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Platelets diabetes

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https://www.readbyqxmd.com/read/28820747/involvement-of-hyperglycemia-in-the-development-of-platelet-procoagulant-response-the-role-of-aldose-reductase-and-platelet-swelling
#1
Tomasz Rusak, Tomasz Misztal, Malgorzata Rusak, Justyna Branska-Januszewska, Marian Tomasiak
: Rise in mean platelet volume (MPV) has been demonstrated to be associated with increased platelet reactivity. In diabetes patients, augmented MPV was proposed to contribute to increased risk of thrombotic complications. Therefore, the aim of this study was to investigate whether under hyperglycemic conditions, aldose reductase (AR)-mediated sorbitol formation and associated rise in cell volume, which subsequently results in platelet hyperactivation. Platelets were obtained from 30 healthy volunteers and 13 patients with diabetes...
September 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/28809726/clinical-and-laboratory-associations-with-persistent-hyperferritinemia-in-373-black-hemochromatosis-and-iron-overload-screening-study-participants
#2
James C Barton, J Clayborn Barton, Paul C Adams
BACKGROUND: 373 black participants had elevated screening and post-screening serum ferritin (SF) (> 300 μg/L men; > 200 μg/L women). MATERIAL AND METHODS: We retrospectively studied SF and post-screening age; sex; body mass index; transferrin saturation (TS); ALT; AST; GGT; elevated C-reactive protein; ß-thalassemia; neutrophils; lymphocytes; monocytes; platelets; metacarpophalangeal joint hypertrophy; hepatomegaly; splenomegaly; diabetes; HFE H63D positivity; iron/alcohol intakes; and blood/erythrocyte transfusion units...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28808759/life-threatening-bleeding-episodes-in-primary-immune-thrombocytopenia-a-single-center-retrospective-study-of-169-inpatients
#3
Hiroyuki Tsuda, Takahiro Tsuji, Mayumi Tsuji, Hiroshi Yamasaki
Bleeding is the most important clinical outcome in patients with immune thrombocytopenia (ITP), and the goal of therapy in such cases is to treat or prevent bleeding. The frequency of and risk factors for bleeding events in ITP have only recently been identified in several large-scale studies. However, there is little published information about severe life-threatening bleeding in ITP. To clarify the clinical features of life-threatening bleeding in patients with primary ITP, we systematically reviewed the medical records of all ITP patients that were admitted to our hospital between January 1, 1992, and December 31, 2015...
August 14, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28805957/stroke-or-left-atrial-thrombus-prediction-using-antithrombin-iii-and-mean-platelet-volume-in-patients-with-nonvalvular-atrial-fibrillation
#4
Seo-Won Choi, Bo-Bae Kim, Dong-Hyun Choi, Geon Park, Byung Chul Shin, Heesang Song, DongHun Kim, Dong-Min Kim
BACKGROUND: CHADS2 (congestive heart failure, hypertension, age ≥ 75 years, diabetes mellitus, stroke) and CHA2 DS2 -VASc (congestive heart failure, hypertension, age ≥ 75 years, diabetes mellitus, stroke, vascular disease, age 65 to 74 years, sex category) scores showed just moderate discrimination ability in predicting thromboembolic complications in patients with nonvalvular atrial fibrillation (AF). HYPOTHESIS: To determine the association of antithrombin III (AT-III) deficiency and mean platelet volume (MPV) with the development of stroke or left atrial (LA) thrombus in patients with AF...
August 14, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28801280/-regression-analysis-of-red-cell-distribution-width-and-mean-platelet-volume-in-patients-with-acute-myocardial-infarction
#5
Qi Liang, Xin-Jun Lei, Hong-Bing Li, Yang-Rong Yin, Jie Ren, Li-Hong Fan, Xin Huang, Zu-Yi Yuan
OBJECTIVE: To investigate clinical implications of changes in red cell distribution width (RDW) and mean platelet volume (MPV) in patients with acute myocardial infarction. METHODS: A total of 127 patients (90 men and 37 women) were enrolled in this analysis, including 66 with acute myocardial infarction (AMI) and 61 with unstable angina (UA). The patients' baseline demographic and clinical data were compared between the two groups including age, hypertension, diabetes, smoking, BMI, blood biochemical profiles, cardiac functions and platelet and red blood cell parameters...
