urinary-leukotriene-e4-to-determine-aspirin-intolerance-in-asthma-a-systematic-review-and-meta-analysis
#7
John B Hagan, Tanya M Laidlaw, Rohit Divekar, Erin K O'Brien, Hirohito Kita, Gerald W Volcheck, Christina R Hagan, Devyani Lal, Harry G Teaford, Patricia J Erwin, Nan Zhang, Matthew A Rank
BACKGROUND: Urinary leukotriene E4 (ULTE4) may be a biomarker that distinguishes aspirin-intolerant asthma from other asthma subtypes. OBJECTIVE: To estimate the diagnostic testing accuracy of ULTE4 as a marker of aspirin intolerance in patients with asthma using previously published studies. METHODS: We identified relevant clinical studies from a systematic review of English and non-English articles using MEDLINE, EMBASE, and CENTRAL (inception to February 10, 2015)...
February 12, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28161565/dual-antiplatelet-therapy-does-not-increase-the-risk-of-bleeding-after-carotid-endarterectomy-results-of-a-prospective-study
#8
Giulio Illuminati, Fabrice Schneider, Giulia Pizzardi, Federica Masci, Francesco G Calio', Jean-Baptiste Ricco
BACKGROUND: The purpose of this study was to evaluate the risk of bleeding and other postoperative complications of carotid endarterectomy (CEA) in patients receiving dual antiplatelet therapy (DAPT). METHODS: From January 2005 to December 2015, 188 consecutive patients undergoing CEA and receiving DAPT (aspirin 100 mg + clopidogrel 75 mg) were enrolled in a prospective study. All of them underwent coronary artery stenting with drug-eluting stents during the 6 months preceding CEA...
February 2, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28150852/novel-role-of-platelet-reactivity-in-adverse-left-ventricular-remodelling-after-st-segment-elevation-myocardial-infarction-the-remodeling-trial
#9
Yongwhi Park, Udaya S Tantry, Jin-Sin Koh, Jong-Hwa Ahn, Min Gyu Kang, Kye Hwan Kim, Jeong Yoon Jang, Hyun Woong Park, Jeong-Rang Park, Seok-Jae Hwang, Ki-Soo Park, Choong Hwan Kwak, Jin-Yong Hwang, Paul A Gurbel, Young-Hoon Jeong
The role of platelet-leukocyte interaction in the infarct myocardium still remains unveiled. We aimed to determine the linkage of platelet activation to post-infarct left ventricular remodelling (LVR) process. REMODELING was a prospective, observational, cohort trial including patients (n = 150) with ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention. Patients were given aspirin plus clopidogrel therapy (600 mg loading and 75 mg daily). Platelet reactivity (PRU: P2Y12 Reaction Units) was assessed with VerifyNow P2Y12 assay on admission...
February 2, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28145783/the-budget-impact-of-using-enteric-coated-aspirin-325mg-immediate-release-omeprazole-40mg-to-prevent-recurrent-cardiovascular-events
#10
Wenjie Zhang, Yi Han, John G Fort, David Schofield, James P Tursi
OBJECTIVE: Aspirin (acetylsalicylic acid; ASA) is commonly used for secondary prevention of cardiovascular (CV) events but may be associated with gastrointestinal (GI) adverse events, which can reduce adherence. Use of ASA co-therapy with proton pump inhibitors in patients at risk may be suboptimal. PA32540 (Yosprala(TM)) is a coordinated-delivery tablet combining EC-ASA 325 mg and immediate-release omeprazole 40 mg. The objective of this flexible budget impact model was to project the financial consequences of introducing PA32540 325 mg/40 mg to prevent recurrent CV events while reducing ASA-associated GI events in US adults...
February 1, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28135763/the-cyp2c19-2-and-cyp2c19-17-polymorphisms-play-a-vital-role-in-clopidogrel-responsiveness-after-percutaneous-coronary-intervention-a-pharmacogenomics-study
#11
Faruk Saydam, İrfan Değirmenci, Alparslan Birdane, Mahmut Özdemir, Taner Ulus, Cansu Özbayer, Ertuğrul Çolak, Necmi Ata, Hasan Veysi Güneş
Clopidogrel inhibits platelet activation and aggregation by blocking the P2Y12 receptor. Dual antiplatelet therapy with clopidogrel and aspirin is recommended treatment by current guidelines for patients undergoing percutaneous interventions. Recurrent ischaemic cardiac events after this treatment showed lack of clopidogrel responsiveness. We aimed to investigate the most noticeable variants in the genes involved in clopidogrel pharmacokinetics and pharmacodynamics. 347 Turkish patients who underwent percutaneous coronary interventions with stent implantation were included in our study...
