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mean platelet volume in ACS

Susanne Claudia Gruber, Matthias Karl Freynhofer, Martin Willheim, Thomas Werner Weiss, Florian Egger, Wolfgang Hübl, Kurt Huber
Long-term evidence shows an increased risk of cardiovascular events in the morning hours and recent studies in aspirin-treated patients have shown increased platelet reactivity at the end of the dosing interval. Similar pharmacodynamic analyses of adenosine-diphosphate (ADP) receptor inhibitors are scarce. We therefore investigated changes in clopidogrel-dependent platelet function and activation over 24 h and whether enhanced platelet turnover might explain diurnal variability of platelet function and activation...
June 5, 2018: Platelets
Arsalan Majeed Adam, Ather Hasan Rizvi, Amna Haq, Rabia Naseem, Aiman Rehan, Ali Tariq Shaikh, Abdul Haseeb Abbas, Ansab Godil, Arif Ali, Muhammad Saad Ali Mallick, Muhammad Shahzeb Khan, Muhammad Nawaz Lashari
BACKGROUND: Recent studies have shown that complete blood count (CBC) parameters can effectively predict long-term mortality and re-infarction rates in acute coronary syndrome (ACS). However, the role of these parameters in predicting short term mortality has not been studied extensively. The main objective of this study was to determine whether CBC parameters can predict 30-days mortality and the incidence of major adverse cardiac event (MACE) in ACS patients. METHODOLOGY: A total of 297 patients with ACS were recruited in this prospective study...
March 2018: Indian Heart Journal
Stephanie F Polites, Rachel M Nygaard, Pooja N Reddy, Martin D Zielinski, Chad J Richardson, Terri A Elsbernd, Branden M Petrun, Sean L Weinberg, Sherrie Murphy, Donald D Potter, Denise B Klinkner, Christopher R Moir
BACKGROUND: The 9th edition of ATLS recommends up to three crystalloid boluses in pediatric trauma patients with consideration of transfusion after the second bolus however this approach is debated. We aimed to determine if requirement of more than one fluid bolus predicts the need for transfusion. METHODS: 2010-2016 highest tier activation patients <15 years of age from two ACS Level I pediatric trauma centers were identified from prospectively maintained trauma databases...
March 12, 2018: Journal of Trauma and Acute Care Surgery
Xiaowei Niu, Guoyong Liu, Lichao Huo, Jingjing Zhang, Ming Bai, Yu Peng, Zheng Zhang
To develop a risk stratification model based on complete blood count (CBC) components in patients with acute coronary syndrome (ACS) using a classification and regression tree (CART) method. CBC variables and the Global Registry of Acute Coronary Events (GRACE) scores were determined in 2,693 patients with ACS. The CART analysis was performed to classify patients into different homogeneous risk groups and to determine predictors for major adverse cardiovascular events (MACEs) at 1-year follow-up. The CART algorithm identified the white blood cell count, hemoglobin, and mean platelet volume levels as the best combination to predict MACE risk...
February 12, 2018: Scientific Reports
Zora Sušilović Grabovac, Darija Baković, Mislav Lozo, Irena Pintarić, Željko Dujić
A strong relationship exists between acute coronary syndrome (ACS) and platelets (PLTs) volume. Mean platelet volume (MPV) is a parameter of PLT functions and a marker for increased PLT activation. The aim of this study was to determine early changes in number of total PLT and MPV in different manifestation of ACS and to find out predictive value of MPV in the spectrum of ACS. This was a prospective study. One hundred thirty-four ACS patients were enrolled, 76 of them finished the study. PLT and MPV in patients with unstable angina, non-ST elevation, and ST elevation myocardial infarctions were determined on arrival and 1, 3, 72 hours, and 7 days after the admission to hospital...
December 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
Jan Budzianowski, Konrad Pieszko, Paweł Burchardt, Janusz Rzeźniczak, Jarosław Hiczkiewicz
An increased systemic and local inflammation plays a key role in the pathophysiology of acute coronary syndrome (ACS). This review will discuss the role of hematological indices: white blood cells (WBC), neutrophil to lymphocyte ratio (NLR), red cell distribution width (RDW), and platelet indices, that is, platelet to lymphocyte ratio (PLR), mean platelet volume (MPV), and platelet distribution width (PDW) in the case of ACS. In recent years, a strong interest has been drawn to these indices, given that they may provide independent information on pathophysiology, risk stratification, and optimal management...
