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Acute coronary syndromes

Bin Wang, Suijun Liu, Ling Li, Qiuming Yao, Ronghua Song, Xiaoqing Shao, Qian Li, Xiaohong Shi, Jin-An Zhang
BACKGROUND: Non-thyroidal illness syndrome (NTIS) is characterized by decreased serum triiodothyronine level without increased thyroid-stimulating hormone level during critical illness. The summary data on the prevalence of NTIS in cardiovascular patients are lacking, and its prognostic role in cardiovascular patients is also unclear. METHODS: We performed a systematic review and meta-analysis to comprehensively determine the prevalence and the prognostic role of NTIS in cardiovascular patients...
October 18, 2016: International Journal of Cardiology
Ahmed F Abdel-Magid
No abstract text is available yet for this article.
October 13, 2016: ACS Medicinal Chemistry Letters
Alexander J Sweidan, Navneet K Singh, Natasha Dang, Vinh Lam, Jyoti Datta
INTRODUCTION: Amiodarone is often used in the suppression of tachyarrhythmias. One of the more serious adverse effects includes amiodarone pulmonary toxicity (APT). Several pulmonary diseases can manifest including interstitial pneumonitis, organizing pneumonia, acute respiratory distress syndrome, diffuse alveolar hemorrhage, pulmonary nodules or masses, and pleural effusion. Incidence of APT varies from 5-15% and is correlated to dosage, age of the patient, and preexisting lung disease...
2016: Clinical Medicine Insights. Case Reports
Jianguo Ma, Yuan Luo, René R Sevag Packard, Teng Ma, Yichen Ding, Parinaz Abiri, Yu-Chong Tai, Qifa Zhou, Kirk K Shung, Rongsong Li, Tzung Hsiai
Plaque rupture causes acute coronary syndromes and stroke. Intraplaque oxidized low density lipoprotein (oxLDL) is metabolically unstable and prone to induce rupture. We designed an intravascular ultrasound (IVUS)-guided electrochemical impedance spectroscopy (EIS) sensor to enhance the detection reproducibility of oxLDL-laden plaques. The flexible 2-point micro-electrode array for EIS was affixed to an inflatable balloon anchored onto a co-axial double layer catheter (outer diameter = 2 mm). The mechanically scanning-driven IVUS transducer (45 MHz) was deployed through the inner catheter (diameter = 1...
November 1, 2016: Sensors and Actuators. B, Chemical
E Villarreal, R Jannone, A Castellanos
No abstract text is available yet for this article.
October 20, 2016: Medicina Intensiva
Mohamed M Al-Daydamony, El-Sayed M Farag
AIM: To examine the value of CRUSADE bleeding score in predicting bleeding events in our local patients with acute coronary syndrome (ACS) in Zagazig University Hospitals. METHODS: Our study included 240 patients with ACS. They underwent history and clinical examination; 12-lead electrocardiography; echocardiography; troponin I, hematocrit value; estimated glomerular filtration rate (eGFR); application of CRUSADE score; and follow-up of the hospital stay and documentations of events...
September 2016: Indian Heart Journal
Jacob Crawshaw, Vivian Auyeung, Sam Norton, John Weinman
OBJECTIVE: Medication non-adherence following acute coronary syndrome (ACS) is associated with poor clinical outcomes. A systematic review and meta-analysis were undertaken to identify psychosocial factors associated with medication adherence in patients with ACS. METHODS: A search of electronic databases (Cochrane Library, Medline, EMBASE, PsycINFO, Web of Science, International Pharmaceutical Abstracts, CINAHL, ASSIA, OpenGrey, EthOS and WorldCat) was undertaken to identify relevant articles published in English between 2000 and 2014...
November 2016: Journal of Psychosomatic Research
S Tatishvili, M Sinitsa, R Jorbendaze, G Kavtaradze
Severe infarction or its consequences are considered as triggering factors of incidental depression. The aim of our study was to reveal factors associated with depressive episode in patients hospitalized with acute coronary syndrome (acute myocardial infarction, unstable angina). The Beck Depression inventory (BDI) was used for assessment of depressive symptoms in patients with coronary disease in Emergency Cardiology Clinic Tbilisi, Georgia. The study sample included 84 patients. The clinical Information was collected from hospital recordings...
September 2016: Georgian Medical News
Anne-Maree Kelly, Sharon Klim
BACKGROUND: To determine the rate of all cause and cardiac death, new myocardial infarction (MI) or coronary revascularisation at over three years from index visit in emergency department chest pain patients without known coronary artery disease (CAD) at index presentation who had a negative electrocardiogram (ECG) and biomarker workup for acute coronary syndrome (ACS). METHODS: An unplanned sub-study of a prospective observational study of consecutive adult patients presenting to the ED with atraumatic chest pain (or equivalents)...
September 13, 2016: Heart, Lung & Circulation
Leszek Szablewski, Anna Sulima
It is known fact that diabetes mellitus (DM) affects blood cells. Changes in the erythrocyte membrane, disorder in hemoglobin oxygen-binding and modification in mechanical characteristics, are effects of hyperglycemia on red blood cells. Altered susceptibility infection of patients with diabetes has been ascribed to a depression in the function of polymorphonuclear leukocytes. Neutrophil function in case of patients with diabetes with good glucose control is slightly different than in the case of healthy ones...
October 21, 2016: Biological Chemistry
Walter H Reinhart
The hematocrit (Hct) determines the oxygen carrying capacity of blood, but also increases blood viscosity and thus flow resistance. From this dual role the concept of an optimum Hct for tissue oxygenation has been derived. Viscometric studies using the ratio Hct/blood viscosity at high shear rate showed an optimum Hct of 50-60% for red blood cell (RBC) suspensions in plasma. For the perfusion of an artificial microvascular network with 5-70μm channels the optimum Hct was 60-70% for high driving pressures. With lower shear rates or driving pressures the optimum Hct shifted towards lower values...
