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Evaluation of Tobacco Use and Her-2 Receptor Expression in Breast Cancer in an Ethnically Diverse Inner-City Population

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Open Journal of Epidemiology 2014年第2期4卷 84-88页

作者： Damien M. Hansra Judith Hurley Sylvester Comprehensive Cancer Center at the University of Miami Miami USA

Background: Tobacco is linked to most cancers however despite overwhelming biological plausibility and decades of epidemiological studies, no association has been established between tobacco and breast cancer. Although estrogen receptor status has been looked at as a variable there has been no evaluation of the role of Her-2 and smoking in breast cancer. Methods: Review of records from patients treated at the University of Miami/Jackson Memorial Hospital from 1998-2012. The incidence of smoking and Her-2 expression in1255 women was evaluated. Data was analyzed by age, race, ethnic group, menopausal status, tumor stage, and ER/PR/Her-2 receptor status. Results: 1255 charts were analyzed with 1094 having full information. Overall rate of Her-2 expression 18.1%. The rate of Her-2 expression was 21.4% in smokers and 17.0% in non-smokers (p = 0.10). The rate of Her-2 expression was 10.8% in Caucasian smokers and 9.8% in Caucasian non-smokers (p = 0.88);24.5% in smokers of African descent and 17.3% in non-smokers of African descent (p = 0.24);22.9% in Latino smokers and 17.4% in Latino non-smokers (p = 0.10). The rate of Her-2/ER expression was 9.4% in smokers and 7.9% in non-smokers (p = 0.42);5.4% in Caucasian smokers and 4.9% in Caucasian non-smokers (p = 0.916);12.2% in smokers of African descent and 5.9% in non-smokers of African descent (p = 0.11);9.5% in Latin smokers and 8.8% in Latin non-smokers (p = 0.77). Conclusions: We found non-statistically significant positive associations in all analyses between Her-2 expression with or without ER expression and tobacco exposure when analyzed by ethnicity.

关键词： HER-2 Breast Cancer Tobacco

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Effects of Obesity and Smoking on Survival in Non-Small Cell Lung Cancer

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Open Journal of Epidemiology 2016年第2期6卷 128-139页

作者： Damien M. Hansra Tulay Koru-Sengul Wei Zhao Feng Miao Alicia P. Monedero Stacey L. Tannenbaum David J. Lee Judith Hurley Margaret M. Byrne University of Miami/Jackson Memorial Hospital Miami FL USA Department of Public Health Sciences and Sylvester Comprehensive Cancer Center of University of Miami Miller School of Medicine Miami FL USA

Background: Obesity is an emerging leading cause of morbidity and mortality in the US and the relationship between obesity, tobacco, and survival in NSCLC is unclear. Methods: Data (n = 87,631) were obtained from linkage of the 1996-2007 Florida Cancer Data System to the Agency for Health Care Administration database providing procedure and diagnoses codes. Survival time was calculated from date of diagnosis to date of death. Smoking status was categorized as never, current, and former. Obesity (yes/no) = ICD9 code BMI > 30 kg/m2, cachexia = ICD9 code “wasting syndrome”, & non-obese = non-obese & non cachectic. Cox proportional regression models used to predict survival;demographic, clinical, treatment factors, & comorbidities were included in adjusted models with smoking status and obesity as the main factors. Results: The majority of patients (pts) were either former (49%) or current (40%) smokers, & non-obese (88%). 6.8% of pts were obese & 4.8% of pts were cachectic. There were significant differences between survival curves and median survival (months) for obese vs. non-obese vs. cachectic pts. (20 vs 10 vs. 7.9;P < 0.001). Former and current smokers had shorter median survival than never smokers (10.8 & 9.2 vs. 11.9;P < 0.001). Survival rates (%) at 1-yr (60.1 vs. 45.2 vs. 37.7;P < 0.001), 5-yr (30.3 vs. 15.4 vs. 9.5;P < 0.001), 10-yr (18.1 vs. 7.6 vs. 2.7;P < 0.001) were better for obese vs. non-obese and cachectic pts respectively. Independent predictor of worse survival in the unadjusted model was former (HR 1.08;P < 0.001) and current (HR 1.20;P < 0.001) smokers compared to never. Obese and non-obese pts had better survival vs. cachexia pts. (HR 0.52;P < 0.001 and HR 0.80, p < 0.001 respectively) and obese had better survival than Non-obese pts (HR 0.65, p < 0.001). In the adjusted model, controlling for extensive variables and comorbidities, former (HR 1.11;P < 0.001) and current (HR 1.19;P < 0.001) smokers still had significantly worse survival vs. never smokers. Obese patients still had better surviv

关键词： Lung Cancer Non-Small Cell Lung Cancer Tobacco Smoking Obesity

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