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silent ischemia

Rafael Alexandre Meneguz-Moreno, José de Ribamar Costa, Freddy Antônio Britto Moscoso, Rodolfo Staico, Luiz Fernando Leite Tanajura, Marinella Patrizia Centemero, Auréa Jacob Chaves, Andrea Claudia Leão de Sousa Abizaid, Amanda Guerra de Moraes Rego E Sousa, Alexandre Antonio Cunha Abizaid
Background: Bioresorbable vascular scaffolds (BVS) were developed to improve the long-term results of percutaneous coronary intervention, restoring vasomotion. Objectives: To report very late follow-up of everolimus-eluting Absorb BVS (Abbott Vascular, Santa Clara, USA) in our center. Methods: Observational retrospective study, in a single Brazilian center, from August 2011 to October 2013, including 49 patients submitted to Absorb BVS implantation...
January 9, 2017: Arquivos Brasileiros de Cardiologia
Philippe Stébenne, Simon L Bacon, Anthony Austin, Nicola J Paine, André Arsenault, Catherine Laurin, Bernard Meloche, Jennifer Gordon, Jocelyn Dupuis, Kim L Lavoie
OBJECTIVES: Silent myocardial ischemia is thought to be associated with worse cardiovascular outcomes due to a lack of perception of pain cues that initiate treatment seeking. Negative affect (NA) has been associated with increased pain reporting and positive affect (PA) with decreased pain reporting, but these psychological factors have not been examined within the context of myocardial ischemia. This study evaluated the associations between PA, NA, and chest pain reporting in patients with and without ischemia during exercise testing...
December 22, 2016: Psychosomatic Medicine
Cheng Chang, Bo Ye, Wenhui Xie, Daoliang Zhang, Bei Lei, Xiaodan Ye
Silent myocardial ischemia is typically defined as objective evidence of myocardial ischemia in patients without subjective ischemia symptoms. Currently, coronary artery angiography is the gold standard for diagnosis of asymptomatic coronary artery disease (CAD). Computed tomography coronary angiography (CTCA) can visually demonstrate the morphology, trend and extent of coronary stenosis and is commonly used in clinical screening of CAD. Myocardial perfusion imaging can be used not only to identify whether anatomical stenosis causes myocardial dysfunction, but to also assess the risk stratification and prognosis of myocardial disease (MD)...
September 2016: Hellenic Journal of Nuclear Medicine
Waleed Kadro, Jehad Muhanna, Maya Turkmani, Ruwaid Rumman, Malik Zawahrah, Hussam Alrahim
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
Giovanni B Forleo Md PhD, Domenico G Della Rocca Md, Carlo Lavalle Md, Massimo Mantica Md, Lida P Papavasileiou Md, Valentina Ribatti Md, Germana Panattoni Md, Luca Santini Md PhD, Andrea Natale Md PhD, Luigi Di Biase Md PhD
Silent brain lesions due to thrombogenicity of the procedure represent recognized side effects of atrial fibrillation (AF) catheter ablation. Embolic risk is higher if anticoagulation is inadequate and recent studies suggest that uninterrupted anticoagulation, ACT levels above 300 seconds and administration of a pre-transeptal bolus of heparin might significantly reduce the incidence of silent cerebral ischemia (SCI) to 2%. Asymptomatic new lesions during AF ablation should suggest worse neuropsychological outcome as a result of the association between silent cerebral infarcts and increased long-term risk of dementia in non-ablated AF patients...
February 2016: Journal of Atrial Fibrillation
Anirudh Karanam, B G Shiva Kumar, Rajeswar Koriginja
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Daniele Bosone, Roberto Fogari, Matteo Cotta Ramusino, Natascia Ghiotto, Elena Guaschino, Annalisa Zoppi, Angela D'Angelo, Alfredo Costa
The aim of the study was to evaluate the usefulness of Holter monitoring for the detection of silent myocardial ischemia (SMI) in elderly type 2 diabetic patients with hypertension and the possible relationship between SMI and cardiovascular autonomic neuropathy (CAN). Two hundred and forty-three asymptomatic outpatients, aged 65-75 years, with type 2 diabetes and essential hypertension underwent 24-h ECG monitoring and 5 tests for the evaluation of both parasympathetic (heart rate variability, response to breath deeping, and Valsalva manoeuvre) and sympathetic (cold pressor test and orthostatic hypotension test) autonomic function...
