Totally occluded infrainguinal arterial disease presents formidable challenges to endovascular revascularization. A variety of devices have been made available to make the crossing of these lesions more amenable to endovascular techniques. We discuss the novel use of a device that has been developed for crossing occluded coronary arteries, the Stingray Re-Entry System.

The preoperative assessment of the patient for neurosurgical and endovascular procedures involves the understanding of the neurological disease and its systemic presentation, and the requirements of the procedure. There is a wide spectrum of different neurosurgical disorders and procedures. This article provides an overview of the preoperative evaluation of these patients with respect to genera...

Introduction: Recent advancement of intravascular technique has minimized the operative invasiveness. In rivalry with this technique, aneurysmal clipping has become less and less invasive. Hitherto, three less invasive surgical approaches as supraorbital keyhole approach, lateral supraorbital keyhole approach, and pterion keyhole approach, have been proposed for the clipping of the anterior cir...

Ultrasonically induced microstreaming around bubbles of gas have been shown to cause damage to biological materials in vitro at clinical exposure levels. The potential for ultrasonically induced cavitation and microstreaming in mammalian systems is of interest with respect to the safe application of clinical ultrasound. Ultrasonically induced intravascular microstreaming and formation of thromb...

Advances in endovascular therapies during the past decade have broadened the options for treating peripheral vascular disease percutaneously. Endovascular treatment offers a lower risk alternative to open surgery in many patients with multiple comorbidities. Noninvasive physiological tests and arterial imaging precede an endovascular intervention and help localize the disease and plan the proce...

Digital subtracted angiography (DSA) remains the gold standard for diagnosis of cerebral vascular diseases and provides intraprocedural guidance. This practice involves extensive usage of x-ray and iodinated contrast medium, which can induce side effects. In this study, we examined the accuracy of 3-dimensional (3D) registration of magnetic resonance angiography (MRA) and DSA imaging for cerebr...

The World Wide Web has grown to be a huge pool for exchanging information and services. Indeed it has become a framework for distributed computing applications, with user interface provided through a web browser. It has potential in particular for distributed simulation applications, providing world wide access to training systems. In this paper we will report results from our prototype web-bas...

Since the introduction of percutaneous transluminal angioplasty (PTA) for peripheral arterial disease in the mid-1970s, PTA on occlusive ilio-femoral arterial lesions has become a widely accepted technique. As endovascular techniques have the advantage of lower morbidity and mortality risk compared with open surgical revascularizations. PTA has been applied for the treatment of focal disease. D...

Thoracic endovascular aortic reconstruction (TEVAR) is increasingly used in the management of descending aortic pathology including aneurysms, dissections and transaction. When treating aortic arch pathology, hybrid procedures have been devised, in which major supra-aortic arteries are translocated using a variety of techniques. Such hybrid procedures offer an attractive alternative to open arc...