January 30, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28128747/use-of-thrombin-generation-test-for-monitoring-hemostasis-in-coronary-bypass-surgery
#12
Gruzdeva Olga, Uchasova Evgenya, Fanaskova Elena, Akbasheva Olga, Penskaya Tatyana, Plotnikov Georgy, Dyleva Yulia, Barbarash Olga
To evaluate the parameters of the thrombin generation test (TGT) in coronary artery disease (CAD) patients on prolonged aspirin therapy during on-pump coronary artery bypass grafting (CABG) after donor platelet concentrate transfusion. A total of 148 patients with CAD on prolonged aspirin therapy (75-100 mg/day) who have undergone elective on-pump CABG were consecutively included in the study. Patients were divided randomly into two groups. Group 1 (n = 76) received donor platelet transfusions after cardiopulmonary bypass, whereas Group 2 (n = 72) did not...
January 27, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28123464/effect-of-a-small-dose-of-aspirin-on-quantitative-test-of-24-h-urinary-protein-in-patients-with-hypertension-in-pregnancy
#13
Fangmei Liu, Huili Yang, Guiyun Li, Kun Zou, Yana Chen
The aim of the present study was to determine the effect of a small dose of aspirin on a quantitative test of 24-h urinary protein in patients with hypertension in pregnancy. In total, 224 patients with hypertension in pregnancy were continuously selected and were randomly divided into the control group (50 cases with conventional therapy), aspirin 50 mg/day group (60 cases), aspirin 75 mg/day group (58 cases), and aspirin 100 mg/day group (56 cases). Clinical effects were compared from 16 gestational weeks to childbirth...
January 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28072691/the-effectiveness-and-safety-of-dual-antiplatelet-therapy-in-ischemic-cerebrovascular-disease-with-intracranial-and-extracranial-arteriostenosis-in-chinese-patients-a-randomized-and-controlled-trail
#14
RANDOMIZED CONTROLLED TRIAL
Feng-Tong Zuo, Hui Liu, Hui-Jun Wu, Na Su, Jie-Qiong Liu, Ai-Qin Dong
BACKGROUND: There are limited data on the effect of dual antiplatelet treatment with clopidogrel plus aspirin in patients with ischemic cerebrovascular disease and intracranial and extracranial arteriostenosis. The aim of our study was to evaluate the efficacy and safety of aspirin plus clopidogrel in the treatment of ischemic cerebrovascular disease with intracranial and extracranial arteriostenosis. METHODS: Patients with clinically evident acute cerebral infarction or transient ischemic attack combined with intracranial and extracranial arteriostenosis (greater than 50%) who were unsuitable or reluctance to perform stent implantation were enrolled in this study...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28039577/antiplatelet-strategies-and-outcomes-in-patients-with-noncardioembolic-ischemic-stroke-from-a-real-world-study-with-a-five-year-follow-up
#15
Huimin Xu, Yanting Ping, Haoran Lin, Ping He, Wenlu Li, Haibin Dai
Aspirin and clopidogrel are both acceptable antiplatelet options for the secondary prevention of noncardioembolic ischemic stroke. Associations between Essen Stroke Risk Score (ESRS) and antiplatelet treatment in Chinese patients with noncardioembolic ischemic stroke were assessed. This retrospective study was taken in a tertiary care hospital located in eastern China. Patients with noncardioembolic ischemic stroke hospitalized during January 1, 2009, to December 31, 2011, were classified according to ESRS during index stroke hospitalization...
December 31, 2016: Translational Stroke Research
https://www.readbyqxmd.com/read/28004997/effect-of-long-term-low-dose-aspirin-therapy-on-renal-graft-function
#16
Hatem Ali, Ahmed Shaaban, Asam Murtaza, Laura E Howell, Aimun Ahmed
OBJECTIVES: Despite improvements in immunosuppressive protocols for renal transplant, long-term success of renal transplant is still limited by the occurrence of interstitial fibrosis and tubular atrophy. Some studies have shown that aspirin decreases the severity of kidney ischemia-reperfusion injury and the development of tubular atrophy in animal models. This study aimed to assess the effects of aspirin therapy started at the time of transplant on long-term graft function. MATERIALS AND METHODS: We compared renal graft function of 82 patients on low-dose aspirin 75 mg once daily who underwent renal transplant between 1 January 2000 and 31 December 2010 from a single center with 65 patients not taking aspirin...
