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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

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified June 2010 by University of Zurich.
Recruitment status was:  Recruiting
Information provided by:
University of Zurich Identifier:
First received: October 22, 2009
Last updated: June 28, 2010
Last verified: June 2010

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

Condition Intervention
Chronic Venous Insufficiency
Procedure: Ultrasound (venous pressure measurement)

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective

Further study details as provided by University of Zurich:

Estimated Enrollment: 60
Study Start Date: July 2009
Estimated Study Completion Date: July 2010
Intervention Details:
    Procedure: Ultrasound (venous pressure measurement)
    increased venous pressure is predictive for chronic venous insufficiency

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
Patients with chronic venous disease with complete incompetence of the great saphenous vein

Inclusion criteria:

Part I:

  • Healthy persons without clinical signs of venous disease, informed consent

Part II:

  • Patients with chronic venous disease with complete incompetence of the great saphenous vein (Hach IV)
  • Informed consent

Exclusion criteria:

Part I:

  • Clinical signs of venous disease, former deep vein thrombosis (DVT)

Part II:

  • Former deep vein thrombosis, former vein surgery
  Contacts and Locations
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Please refer to this study by its identifier: NCT01000909

Contact: 01 Studienregister MasterAdmins +41 (0)44 255 11 11

Zurich, Switzerland
Sponsors and Collaborators
University of Zurich
Study Director: 01 Studienregister MasterAdmins UniversitaetsSpital Zuerich
  More Information

Responsible Party: Christoph Thalhammer, MD, USZ Identifier: NCT01000909     History of Changes
Other Study ID Numbers: CT-02-2009-USZ
Study First Received: October 22, 2009
Last Updated: June 28, 2010

Additional relevant MeSH terms:
Venous Insufficiency
Vascular Diseases
Cardiovascular Diseases processed this record on April 26, 2017