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Lee and Chung: Changes of Peak Inspiratory Airway Pressure and Compliance during One-Lung Ventilation Using Double Lumen Tube and Univent Tube
Original Article

The Ewha Medical Journal 1999; 22(4): 273-277.

Published online: 31 December 1999

DOI: https://doi.org/10.12771/emj.1999.22.4.273

Changes of Peak Inspiratory Airway Pressure and Compliance during One-Lung Ventilation Using Double Lumen Tube and Univent Tube

Guie-Yong Lee, Rack-Kyoung Chung

Department of Anesthesiology, College of Medicine, Ewha Womans University, Korea.

Copyright © 1999. Ewha Womans University School of Medicine

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objects

One-lung anesthesia offers advantages during thoracic surgery, but has the disadvantage of causing hypoxemia and affects the respiratory mechanics.
We investigated the peak inspiratory airway pressure(PIP) and compliance during one-lung ventilation using different tubes.

Methods

In healthy 12 patients undergoing thoracic surgery, left-sided double lumen endobronchial tube was inserted. In 10 patients, Univent tube was inserted and fixed the blocker using the bronchofiberscope. The PIP, compliance, end-tidal CO2 and SpO2 were measured using a Capnomac Ultima® during two-lung and right one-lung ventilation.

Results

During two-lung ventilation, there was no difference between the two groups During one-lung ventilation PIP increased and compliance decreased significantly than two-lung ventilation. In the double lumen tube group, PIP increased significantly and compliance decreased significantly than Univent tube group. There was no significant changes in the end-tidal PCO2 and SpO2.

Conclusion

Univent tube provide lesser changes of PIP and compliance during one-lung anesthesia in supine position than double lumen endobronchial tube.

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