Correct Tip Position of Central Venous Catheters

Status Completed

Clinical Trial Summary

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

Clinical Trial Description

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. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05176886
Study type	Observational
Source	Bozyaka Training and Research Hospital
Contact
Status	Completed
Phase
Start date	July 8, 2018
Completion date	March 31, 2022

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.