2017: Disease Markers
Vanessa Tonin Garrido, Laura Sonzogni, Siana Nkya Mtatiro, Fernando F Costa, Nicola Conran, Swee Lay Thein
Platelet activation and platelet-derived cytokines contribute to the vascular inflammation and increased thrombotic activity known to occur in patients with sickle cell anemia (SCA). CD40 ligand (CD40L), a platelet-associated pro-inflammatory molecule that promotes endothelial cell activation, is elevated in the circulation of SCA patients. We sought to evaluate the association of CD40L and inflammation with sickle-related clinical complications and laboratory variables in SCA patients. Soluble CD40L, thrombospondin (TSP)-1 and tumor necrosis factor (TNF)-α were determined in the platelet-poor plasma of healthy individuals and steady-state SCA patients by ELISA...
September 2017: Cytokine
Ning Tang, Ziyong Sun, Dengju Li, Jun Yang, Shiyu Yin, Qing Guan
BACKGROUND: D-dimer has been used to rule out pulmonary embolism (PE). Based on previous reports of decreased concentrations of coagulation factor XIII (FXIII) in venous thromboembolism, and no change in FXIII concentration in patients with acute cardiovascular disease, we evaluated the benefit of simultaneously measuring D-dimer and FXIII concentrations for diagnosing PE. METHODS: In this prospective single-center study, we enrolled 209 patients initially suspected of having PE, and measured their D-dimer and FXIII concentrations...
October 26, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
Xinshun Gu, Xianghua Fu, Yanbo Wang, Wenhui Zhang, Weize Fan, Yunfa Jiang, Guozhen Hao, Qing Miao, Yi Li, Wei Zhi
OBJECTIVE: To evaluate the effects of ticagrelor and high-dose clopidogrel on the platelet functions in patients with inadequate response to clopidogrel. METHODS: In this prospective, randomized and controlled study, patients who had been diagnosed as acute coronary syndrome (ACS) with inadequate response to clopidogrel in the Second Hospital of Hebei Medical University from July 2015 to June 2016 were enrolled. Inadequate response to clopidogrel was defined as absolute reduction of platelet aggregation rate (PAR) <30% or PAR >70%...
2017: American Journal of Cardiovascular Disease
M A Islam, N I Siddiqui, M S Begum, A S Bhuiyan, M A Rahman, S U Ahammed
This cross sectional descriptive study was carried out in the Department of Cardiology, Mymensingh Medical College Hospital from July 2015 to December 2015, included 50 patients admitted with acute coronary syndrome diagnosed on the basis of history, typical anginal type of chest pain, characteristic electrocardiographic changes and increased cardiac biomarkers. Platelet count (PC), Mean platelet volume (MPV) and platelet distribution width (PDW) were measured using automated hematological analyzer and compared them with 50 age and sex matched healthy controls...
January 2017: Mymensingh Medical Journal: MMJ
Tuncay Taskesen, Harsimran Sekhon, Igor Wroblewski, Mikhail Goldfarb, Muhammad B Ahmad, Quang T Nguyen, Ibtihaj A M Fughhi, Adi Gidron, Shahriar Dadkhah
Acute coronary syndrome (ACS) is characterized by unstable plaque with thrombotic process involving central role of platelets. The diagnosis and prediction of significant coronary artery disease (CAD) in non-ST-elevation ACS (NSTE-ACS) can be challenging. The central role of platelets in acute atherothrombosis in NSTE-ACS spurred appreciable interest in the diagnostic and predictive role of platelet activity. Mean platelet volume (MPV) is one of the most promising laboratory markers in patients with CAD. This retrospective study was designed to investigate the diagnostic and predictive value of high MPV levels in patients with NSTE-ACS with significant CAD...
January 15, 2017: American Journal of Cardiology
Michał Kowara, Kajetan Grodecki, Zenon Huczek, Dominika Puchta, Katarzyna Paczwa, Bartosz Rymuza, Karol Zbroński, Krzysztof J Filipiak, Grzegorz Opolski
BACKGROUND: The role of platelets in the pathophysiology of acute coronary syndromes (ACS) is undeniable, but precise relationships between platelet activity and treatment outcomes are a matter of continuant investigation. Among platelet indices, mean platelet volume (MPV) has proven to be a valuable predicting factor in cardiac patients. However, platelet distribution width (PDW) is reported to be a more specific marker of platelet reactivity. Thus, application of PDW in risk stratification of ACS treatment is an up-to-date subject of research...
