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English Abstract
Journal Article
[Place of bilobectomy in pulmonary oncology and prognostic factors in NSCLC].
Revue de Pneumologie Clinique 2014 October
INTRODUCTION: Bilobectomy may be performed for different reasons and lung tumors. There are still controversies regarding the results of this procedure. We reviewed our experience of bilobectomy to evaluate the particularities of this resection.
METHODS: The clinical files of patients operated on for lung tumors in two French centers between 1980 and 2009 were prospectively recorded and retrospectively analyzed. The characteristics, management, pathology, and survival after right-sided resections for non-small cell lung cancer (NSCLC) were then compared.
RESULTS: During the study period, 3280 right-sided resections were performed, including 235 bilobectomy (7%), for NSCLC in 192 cases (82%). Lower-middle lobectomy (LML) represented 60% of bilobectomy, with carcinoid tumors and squamous cell carcinoma being more frequent in this group. Upper-middle lobectomy (UML) represented 40% of bilobectomy, with less postoperative complications and mortality in this group. In N0-NSCLC, the rate of postoperative mortality and 5-year survival rates after bilobectomy (4.7% and 46.1%, respectively) were intermediate between lobectomy (2.7% and 52.6%) and pneumonectomy (9.6% and 31.7%, P<10(-6) for both comparisons). There was no significant difference in 5-year survival rates according to the type of bilobectomy and the performance of any induction therapy.
CONCLUSION: Bilobectomy is associated with acceptable in-hospital mortality and encouraging 5-year survival rates despite an increased incidence of postoperative complications. Approximation in survival of UML and pneumonectomy and of LML and lobectomy may be due to differences in histologic features with different fissure extension and interlobar node involvement.
METHODS: The clinical files of patients operated on for lung tumors in two French centers between 1980 and 2009 were prospectively recorded and retrospectively analyzed. The characteristics, management, pathology, and survival after right-sided resections for non-small cell lung cancer (NSCLC) were then compared.
RESULTS: During the study period, 3280 right-sided resections were performed, including 235 bilobectomy (7%), for NSCLC in 192 cases (82%). Lower-middle lobectomy (LML) represented 60% of bilobectomy, with carcinoid tumors and squamous cell carcinoma being more frequent in this group. Upper-middle lobectomy (UML) represented 40% of bilobectomy, with less postoperative complications and mortality in this group. In N0-NSCLC, the rate of postoperative mortality and 5-year survival rates after bilobectomy (4.7% and 46.1%, respectively) were intermediate between lobectomy (2.7% and 52.6%) and pneumonectomy (9.6% and 31.7%, P<10(-6) for both comparisons). There was no significant difference in 5-year survival rates according to the type of bilobectomy and the performance of any induction therapy.
CONCLUSION: Bilobectomy is associated with acceptable in-hospital mortality and encouraging 5-year survival rates despite an increased incidence of postoperative complications. Approximation in survival of UML and pneumonectomy and of LML and lobectomy may be due to differences in histologic features with different fissure extension and interlobar node involvement.
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