Non-invasive Venous Air Plethysmography Assessment of Venous Hemodynamics in Patients Suspected Deep Venous Obstruction Used in Conjunction With Intermittent Pneumatic Compression.

NCT ID: NCT06519435

Last Updated: 2025-10-28

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

500 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-11-15

Study Completion Date

2027-04-30

Brief Summary

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The purpose of this research is to measure changes in venous blood flow with an air-filled bladder under an intermittent pneumatic compression device cuff (used to prevent deep venous thrombosis) or venous diagnostic device cuff (used to detect deep venous thrombosis). The devices being used in the study are investigational and not FDA-cleared.

Detailed Description

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Conditions

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Deep Vein Thrombosis

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Interventions

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Mayo Dopplex ABIlity

Device used to measure lower extremity venous hemodynamic pressure

Intervention Type DEVICE

Intermittent Pneumatic Compression (IPC)

Device used to measure lower extremity venous hemodynamic pressure

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Venous ultrasound study to evaluate for lower extremity DVT unilateral and/or bilateral within previous 72 hours.

Exclusion Criteria

* Patients with inaccessible target limb (ultrasound limb) due to bandages (wound, burn, lesion, etc) or cast.
* Patients with leg trauma, fracture, above or below knee amputation, or other condition in which compressing on the calf is medically inappropriate or not possible.
* Patients unable to provide informed written consent.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Mayo Clinic

OTHER

Sponsor Role lead

Responsible Party

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Damon E. Houghton

Physician, Vascular Medicine

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Damon Houghton, MD

Role: PRINCIPAL_INVESTIGATOR

Mayo Clinic

Locations

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Mayo Clinic

Rochester, Minnesota, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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David Liedl

Role: CONTACT

507-266-6717

Facility Contacts

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David Liedl

Role: primary

800-664-4542

Gonda Vascular Center

Role: backup

507-266-6717

Other Identifiers

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23-012242

Identifier Type: -

Identifier Source: org_study_id

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