August 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28795665/-relationship-between-blood-lactate-level-and-the-prognosis-of-patients-with-diabetic-sepsis
#6
Yimei Liu, Minjie Ju, Simeng Pan, Hongyu He, Zhe Luo, Zhunyong Gu
OBJECTIVE: To evaluate the prognostic value of blood lactate (Lac) level in sepsis patients with or without diabetes. METHODS: 106 patients admitted to intensive care unit (ICU) of Zhongshan Hospital Affiliated to Fudan University from April 2015 to November 2016 were enrolled. The patients with age > 18 years and the length of hospital stay > 24 hours were included. Records including blood Lac, serum creatinine (SCr), white blood cell count (WBC), platelet count (PLT), sequential organ failure assessment (SOFA) on the first day of admission; minimum oxygen index (PaO2/FiO2) in 3 days after admission; mechanical ventilation, whether there was a history of diabetes, usage of biguanides, etiology control treatment, usage of continuous renal replacement therapy (CRRT) were collected...
August 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28780510/reduced-antiplatelet-effect-of-aspirin-does-not-predict-cardiovascular-events-in-patients-with-stable-coronary-artery-disease
#7
Sanne Bøjet Larsen, Erik Lerkevang Grove, Søs Neergaard-Petersen, Morten Würtz, Anne-Mette Hvas, Steen Dalby Kristensen
BACKGROUND: Increased platelet aggregation during antiplatelet therapy may predict cardiovascular events in patients with coronary artery disease. The majority of these patients receive aspirin monotherapy. We aimed to investigate whether high platelet-aggregation levels predict cardiovascular events in stable coronary artery disease patients treated with aspirin. METHODS AND RESULTS: We included 900 stable coronary artery disease patients with either previous myocardial infarction, type 2 diabetes mellitus, or both...
August 5, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28778046/desalted-salicornia-europaea-extract-attenuated-vascular-neointima-formation-by-inhibiting-the-mapk-pathway-mediated-migration-and-proliferation-in-vascular-smooth-muscle-cells
#8
Kyung Jong Won, Kang Pa Lee, Suji Baek, Long Cui, Mee-Hyang Kweon, Seung Hyo Jung, Yun-Kyoung Ryu, Jung Min Hong, Eun-Ah Cho, Hwa-Sup Shin, Bokyung Kim
Salicornia europaea L. (SE) has been used as folk medicine for the treatment of various diseases such as obesity, diabetes, and cancer. However, its effects on atherosclerotic events in vascular smooth muscle cells (VSMCs) remain unknown. The present study explored the effects of the ethyl acetate fraction of desalted SE hot water extract (SEWEAF) on atherosclerotic responses (especially migration and proliferation) in VSMCs and vascular neointima formation. Treatment with the SEWEAF significantly suppressed the platelet-derived growth factor (PDGF)-BB-induced VSMC migration and proliferation as well the phosphorylation of mitogen-activated protein kinases (MAPKs) such as the p38 MAPK and extracellular signal-regulated kinase (ERK) 1/2...
August 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28774662/hamilton-rating-scale-for-depression-24-ham-d24-as-a-novel-predictor-for-diabetic-microvascular-complications-in-type-2-diabetes-mellitus-patients
#9
Shuo Pan, Zhong-Wei Liu, Shuang Shi, Xun Ma, Wen-Qian Song, Gong-Chang Guan, Yong Zhang, Shun-Ming Zhu, Fu-Qiang Liu, Bo Liu, Zhi-Guo Tang, Jun-Kui Wang, Ying Lv
The study was designed to investigate whether the hamilton rating scale for depression (24-items) (HAM-D24) can be used to predict the diabetic microvascular complications in type 2 diabetes mellitus (T2DM) patients. 288 hospitalized patients with T2DM were enrolled. Their diabetic microvascular complications including diabetic nephropathy, diabetic retinopathy, diabetic peripheral neuropathy and diabetic foot as well as demographic, clinical data, blood samples and echocardiography were documented. All the enrolled patients received HAM-D24 evaluation...
July 26, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28771279/superoxide-dismutase-2-is-dispensable-for-platelet-function
#10
Trevor P Fidler, Jesse W Rowley, Claudia Araujo, Luc H Boudreau, Alex Marti, Rhonda Souvenir, Kali Dale, Eric Boilard, Andrew S Weyrich, E Dale Abel
Increased intracellular reactive oxygen species (ROS) promote platelet activation. The sources of platelet-derived ROS are diverse and whether or not mitochondrial derived ROS, modulates platelet function is incompletely understood. Studies of platelets from patients with sickle cell disease, and diabetes suggest a correlation between mitochondrial ROS and platelet dysfunction. Therefore, we generated mice with a platelet specific knockout of superoxide dismutase 2 (SOD2-KO) to determine if increased mitochondrial ROS increases platelet activation...
