Received: 21 October 2020
Accepted: 10 March 2021
First Online: 23 March 2021
: The trial was approved by both institutional ethics committee and conducted in accordance with the Declaration of Helsinki (2013). The study was registered on ExternalRef removed (Registry number: NCT02808897). All patients provided written consent prior to enrollment.
: Not applicable.
: This trial was not externally funded. LPP serves as a ClearFlow Inc. Scientific Advisor and both LPP and PD have received honorarium for scientific presentations. During the duration of the trial, ClearFlow Inc. offered a volume discount on PleuraFlow chest tubes but provided no direct funding for the clinical trial or data analysis. The investigators had full unrestricted scientific control of the design of the trial, data analysis and publication of the written report.