Active clinical trials for "Vascular Diseases"

This study evaluates the ability of the drug sildenafil to improved exercise capacity, cardiac performance during exercise, and quality of life in patients with moderate to severe CF lung disease. 3/4 of the subjects will receive sildenafil and 1/4 will receive placebo.

Despite recent advances in stent technology and its widespread application in the treatment of peripheral vascular disease (PVD), incidences of partial or complete blockage of stent lumen (in-stent restenosis) due to in growth of cells (neo-intimal proliferation) is unacceptably high. In diabetics with long superficial femoral artery (SFA) lesions, in-stent restenosis rates are higher than in non-diabetics. Consequently interventional techniques that curtail in-stent restenosis have to be explored. Cryoplasty is a stent expansion method in which a balloon is expanded using pressurized nitrous oxide gas. As the nitrous oxide expands in the balloon it cools the surroundings to about -10 degrees C. This induces programed death (apoptosis) of the smooth muscle cells in arterial wall. The investigators hypothesize that Cryoplasty, by inducing an apoptotic smooth muscle cell response, when applied to post-dilation of nitinol self-expanding stents in the Superficial Femoral Artery (SFA) of diabetics, would lead to decreased in-stent restenosis due to decreased neointimal proliferation.

The aim of the study is to check whether an early adjustment of the Air-Limb prosthesis to Transtibial amputees due to vascular diseases, will shorten the healing time of the stump and the process of rehabilitation.

Prospective, randomized, controlled, single-blinded, parallel two-arm, multicenter trial. Test arm: XIENCE V® Everolimus Eluting Coronary Stent System(stent length: 18mm, diameter: 3.0mm) Control arm: Metallic stent (MULTI-LINK VISION® metallic stent(stent length: 18mm, diameter: 3.0mm) Follow-up angiographic imaging and intra vascular ultra sound (IVUS) at 180 days and 1 year

The purpose of this study is to investigate the performance of the ABSOLUTE™ .035 peripheral self-expanding stent system in preventing restenosis of occluded or stenotic superficial femoral or proximal popliteal arteries.

Comparison of two kinds of protheses for bridging of the femoropoplitea and/or femorotibiale: PTFE with or without bounded heparin

This study proposes ischemic preconditioning (IPC) as a novel intervention to improve walking distance in patients with intermittent claudication.

The aim of the current protocol is to study 40 patients, each for 12 weeks, to address hypotheses related to the ability of a telerehabilitation system to (a) improve motor status and disability, (b) collect various forms of patient data from the home, (c) improve risk factor knowledge and control, and (d) assess patient compliance with home-based telerehabilitation. Patients who have returned to their home after stroke will be provided with a telehealth system and be asked to use it 6 days/week for 12 weeks, during which time subjects will use this system for daily rehabilitation therapy, assessments, and education--all on one platform.

Randomized study comparing the results between drug-eluting stents and standard bare metal stents, when treating femoropopliteal lesions in patients with critical limb ischemia.

The investigators propose that once daily administration of PF-00489791, a phosphodiesterase inhibitor, will reduce vasospasm and improve symptoms and signs associated with Primary and Secondary Raynaud's Phenomenon.