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OpenTrials
Enrolling by Invitation

NCT Number: NCT04922606

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

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.

Enrolling by Invitation

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Key information

Conditions

Anatomy of the GSV for Rescue Peripheral IV Access

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Mayo Clinic in Rochester

Rochester, Minnesota, 55905, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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.

Treatment and study plan

US ot the GSV

Diagnostic Test

Ultrasound of the Great Saphenous Vein

Primary outcomes

  1. Successful visualization of GSV

    Time frame: 12 months

    Number of times the great saphenous vein is identified at the level of the medial distal thigh in the general population using ultrasound

Sponsors and collaborators

Lead sponsor

Mayo Clinic

Other

Registry information

Important dates

Study start
2021
Primary completion
2045
Study completion
2045
First posted
Jun 10, 2021
Registry last updated
Jul 20, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.