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Venous Pressure Measurement of the Great Saphenous Vein Using Controlled Compression Ultrasound in Healthy Persons and Patients With Chronic Venous Disease as a New Non Invasive Method for Investigation of the Pathophysiology in Primary Varicose Veins

2014-08-27 03:18:27 | BioPortfolio

Summary

Part I:

Proof of concept trial to achieve normal venous pressure values under different provocation maneuvers in healthy persons

Part II:

Non invasive measurement of venous pressure under different provocation maneuvers in patients with chronic venous disease

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Conditions

Chronic Venous Insufficiency

Intervention

Ultrasound (venous pressure measurement)

Location

Zurich
Switzerland

Status

Recruiting

Source

University of Zurich

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:18:27-0400

Clinical Trials [3566 Associated Clinical Trials listed on BioPortfolio]

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.

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 ...

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. ...

The Effects of Compression Stockings on Pressure Parameters in Patients With Chronic Venous Insufficiency

The main objective of this study is to obtain data to determine, in each individual with and without wearing compression stockings of different strengths and during different postures, the...

Investigation of Femoropopliteal In Situ Valve Formation With the InterVene System

To evaluate the safety and effectiveness of the BlueLeaf System for the restoration of venous competence for the treatment of symptomatic chronic venous insufficiency (CVI).

PubMed Articles [15047 Associated PubMed Articles listed on BioPortfolio]

Chronic venous insufficiency: a new concept to understand pathophysiology at the microvascular level - a pilot study.

The real mechanism for the development of the later stages of chronic venous insufficiency still remains unclear. Venous hypervolemia and microvascular ischemia have been reported to be the consequenc...

Understanding venous leg ulcers.

Venous leg ulcers are open lesions between the knee and the ankle joint, which occur in the presence of venous insufficiency. There are theories to explain the causes of venous insufficiency, which ul...

Latest Innovations in the Treatment of Venous Disease.

Venous disease is more common than peripheral arterial disease. Pathophysiologically, venous disease can be associated with obstruction, reflux, or both. A common feature in chronic venous disease is ...

A case study of venous leg ulceration.

Venous ulcers or stasis ulcers account for 80% of lower extremity ulcerations. Approximately 1-2% of the population will suffer from the chronic debilitating condition, with chronic venous insufficien...

Placement of closed-cell designed venous stents in a mixed cohort of patients with chronic venous outflow obstructions - short-term safety, patency, and clinical outcomes.

To evaluate the performance of a closed-cell designed venous stent for the treatment of chronic ilio-femoral venous outflow obstruction (VOO) in the shortterm.

Medical and Biotech [MESH] Definitions

Impaired venous blood flow or venous return (venous stasis), usually caused by inadequate venous valves. Venous insufficiency often occurs in the legs, and is associated with EDEMA and sometimes with VENOUS STASIS ULCERS at the ankle.

The blood pressure in the central large VEINS of the body. It is distinguished from peripheral venous pressure which occurs in an extremity.

Placement of an intravenous catheter in the subclavian, jugular, or other central vein for central venous pressure determination, chemotherapy, hemodialysis, or hyperalimentation.

A plant genus of the family HIPPOCASTANACEAE (or SAPINDACEAE by some) that contains antimicrobial protein 1 and escin. A. hippocastanum is used in folk medicine for treating chronic venous insufficiency.

Skin breakdown or ulceration caused by varicose veins in which there is too much hydrostatic pressure in the superficial venous system of the leg. Venous hypertension leads to increased pressure in the capillary bed, transudation of fluid and proteins into the interstitial space, altering blood flow and supply of nutrients to the skin and subcutaneous tissues, and eventual ulceration.

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