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Andrew Hope



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    MA18 - Modelling, Decision-Making and Population-Based Outcomes (ID 920)

    • Event: WCLC 2018
    • Type: Mini Oral Abstract Session
    • Track: Treatment in the Real World - Support, Survivorship, Systems Research
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/25/2018, 13:30 - 15:00, Room 201 F
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      MA18.07 - Awareness of the Harms of Continued Smoking Among Lung Cancer (LC) Survivors (ID 12024)

      14:05 - 14:10  |  Author(s): Andrew Hope

      • Abstract
      • Presentation
      • Slides

      Background

      Continued smoking after a LC diagnosis is associated with poorer cancer outcomes including increased risk of treatment-related side-effects, reduced treatment efficacy and poorer prognosis. Smoking cessation is an integral part of LC survivorship by improving both cancer and non-cancer outcomes. To enhance survivorship education, clinicians should understand patient awareness of the harms of continued smoking.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      LC survivors from Princess Margaret Cancer Centre, Toronto (2014-2017) were surveyed with respect to self-awareness of the harms of continued smoking on cancer-related outcomes. Univariable and multivariable logistic regression models assessed factors associated with awareness and whether awareness was associated with cessation among current smokers at diagnosis.

      4c3880bb027f159e801041b1021e88e8 Result

      Of 553 patients, 181 were lifetime never-smokers. Among those smoking during the peri-diagnosis period (n=177), 65% quit after diagnosis. Among all, few patients were aware that smoking negatively impacts treatment-related outcomes [complications from cancer surgery (only 41% aware), radiation side-effects (30%), quality-of-life on chemotherapy (44%) and treatment efficacy (36%)]; half were aware that smoking negatively impacts cancer prognosis (51% aware) and risk of developing second primaries (50%). Compared to ex-smokers/never-smokers at diagnosis, current smokers at diagnosis were less aware of the impact of smoking on radiation side-effects (22% vs 31% aware, P=0.01), prognosis (44% vs 55%, P=0.02) and risk of second primaries (42% vs 55%, P=0.007). Among sociodemographic variables, only those speaking English at home were consistently found more likely unaware that smoking negatively impacts these outcomes (ORs=1.52-2.20, P<0.04). Patients with early stage disease were more likely unaware that smoking negative impacts radiation side-effects (OR=1.60, 95%CI[1.09-2.35], P=0.02); while patients on curative treatment (OR=1.53[1.08-2.17], P=0.02) and those exposed to second-hand smoke (SHS) were more likely unaware that smoking impacts quality-of-life on chemotherapy (OR=1.64[1.05-2.58], P=0.03). Exposure to SHS, treatment intent and stage were not associated with awareness of impact on prognosis or second primaries (P>0.11). Among smokers in the peri-diagnosis period, awareness of the impact of smoking on surgical complications (aOR=2.09 [0.96-4.54], P=0.06), quality-of-life while receiving chemotherapy (aOR=2.60[1.17-5.79], P=0.02) and on treatment efficacy (aOR =2.24[0.97-5.20], P=0.06) were each associated with subsequent quitting, adjusted for marital status, pack-years, self-rated health and SHS exposure.

      8eea62084ca7e541d918e823422bd82e Conclusion

      Many LC patients are unaware of the harms of continued smoking on cancer outcomes, particularly those smoking at diagnosis. Awareness of some of these outcomes was associated with subsequent tobacco cessation. Patient education on the health benefits of smoking cessation may increase quit rates and improve outcomes for LC patients.

      6f8b794f3246b0c1e1780bb4d4d5dc53

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    OA11 - Thymic and Other Thoracic Tumours: Targeted Therapies, Biomarkers and Neo/Adjuvant Radiotherapy (ID 919)

    • Event: WCLC 2018
    • Type: Oral Abstract Session
    • Track: Thymoma/Other Thoracic Malignancies
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/25/2018, 13:30 - 15:00, Room 205 BD
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      OA11.03 - Discussant - OA 11.01, OA 11.02 (ID 14566)

      13:50 - 14:05  |  Presenting Author(s): Andrew Hope

      • Abstract
      • Presentation
      • Slides

      Abstract not provided

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