Ultrasound-guided Axillary Vein Catheterization in Trauma

Second Affiliated Hospital, School of Medicine, Zhejiang University132 enrolled

Overview

It is very important to choose the best central venous catheterization route for trauma patients, the determinants that need to be considered comprehensively include coagulation dysfunction, fracture of the clavicle on the side of the puncture, and tracheotomy care. More importantly, whether it can used simultaneously for accurate volume and invasive hemodynamic monitoring. For the purpose of support of cardiopulmonary function, the ideal position of the catheter tip is vital with regard to an accurate CVP and hemodynamic monitoring. Cannulation of the axillary vein is ideal for patients with severe poly-trauma because it avoids the thoracic cavity, intercostal arteries, tracheostomy, and clavicle, and is prone to compression even if the artery is injured. At present, there is no systematic introduction of ultrasound-guided axillary vein catheterization in the trauma ICU in the literature. Since Oct 2021, the investigators have attempted to practice axillary vein catheterization for this crucial trauma population; unfortunately, the investigators have not know till now whether this procedure is associated with accurate tip placement and its safety should also be weighted. So it is necessary to summarize the relevant clinical data.

Study Type

OBSERVATIONAL

Enrollment

132

Conditions

Multiple Trauma/Injuries

Interventions

All axillary vein catheterizations were performed according to standard central venous catheterization procedures, which were performed under ultrasound guidance at the bedside. Before the operation, patients were placed in a supine position with the upper limb placed in a natural position, and the ultrasound probe and wires were wrapped with a sterile protective sheath. Ultrasound pre-scanning the axillary artery and axillary vein, and pay attention to using the minimum pressure to control the ultrasound probe to avoid crushing the blood vessels. The operator holds the ultrasound probe and puncture needle to puncture the axillary vein under the guidance of ultrasound. After drawing out of the dark red blood, the guide wire was inserted and the puncture needle was withdrawn. The three-lumen CVC catheter was then inserted using the Seldinger technique.

Outcomes

Primary Outcomes

Accurate placement of the CVC catheter tip for measuring CVP or invasive hemodynamic monitoring

Placement of the CVC catheter tip between level of tracheal carina and within 2 cm downward is ideal for measuring CVP or invasive hemodynamic monitoring.