Contralateral Head Rotation on Internal Jugular Vein to Carotid Artery Distance and Overlap Ratio

Study Overview
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Brief Summary
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This study aims to find out the effect of contra lateral head rotation to distance and overlapping of internal jugular vein and carotid artery at cricoid cartilage level by ultrasound guidance on the Malay race in Indonesia

Detailed Description
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Approval from Ethical Committee of Faculty of Medicine Universitas Indonesia was acquired prior conducting the study. 34 subjects were enrolled by using consecutive sampling method. Sample size was calculated by using numeric analytic comparative paired formula with repeated measurement. Inclusion criteria were patients with ASA score 1 and 2, aged between 18-60 years old, no anatomical abnormality in neck. Exclusion criteria were patients who were either obese, has history of previous central venous catheter cannulation, and limitation on contralateral head movement. Drop out criteria was abnormalities of anatomical IJV and CA. Basic demographic data, such as sex, age, body weight and height, body mass index were recorded. Patients were positioned in Trendelenburg (15°) position. Identification triangle of Sedillot at cricoid level in right neck with palpation at angle 0°. USG probe was placed upright at the top of triangle of Sedillot at cricoid level. Identification of IJV and CA was shown in transversal view then the IJV to CA distance and overlap ratio was calculated. Contralateral head rotation was done with protractor at angle 30°, 45°, and 60°. The distance and overlap ratio of IJV and CA was calculated in each angle.

Official Title
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The Effect of Contralateral Head Rotation on Internal Jugular Vein to Carotid Artery Distance and Overlap Ratio

Conditions
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Central Venous Catheterization, Surgery

Intervention / Treatment
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* Procedure: Triangle of Sedillot identification using ultrasonography


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: ASA score 1 and 2 18-60 years old no anatomical abnormality in neck Exclusion Criteria: obese has history of previous central venous catheter cannulation limitation on contralateral head movement

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 60 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Supportive Care
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Other: Triangle of Sedillot identification using ultrasonography<br>USG probe placed upright at the top of triangle of Sedillot at cricoid level | Procedure: Triangle of Sedillot identification using ultrasonography<br>* Contralateral head rotation was done with protractor at angle 30°, 45°, and 60°. The distance and overlap ratio of IJV and CA was calculated in each angle.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| IJV to CA distance at different contralateral rotation angle | IJV to CA distance at different contralateral rotation angle (0°, 30°, 45°, 60°) | 2 months | 
| IJV to CA overlap ratio at different contralateral rotation angle | IJV to CA overlap ratio at different contralateral rotation angle (0°, 30°, 45°, 60°) | 2 months | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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carotid arteries, central venous catheterization, jugular veins, Malay race, ultrasonography