December 22, 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27981489/influence-of-low-dose-proton-pump-inhibitors-administered-concomitantly-or-separately-on-the-anti-platelet-function-of-clopidogrel
#17
Takahisa Furuta, Mitsushige Sugimoto, Chise Kodaira, Masafumi Nishino, Mihoko Yamade, Takahiro Uotani, Shu Sahara, Hitomi Ichikawa, Takuma Kagami, Moriya Iwaizumi, Yasushi Hamaya, Satoshi Osawa, Ken Sugimoto, Kazuo Umemura
Proton pump inhibitors (PPIs) at low doses can effectively prevent gastrointestinal bleeding due to aspirin and are widely used in Japan for gastroprotection in patients taking anti-platelet agents. We examined the influence of different PPIs at low doses administered concomitantly or separately on anti-platelet functions of clopidogrel. In 41 healthy Japanese volunteers with different CYP2C19 genotypes who took clopidogrel 75 mg in the morning alone, or with omeprazole 10 mg, esomeprazole 10 mg, lansoprazole 15 mg, or rabeprazole 10 mg, either concomitantly in the morning or separately in the evening, we measured the inhibition of platelet aggregation (IPA, %) using VerifyNow P2Y12 assay at 4 h after the last clopidogrel dose on Day 7 of each regimen...
April 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/27959717/ticagrelor-versus-clopidogrel-in-symptomatic-peripheral-artery-disease
#18
RANDOMIZED CONTROLLED TRIAL
William R Hiatt, F Gerry R Fowkes, Gretchen Heizer, Jeffrey S Berger, Iris Baumgartner, Peter Held, Brian G Katona, Kenneth W Mahaffey, Lars Norgren, W Schuyler Jones, Juuso Blomster, Marcus Millegård, Craig Reist, Manesh R Patel
Background Peripheral artery disease is considered to be a manifestation of systemic atherosclerosis with associated adverse cardiovascular and limb events. Data from previous trials have suggested that patients receiving clopidogrel monotherapy had a lower risk of cardiovascular events than those receiving aspirin. We wanted to compare clopidogrel with ticagrelor, a potent antiplatelet agent, in patients with peripheral artery disease. Methods In this double-blind, event-driven trial, we randomly assigned 13,885 patients with symptomatic peripheral artery disease to receive monotherapy with ticagrelor (90 mg twice daily) or clopidogrel (75 mg once daily)...
January 5, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/27876806/a-randomised-controlled-trial-comparing-a-dietary-antiplatelet-the-water-soluble-tomato-extract-fruitflow-with-75%C3%A2-mg-aspirin-in-healthy-subjects
#19
N O'Kennedy, L Crosbie, H-J Song, X Zhang, G Horgan, A K Duttaroy
BACKGROUND/OBJECTIVES: Increasing numbers of food ingredients are gaining acknowledgement, via regulated health claims, of benefits to human health. One such is a water-soluble tomato extract, Fruitflow (FF), a dietary antiplatelet. We examined relative platelet responses to FF and to 75 mg aspirin (ASA) in healthy subjects. SUBJECTS/METHODS: A total of 47 healthy subjects completed a double-blinded randomised controlled trial following a crossover design. Acute and 7-day treatments with 75 mg ASA were compared with control with and without concomitant FF, over a 5-h timecourse...
November 23, 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27854064/the-rationale-for-and-clinical-pharmacology-of-prasugrel-5-mg
#20
REVIEW
Joseph A Jakubowski, David Erlinge, Dimitrios Alexopoulos, David S Small, Kenneth J Winters, Paul A Gurbel, Dominick J Angiolillo
Prasugrel is a third-generation thienopyridine platelet P2Y12 adenosine diphosphate (ADP) receptor antagonist administered with aspirin for the treatment of patients with acute coronary syndrome (ACS) with planned percutaneous coronary intervention. Prasugrel is administered periprocedurally at an oral loading dose of 60 mg followed by daily maintenance doses (MDs) of 10 mg for most patients and 5 mg for patients weighing <60 kg or aged ≥75 years. Data from a prasugrel phase III study, TRITON-TIMI 38, suggested that a lower MD might be more suitable for patients weighing <60 kg or aged ≥75 years; subsequent pharmacokinetic and pharmacodynamic studies have indicated that prasugrel 5 mg reduced platelet reactivity in these populations to an extent similar to that of prasugrel 10 mg in heavier or younger patients...
April 2017: American Journal of Cardiovascular Drugs: Drugs, Devices, and Other Interventions
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