Author(s): Hirai K, Takeuchi S, Usuda J
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Abstract OBJECTIVES: To assess the feasibility, safety and postoperative wound pain of single-incision thoracoscopic surgery (SITS) for Stage I lung cancer in patients who had previously undergone surgery compared with conventional video-assisted thoracoscopic surgery (c-VATS). METHODS: Lobectomy by SITS (60) and c-VATS (20) was performed for Stage I lung cancer between 2011 and 2014. In SITS, an ∼ 5-cm small incision was placed at the fourth or fifth intercostal space from the anterior to posterior axillary line. C-VATS was performed via three or four ports using trocars only. The evaluation items were general operative outcomes, pain stress using the Numeric Rating scale (NRS) on postoperative days 3, 7 and 30, and some pathological symptoms related to the neuropathic wound pain through the operative course. The number of days of use of analgesic agents was also evaluated for 1 month after surgery. RESULTS: SITS showed similar perioperative outcomes (postoperative hospital stay, blood loss, surgical time, drainage duration, creatine phosphokinase (CPKmax), creactive protein (CRPmax) and frequency of postoperative complications) to those of c-VATS. Additionally, the average NRS in SITS decreased on postoperative days 7 and 30 (Day 7: 2.4 ± 0.4 vs 4.2 ± 0.3, P = 0.041, Day 30: 1.7 ± 0.4 vs 3.3 ± 0.3, P = 0.038) and the number of days analgesic agents were administered was also reduced (SITS: 8.1 ± 0.9 vs c-VATS 13.1 ± 1.2 days, P = 0.045). The frequency of allodynia, hyperalgesia, hypaesthesia and numbness was significantly reduced in the SITS group. CONCLUSIONS: Although conclusive evidence has not yet been obtained, SITS is more minimally invasive in regard to postoperative wound pain compared with c-VATS. This procedure should be considered as a treatment option for early-stage lung cancer. © The Author 2015. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.
This article was published in Eur J Cardiothorac Surg
and referenced in Biochemistry & Analytical Biochemistry