Waterpipe Tobacco Smoking and Risk of Stomach Cancer: A Case-Control Study in Vietnamese Men

Nguyen, Cong Long; Sengngam, Khanpaseuth; Học, Trần Hiếu; Le, Phuoc Hong; Hang, Lai Thi Minh; Dao, Hang Viet; Ngoan, Le Tran

doi:10.31557/apjcp.2022.23.5.1587

Cited by 4 publications

(5 citation statements)

References 14 publications

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“…In addition to the two critical new findings above, the present study confirms an increased risk of cancer death from tobacco and waterpipe tobacco. These findings have consistent with previous studies 3 , 6 , 7 , 12 – 15 . Like cigarette smoking, after cessation of waterpipe tobacco exposure, the risk of death from all causes and all types of cancers decreased rapidly and statistically, consistent with another study 6 .…”

Section: Discussionsupporting

confidence: 94%

“…These new findings provide clear and convincing evidence of the overwhelming dangers of waterpipe smoking and its impact on potential premature death and loss of many years of life. This new finding has consistent with the previous results on the role of waterpipe smoking in the development of gastric cancer in Viet Nam 8 , 9 , 12 . The findings also supported the last observation in the United States and European Countries 6 , 7 .…”

Section: Discussionsupporting

confidence: 92%

“…The data on cooking methods included fermented foods, salty foods, fried fish, meats, eggs, barbecued meats, fish, others, grilled chicken and poultry, fish, and meat. The designed demographic lifestyle and semi-quantitative food frequency questionnaires were validated 11 to be reliable regarding macronutrient intake and feasible data on smoking published elsewhere 8 , 9 , 12 .…”

Section: Methodsmentioning

confidence: 99%

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Novel hazards of waterpipe tobacco and the benefits of stop smoking in men, a prospective cohort study

Kieu

Phan

Tran

et al. 2023

Sci Rep

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Waterpipe smoking is an emerging epidemic and a severe public health problem worldwide. Observational studies on the hazards of a specific new waterpipe tobacco product are timely needed. The objectives were to analyze how dangerous waterpipe tobacco smoking is on the causes of all mortality, including cancer, and how effective smoking cessation is for improving health. We analyzed the hazards of exclusive waterpipe smoking through a prospective cohort study in Northern Vietnam. We obtained exposure data on the smoking status of specific cigarette and waterpipe and smoking cessation histories from each study participant. The outcome includes deaths due to all causes. The cause of death for each case is determined based on medical records. HR (95%CI) was estimated using a Cox proportional-hazards–regression analysis for overall mortality and all cancers. The ever-cigarette smoking group as the reference group, the exclusive waterpipe smoking group had a statistical increase in the risk for overall mortality HR (95% CI): 1.63 (1.32, 2.00), and all cancers HR (95%CI): 1.67 (1.18, 2.38). The risk of death increased statistically in the group of waterpipe smoking over 20 years for overall mortality HR (95%CI): 1.82 (1.45, 2.29), and all cancers HR (95%CI): 1.91 (1.27, 2.88). After stopping smoking, the risk of death decreased steadily. The risk of death was reduced by 41% for overall mortality HR (95%CI): 0.59 (0.39, 0.89), and 74% for death from cancers HR (95%CI): 0.26 (0.08, 0.83) after ten years or longer of cessation. Life expectancy was shortened by more than six years for the group of exclusive waterpipe smokers compared to non-smokers. This study found new novel hazards of exclusive waterpipe tobacco smoking. The findings are scientific evidence for developing strategies, policies, and budget allocations to control this novel tobacco product and promote cessation to improve life expectancy.

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Section: Discussionsupporting

confidence: 94%

Section: Discussionsupporting

confidence: 92%

Section: Methodsmentioning

confidence: 99%

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Novel hazards of waterpipe tobacco and the benefits of stop smoking in men, a prospective cohort study

Kieu

Phan

Tran

et al. 2023

Sci Rep

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“…The semi-quantitative food frequency questionnaire (FFQ) was first designed in 2003 and updated in 2017 based on the results of a survey asking to record food consumption in the past 24 h for three consecutive days in 158 households (741 individuals) in 2003 and 298 households (1327 individuals) in 2017. Food selection for the FFQ from household survey results contributed up to 90% of essential nutrients converted from the natural organic whole food used by the participating households (Le et al ., 2018; Tran et al , 2021; Nguyen et al , 2022b).…”

