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  P2.16 - Treatment of Early Stage/Localized Disease (Not CME Accredited Session) (ID 965)

  • Event: WCLC 2018
  • Type: Poster Viewing in the Exhibit Hall
  • Track:
  • Presentations: 1
  • Moderators:
  • Coordinates: 9/25/2018, 16:45 - 18:00, Exhibit Hall

  • 27293

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    P2.16-35 - Analysis of Pre and Intra Operative Factors Related to the Operation Time of Lobectomy in VATS: Is the Shape of Thoracic Cavity a Predictive Factor? (ID 12917)

    16:45 - 18:00  |  Author(s): Nakayama Haruhiko
    • Abstract
    • Slides

    Background
    

    Video-assisted thoracoscopic surgery (VATS) to treat lung cancer is less invasive than thoracotomy. However, prolongation of the operation time can make VATS more invasive. An understanding of the preoperative factors of patients scheduled to undergo VATS may help us decide the operative approach and select patients for training young surgeons. We investigated preoperative and intraoperative factors related to prolongation of the operation time required to thoracoscopically perform lobectomy with mediastinal lymph node dissection for lung cancer.

    a9ded1e5ce5d75814730bb4caaf49419 Method
    

    We reviewed all 166 patients who had undergone VATS lobectomy with mediastinal lymph node dissection for lung cancer between April 2013 and September 2016 in our hospital. The depth and width of the thoracic cavity was measured on preoperative computed tomographic scans. Preoperative and intraoperative factors were entered in multiple regression analysis to identify independent predictors of a prolonged operation time. We analyzed the relation between the numbers of factors related to a prolonged operation time and the operation time by one-way ANOVA.

    4c3880bb027f159e801041b1021e88e8 Result
    

    The average operation time was 175 minutes. On univariate analysis, the shape of the thoracic cavity was not associated with operation time. On multivariate analysis, smoking index (>600), location of the resected lobe (right middle and left upper lobes), clinical lymph-node metastasis, massive adhesion in thoracic cavity, and the number of autosutures for lobe division (3 or more) were independent factors related to a prolonged operation time. The presence of more factors was related to a longer operation time (p<0.001; no factor: 153 min, one factor: 163 min, two factors: 194 min, three factors: 219 min, and four factors: 222 min).

    8eea62084ca7e541d918e823422bd82e Conclusion
    

    The shape of the thoracic cavity was not associated with operation time. We identified 5 predictors of a prolonged operation time. Our findings may be useful for deciding the operative approach and selecting patients suitable for training of surgeons.

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