نتایج جستجو برای: inverse transient analysis ita

تعداد نتایج: 2993565  

2017
Yehonatan Ben-Zvi Natalie Reznikov Ron Shahar Steve Weiner

Cancellous bone is an intricate network of interconnected trabeculae, to which analysis of network topology can be applied. The inter-trabecular angle (ITA) analysis—an analysis of network topological parameters and regularity of network-forming nodes—was previously carried out on human proximal femora and showed that trabecular bone follows two main principles: sparsity of the network connecte...

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2008
Thomas A Schwann Anoar Zacharias Christopher J Riordan Samuel J Durham Aamir S Shah Robert H Habib

OBJECTIVES The evidence supporting the survival benefit of multiple arterial grafts in the general coronary bypass surgery (CABG) population is compelling. Alternatively, results of studies comparing 2 versus 1 internal thoracic artery (ITA) grafts in diabetics have reported conflicting survival data. The use of radial versus ITA as the second arterial conduit has not been studied. METHODS We...

2013
Tian-xiang Zhu Bin Lan Ling-ying Meng Yan-long Yang Rui-xiong Li En-min Li Shao-yi Zheng Li-yan Xu

UNLABELLED Currently, Saphenous vein (SV) and internal thoracic artery (ITA) are still the most common graft materials in Coronary Artery Bypass Grafting (CABG) whereas SV graft have a lower long-term patency than ITA. Vascular smooth muscle cells (VSMCs) phenotype conversion, proliferation and migration may play a key role in mechanism of vein graft restenosis. To explore differential gene exp...

2014
Sahar Gideon

25 Objective: We compared the flow rates, reactivity and morphology of the distal Internal Thoracic Artery 26 (ITA) and its branches, the Superior Epigastric (SE) and Musculophrenic (MP) arteries to test their 27 applicability as possible conduits in coronary artery bypass grafting (CABG) surgeries. 28 Methods: Skeletonized ITA and sub-divisions of patients undergoing CABG were studied 29 intra...

Journal: :Annals of vascular diseases 2012
Makoto Hashimoto Akihiko Yamauchi Shuichi Naraoka Satomi Inoue Tetsuya Higami

OBJECTIVE A less invasive method to assess internal thoracic artery (ITA) graft function after coronary artery bypass grafting (CABG) is desired. This study reports the novel method to estimate ITA graft function using CT angiography. MATERIALS AND METHODS Fifty ITA grafts were assessed. Hounsfield Unit transition of each graft on the same cross section was detected during the Test Bolus Inje...

2017
Yiran Feng Xiaolan Yang Huimin Chong Deqiang Wang Xiaolei Hu Chang-Guo Zhan Fei Liao

High-throughput estimation of specific activities of an enzyme and its mutants in a group (enzyme/mutants) in cell lysates via high-throughput assay of their activities and separate immunoturbidimetric assay (ITA) of their proteins was proposed. Pseudomonas aeruginosa arylsulfatase (PAAS) and Bacillus fastidious uricase (BFU) served as two models. ITA employed 0.75 mg of antisera against PAAS o...

Journal: :Circulation 2005
David Glineur Philippe Noirhomme Jim Reisch Gebrine El Khoury Parla Astarci Claude Hanet

BACKGROUND The use of both internal thoracic arteries (ITAs) as a Y-graft configuration has been proposed as a technique allowing complete arterial revascularization. Controversy remains, however, about the capacity of this Y-graft configuration to provide sufficient blood flow to the whole left coronary system and about possible steal phenomenon occurring during periods of maximal myocardial b...

Journal: :Journal of Water and Climate Change 2022

Abstract Understanding trends and variability of precipitation is essential to improve water resources utilization as well agricultural activities. This study aims investigate the spatiotemporal rainfall in Modjo watershed, central Ethiopia. The Mann-Kendall trend (M–K) test, innovative analysis (ITA) Sen's slope estimator were used determine temporal trends, while inverse distance weighted int...

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 1996
J Cremer W Harringer G Hermann M Lins M Brandt C Ostermann A Haverich

OBJECTIVE The low perioperative flow rates of internal thoracic artery (ITA) conduits have been regarded as a limitation of their use in critical coronary situations with a high myocardial blood demand. To clarify whether these restrictions are justified, early postoperative flow rates were determined. METHODS Following bilateral ITA grafting, 48 of 106 patients (April 1993-September 1994) un...

2009
Suk-Jung Choo Sang-Kwon Lee Sung-Woon Chung Jong-Won Kim Si-Chan Sung Young-Dae Kim Mi-Ju Bae June-Hong Kim Kook-Jin Chon Han-Cheol Lee

PURPOSE Bilateral in situ internal thoracic artery (ITA) bypassing may result in excellent myocardial revascularization without increasing the risk of deep sternal wound infection. Although there have been concerns with the use of pedicled bilateral ITA, the risk of infection may not be greater than the use of skeletonized ITA. MATERIALS AND METHODS The present study was retrospectively under...

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