October 6, 2016: Heart and Vessels
Mohammad M Al-Daydamony, Mohammad A El-Tahlawi, Ahmad Shawky
BACKGROUND: Coronary artery disease (CAD) is an important cause of morbidity and mortality in patients with diabetes. Silent myocardial ischemia (SMI) is common in patients with diabetes and is associated with poorer prognosis. Myocardial performance index "Tei index" that reflects both left ventricular (LV) systolic and diastolic function. The aim of our study was to test the value of Tei index in prediction of SMI in asymptomatic patients with type 2 diabetes. PATIENTS AND METHODS: Asymptomatic patients with type 2 diabetes were included in our study...
December 2016: Echocardiography
Yasuhiro Nakano, Kenji Sadamatsu
Minimizing the catheter size can reduce vascular access complications and contrast dye usage in coronary angiography. The small diameter of the 4Fr guiding catheter has limited the use of several angioplasty devices such as intravascular ultrasound (IVUS) in the past. However, the combination of a novel IVUS catheter and a 0.010 guidewire makes it possible to perform IVUS-guided percutaneous coronary intervention (PCI) with a 4Fr guiding catheter. We herein report the case of a 51-year-old man with silent myocardial ischemia who underwent IVUS-guided transradial PCI with a 4Fr guiding catheter...
2016: Case Reports in Cardiology
J Gómez-Salazar, J Tovar-López, G Hernández-Rodríguez, H De la Concha-Ureta
Arterial pseudoaneurysm of the lower limb is an infrequent entity, particularly in the infrapopliteal segment. It is commonly associated to vascular repairs or follows a localized arterial lesion, a fracture or a surgical procedure. There is little information in Mexico about this entity in cases involving the anterior tibial artery, and secondary to trauma and osteosynthesis. Given that sudden bleeding due to rupture of the pseudoaneurysm is a possible catastrophic outcome for the viability of the segment, it is important to timely detect and diagnose the pseudoaneurysm...
January 2016: Acta Ortopédica Mexicana
Michele M Pelter, Denise Loranger, Teri M Kozik, Richard Fidler, Xiao Hu, Mary G Carey
BACKGROUND: Most patients presenting with suspected acute coronary syndrome (ACS) are admitted to telemetry units. While telemetry is an appropriate level of care, acute complications requiring a higher level of care in the intensive care unit (ICU) occur. PURPOSE: Among patients admitted to telemetry for suspected ACS, we determine the frequency of unplanned ICU transfer, and examine whether ECG changes indicative of myocardial ischemia, and/or symptoms preceded unplanned transfer...
November 2016: Journal of Electrocardiology
Masaki Ieda
It is well known that cardiac function is tightly controlled by neural activity; however, the molecular mechanism of cardiac innervation during development and the relationship with heart disease remain undetermined. My work has revealed the molecular networks that govern cardiac innervation and its critical roles in heart diseases such as silent myocardial ischemia and arrhythmias. Cardiomyocytes proliferate during embryonic development, but lose their proliferative capacity after birth. Cardiac fibroblasts are a major source of cells during fibrosis and induce cardiac hypertrophy after myocardial injury in the adult heart...
September 23, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
Baixue Zhang, Qi Zhang, Wengang Liu, Wenhui Zhu, Jidong Xiao
OBJECTIVE: To analyze the characteristics of left ventricular rotation and twist in patients with silent myocardial ischemia (SMI) by three-dimensional speckle tracking echocardiography (3D-STE), and to explore the diagnostic value of this method for SMI.
 METHODS: According to Gensini score, 66 patients with SMI were divided into 3 subgroups: a mild lesion group (n=16), a moderate lesion group (n=26) and a severe lesion group (n=24). Thirty patients with negative results in selective coronary angiography served as a control group...
July 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
Pavel Leinveber, Josef Halamek, Pavel Jurak
Ambulatory monitoring represents an effective tool for the assessment of silent and transient myocardial ischemia during routine daily activities. Incidence of silent ischemia can provide important prognostic information about patients with coronary artery disease or acute coronary syndrome, as well as about post-myocardial infarction patients. The current technological progress enables development of powerful and miniaturized wearable devices for Holter monitoring. Higher sampling rates, dynamic range, and extended computational and storage capacity allow for considering of more complex methodological solutions such as high-frequency QRS analysis for diagnosing myocardial ischemia...
