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CompletedNCT02860351Updated Apr 10, 2017

The Effect of Head Positioning on the Cross-sectional Area of the Subclavian Vein.

An observational study in Normal Volunteers, sponsored by SMG-SNU Boramae Medical Center. Completed at 1 site in South Korea. Open to participants aged 20 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2017-04-10.

Sponsored by SMG-SNU Boramae Medical Center · Observational

Study type
Observational
Model
Case-only
Time perspective
Prospective
Enrollment
42
Ages
20 Years and older
Sex
All
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Study summary

In the present study, the cross-sectional area of subclavian vein, the distances of subclavian vein \~ subclavian artery and subclavian vein \~ pleura are assessed in different head positions (neutral, rotation to ipsilateral or contralateral sides) in spontaneous breathing adults.

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Conditions studied

  • Normal Volunteers

Keywords

  • subclavian vein
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In context

Lead sponsor

SMG-SNU Boramae Medical Center is the lead sponsor of 39 studies on the registry; 5 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
20 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

Healthy adults ≥ 20 yr

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Healthy adults

Exclusion criteria

Exclusion Criteria:

  • Medication affecting vascular elasticity
  • History of central venous catheterization or clavicle fracture
  • History of lung surgery, operation of chest cage
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Study design

Observational model
Case-only
Time perspective
Prospective
Enrollment
42 participants (actual)
Patient registry
No
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What researchers measure

Primary outcomes

  1. Cross-sectional area of subclavian vein

    Time frame: through study completion, an average of 1 year

Secondary outcomes

  1. depth of subclavian vein from skin

    Time frame: through study completion, an average of 1 year

  2. Distance of subclavian vein ~ subclavian artery

    Time frame: through study completion, an average of 1 year

  3. Distance of subclavian vein ~ pleura

    Time frame: through study completion, an average of 1 year

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Study locations

1 site
  • Seoul Metropolitan Government Seoul National University Boramae Medical Center
    Seoul, 156-707, South Korea
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References and documents

Publications

  • Kim H, Chang JE, Lee JM, Han SH, Ryu JH, Hwang JY. The Effect of Head Position on the Cross-Sectional Area of the Subclavian Vein. Anesth Analg. 2018 Jun;126(6):1946-1948. doi: 10.1213/ANE.0000000000002446. PubMed 28863021 ↗

Individual participant data

Plan to share: No

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 10, 2017, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT02860351
Lead sponsor
SMG-SNU Boramae Medical Center
Responsible party
Jin-Young Hwang (M.D, SMG-SNU Boramae Medical Center) — Principal investigator
First posted
Aug 9, 2016
Start date
Aug 10, 2016
Primary completion
Mar 10, 2017
Completion
Mar 10, 2017
Last update
Apr 10, 2017

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Apr 2017. You cannot join it, but the record below documents what was studied.

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