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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 safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01000909
Recruitment Status : Unknown
Verified June 2010 by University of Zurich.
Recruitment status was:  Recruiting
First Posted : October 23, 2009
Last Update Posted : June 29, 2010
Information provided by:
University of Zurich

Brief 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

Condition or disease Intervention/treatment
Chronic Venous Insufficiency Procedure: Ultrasound (venous pressure measurement)

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Study Type : Observational
Estimated Enrollment : 60 participants
Observational Model: Cohort
Time Perspective: Prospective
Study Start Date : July 2009
Study Completion Date : July 2010

Intervention Details:
  • Procedure: Ultrasound (venous pressure measurement)
    increased venous pressure is predictive for chronic venous insufficiency

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
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

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01000909

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

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Zurich, Switzerland
Sponsors and Collaborators
University of Zurich
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Study Director: 01 Studienregister MasterAdmins UniversitaetsSpital Zuerich
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Responsible Party: Christoph Thalhammer, MD, USZ Identifier: NCT01000909    
Other Study ID Numbers: CT-02-2009-USZ
First Posted: October 23, 2009    Key Record Dates
Last Update Posted: June 29, 2010
Last Verified: June 2010
Additional relevant MeSH terms:
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Venous Insufficiency
Vascular Diseases
Cardiovascular Diseases