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MINI 20 - Surgery (ID 137)
- Event: WCLC 2015
- Type: Mini Oral
- Track: Treatment of Locoregional Disease – NSCLC
- Presentations: 1
MINI20.12 - Advancements in Bronchoplasty as Treatments for Lung Cancer: Single Institutional Review of 213 Patients (ID 1331)
16:45 - 18:15 | Author(s): K. Matsumoto
Bronchoplasty has become widely accepted as a reliable and safe lung-saving procedure for lung cancer. The purpose of this study was to evaluate the factors contributing to the outcomes of bronchoplasty for lung cancer by analyzing a single institution’s data for a 30-year period.
In the 2416 patients who underwent lung resections for lung cancer at Nagasaki University Hospital from 1980 to 2010, there were 222 bronchoplastic procedures. After excluding patients who underwent carinoplasty, 213 patients (161 bronchoplasty and 52 broncho-angioplasty) were included. The patients were divided into two groups by the date of surgery: the 1[st] period was 1980 to 1995, and the 2[nd] period was 1996 to 2010.
Bronchoplasty and broncho-angioplasty were performed in 100 (75.8%) and 32 (24.2%) patients, respectively, in the first period and 61 (75.3%) and 20 (24.7%) patients, respectively, in the second period. Overall 90-day operative morbidity and mortality rates were 25.8 and 9.8%, respectively, in the first period and 45.7 and 2.5%, respectively, in the second period. Thirty-day mortality rates were 6.8% in the first period and 0% in the second period. Five-year survival was 41.1% (n = 132) in the first period and 61.5% (n = 81) in the second period (P = 0.0003). Comparing bronchoplasty and broncho-angioplasty, the 5-year survival was 45.6 and 26.5%, respectively, in the first period (P = 0.0048) and 60.9 and 62.1%, respectively, in the second period (P = 0. 8131). Using multivariate analysis to identify potential prognostic factors, the type of operation (broncho-angioplasty), postoperative complications and histology (non-squamous cell carcinoma) were significant factors affecting survival in the first period, but none of the factors significantly affected survival in the second period. When the rates of pN2 or N3 histological type disease were compared in each period, the rate of pN2 or N3 disease in non-squamous cell carcinoma was 51.4% in the first period and 45.5% in the second period; both were significantly higher than in squamous cell carcinoma (31.6 and 16.9%, respectively; P = 0. 0365 and 0.0073). Figure 1
The present study suggests that progress in the preoperative staging system and perioperative medical management, as well as surgery, has contributed to current improvements in patients undergoing bronchoplasty and broncho-angioplasty. However, since nodal status in non-squamous cell carcinoma is not precisely evaluated before the operation, the indication for bronchoplasty should be considered carefully.
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