Comparison of outcomes between muscle-sparing thoracotomy and video-assisted thoracic surgery in patients with cT1 N0 M0 lung cancer

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Abstract

Objective:

To compare short-term complications and long-term survival outcomes between muscle-sparing thoracotomy (MST) and video-assisted thoracic surgery (VATS) groups using a propensity-score matching process.

Methods:

One thousand eighty-three patients with cT1 N0 M0 lung cancer from January 2009 to December 2014 who underwent lobectomy and a systematic lymph node dissection were retrospectively included, and statistical analyses including a propensity-score matching process were used to compare short-term and long-term outcomes.

Results:

Before propensity-score matching, for short-term surgical outcomes, the VATS group had fewer chest tube dwelling days (P < .001), less chest tube output (P < .001), shorter hospital stay, and fewer postoperative complications (P = .015). For long-term survival outcomes, the VATS group had a longer recurrence-free survival (P < .001) and overall survival (P < .001). After propensity-score matching, for short-term surgical outcomes, the VATS group had fewer chest tube dwelling days (P < .001), less chest tube output (P < .001), shorter hospital stay (P = .002), and fewer postoperative complications (P = .008). There was no difference in recurrence-free survival and overall survival between the 2 groups (P = .158 and P = .639, respectively).

Conclusions:

VATS is less invasive and is associated with shorter length of hospital stay and fewer postoperative complications. The 2 surgical approaches have equivalent long-term survival outcomes.

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