August 3, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28770228/mmp-2-mmp-9-and-timp-4-and-response-to-aspirin-in-diabetic-and-nondiabetic-patients-with-stable-coronary-artery-disease-a-pilot-study
#11
Wiktor Kuliczkowski, Marek Radomski, Mariusz Gąsior, Joanna Urbaniak, Jacek Kaczmarski, Andrzej Mysiak, Marta Negrusz-Kawecka, Iwona Bil-Lula
BACKGROUND: High on-aspirin treatment platelets reactivity (HPR) is a significant problem in long-term secondary prevention of cardiovascular events. We hypothesize that imbalance between platelets MMPs/TIMPs results in cardiovascular disorders. We also explored whether chronically elevated blood glucose affects MMP-2/TIMP-4 release from platelets. MATERIALS AND METHODS: Seventy patients with stable coronary artery disease, supplemented with aspirin, participated in this pilot study...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28768756/impact-of-timing-on-the-functional-recovery-achieved-with-platelet-supplementation-after-treatment-with-ticagrelor
#12
M Urooj Zafar, Donald A Smith, Usman Baber, Samantha Sartori, Kevin Chen, David W Lam, Carlos A Linares-Koloffon, Juan Rey-Mendoza, Gustavo Jimenez Britez, Gines Escolar, Valentin Fuster, Juan J Badimon
BACKGROUND: American College of Cardiology/American Heart Association guidelines advise waiting 5 to 7 days before operating on P2Y12 inhibitor-treated acute coronary syndrome patients, to allow dissipation of its antiplatelet effects. Platelet transfusion is often used to restore hemostasis during operations, but its effectiveness and optimal timing are unclear. We investigated the degree of functional gains obtained from platelet supplementation after loading and maintenance of dual antiplatelet therapy with ticagrelor and the influence of timing on this strategy...
August 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28765529/intracoronary-imaging-cholesterol-efflux-and-transcriptomics-after-intensive-statin-treatment-in-diabetes
#13
Surbhi Chamaria, Kipp W Johnson, Yuliya Vengrenyuk, Usman Baber, Khader Shameer, Aparna A Divaraniya, Benjamin S Glicksberg, Li Li, Samit Bhatheja, Pedro Moreno, Akiko Maehara, Roxana Mehran, Joel T Dudley, Jagat Narula, Samin K Sharma, Annapoorna S Kini
Residual atherothrombotic risk remains higher in patients with versus without diabetes mellitus (DM) despite statin therapy. The underlying mechanisms are unclear. This is a retrospective post-hoc analysis of the YELLOW II trial, comparing patients with and without DM (non-DM) who received rosuvastatin 40 mg for 8-12 weeks and underwent intracoronary multimodality imaging of an obstructive nonculprit lesion, before and after therapy. In addition, blood samples were drawn to assess cholesterol efflux capacity (CEC) and changes in gene expression in peripheral blood mononuclear cells (PBMC)...
August 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28760712/glucose-impairs-aspirin-inhibition-in-platelets-through-a-nad-p-h-oxidase-signaling-pathway
#14
Gennadi Kobzar, Vilja Mardla, Nigulas Samel
Hyperglycemia has been suggested to play a role in the increased platelet resistance to antiplatelet therapy in patients with diabetes mellitus. Exposure to high glucose impairs platelet inhibition by aspirin. It has been found that antioxidant agents reduce the effect of glucose, confirming the involvement of reactive oxygen species (ROS) in the effect of glucose. The aim of the study was to examine the mechanism of ROS increase by high glucose in aspirin-treated platelets. Platelet aggregation was measured by the optical method, and the production of ROS was detected using luminol-dependent horseradish peroxidase-enhanced chemiluminescence...
July 29, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28758719/neutrophil-to-lymphocyte-ratio-and-platelet-to-lymphocyte-ratio-as-predictors-of-survival-after-heart-transplantation
#15
Ignacio M Seropian, Francisco J Romeo, Rodolfo Pizarro, Norberto O Vulcano, Ricardo A Posatini, Ricardo G Marenchino, Daniel H Berrocal, Cesar A Belziti
AIMS: The aim of this study was to evaluate whether neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) predict outcome in heart failure (HF) patients undergoing heart transplantation (HTX). METHODS AND RESULTS: Data from 111 HF patients undergoing HTX 2010-2015 were retrospectively reviewed. NLR and PLR were calculated before HTX, immediately after HTX, and at 6 and 24 hours. Primary endpoint was in-hospital mortality, and secondary endpoints were 1 year mortality and renal replacement therapy (RRT)...
