Evaluation of external and radiological landmark techniques for achieving the optimal depth in ultrasound-guided right internal jugular venous catheterization in adult cardiac surgical patients

A comparison of the external anatomical landmark and the radiological landmark method for determining the optimal insertion depth of ultrasound-guided right internal jugular venous catheter in adult cardiac patients

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20200410012

Enrollment

100

Registered

2020-04-10

Start date

2020-04-10

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cardiac disease Central Venous Catheter Cardiac Anesthesia

Interventions

The CVC insertion depth of the transesophageal echo (TEE), external landmark (EL), and the radiological landmark (RL) technique

Diagnostic

The CVC depth of TEE, EL &amp

Eligibility

Sex/Gender

All

Age

18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1. Age between 18 - 90 years old 2. BMI < 35 kg/m2 3. American Society of Anesthesiologists class I - IV 4. Elective cardiac surgery 5. Undergoing CVC through the right IJV

Exclusion criteria

Exclusion criteria: 1. Contraindicated to TEE insertion eg. central airway lesion, esophageal stenosis or esophageal varices 2. Documented extra-cardiac vascular or rotational cardiac abnormalities 3. Previously superior carvopulmonary shunt surgery or Fontan operation 4. Abnormalities of neck and chest wall eg. Klippel-Feil syndrome or burn scar contracture 5. Preoperative documented thrombosis in right IJV

Design outcomes

Primary

Measure	Time frame
The CVC depth of TEE at 12 months the CVC depth	—

Secondary

Measure	Time frame
The CVC depth of EL at 12 months the CVC depth,The CVC depth of RL at 12 months the CVC depth	—

Countries

Thailand

Contacts

Public ContactArtid Samerchua

Faculty of Medicine, Maharaj Nakorn Chiang Mai Hospital

artidsamerchua@gmail.com66826944496

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026