نتایج جستجو برای: tfc

تعداد نتایج: 878  

2012
Khang Li Looi Colin Edwards Hamish Hart Jonathan P. Christiansen

INTRODUCTION Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a rare but important cause of sudden cardiac death. We investigated the role of cardiac magnetic resonance imaging (CMR) in the evaluation of patients with suspected ARVC referred by a general cardiology service. METHODS Ninety-two patients (mean age 48 ± 15, 49% female), referred for CMR assessment of possible ARVC, were ...

2014
Ting Liu Amit Pursnani Umesh C Sharma Yongkasem Vorasettakarnkij Daniel Verdini Peerawut Deeprasertkul Ashley M Lee Heidi Lumish Manavjot S Sidhu Hector Medina Stephan Danik Suhny Abbara Godtfred Holmvang Udo Hoffmann Brian B Ghoshhajra

BACKGROUND We sought to evaluate the effect of application of the revised 2010 Task Force Criteria (TFC) on the prevalence of major and minor Cardiovascular Magnetic Resonance (CMR) criteria for Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC) versus application of the original 1994 TFC. We also assessed the utility of MRI to identify alternative diagnoses for patients referred for ARVC e...

Journal: :Japanese heart journal 2003
Nihal Ozdemir Cihangir Kaymaz Cevat Kirma Murat Akçay Murat Yüce Fikret Turan Mehmet Ozkan

The TIMI frame count (TFC) is an index of coronary blood flow, and a correction in TFC (CTFC) for left anterior descending artery (LAD) has also been proposed. However, the relationship between TFC and intravascular ultrasound (IVUS) parameters of culprit coronary arteries has not been reported. The aim of this study was to investigate IVUS-derived correlates of TFC before and after stenting, a...

2013
Hamidreza Sanati Ali Zahedmehr Ata Firouzi Negar Salehi Mohsen Maadani Farshad Shakerian Reza Kiani Pedram Golnari Sepideh Parchami-Ghazaee Mohammadmehdi Peighambari

BACKGROUND TIMI Frame Count (TFC) is one of the methods to estimate the coronary blood flow velocity. This is a simple, inexpensive, quantitative, reproducible, and continuous variable method. Many studies have been conducted on TFC assessment in ST elevation myocardial infarction (STEMI) patients. OBJECTIVES The present study is aimed to measure the TFC in the coronary arteries of UA/NSTEMI ...

Journal: :Circulation. Arrhythmia and electrophysiology 2009
Moniek G P J Cox Jasper J van der Smagt Arthur A M Wilde Ans C P Wiesfeld Douwe E Atsma Marcel R Nelen Luz-Maria Rodriguez Peter Loh Maarten J Cramer Pieter A Doevendans J Peter van Tintelen Jacques M T de Bakker Richard N W Hauer

BACKGROUND Desmosomal changes, electric uncoupling, and surviving myocardial bundles in fibrofatty tissue characterize arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C). Resultant activation delay is pivotal for reentry and thereby ventricular tachycardia (VT). Current task force criteria (TFC) for diagnosis have limited sensitivity. The aim of this study was to assess the diag...

2010
Nancy H. Lin Myung-man Kim Gregory T. Lewis Yoram Cohen

A new class of surface-structured RO membranes was developed with a hydrophilic brush layer of terminally anchored polymer chains resulting in fouling resistant membranes of low mineral scaling propensity and high permeability. The approach is based on free-radical graft polymerization of a suitable monomer, onto the active polyamide (PA) layer of a thin film composite (PA-TFC) membrane, post-s...

Journal: :Journal of integrative medicine 2016
Min Yee Lim Jian Huang Bai-xiao Zhao Hui-qin Zou Yong-hong Yan

OBJECTIVE Moxibustion is an important traditional Chinese medicine therapy using heat from ignited moxa floss for disease treatment. The purpose of the present study is to establish a reproducible method to assess the color of moxa floss, discriminate the samples based on chromatic coordinates and explore the relationship between chromatic coordinates and total flavonoid content (TFC). METHOD...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2017
Xi Yang Yong Du Xi Zhang Ai He Zhi-Kang Xu

A mussel-inspired interlayer of polydopamine (PDA)/polyethylenimine (PEI) is codeposited on the ultrafiltration substrate to tune the interfacial polymerization of piperazine and trimesoyl chloride for the preparation of thin-film composite (TFC) nanofiltration membranes (NFMs). This hydrophilic interlayer results in an efficient adsorption of piperazine solution in the substrate pores. The sol...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم پایه 1391

غشاهای فیلم نازک مرکب (tfc) از رایج ترین غشاها می باشند که کاربردهای گسترده ای دارند. یکی از روش های معمول برای تهیه غشاهای tfc فرایند پلیمریزاسیون بین سطحی می باشد. در این مطالعه، روش پلیمریزاسیون بین سطحی، با استفاده از tmc و pip به عنوان واکنش دهنده برای تهیه پلی پیپرازین آمید روی ساپورت اولترا فیلتر پلی اترسولفونی مورد استفاده قرار گرفت. تأثیر آکریلیک اسید به عنوان یک مونومر آبدوست در فاز آ...

2013
Xaime García Peter Simon Francis X. Guyette Ravi Ramani Rene Alvarez Jorge Quintero and Michael R. Pinsky

BACKGROUND We compared the ability of noninvasive measurements of cardiac output (CO) and thoracic fluid content (TFC) and their change in response to orthostatic challenges to diagnose acute decompensate heart failure (ADHF) from non-ADHF causes of acute dyspnea in patients in the ED. METHODS Forty-five patients > 44 years old presenting in the ED with dyspnea were studied. CO and TFC wer...

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