July 31, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28754568/quantifying-ischemic-risk-after-percutaneous-coronary-intervention-attributable-to-high-platelet-reactivity-on-clopidogrel-from-the-assessment-of-dual-antiplatelet-therapy-with-drug-eluting-stents-study
#16
Björn Redfors, Ori Ben-Yehuda, Sheng-Hsuan Lin, Ariel Furer, Ajay J Kirtane, Bernhard Witzenbichler, Giora Weisz, Thomas D Stuckey, Akiko Maehara, Philippe Généreux, Gennaro Giustino, Michael J Rinaldi, Franz-Josef Neumann, D Christopher Metzger, Timothy D Henry, David A Cox, Peter L Duffy, Ernest L Mazzaferri, Girma Minalu Ayele, Roxana Mehran, Gary S Mintz, Gregg W Stone
Patients at high risk of thrombotic events after percutaneous coronary intervention (PCI) may potentially benefit from intensified antiplatelet therapy. However, more potent antiplatelet therapy would be expected to only overcome risk that is mediated by high platelet reactivity (PR). We used mediation analysis to determine the contribution of residual PR to the 2-year risk of major adverse cardiac events (MACE; the composite of cardiac death, myocardial infarction, or stent thrombosis) associated with clinical risk factors after PCI with drug-eluting stents (DES) in 8,374 patients from the prospective, multicenter Assessment of Dual AntiPlatelet Therapy with Drug-Eluting Stents (ADAPT-DES) registry...
June 28, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28752728/evaluation-of-on-clopidogrel-platelet-reactivity-overtime-syntax-score-genetic-polymorphisms-and-their-relationship-to-one-year-clinical-outcomes-in-stemi-patients-undergoing-pci
#17
Harsha V Erathi, Rajasekhar Durgaprasad, Vanajakshamma Velam, P V Sarma, Madhavi Rodda, C Kapil, Sreedhar N Kanavath
OBJECTIVES: To investigate the variability of On-clopidogrel platelet reactivity overtime, the association between HTPR, gene polymorphism and Syntax Score (SS) for risk prediction of MACE in patients with ST-Elevation Myocardial Infarction (STEMI) undergoing percutaneous coronary intervention (PCI). BACKGROUND: Platelet function testing may be used to optimize antiplatelet therapy in high risk patients, but identification of this subset of patients remains a challenge...
July 27, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28750536/magnetite-quantum-dot-immunoarray-for-plasmon-coupled-fluorescence-imaging-of-blood-insulin-and-glycated-hemoglobin
#18
Vini Singh, Rajasekhara Nerimetla, Ming Yang, Sadagopan Krishnan
New microarray chip strategies that are sensitive and selective and that can measure low levels of important biomarkers directly in a blood sample are significant for improving human health by allowing timely diagnosis of an abnormal condition. Herein, we designed an antibody-aptamer immunoarray chip to demonstrate simultaneous measurement of blood insulin and glycated hemoglobin (HbA1c) levels relevant to diabetic and prediabetic disorders using a surface plasmon microarray with validation by fluorescence imaging...
July 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28750194/ketoacidosis-alone-does-not-predispose-to-mucormycosis-by-lichtheimia-in-a-murine-pulmonary-infection-model
#19
Bianca Schulze, Günter Rambach, Volker U Schwartze, Kerstin Voigt, Katja Schubert, Cornelia Speth, Ilse D Jacobsen
Mucormycosis is a rare fungal infection; however, the number of cases increased during the last decades. The main risk factors are immunosuppression and uncontrolled diabetes mellitus. Although Lichtheimia species represent a common cause of mucormycosis in Europe, virulence and pathogenesis of this genus has not been investigated in detail yet. Using murine pulmonary infection models, we found that immunosuppression is essential for establishment of infection. The disease was characterized by necrosis, angioinvasion, thrombosis, and the lethal course of infection was associated with systemic activation of platelets...
July 27, 2017: Virulence
https://www.readbyqxmd.com/read/28746808/effects-of-kisspeptin-on-diabetic-rat-platelets
#20
Zsófia Mezei, Sándor Váczi, Viktória Török, Csaba Stumpf, Rita Ónody, Imre Földesi, Gyula Szabó
Hyperglycemia, hyperlipidemia and free radicals result in platelet activation and atherogenesis. Kisspeptin (KP) is able to regulate metabolism, hemostasis and the development of atherosclerosis. We examined whether platelet aggregation of streptozotocin-induced diabetic rats depends on the inducer type and if KP-13 and RF-9 (a kisspeptin receptor modifier) can influence platelet function. We measured the speed and the maximum of aggregation, along with the area under the curve. Serum glucose and calcium levels and urine formation of diabetic animals increased, while the body weight and platelet count decreased...
July 26, 2017: Canadian Journal of Physiology and Pharmacology
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