Changes in Anatomical Landmark Locations

Anesthesia, General Clinical Trial

Official title:

Changes in the Relationship Between the Right Internal Jugular Vein and Anatomical Landmark After Head Rotation

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT01168453
• Other study ID #: LoIJV
• Status: Completed
• Phase: N/A
• First received: July 21, 2010
• Last updated: August 6, 2010
• Start date: May 2009
• Est. completion date: April 2010

Study information

• Verified date: July 2010
• Source: Soonchunhyang University Hospital
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

This study was performed to ultrasonographically demonstrate the changes in relationship between the right internal jugular vein (IJV) and an anatomical landmark in two different head positions: neutral and rotational.

Description:

Background: This study was performed to ultrasonographically demonstrate the changes in relationship between the right IJV and an anatomical landmark in two different head positions: neutral and rotational.

Methods: One hundred patients scheduled for elective surgery under general anesthesia with endotracheal intubation were enrolled in this study. The patients were placed in the supine position with a neutral head position and without a pillow. The apex of the triangle formed by the sternal and clavicular heads of the sternocleidomastoid muscle and clavicle was marked (anatomical landmark point: AL point). The ultrasonography of the neck anatomy was performed, and a mark was placed at the central point of the IJV to the skin (ultrasonography point: US point). The other investigator measured the distances from the AL point to the US point (AL-US distance). The patient's head was then turned 30° to the left; the same procedure was repeated and the AL-US distance was again measured. The changes in AL-US distance were calculated.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 100
• Est. completion date: April 2010
• Est. primary completion date: February 2010
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years to 80 Years

Eligibility

Inclusion Criteria:

• 100 patients weighing 40 - 100 kg and with heights of 140 - 190 cm

Exclusion Criteria:

• a history of neck surgery or trauma involving the neck, previous IJV-related interventions (e.g., venous catheterization), limitation of neck movement, and a body mass index = 30.

Related Conditions & MeSH terms

• Anesthesia, General
• Intubation

Intervention

Behavioral:
• head position change
AL-US distance measure using the ultrasound in two different head position

Locations

Country	Name	City	State
Korea, Republic of	Soonchunhyang University Hospital	Seoul

Sponsors (1)

Lead Sponsor	Collaborator
Soonchunhyang University Hospital

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	anatomical landmark point (AL) - ultrasonography point (US) distance(the distances from the AL point to the US point )	The distance between the two points was considered "positive" if the US point was lateral to the AL point and "negative" if it was medial to the AL point.	within 5 minutes after itubation
Secondary	The average depth of the right IJV	measure the depth of the right IJV center in ultrasonography	within 5 minutes after intubation