Section: Methodsmentioning

confidence: 99%

Tryptophan intake and pancreatic cancer: findings from a case-control study

Luu,

Pham,

Yuan

et al. 2024

European Journal of Cancer Prevention

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Background Pancreatic cancer is a leading cause of cancer-related death worldwide. Tryptophan plays a vital role in cell growth and maintenance as a building block of protein and coordination of organismal responses to environmental and dietary cues. Animal model study showed that dietary tryptophan improved treatment response in those who received chemotherapy or immune checkpoint inhibitors. Limited data are available assessing the association between tryptophan intake and risk of pancreatic cancer. We aimed to evaluate this association in a case-control study in Vietnam. Methods We analyzed data from a case-control study, including 3759 cancer cases and 2995 control subjects of whom 37 with pancreatic cancer cases. Tryptophan intake was derived from food frequency questionnaire. Unconditional logistic regression was used to calculate odds ratios (ORs) and 95% confidence intervals (CIs) for different levels of tryptophan intake with pancreatic cancer risk. Results Overall, tryptophan intake was inversely associated with pancreatic cancer risk in a dose-dependent manner. The ORs and 95% CIs of pancreatic cancer were 0.51 (0.29–0.92) for continuous scale, 0.27 (0.10–0.73) for tertile 2 and 0.34 (0.11–1.06) for tertile 3, compared with tertile 1 (the lowest intake) (P trend = 0.02). In stratified analysis, this inverse association pattern was present among those with BMI < 23 kg/m2 and ever drinkers. Conclusion A diet with a higher intake of tryptophan was significantly associated with a lower incidence of pancreatic cancer among Vietnamese population. These suggest that dietary modification may be an effective strategy for primary prevention of pancreatic cancer development.

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“…[ 15 , 16 ] It has been linked to a number of different malignancies, including bladder, gastrointestinal, and lung cancer. [ 17 - 20 ] Tobacco smoke contains substances that can damage DNA, encourage cell growth, and prevent apoptosis, all of which can result in the growth of malignant cells. [ 21 ]…”

Section: Introductionmentioning

confidence: 99%

Association between smoking and colorectal cancer in Eastern Mediterranean Regional Office (EMRO): A systematic review and meta-analysis

Keivanlou,

Amini-Salehi,

Hassanipour

et al. 2023

Saudi Journal of Gastroenterology

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Background: Smoking poses a significant risk for colorectal cancer (CRC), considered the third leading reason for cancer-related deaths worldwide. However, there has been limited research on the relationship between smoking and CRC in the Eastern Mediterranean Regional Office (EMRO). Therefore, a meta-analysis was conducted to combine available data and gain a comprehensive understanding of the relationship between smoking and CRC in EMRO. Methods: Two independent researchers searched PubMed, Scopus, and Web of Science until December 2022. The included studies were checked for risk of bias administering the Newcastle-Ottawa scale. Heterogeneity was evaluated using I2 statistics and the Cochrane test. Publication bias was determined through funnel plot analysis and Egger’s regression test. Additionally, a meta-regression analysis explored the impact of a country’s Human Development Index (HDI) on the relationship between smoking and CRC. Results: The final analysis included 26 studies, revealing a significant association between smoking and CRC (OR = 1.40; 95% CI: 1.11 - 1.78; P = 0.004). Moreover, smoking had a more pronounced adverse effect on CRC in countries with higher HDIs compared to those with lower HDIs (OR = 1.30; 95% CI: 0.99 - 1.71; P = 0.054). Conclusions: Our findings underscore the importance of implementing smoking cessation programs and policies in EMRO countries, as they demonstrate a positive relationship between smoking and the risk of CRC. Furthermore, the results suggest that a country’s level of human development may influence the association between smoking and CRC. Further research is needed to investigate this potential connection and develop targeted public health interventions.

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Waterpipe Tobacco Smoking and Risk of Stomach Cancer: A Case-Control Study in Vietnamese Men

Cited by 4 publications

References 14 publications

Novel hazards of waterpipe tobacco and the benefits of stop smoking in men, a prospective cohort study

Novel hazards of waterpipe tobacco and the benefits of stop smoking in men, a prospective cohort study

Tryptophan intake and pancreatic cancer: findings from a case-control study

Association between smoking and colorectal cancer in Eastern Mediterranean Regional Office (EMRO): A systematic review and meta-analysis

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