2017: Kardiologia Polska
Xuan Wang, Xiao-Lei Xu, Xi-Ming Li, Ru Zhao, Xu Yang, Hong-Liang Cong
OBJECTIVE: To explore diagnostic performance of mean platelet volume (MPV) for acute myocardial infarction (AMI) of patients with acute coronary syndrome (ACS). METHODS: We compared MPV and other indicators of 1,524 patients with ACS. Among them, 880 patients were diagnosed with AMI, 344 were diagnosed with unstable angina pectoris and 350 were the control group. RESULTS: The level of MPV in ACS group was significantly higher than the control group (9...
August 2016: American Journal of the Medical Sciences
Takashi Kubo, Yasushi Ino, Yoshiki Matsuo, Yasutsugu Shiono, Takeyoshi Kameyama, Takashi Yamano, Yosuke Katayama, Akira Taruya, Tsuyoshi Nishiguchi, Keisuke Satogami, Kuninobu Kashiyama, Makoto Orii, Akio Kuroi, Tomoyuki Yamaguchi, Atsushi Tanaka, Takeshi Hozumi, Takashi Akasaka
BACKGROUND: Prasugrel is a new-generation thienopyridine antiplatelet agent that provides more consistent and prompt platelet inhibition than clopidogrel. The aim of this study was to compare in-stent thrombus inhibition effect of pretreatment with prasugrel and clopidogrel by using optical coherence tomography (OCT) immediately after percutaneous coronary intervention (PCI) for acute coronary syndrome (ACS). METHODS: We performed OCT immediately after PCI in 108 ACS patients pretreated with either prasugrel (n=51) or clopidogrel (n=57)...
February 2017: Journal of Cardiology
Mohammad Reza Dehghani, Yousef Rezaei, Sanam Fakour, Nasim Arjmand
BACKGROUND AND OBJECTIVES: Leukocyte and platelet have been found to be associated with metabolic syndrome (MetS). We aimed to determine the usefulness of a novel marker named white blood cell count to mean platelet volume ratio (WMR) for predicting outcomes of non-ST elevation acute coronary syndrome (NSTE-ACS) with or without MetS. SUBJECTS AND METHODS: A total of 331 NSTE-ACS individuals (60±12.5 years, 57.4% male) were enrolled and followed for a median of 24 months...
March 2016: Korean Circulation Journal
Jarosław Wasilewski, Piotr Desperak, Michał Hawranek, Aneta Ciślak, Tadeusz Osadnik, Łukasz Pyka, Marcin Gawlita, Kamil Bujak, Jacek Niedziela, Michał Krawczyk, Mariusz Gąsior
BACKGROUND: Mean platelet volume (MPV) is a simple and reliable indicator of platelet size that correlates with platelet activation and their ability to aggregate. We studied the predictive value of MPV in patients with non-ST-segment elevation myocardial infarction (NSTEMI) treated with percutaneous coronary intervention (PCI). METHODS: We analyzed the consecutive records of 1001 patients who were hospitalized due to NSTEMI at our center. The primary end point was a composite end point that included the rates of all-cause death, non-fatal myocardial infarction, and acute coronary syndrome (ACS) driven revascularization at 12 months...
July 2016: Platelets
Mehmet Balli, Hakan Taşolar, Mustafa Çetin, Caglar Emre Cagliyan, Mehmet Yavuz Gözükara, Mahmut Yilmaz, Zafer Elbasan, Murat Cayli
INTRODUCTION: Despite major advances in stent technology and antithrombotic therapy, the development of stent thrombosis continues to be a major problem in patients who have undergone percutaneous coronary intervention (PCI). Although a few studies have investigated the relationship between early stent thrombosis and platelet activity, the relationship between acute stent thrombosis (AST) (within the first 24 h) and platelet indices is unclear. AIM: We investigated the relationship between AST development and platelet indices in acute coronary syndrome patients...
2015: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
Alessia Fabbri, Rossella Marcucci, Anna Maria Gori, Betti Giusti, Rita Paniccia, Daniela Balzi, Alessandro Barchielli, Serafina Valente, Cristina Giglioli, Rosanna Abbate, Gian Franco Gensini
INTRODUCTION: Limited data are available on the natural history of high on treatment platelet reactivity (HPR) by arachidonic acid and ADP - markers of unfavorable prognosis in acute coronary syndrome patients -. MATERIAL AND METHODS: In a cohort of acute coronary syndrome male patients (n=101), we evaluated the time-course of HPR by ADP (platelet aggregation by 10μM ADP≥70%) and arachidonic acid (platelet aggregation by 1mmol arachidonic acid≥20%) measuring platelet function in the acute phase (T0), at 6months (T1) and 1year (T2)...
September 2015: Thrombosis Research
Mohammad Reza Dehghani, Yousef Rezaei
No abstract text is available yet for this article.
2015: Cardiology Journal
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