NDLI: Effects of the disconnection technique and preemptive one-lung ventilation on lung collapse during one-lung ventilation in thoracoscopic surgery

Content Provider	Springer Nature : BioMed Central
Author	Zhang, Hongru Xiang, Silin Mei, Longyong Feng, Yonggeng She, Han Hu, Yi Wang, Li
Abstract	Background During thoracoscopic surgery with one-lung ventilation (OLV), achieving lung collapse is critical for providing surgeons with a good visibility of the surgical field and to minimise tissue compression. The aim of this study was to evaluate the efficacy of both the disconnection technique and preemptive one-lung ventilation in facilitating lung collapse during thoracoscopic surgery using a double-lumen tube (DLT). Methods Ninety-seven eligible patients were included and randomly divided into three groups. Control group: OLV was initiated when the surgeon started the skin incision and exposed the operative side. Disconnection group: OLV was started two minutes after the DLT was disconnected, this procedure started when the surgeon performed the skin incision. Preemptive group: OLV was initiated promptly after the patient was turned to the lateral position, and the bronchial tube port was clamped on the operative side at the lateral position for no less than 6 min until the pleura was opened. The primary outcome was the time to achieve satisfactory lung collapse, defined as the time required to reach a lung collapse score of eight points. The secondary outcomes included the lung collapse scores at different time points, Pleural opening times, OLV times, blood gas analysis results and the incidence of hypoxemia and pulmonary complications. The hypothesis formulated before data collection was that both the disconnection technique and preemptive OLV decrease the time to satisfactory lung collapse. Results Compared to the control group, both the disconnection and the preemptive group had a shorter time to satisfactory lung collapse (P < 0.001), lung collapse in the preemptive group was superior to that in the disconnection group at one minute (P = 0.045), no significant differences were found among the three groups in terms of other outcomes. Conclusion Both the disconnection technique and preemptive OLV decrease the time to satisfactory lung collapse. However, preemptive OLV results in superior early lung collapse and is therefore may more suitable for clinical application than the disconnection technique. Trial registration The protocol of this study was registered at www. chictr. org. cn (29/07/2022, ChiCTR2200062199).
Related Links	https://bmcanesthesiol.biomedcentral.com/counter/pdf/10.1186/s12871-025-02899-1.pdf
Ending Page	8
Page Count	8
Starting Page	1
File Format	HTM / HTML
ISSN	14712253
DOI	10.1186/s12871-025-02899-1
Journal	BMC Anesthesiology
Issue Number	1
Volume Number	25
Language	English
Publisher	BioMed Central
Publisher Date	2025-02-04
Access Restriction	Open
Subject Keyword	Anesthesiology Internal Medicine Emergency Medicine Intensive Critical Care Medicine One-lung ventilation Lung collapse Disconnection ventilation Preemptive one-lung ventilation
Content Type	Text
Resource Type	Article
Subject	Anesthesiology and Pain Medicine
Journal Impact Factor	2.3/2023
5-Year Journal Impact Factor	2.6/2023

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