Because hepatocyte growth factor (HGF) stimulates growth of endothelial cells exclusively without replication of vascular smooth muscle cells, we hypothesized that HGF may play a role in cardiovascular disease. In human vascular smooth muscle cells, angiotensin II suppressed local vascular HGF production in a dose-dependent manner. Using a rat balloon-injury carotid artery model, we demonstrate...

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This paper describes a technique to accurately simulate a balloon expanding and bursting. Physical simulation is achieved through use of a spring-damper model with point masses to represent the surface of the balloon. Visual characteristics of the balloon, such as variable opacity and variable shininess are also addressed by this approach using material attributes in the SGI lighting model. Spr...

OBJECTIVES This study evaluated the long-term impact of endoluminal low power red laser light (LPRLL) on restenosis in an atherosclerotic rabbit model. BACKGROUND Despite widespread application of balloon angioplasty for treatment of coronary artery disease, restenosis limits its clinical benefits. Restenosis is a complex process and may be partly attributed to the inability of the vascular e...

OBJECTIVE The study objective was to evaluate the association between timing of intraaortic balloon pump insertion and outcomes in patients undergoing cardiac surgery. METHODS All patients aged 18 years or more who underwent coronary artery bypass surgery, cardiac valve surgery, or thoracic aortic surgery between January 2002 and December 2007 were included. Data were obtained from cardiac su...

The modified NRTL (m-NRTL) model is used to represent the excess Gibbs free energy of aqueous (alcohol + electrolyte) solutions. In this work, the m-NRTL model previously developed for representation of vapor-liquid equilibria for (polymer + salt + water) systems has been extended to represent liquid-liquid equilibria of (alcohol + salt + water) systems. The proposed extension is a modified of ...

An extended enterprise (EE) can be described by a set of models each representing a specific aspect of the EE. Aspects can for example be the process flow or the value description. However, different models are done by different people, which may use different terminology, which prevents relating the models. Therefore, we propose a framework consisting of process flow and value aspects and in a...

INTRODUCTION The use of ultrasound in anaesthetic practice continues to be more established and the use of ultrasound guidance in establishing vascular access is recommended by various groups. We have developed a tissue model for the practice and skills development in ultrasound vascular access. METHOD The tissue model consist of a piece of "pork belly", a longitudinal shaped balloon inserted...