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Clinical Trials About "Arterial venous duplex ultrasound examination Haemodialysis" RSS

16:05 EDT 16th August 2018 | BioPortfolio

We list hundreds of Clinical Trials about "Arterial venous duplex ultrasound examination Haemodialysis" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.

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We have published hundreds of Arterial venous duplex ultrasound examination Haemodialysis news stories on BioPortfolio along with dozens of Arterial venous duplex ultrasound examination Haemodialysis Clinical Trials and PubMed Articles about Arterial venous duplex ultrasound examination Haemodialysis for you to read. In addition to the medical data, news and clinical trials, BioPortfolio also has a large collection of Arterial venous duplex ultrasound examination Haemodialysis Companies in our database. You can also find out about relevant Arterial venous duplex ultrasound examination Haemodialysis Drugs and Medications on this site too.

Showing "Arterial venous duplex ultrasound examination Haemodialysis" Clinical Trials 1–25 of 8,100+

Extremely Relevant

A Study of Routine Versus Selective Use of Ultrasound Scanning Prior to Haemodialysis Fistula Surgery

Dialysis patients have their blood filtered by a machine as their kidneys no longer work. To get blood in and out of these patients it is possible to perform a surgical procedure to increase to size and durability of a vein in the arm to allow repeated needle insertion. This enlarged vein is called a fistula. There is some evidence that ultrasound scanning the blood vessels in the arm before surgery can improve the chances of a successful procedure. The investigators aim to te...


Colour Coded Duplex Ultrasound of Native Arterio-venous Fistula for Haemodialysis With Venous Pressure Measurement Using Controlled Compression Ultrasound as a Predictor for Shunt Maturation in the Early Postoperative Phase

Prospective observational ultrasound study of native arterio-venous fistula for haemodialysis with venous pressure measurement using controlled compression ultrasound.

SToP: Venous Thromboembolism Screening in the Trauma Population

This is a prospective, randomized vanguard trial of trauma patients admitted to the trauma surgery service at Intermountain Medical Center who are deemed to be at high risk for venous thromboembolism. Once identified and enrolled, subjects will be randomized to receive bilateral lower extremity duplex ultrasound surveillance versus no surveillance. The study will compare the two groups with regard to deep vein thrombosis, pulmonary embolism, and major bleeding episode rates, bo...


Central Venous Pressure (CVP) Assessment by Ultrasound and Physical Examination

Ultrasound may be useful for noninvasively determining the central venous pressure. We intend to compare the clinical examination of the neck veins; ultrasound delineation of the internal jugular vein; and the central venous pressure measured with an intravascular catheter.

Does Venous pCO2 Increase by 20 mmHg or More During Apnea Challenge Test?

One required examination for declaration of death by neurological criteria is the apnea challenge test. The apnea challenge test evaluates the medulla brainstem respiratory center response to a rise in CO2. The current guideline requires arterial sampling of CO2 and therefore either arterial puncture or arterial catheter placement for the examination. Arterial catheter is an invasive monitoring device and is not without complications. Recent studies have demonstrated that there...

Validation of Ultrasound in Predicting a Low Lying Placenta Throughout Pregnancy

This is a prospective observational study comparing venous Doppler flow in the lower extremities of pregnant women. Pregnant women with a BMI >/= 30 will be compared to those with a BMI < 30.

Interest of the Ultrasound Guidance for the Laying of Femoral Arterial and Venous Catheters in Intensive Care Unit

The femoral approach is the preferred vascular access for the set-up of emergency catheters in severely traumatized patient. This location combines simplicity and speed of installation, it allows the simultaneous set-up of arterial and venous catheters, and is a provider of few complications and failures. The ultrasound guidance has greatly reduced installation times, failures and complications related to the set-up of central venous catheter. This was amply demonstrated in th...

Assessing the Interest of Ultrasound-guided Femoral Arterial Puncture for Interventional Neuro-radiology in Children

Using ultrasound to guide vascular catheterism in children is highly recommended for central venous access. It has been proven that central venous line is inserted faster, with fewer attempts and complications. Its interest in central arterial line insertion is less obvious. It seems to have benefits in adults, both for radial and femoral arterial insertion. But there is no study assessing the interest of ultrasound guided arterial puncture in children,.

Relevant

Comparison Between Xarelto Versus Warfarin in the Recanalization Rate of Deep Venous Thrombosis in Patients Legs.

This is a prospective, randomized study, aiming to evaluate patients with Deep Venous Thrombosis in lower limbs and the recanalization rates evaluated with DUPLEX ultrasound, as so the clinical outcomes in patients submitted to oral anticoagulation with Rivaroxaban versus Warfarin.

Carotid Duplex Ultrasound for Selecting Patients for Endovascular Thrombectomy in Acute Stroke Patients

The aim of this study is to address the usefulness of carotid duplex ultrasound as vascular imaging for selecting acute stroke patients for endovascular thrombectomy.

Is Venous to Arterial Conversion (v-TAC) of Blood Gas Reliable in Critical Ill Patients in the ICU?

Objective: Arterial blood gas (ABG) is essential in the clinical assessment of potential acutely ill patients venous to arterial conversion (v-TAC), a mathematical method, has recently been developed to convert peripheral venous blood gas (VBG) values to arterialized VBG (aVBG) values. The aim of this study is to test the reliability of aVBG compared to ABG in an intensive care unit (ICU) setting. Method: Consecutive patients admitted to the ICU with pH values 7,45 are include...

