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Comparison of Transesophageal Echocardiography Probe as Surface Probe with Vascular Probe During Right Internal
Nishant R Antony1, Subash Sundarsingh, Anil Radhakrishnan
1Department of Anesthesia, KIMSHealth, Trivandrum, Kerala, India.
Context:
USG vascular probe and TEE probe can help during central venous catheterization (CVC) and can confirm the location of guide wire in the neck vessels. We proposed this study, as there are only few studies comparing between TEE probe as surface probe and USG vascular probe for right IJV cannulation.
Aims:
To compare the TEE probe as a surface probe and USG vascular probe during right IJV catheterization in cardiac surgeries.
Settings And Design:
Prospective, comparative study.
Methods And Material:
One twenty-four patients of either sex posted for major elective cardiac surgery were included in this study. Patients were divided into two groups (TEE group and USG group) of 62 by assigning the study participants alternatively to each group. The goal of this study was to compare the puncture time, visualization of IJV to first successful puncture, quality of the imaging with needle tip positioning, and catheter positioning using both TEE probe and vascular probe. The primary outcome was comparison of time from visualization of the IJV to successful puncture using both TEE probe as a surface probe and vascular probe. Secondary outcome was to compare the quality of image with respect to needle tip positioning and compare quality of image with respect to catheter position using both probes.
Statistical Analysis Used:
Statistical analyses were performed by using a statistical software package SPSS, version 20.0.
Results:
The observation and results of our study clearly show the feasibility of TEE as surface probe for guiding central venous catheter in right IJV just like the vascular linear probe. There was no significant difference between the two groups (P > 0.05). No statistical differences were found in the puncture time, image quality, needle tip positioning, wire positioning, and catheter positioning between the two groups. All the P values were greater than 0.05.
Conclusions:
The TEE probe can be used as an alternative method to guide IJV puncturing and catheterization when the vascular probe is not available. It is feasible especially in cardiac surgeries where the TEE monitoring machine is a must in modern anesthesia and readily available than an ultrasound machine.
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