October 21, 2016: Clinical Hemorheology and Microcirculation
Saamir A Hassan, Syed Wamique Yusuf, Jyoti Sharma, Jasmine Khan, Michele Guindani, Vicente Valero, Mariana Chavez-McGregor, Jose Banchs
OBJECTIVES: To identify unique echocardiographic features that could be used to reliably predict LVEF recovery upon resolution of sinus tachycardia in patients with cancer. BACKGROUND: Sinus tachycardia may be a manifestation of underlying cardiomyopathy or can lead to a reversible form of dilated cardiomyopathy known as tachycardia-mediated cardiomyopathy. While distinguishing the two can be challenging, predicting recovery regardless of cause can be of significant clinical importance in the cancer population...
October 21, 2016: Echocardiography
Matthias Lachaud, Lucile Houyel, Alban Baruteau, Jérome Petit, Véronique Gournay, Jean François Paul
No abstract text is available yet for this article.
October 21, 2016: Cardiology in the Young
Satish Chirde
A 45 yrs male presented with angina. ECG showed transient CHB, T wave inversion in V3 to V6 and inferior leads. It was difficult to predict the culprit vessel based on ECG. Coronary angiography showed thrombotic lesions in LAD, LCX and OM which can potentially impact identification of culprit vessel and hence affect the management with primary PCI.
October 2016: Journal of the Association of Physicians of India
Debjani S Goswami, Tanuja P Manohar
INTRODUCTION: Cardiovascular diseases are becoming the major cause of morbidity and mortality in most of the developing countries including India. Cardiometabolic risk factors play a vital role in causation of coronary artery disease. Present study was carried out to investigate the role of various risk factors in the occurrence of coronary artery disease (CAD) in population from Central India. SETTING AND DESIGN: This was a hospital-based age and sex matched case-control study, carried out at Lata Mangeshkar Hospital, Nagpur...
October 2016: Journal of the Association of Physicians of India
April Robinson, Delilah McCarty, Janine Douglas
Acute coronary syndrome (ACS) is a cardiovascular condition with a multifactorial pathophysiology that includes atherosclerotic plaques, platelet activation and thrombin production, among others. Thrombin production and the prothrombotic state of ACS patients have provided a role for anticoagulants to treat patients during the acute event and has led to subsequent research for the post-acute state. Warfarin has an indication for ACS, however, it is restricted to specific patients and many factors limit its use...
October 7, 2016: Therapeutic Advances in Cardiovascular Disease
Xiuqing Tian, Rui Guo, Yujiao Zhang, Lingling Xu, Xianbing Liu, Yinglong Hou
OBJECTIVE: To observe the effects of sympathetic overactivity on the immune system involved in the imbalance of T helper (Th) lymphocytes, we investigated the correlation between autonomic dysregulation and the generation of regulatory T (Treg) and Th1 chemokines in patients with acute coronary syndrome (ACS). METHODS: Blood samples obtained from patients with coronary artery disease and controls were analyzed for levels of Th1 and Treg cells and their associated cytokines by flow cytometry...
October 21, 2016: Neuroimmunomodulation
H S Rehan, M Andley, P Nagar, V Maharshi
A 29 year male, with an inoperable adenocarcinoma of gall bladder was initiated on gemcitabine and a platinum compound based chemotherapy. During 4th cycle of chemotherapy, patient complained of chest pain following cisplatin and gemcitabine infusion. ECG was suggestive of acute coronary syndrome, which was successfully managed by antianginal therapy. Fifth cycle of chemotherapy was uneventful. Patient died of cardiovascular collapse before receiving the 6th cycle of chemotherapy. As per Naranjo adverse drug reaction probability scale, causal association of the event with cisplatin and gemcitabine was probable and possible respectively...
September 2016: Journal of the Association of Physicians of India
Gerard Pasterkamp, Hester M den Ruijter, Peter Libby
The concept of the 'vulnerable plaque' originated from pathological observations in patients who died from acute coronary syndrome. This recognition spawned a generation of research that led to greater understanding of how complicated atherosclerotic plaques form and precipitate thrombotic events. In current practice, an increasing number of patients who survive their first event present with non-ST-segment elevation myocardial infarction (NSTEMI) rather than myocardial infarction (MI) with ST-segment elevation (STEMI)...
October 20, 2016: Nature Reviews. Cardiology
Ali Pourdjabbar, Benjamin Hibbert, Aun-Yeong Chong, Michel R Le May, Marino Labinaz, Trevor Simard, F Daniel Ramirez, Peter Lugomirski, Ronnen Maze, Michael Froeschl, Christopher Glover, Alexander Dick, Jean-Francois Marquis, Jordan Bernick, George Wells, Derek Y F So
Ticagrelor has been endorsed by guidelines as the P2Y12 inhibitor of choice in patients with acute coronary syndrome. Clinically, some patients on ticagrelor will require a switch to clopidogrel; however, the optimal strategy and pharmacodynamics effects of switching remain unknown. Patients with an indication to switch were randomly assigned to either a bolus arm (Clopidogrel 600 mg bolus followed by 75 mg daily, n=30) or a no-bolus arm (Clopidogrel 75 mg daily, n=30). Blood samples were collected at baseline, 12, 24, 48, 54, 60 and 72 hours (h) for assessment of platelet reactivity...
October 20, 2016: Thrombosis and Haemostasis
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