Active clinical trials for "Peripheral Arterial Disease"

The main purpose of this study is the rate assessment of rescued limbs, one year after a BIOPROTEC vascular graft.

Evaluation of the FLEX Vessel Prep system combined with angioplasty in the treatment of arteriovenous access stenosis.

The first aim of this study was to elaborate and validate a treadmill walking test that would help discriminate between neurogenic claudication from vascular claudication. The second objective of this study is to determine if the treadmill walking test can discriminate spinal stenosis from low back pain with radiating pain in lower limb.

AIMS: Determining the clinical features and prevalence of peripheral artery disease (PAD) in asymptomatics patients with type 1 diabetes mellitus (T1DM) and checking the validity of the current recommendations regarding for PAD screening in T1DM. METHODOLOGY: An observational and cross-sectional prevalence study. The whole group of patients (sample size calculated: 299 patients) will make the Edinburgh Questionnaire for detecting classic symptoms of intermittent claudication, and after verifying the absence of symptoms and exclusion criteria, they will be included in the study. All patients will undergo assessment of clinical parameters related to T1DM and classic cardiovascular risk factors, as well as, an analytical assessment of the lipid profile, HbA1c level, proinflammatory profile and oxidative stress status. They will also undergo a comprehensive anthropometric assessment including office blood pressure (BP) monitoring and ambulatory 24-hours BP monitoring in patients with an indication as routine clinical practice, assessment of cardioautonomic function, and lastly an ankle-brachial index (ABI) by Doppler ultrasound, in the context of routine clinical practice in patients with clinical indication, or as an extraordinary procedure for participating in the study in patients who do not meet criteria for screening according to current recommendations.

Define responses to exercise on both arterial bruits and oxymetry in patients referred for suspected endofibrosis.

Vascular claudication is a common cause of functional limitation. This painful condition is a source overall muscle deconditioning in the peripheral arterial diseased (PAD) patient leading gradually to a state accented inactivity. The characterization of the claudication as it results from a proximal or distal ischemia has never carried out. Investigators will analyze dynamic pedometer parameter throughout walking tests in PAD patients with claudication

The PRIME Registry is a multi-center, observational study designed to evaluate immediate and long-term outcomes (36 months) of endovascular revascularization in patients with critical limb ischemia (CLI) and advanced peripheral artery disease (PAD).

To systematically develop, test, and refine peripheral vascular electrocardiography-gated fast spin echo magnetic resonance imaging for the accurate diagnosis of peripheral arterial disease without gadolinium contrast. To test prospectively the accuracy of fast spin echo in peripheral arterial disease patients, compared with bolus-chase and time-resolved gadolinium enhanced magnetic resonance angiography. Additionally, as a substudy of this project, we will compare our fast spin echo approach with alternative non-contrast-enhanced magnetic resonance imaging methods such as time-of-flight and steady-state gradient echo imaging. The overarching goals of our research are to develop and validate a peripheral magnetic resonance imaging technique that accurately depicts anatomy and disease without exposing patients to exogenous contrast material and its associated risks.

The main objective of this study is to evaluate the inter-observer concordance when measuring the maximum value of the external antero-posterior diameter of the sub-renal aorta (both cross-sectional and longitudinal ultrasound views are measured). The first measure is made by a general practitioner in private practice; second reading are made by an expert in vascular medicine.

Specific cardiovascular diseases, such as stroke and heart attack, have been shown to vary by ethnic group. However, less is known about differences between ethnic groups and a wider range of cardiovascular diseases. This study will examine differences between ethnic groups (White, Black, South Asian and Mixed/Other) and first lifetime presentation of twelve different cardiovascular diseases. This information may help to predict the onset of cardiovascular diseases and inform disease prevention strategies. The hypothesis is that different ethnic groups have differing associations with the range of cardiovascular diseases studied.