Correct Tip Position of Central Venous Catheters

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

300 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-07-08

Study Completion Date

2022-03-31

Brief Summary

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Patients, ages between 18-70 years, who require central venous catheter will be enrolled for the study. Central venous catheter will be inserted using patient's height formula by Seldinger technique. Anterioposterior chest radiography will be used to assess the correct tip position. Catheters that are below the carina more than 1 cm, will be pulled back for repositioning. Catheters that are above the carina more than 1 cm, will be changed by another catheter. The investigators aim to evaluate the formula for correct tip positioning for central venous catheters

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Detailed Description

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Central venous catheters are used for fluid infusion, nutrition, blood transfusion, hemodynamic monitorization in both intensive care unit and operating room. The superior vena cava and right atrium (SVC-RA) junction is considered the optimal position for central venous catheter tip. Carina corresponds to the SVC-RA junction on chest radiograph. Catheter tips, 1 cm above and 1 cm below the carina are considered as the correct position. 18-70 years old patients will be enrolled for the study. Central venous catheters will be inserted via internal jugular vein or subclavian vein using patient's height formula by Seldinger technique. Postprocedural (within 6 hours) chest radiograph will be used to evaluate the correct tip position from the Picture Archiving and Communication System. This formula was described by Peres. If the tip of the catheter is below the carina more than 1 cm, it will be pulled back for repositioning. If the tip of the catheter is above the carina more than 1 cm, another catheter will be inserted. The formula is height (cm)/10 for right internal jugular vein, height(cm)/10-2 for right subclavian vein, height(cm)/10+4 for left internal jugular vein and height(cm)/10+2 for left subclavian vein. Number of the correct and incorrect position of central venous catheter tips will be noted.

The investigators aim to evaluate the reliability and efficiency of Peres' formula for the correct tip position.

Conditions

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Central Venous Catheter Internal Jugular Vein Radiography Subclavian Vein Injury

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Central venous catheterization of patients, ages between 18 and 70

Exclusion Criteria

* Patient's refusal
* Pathology of carotid artery
* Anatomical deformity of the neck (scar, mass effect, multiple central venous catheterization)
* Chest deformities (pectus excavatum, pectus carinatum)

Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No