Abstract
Purpose
To elucidate clinical outcomes using a digital drainage system (DDS) for massive air leakage (MAL) after pulmonary resection.
Methods
A total of 135 consecutive patients with pulmonary resection air leakage of > 100 ml/min on the DDS were evaluated retrospectively. In this study, MAL was defined as ≥ 1000 ml/min on the DDS. We analyzed the clinical characteristics and surgical outcomes of patients with MAL compared with non-MAL (101–999 ml/min). Using the DDS data, the duration of the air leak was plotted with the Kaplan‒Meier method and compared using the log-rank test.
Results
MAL was detected in 19 (14%) patients. The proportions of heavy smokers (P = 0.04) and patients with emphysematous lung (P = 0.03) and interstitial lung disease (P < 0.01) were higher in the MAL group than in the non-MAL group. The MAL group had a higher persistence rate of air leakage at 120 h after surgery than the non-MAL group (P < 0.01) and required significantly more frequent pleurodesis (P < 0.01). Drainage failure occurred in 2 (11%) and 5 (4%) patients from the MAL and non-MAL groups, respectively. Neither reoperation nor 30-day surgical mortality was observed in patients with MAL.
Conclusions
MAL was able to be treated conservatively without surgery using the DDS.
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TU contributed to the design and coordination of the study, conducted research, prepared the manuscript, and read and approved the final version of the manuscript. KT and AH contributed to the design and coordination of the study, revised the manuscript for important intellectual content, and read and approved the final version. MF, TM, and KS contributed to the preparation of the manuscript and read and approved the final version.
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Ueda, T., Takamochi, K., Hattori, A. et al. Postoperative management using a digital drainage system for massive air leakage after pulmonary resection. Surg Today 54, 130–137 (2024). https://doi.org/10.1007/s00595-023-02703-y
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DOI: https://doi.org/10.1007/s00595-023-02703-y