New Chest Drainage Unit with Integrated CO2-Detector Demonstrates False Air Leak

Jens Eckardt*, Marike Lijkendijk, Peter B. Licht, Michael Stenger

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Abstrakt

Background: Postoperative observed air leakage does not always originate from parenchymal defects but may arise from defects in the chest drainage unit, connections or reverse airflow in water seals. We investigated such false air leakage using a new chest drainage unit with a built-in CO2-detector and an electronic chest drainage unit. Methods: Two types of chest drainage units were tested in a simple porcine model: A well-known electronic chest drainage unit and a new chest drainage unit with integrated CO2-detector. We created a setup of true air leakage—a parenchymal lesion, and false air leakage—allowing air to flow into the thoracic cavity alongside the chest drain. Results: We demonstrated that the new chest drainage unit with a built-in CO2-detector can distinguish between experimentally induced true air leakage and false air leakage. Conclusion: Available chest drainage systems do not allow direct assessment of true or false air leakage, which may increase chest drain duration unnecessarily. The integration of a CO2-sensitive color indicator into a chest drainage unit allows simple distinction between false air leak and true air leak, which may improve postoperative management.

OriginalsprogEngelsk
TidsskriftSurgical Innovation
ISSN1553-3506
DOI
StatusE-pub ahead of print - 25. sep. 2021

Bibliografisk note

Funding Information:
The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This study is supported by Jens Eckardt who is the inventor of the new technology and has no financial disclosures as the development of ELD™ has been without any financial benefit for the inventor. The development has been supported and founded by the University of Southern Denmark.

Publisher Copyright:
© The Author(s) 2021.

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