• Thomas Lesser, Torsten Doenst, Thomas Lehmann, and Jerar Mukdessi.
• Department of Thoracic-and Vascular Surgery, Lung Cancer Center DKG, SRH Wald-Klinikum Gera, Germany; Department of Cardiothoracic Surgery, University Hospital Jena, Germany; Institute for Medical Statistics, Computer Science, and Data Science, University Hospital Jena, Germany.
• Dtsch Arztebl Int. 2019 May 10; 116 (19): 329-334.

BackgroundVideo-assisted thoracoscopy and atypical resection of lung parenchyma is a surgical procedure that is carried out very commonly around the world, mainly to determine the degree of malignancy of a suspect pulmonary nodule. A pleural drain is routinely inserted at the end of the procedure. The goal of our study was to evaluate the outcomes of this procedure with and without pleural drainage.MethodsFrom June 2015 to January 2018, 74 patients were prospectively randomized to either the chest-tube group (CT group, 37 patients) or the no-chest-tube group (NCT group, 37 patients) and were followed up until the seventh day after surgery. The postoperative duration of hospital stay was the primary endpoint; the secondary endpoints were the rates of pneumothorax and repeated chest drainage, pain intensity, and analgesic consumption. Blinding was not possible. An intention- to-treat analysis was performed. (Study registration; DRKS00008194, www.drks.de/drks.).ResultsHospital stays were significantly shorter in the NCT group (means and first and fourth quartiles: 1.5 [1.5; 1.5] versus 2.5 [2.5, 2.5] days, p<0.001). The two groups did not differ significantly with respect to the frequency of postoperative complications. There were two occurrences of postoperative pneumothorax in the NCT group, with one patient needing drainage via chest tube and the other needing no treatment. Pain intensity and analgesic consumption were markedly lower in the NCT group; the cumulative oral intake of metamizole and acetaminophen was also lower in the NCT group (mean ± standard deviation: 3.7 ± 2.2 g in the NCT group versus 10.0 ± 4.2 g in the CT group, p<0.001).ConclusionNot inserting a chest tube after video-assisted thoracoscopic lung biopsy significantly shortens the postoperative hospital stay, and the complications in the chest-tube and no-chest-tube groups are similar. Postoperative pain and analgesic consumption are markedly less when no chest tube is inserted.

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