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H.J. Sim



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    O13 - Limited Resections (ID 101)

    • Event: WCLC 2013
    • Type: Oral Abstract Session
    • Track: Surgery
    • Presentations: 1
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      O13.05 - Outcomes of Sublobar Resection Versus Lobectomy for Non small cell Lung Cancer (NSCLC) with IPF (ID 3074)

      10:30 - 12:00  |  Author(s): H.J. Sim

      • Abstract
      • Presentation
      • Slides

      Background
      The patients for NSCLC with IPF are having at a high risk of pulmonary resection. The objective of this study was to compare the survival rate after sublobar resection and lobectomy or more resection for NSCLC among patients with IPF.

      Methods
      The total 80 patients with IPF from 1995 to 2012 at Asan Medical Center had received pulmonary resection for NSCLC. Predictors of overall survival and disease-free survival were evaluated. Statistical analyses included Kaplan-Meier estimates of survival, log-rank tests of survival differences and multivariate Cox proportional hazards models.

      Results
      Lobectomy or more resection (lobectomy group) was performed in 65 patients and sublobar resection (sublobar group) in 15 patients. The median age was 66 years (range, 42 to 86 years), The median follow-up was 17 months (range, 0.4 to 96.5 months). The postoperative early mortality rate was higher at lobectomy group than sublobar group (15.4% versus 6.7%, p<0.3), but there was no difference in postoperative late mortality between sublobar group and lobectomy group. (60.0% versus 56.9%, P<0.8) Lung cancer related death rate was higher at sublobar group than lobectomy group. (50.0% versus 23.4%, p=0.089), but the respiratory problem related death rate was higher at lobectomy group than sublobar group. (76.6% versus 50.0%, p=0.089) There was no difference in local recurrence between two groups (20.0% versus 7.7% P=0.15) Distant metastasis was higher at sublobar group than lobectomy group. (46.7% versus 10.9%, p<0.001) There was no difference in overall survival between two groups with a hazard ratio of 0.51 (95% confidence interval, 0.21 to 1.2). A disease-free survival of sublobar group was significantly lower than lobectomy group, with an increased hazard ratio of 4.7 (95% confidence interval, 1.1 to 20.2, p=0.03).

      Conclusion
      Although sublobar group was associated with increased incidence of distant metastasis compared with lobectomy group but there is no difference in overall survival. Therefore, sublobar resection might be considered as one of the strategy for lung cancer with IPF.

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