Duplex Guided Application of Local Anesthetic Before Femoral Artery Catheterization

The aim of this study is to evaluate the optimization of local anesthetic effect with duplex ultrasound-guided injection of lidocaine before femoral artery puncture during diagnostic or therapeutic interventional procedures. In total, 200 patients scheduled for various diagnostic or therapeutic interventional radiology procedures requiring femoral artery puncture, will be randomized in two groups after informed consent. Patients will be randomized to undergo groin local anesth...

Assessment of Carotid Artery Stenosis and Lower Limb Peripheral Ischemia Prior to CABG

From our experience among Egyptian population in our institution, there is an increased prevalence of hidden subclinical peripheral artery disease along with carotid artery affection. Thus, increasing the risk of post-operative morbid complications.We aim to evaluate routine/ non-selective carotid and peripheral arterial screening in asymptomatic patients undergoing coronary artery bypass grafting in the Egyptian populationIt is a prospective, non-randomized, comparative study ...

Normal Parameters of Cranial Vessels Using Cranial Vascular Duplex Among Egyptian Population

the study will be carried out to standardize normal parameters of vascular duplex ultrasound of the cranial vessels in the Egyptian population.

Lake Washington Vascular VenaSeal™ Post-Market Evaluation (WAVES)

The VenaSeal Closure system offers an outpatient treatment option for the permanent closure of lower extremity superficial truncal veins, such as the great saphenous vein (GSV), through endovascular embolization with coaptation. VenaSeal is intended for use in adults with clinically symptomatic venous reflux as diagnosed by duplex ultrasound (DUS).

Coagulation Changes in Trauma Patients

Hypothesis to be tested: placement of a central venous catheter will induce a systemic hypercoagulable state. To determine this, the investigators will measure thromboelastography (TEG), PT(prothrombin time), PTT (partial thromboplastin time), Prothrombin Fragment 1.2, Factor VIII, and VonWillebrand's Factor. In addition, duplex ultrasound will be performed to correlate the laboratory coagulation values with functional changes (i.e. deep venous thrombosis).

Bedside Ultrasound by Anesthesiologists for Screening Deep Venous Thrombosis

The study is designed as a prospective comparative study. All patients will receive prophylactic anticoagulation according to routine hospital protocol after surgery. A bedside ultrasound examination will be performed by a trained anesthesiologist prior to the surgery and then daily beginning on postoperative day 2 until patient discharge.

Contrast-Enhanced Ultrasound for Kidney Transplant

Contrast-enhanced ultrasound (CEUS) is a promising non-invasive imaging tool that may aid in the early detection of kidney transplant complications, such as delayed graft function (DGF) and acute allograft rejection. The technique uses an intravenous contrast agent to improve organ visualization with standard duplex ultrasound equipment. A number of FDA-approved agents, including Optison, Definity and Lumason are widely used to improve visualization in technically limited echoc...

Ultrasound Guided Axillary Venous Cannulation in Pediatrics

The purpose of this prospective randomized study was to compare landmark-subclavian venous access to ultrasound-guided axillary venous access when performed by pediatric anesthesiologists.

ACCUvein Measure Before ULtrasound as A facilitataTION Tool for Venous Marking

Ultrasound marking of saphenous veins before varicose vein surgery or for saphenectomy for vascular or coronary artery bypass grafting is a long, tedious, low-grading examination, generating overconsumption of many consumables including marking markers that may damage the probes, of the modern and expensive ultrasound doppler. Augmented reality devices can visualize the superficial veins and hope to simplify the investigation, improve the comfort of the patient during the exami...

Effect of Haemodialysis on the Efficacy of Antiplatelet Agents

The main purpose of our study is to investigate whether haemodialysis itself affects the efficacy of antiplatelet drugs and the effects of two different types of dialysis membranes (polysulfone membranes and polyamide membranes) on antiplatelet efficacy. A total of 60 patients with ESRD and under dual-antiplatelet treatmen for at least 5 days will be enrolled and divided into the Clopidogrel group (clopidogrel 75mg qd;aspirin 100mg qd, n=30) and the Ticagrelor group (ticagrelor...

Two-Site Compression POINt-OF-CARE Ultrasonography for DVT

Introduction Undiagnosed deep vein thrombosis (DVT) can lead to significant morbidity and mortality, including death from DVT-associated massive pulmonary embolism (PE). While several validated clinical prediction rules, blood test and imaging modalities exist to investigate a potential DVT, there is currently a lack of rapid, accessible and reliable methods to exclude the possibility of DVT without resorting to formal venous duplex scanning. Currently, the use in the E...

Modern Ultrasound Techniques in the Evaluation of Cerebral Venous Sinuses in Neonates

Our overall aim is to examine if ultrasound is as accurate as MRI and/or CT in the evaluation of dural venous sinuses. We hypothesize that sonography will be accurate (accuracy >80%) for diagnosing specific anatomic findings of dural venous sinuses.

Estimation of Internal Jugular Vein Central Venous Pressure (CVP) by Ultrasound

Objectives: 1. To study the validity and reliability of estimation of the central venous pressure by measurement of internal jugular vein size using 2-dimensional ultrasound. 2. To evaluate the correlation of internal jugular vein cross sectional area and central venous pressure. Methods: 1. The study design is prospective observational study. 2. We will include all patients scheduled for cardiac surgery in Siriraj Hospital and reco...

Point-of-care Ultrasound in Finland

This study has two aims. 1. Deep venous thrombosis (DVT) is a common suspected medical condition. If it cannot be excluded clinically and using D-dimer, ultrasound examination is required. An option for traditional radiologist-performed ultrasound is a 2-point compression ultrasound (2-CUS). The safety of this technique is proven. However there does not exist any data on costs comparing traditional and 2-CUS pathways in primary health care. This study ...


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