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Takahiko Ueno

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    MA01 - Early Stage Lung Cancer: Questions and Controversies (ID 894)

    • Event: WCLC 2018
    • Type: Mini Oral Abstract Session
    • Track: Treatment of Early Stage/Localized Disease
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/24/2018, 10:30 - 12:00, Room 202 BD
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      MA01.06 - Evaluation of Safety and Efficacy in Surgical Treatment for Octogenarian Lung Cancer Patients by Multicenter Prospective Study: JACS1303 (ID 13117)

      11:05 - 11:10  |  Author(s): Takahiko Ueno

      • Abstract
      • Presentation
      • Slides


      The percentage of octogenarian lung cancer patients have increased on the background of the aging of Japan’s demographics. Although some retrospective studies reported clinicopathological scoring systems for predicting postoperative complications and survival outcomes for elderly lung cancer patients, optimized scoring systems remain controversial. This study (JACS1303) aims to evaluate the clinical factors to develop a comprehensive operative risk scoring (RS) system for octogenarian patients with lung cancer.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      JACS conducted a nationwide multicenter prospective cohort and enrolled a total of 1,019 octogenarians with medically operable lung cancer. Details of the clinical factors, comorbidities, and comprehensive geriatric assessment were recorded for 895 patients to develop a comprehensive risk scoring (RS) system capable of predicting severe complications.

      4c3880bb027f159e801041b1021e88e8 Result

      Operative (30 days) and hospital mortality rates were 1.0% and 1.6%, respectively. Complications were observed in 308 (34%) patients, of whom 81 (8.4%) had grade 3–4 severe complications. Pneumonia was the most common severe complication, observed in 27 (3.0%) patients. The following five predictive factors: gender, comprehensive geriatric assessment (CGA)75: memory, Simplified Comorbidity Score (SCS): diabetes mellitus, Alb, and %VC were identified as independent predictive factors for severe postoperative complications (odds ratio = 2.73, 1.86, 1.54, 1.66, and 1.61, respectively) through univariate and multivariate analyses. A 5-fold cross validation was performed as an internal validation to reconfirm these five predictive factors (average AUC: 0.70). We developed a simplified RS system as follows: RS = 3 (Gender: male) + 2 (CGA75: memory: yes) + 2 (Alb: <3.8 ng/ml) + 1 (%VC: ≤90) + 1 (SCS: Diabetes mellitus: yes).

      8eea62084ca7e541d918e823422bd82e Conclusion

      The current study shows that octogenarians can be successfully treated for lung cancer with surgical resection with an acceptable rate of severe complications and mortality. We propose a simplified RS system to predict severe complications in octogenarian patients with medically operative lung cancer.


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