Peripheral intravenous cannulation in surgical patients Ultrasound-guided vascular access procedures Procedural ergonomics in IV access under ultrasound guidance Peripheral IV cannulation Ultrasound guidance vascular access Needle alignment and the visual axis Ergonomics
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Adults aged 18 - 80 years 2) Undergoing elective or emergency surgery requiring peripheral IV cannulation prior to anesthesia induction
Exclusion criteria
Exclusion criteria: 1) Known vascular anomaly or thrombosis at the intended cannulation site 2) Coagulopathy or ongoing anticoagulant therapy 3) Local infection or trauma at the cannulation site 4) A documented history of difficult IV access, IV drug use, or chemotherapy 5) BMI < 18 or > 30 kg/m2 6) Uncooperative or cognitively impaired patients
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time to successful cannulation From initial skin puncture to complete catheter advancement into the vein. Determined by blinded independent observer reviewing video recordings. Duration in seconds through video recording of the procedure assessment | — |
Secondary
| Measure | Time frame |
|---|---|
| First attempt success rate Immediate after the successful cannulation Percentage,Number of attempts Immediate after the successful cannulation Number of needle-skin contact,Procedure-related complications within 24 hours (e.g., leakage, dislodgement, nerve injury, phlebitis) Within 24 hours after the procedure Number,Patient pain score Immediate after the successful cannulation NRS score 0-10,Patient satisfaction Immediate after the successful cannulation Likert score 1-5,Operator's musculoskeletal symptom risks Immediate after the procedure Questionnaire interview | — |
Countries
Thailand
Contacts
Maharat Nakhon Ratchasima Hospital