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Validation of the Ipsilateral Nipple as the Directional Guide for Internal Jugular Vein (IJV) Catheterization

This study has been completed.
Information provided by (Responsible Party):
Ho Geol Ryu, Seoul National University Hospital Identifier:
First received: April 29, 2011
Last updated: May 20, 2013
Last verified: May 2013

Traditional teaching that suggests the ipsilateral nipple as the directional guide for needle advancement during Internal Jugular Vein (IJV) catheterization has weak grounds.

The investigators attempt to validate this long-standing statement.

Condition Intervention
Ipsilateral Nipple Internal Jugular Vein Catheterization Procedure: SCM triangle - ipsilateral nipple

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment

Further study details as provided by Ho Geol Ryu, Seoul National University Hospital:

Primary Outcome Measures:
  • difference in angle [ Time Frame: 1 day ]
    difference in angle between traditional (triangular head of the SCM - ipsilateral nipple) and ultrasound guided tract

Enrollment: 100
Study Start Date: June 2011
Study Completion Date: December 2011
Primary Completion Date: December 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
No Intervention: Traditional Procedure: SCM triangle - ipsilateral nipple
draws the tract of the IJV using the SCM triangle head and the ipsilateral nipple


Ages Eligible for Study:   18 Years to 80 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • adult patients over the age of 18 undergoing general anesthesia

Exclusion Criteria:

  • history of neck or breast surgery
  • anatomical anomaly of the neck or breast
  • neck mass
  • breast mass
  Contacts and Locations
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Please refer to this study by its identifier: NCT01347463

Korea, Republic of
Boramae Medical Center
Seoul, Korea, Republic of, 156-707
Sponsors and Collaborators
Seoul National University Hospital
  More Information

Responsible Party: Ho Geol Ryu, Assistant professor, Seoul National University Hospital Identifier: NCT01347463     History of Changes
Other Study ID Numbers: IJV-cath-nipple
Study First Received: April 29, 2011
Last Updated: May 20, 2013 processed this record on August 21, 2017