November 2016: Journal of Electrocardiology
Domenico Rendina, Renato Ippolito, Gianpaolo De Filippo, Riccardo Muscariello, Daniela De Palma, Silvana De Bonis, Michele Schiano di Cola, Domenico Benvenuto, Maurizio Galderisi, Pasquale Strazzullo, Ferruccio Galletti
Silent myocardial ischemia (SMI) is frequently observed in patients with essential hypertension (EH). The major risk factor for SMI is uncontrolled blood pressure (BP), but SMI is also observed in patients with well-controlled BP. To evaluate the prevalence of SMI and the factors associated with SMI in EH patients with well-controlled BP. The medical records of 859 EH patients who underwent simultaneous 24-h ambulatory blood pressure monitoring (ABPM) and 24-h ambulatory electrocardiogram recording (AECG) were retrospectively evaluated...
August 26, 2016: Internal and Emergency Medicine
T Lozano, J Ena
Cardiovascular autonomic neuropathy associated with diabetes mellitus is caused by an impairment of the autonomic system. The prevalence of this condition ranges from 20% to 65%, depending on the duration of the diabetes mellitus. Clinically, the autonomic function disorder is associated with resting tachycardia, exercise intolerance, orthostatic hypotension, intraoperative cardiovascular instability, silent myocardial ischemia and increased mortality. For the diagnosis, the integrity of the parasympathetic and sympathetic nervous system is assessed...
August 17, 2016: Revista Clínica Española
Waleed Brinjikji, Vance T Lehman, John Huston, M Hassan Murad, Giuseppe Lanzino, Harry J Cloft, David F Kallmes
BACKGROUND AND PURPOSE: The purpose of this systematic review and meta-analysis was to determine whether carotid stenting patients with intraplaque hemorrhage (IPH) identified on preoperative MRI were more likely to suffer perioperative ischemic complications compared with patients without IPH. METHODS: We conducted a comprehensive literature search of studies published between January 1, 2005 and December 31, 2015 reporting perioperative outcomes of carotid stenting among patients with and without IPH on hemorrhage sensitive carotid MRI sequences...
August 18, 2016: Journal of Neurointerventional Surgery
Cordula M Felix, Jiang Ming Fam, Roberto Diletti, Yuki Ishibashi, Antonios Karanasos, Bert R C Everaert, Nicolas M D A van Mieghem, Joost Daemen, Peter P T de Jaegere, Felix Zijlstra, Evelyn S Regar, Yoshinobu Onuma, Robert-Jan M van Geuns
OBJECTIVES: This study sought to report on clinical outcomes beyond 1 year of the BVS Expand registry. BACKGROUND: Multiple studies have proven feasibility and safety of the Absorb bioresorbable vascular scaffold (BVS) (Abbott Vascular, Santa Clara, California). However, data on medium- to long-term outcomes are limited and available only for simpler lesions. METHODS: This is an investigator-initiated, prospective, single-center, single-arm study evaluating performance of the BVS in a lesion subset representative of daily clinical practice, including calcified lesions, total occlusions, long lesions, and small vessels...
August 22, 2016: JACC. Cardiovascular Interventions
Lisha Zhao, Lina Xu, Xufeng Tao, Xu Han, Lianhong Yin, Yan Qi, Jinyong Peng
Renal ischemia-reperfusion injury (IRI) is a major cause of acute kidney injury (AKI). Our previous studies have shown that the total flavonoids (TFs) from Rosa laevigata Michx fruit has various activities, however, there were no papers reporting the role of the TFs against renal IRI. In the present work, a hypoxia/reoxygenation (H/R) model in NRK-52E cells and ischemia-reperfusion model in rats were used. The results showed that the TFs significantly attenuated cell injury and markedly decreased serum creatinine (Cr) and blood urea nitrogen (BUN) levels in rats...
July 21, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Paul Valensi, Antoine Avignon, Ariane Sultan, Bernard Chanu, Minh Tuan Nguyen, Emmanuel Cosson
BACKGROUND: To investigate whether atherogenic dyslipidemia, a dyslipidemic profile combining elevated triglycerides and low high-density lipoprotein (HDL) cholesterol, is predictive of risk of silent myocardial ischemia (SMI) or angiographic coronary artery disease (CAD) in asymptomatic patients with type 2 diabetes. METHODS: Cohort study in 1080 asymptomatic patients with type 2 diabetes with a normal resting electrocardiogram, at least one additional cardiovascular risk factor and low density lipoprotein (LDL) cholesterol <3...
July 22, 2016: Cardiovascular Diabetology
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