Ryoichi Nakanishi1,2, Yoshihisa Fujino3, Masato Kato4, Takashi Miura5, Manabu Yasuda6, Risa Oda7, Keisuke Yokota7, Katsuhiro Okuda7, Hiroshi Haneda7. 1. Department of Oncology, Immunology and Surgery, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, 467-8601, Japan. ryoichi@med.nagoya-cu.ac.jp. 2. Department of Thoracic Surgery, Shin-Kokura Hospital, Kitakyushu, Japan. ryoichi@med.nagoya-cu.ac.jp. 3. Department of Preventive Medicine and Community Health, University of Occupational and Environmental Health, Kitakyushu, Japan. 4. Department of Thoracic Surgery, Hamanomachi Hospital, Fukuoka, Japan. 5. Department of Thoracic Surgery, Shin-Bepp Hospital, Oita, Japan. 6. Department of Thoracic Surgery, Shin-Kokura Hospital, Kitakyushu, Japan. 7. Department of Oncology, Immunology and Surgery, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, 467-8601, Japan.
Abstract
OBJECTIVES: There is no evidence concerning the appropriate drainage volume for indicating chest tube removal after pulmonary lobectomy. A prospective multi-institutional cohort study was designed to elucidate the safety of early chest tube removal after thoracoscopic lobectomy. METHODS: Between April 2009 and November 2011, 310 patients with suspected or histologically documented lung cancer were screened. Patients without air leakage or bloody, chylous, or purulent pleural effusion underwent chest tube removal on the day after thoracoscopic lobectomy, independent of the drainage volume. The subjects were classified into three groups as tertiles according to the drainage volume that was observed for approximately 24 h after surgery. The associations between the drainage volume and the development of complications were investigated, with several clinical factors taken into account. RESULTS: The 162 patients who were enrolled underwent early chest tube removal via this protocol and were classified into three groups according to their drainage volume (0-219 mL, n = 52; 220-349 mL, n = 56; and ≥ 350 mL, n = 54). A 7F backup tube placed within the dead space to prevent troubles was removed by postoperative day 4 in all patients because nothing happened. Univariate and multivariate analyses showed that the drainage volume was not associated with the risk of complications. CONCLUSIONS: Early removal of the chest tube on the day after thoracoscopic lobectomy appears to be a safe treatment protocol in patients without air leakage or bloody, chylous, or purulent pleural effusion; however, careful surveillance is needed for patients who have a drainage volume of ≥ 350 mL/day. CLINICAL REGISTRATION NUMBER: University Hospital Medical Information Network Clinical Trials Registry, 000028971 (Japan).
OBJECTIVES: There is no evidence concerning the appropriate drainage volume for indicating chest tube removal after pulmonary lobectomy. A prospective multi-institutional cohort study was designed to elucidate the safety of early chest tube removal after thoracoscopic lobectomy. METHODS: Between April 2009 and November 2011, 310 patients with suspected or histologically documented lung cancer were screened. Patients without air leakage or bloody, chylous, or purulent pleural effusion underwent chest tube removal on the day after thoracoscopic lobectomy, independent of the drainage volume. The subjects were classified into three groups as tertiles according to the drainage volume that was observed for approximately 24 h after surgery. The associations between the drainage volume and the development of complications were investigated, with several clinical factors taken into account. RESULTS: The 162 patients who were enrolled underwent early chest tube removal via this protocol and were classified into three groups according to their drainage volume (0-219 mL, n = 52; 220-349 mL, n = 56; and ≥ 350 mL, n = 54). A 7F backup tube placed within the dead space to prevent troubles was removed by postoperative day 4 in all patients because nothing happened. Univariate and multivariate analyses showed that the drainage volume was not associated with the risk of complications. CONCLUSIONS: Early removal of the chest tube on the day after thoracoscopic lobectomy appears to be a safe treatment protocol in patients without air leakage or bloody, chylous, or purulent pleural effusion; however, careful surveillance is needed for patients who have a drainage volume of ≥ 350 mL/day. CLINICAL REGISTRATION NUMBER: University Hospital Medical Information Network Clinical Trials Registry, 000028971 (Japan).
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