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  MO02 - General Thoracic and Minimally Invasive Surgery (ID 99)

  • Event: WCLC 2013
  • Type: Mini Oral Abstract Session
  • Track: Surgery
  • Presentations: 1
  • Moderators:M. Tajiri, M. Krasnik
  • Coordinates: 10/28/2013, 10:30 - 12:00, Parkside 110 A+B, Level 1

  • 11079

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    MO02.04 - Safety and long term outcome of repeated lung resection for ipsilateral second primary lung cancer (ID 3048)

    10:45 - 10:50  |  Author(s): K. Togashi
    • Abstract
    • Presentation
    • Slides

    Background
    Repeated lung resection for second primary lung cancer is indicated as an effective treatment in properly selected patients. Among repeated lung resections, surgery for ipsilateral lesion is a challenging modality for thoracic surgeons. We report our experience of repeated lung resection, especially focused on ipsilateral reoperation after anatomical major lung resection.

    Methods
    We retrospectively reviewed patients who had undergone a second lung resection for ipsilateral second primary lung cancer at the 3 institutions between 2000 and 2012. The diagnosis of the second primary lung cancer was based on the criteria from Martini. Variables analysis included clinical and pathologic data including age, sex, c-stage, surgical procedure, p-stage, histology, time interval between the two operations, operative findings, operative morbidity and mortality, as well as long term outcomes. Overall survival was calculated using the Kaplan-Meier method.

    Results
    There were 52 reoperations in 50 patients. Of the 50 patients, 35 were male and 15 were female. The median age at the time of a second operation was 69.9 years (range 51 to 85). The first lung resection was lobectomy in 48 patients and segmentectomy in 2 patients. According to the current TNM classification, p-stage of the first lung cancer was IA in 20, IB in 24, IIA in 3, IIB in 1, IIIA in 1, and IV in 1. The mean value of %vital capacity and forced expiratory capacity in one second /forced vital capacity obtained before the second surgery was 94.7% and 72.3% respectively. The second operation was wedge resection in 28, segmentectomy in 9, right middle lobectomy in 4, right upper lobectomy after lower lobectomy in one, and completion pneumonectomy in 7. The mean interval time between the two operations was 64 months (range, 15-156 months). During second surgery, vascular injury was occurred in 2 patients. Mean volume of blood loss during surgery was 354ml (range, 0 to 3440 ml), and blood transfusion was necessary in 6 patients. Intrapericaridial exposure of the main pulmonary artery was employed in 9 patients due to dense vascular adhesions. There was no operative death.　Complications occurred in 9 patients (prolonged air leakage in 5, empyema in 2, heart failure in 1, and delirium in 1). One patient died of pneumonia 5 months after the second operation. Therefore morbidity and hospital mortality was 18% and 2%, respectively. Pathological diagnosis of the second primary lung cancer was adenocarcinoma in 41, squamous cell carcinoma in 9, and sarcoma in 1. P-stage of the second lung cancer was IA in 37, IB in 8, IIA in 1, IIB in 2, IIIA in 1, and IV in 1. The 5-year overall survival after the second operation was 67 %, and more favorable 5-year survival of 77% was observed in p-stage IA.

    Conclusion
    Most second primary lung cancer in this retrospective study was treated in p-stage I. Reoperations for a second primary lung cancer on the same side of the first surgery shows an acceptable morbidity and mortality rate, and provides favorable survival in selected patients with adequate physiologic pulmonary reserve.

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