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Great Saphenous Vein Anatomy at the Proximal Medial Thigh as a Potential Site for Rescue Venous Access

Great Saphenous Vein Anatomy at the Proximal Medial Thigh as a Potential Site for Rescue Venous Access

Status
Enrolling by invitation
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04922606
Enrollment
190
Registered
2021-06-10
Start date
2021-05-04
Completion date
2045-05-01
Last updated
2026-07-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anatomy of the GSV for Rescue Peripheral IV Access

Brief summary

The purpose of this study is to assess the anatomy of the great saphenous vein at the level of the medial thigh in the general population in an effort to categorize this as a reliable target vessel for rescue peripheral IV access.

Interventions

DIAGNOSTIC_TESTUS ot the GSV

Ultrasound of the Great Saphenous Vein

Sponsors

Mayo Clinic
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE

Eligibility

Sex/Gender
ALL
Healthy volunteers
Yes

Inclusion criteria

\- Pediatric and adult Emergency Department patients and employees of all ages from all areas of the emergency department or additional training sites staffed by emergency medicine residents.

Exclusion criteria

* Critically ill patients as determined by the Emergency Medicine consultant of record for the patient. * Legs not accessible due to dressing, wounds, or other factors. * Overlying cellulitis/soft tissue infection or injury. * Patients that are prison inmates and patients/patient's surrogates who are unable to give verbal consent/assent.

Design outcomes

Primary

MeasureTime frameDescription
Successful visualization of GSV12 monthsNumber of times the great saphenous vein is identified at the level of the medial distal thigh in the general population using ultrasound

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORTobias Kummer, MD

Mayo Clinic

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 21, 2026