An observational study in Catheter Malposition and Central Venous Catheterization, sponsored by Saglik Bilimleri Universitesi Gazi Yasargil Training and Research Hospital. Enrolling by invitation at 1 site in Turkey (Türkiye). Open to participants aged 18 Years to 75 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-09-02.
Sponsored by Saglik Bilimleri Universitesi Gazi Yasargil Training and Research Hospital · Observational
Central venous catheterization (CVC) via the internal jugular vein (IJV) is a fundamental procedure in anesthesia and intensive care for hemodynamic monitoring, fluid resuscitation, and vasoactive drug administration. While modern clinical guidelines strongly advocate for ultrasound (USG) guidance, the traditional anatomical landmark technique remains widely utilized due to equipment availability or clinician habits. Proper positioning of the catheter tip is critical to prevent severe long-term complications; however, comparative data regarding catheter tip malposition between these two routine techniques-especially when confirmed by postprocedural bedside chest X-ray-require further prospective evaluation. Objective:
The primary objective of this prospective observational study is to compare ultrasound-guided versus landmark techniques for internal jugular vein catheterization with respect to catheter tip malposition, as determined by postprocedural bedside chest X-ray. Secondary objectives include the evaluation of the number of needle redirections, first-attempt success rate, total procedure time, and the incidence of mechanical complications (such as accidental arterial puncture or hematoma formation)
Saglik Bilimleri Universitesi Gazi Yasargil Training and Research Hospital is the lead sponsor of 59 studies on the registry; 25 are open to participants now.
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Adult and elderly patients (18-75 years) undergoing elective or scheduled surgery in the general operating room unit of Dicle University Faculty of Medicine Hospital who require central venous catheterization via the internal jugular vein as part of routine perioperative care. The catheterization technique (ultrasound-guided or landmark) reflects the routine practice of the performing physician; no technique is assigned by the study for research purposes.
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Exclusion Criteria:
IJV catheterization performed under real-time ultrasound guidance
Procedure: Ultrasound-Guided Technique
IJV catheterization performed via anatomical landmark technique
Procedure: Landmark Technique
Internal jugular vein catheterization performed with real-time ultrasound visualization of the vein to guide needle insertion.
Internal jugular vein catheterization performed using external anatomical landmarks without real-time ultrasound guidance.
Incidence of catheter tip malposition
Time frame: Assessed on postoperative bedside chest X-ray, immediately following the procedure
Incidence of Procedural Mechanical Complications
The occurrence and rate of immediate mechanical complications directly related to the intervention, specifically tracking accidental carotid arterial punctures and hematoma formations.
Time frame: During the procedure and up to 24 hours post-operatively.
Plan to share: No
Started Jul 2026 (actual). Primary completion is estimated for Oct 2026, 3 months after the start.
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Saglik Bilimleri Universitesi Gazi Yasargil Training and Research Hospital