Annals of surgical oncology · 2013
Video-assisted thoracoscopic surgical thymectomy to treat early thymoma: a comparison with the conventional transsternal approach.
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Liu Tom J, Lin Mong-Wei, Hsieh Min-Shu, Kao Ming-Wei, Chen Ke-Cheng, Chang Chin-Chih, Kuo Shuenn-Wen, Huang Pei-Ming, Hsu Hsao-Hsun, Chen Jin-Shing, Lai Hong-Shiee, Lee Jang-Ming
Аннотация
BACKGROUND: For thymoma, the feasibility of resection via video-assisted thoracoscopic surgery (VATS) remains controversial. The objective of our study was to compare the outcomes of VATS and transsternal thymectomy in order to evaluate the efficacy of the VATS method for treatment of early stage thymoma.
METHODS: This study is a retrospective study of 120 patients who underwent thymectomy of early stage thymoma (Masaoka stage I and II) in a single medical center from 1991 to 2010. Of these patients, 76 patients underwent VATS thymectomy (VATS group) and 44 patients underwent the conventional transsternal approach (sternotomy group). We applied the Kaplan-Meier method to estimate overall survival (OS), recurrence-free survival (RFS), and time to tumor recurrence (TTR) of these two groups.
RESULTS: The mean follow-up time was 61.9 months in the VATS group and 69.7 months in the sternotomy group. There was no surgery-related mortality or major complication. The VATS group had smaller specimen size (p < 0.05) and tumor size (p < 0.01), shorter length of stay (LOS) in the hospital (p < 0.01), and shorter duration of chest tube drainage (p < 0.05) than the sternotomy group. There were no significant differences between the two groups for OS, RFS, and TTR.
CONCLUSIONS: In early stage thymoma, VATS thymectomy associated with shorter hospital LOS and shorter duration of pleural drainage compared with the conventional transsternal approach. Otherwise, the two approaches had similar oncologic outcomes during the mean 60-month follow-up period.
METHODS: This study is a retrospective study of 120 patients who underwent thymectomy of early stage thymoma (Masaoka stage I and II) in a single medical center from 1991 to 2010. Of these patients, 76 patients underwent VATS thymectomy (VATS group) and 44 patients underwent the conventional transsternal approach (sternotomy group). We applied the Kaplan-Meier method to estimate overall survival (OS), recurrence-free survival (RFS), and time to tumor recurrence (TTR) of these two groups.
RESULTS: The mean follow-up time was 61.9 months in the VATS group and 69.7 months in the sternotomy group. There was no surgery-related mortality or major complication. The VATS group had smaller specimen size (p < 0.05) and tumor size (p < 0.01), shorter length of stay (LOS) in the hospital (p < 0.01), and shorter duration of chest tube drainage (p < 0.05) than the sternotomy group. There were no significant differences between the two groups for OS, RFS, and TTR.
CONCLUSIONS: In early stage thymoma, VATS thymectomy associated with shorter hospital LOS and shorter duration of pleural drainage compared with the conventional transsternal approach. Otherwise, the two approaches had similar oncologic outcomes during the mean 60-month follow-up period.