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10 0 0 0 OA Association between meat, fish, and fatty acid intake and incidence of acute myeloid leukemia and myelodysplastic syndrome: the Japan Public Health Center-based Prospective Study

著者: Yoshimitsu Shimomura Tomotaka Sobue Ling Zha Tetsuhisa Kitamura Motoki Iwasaki Manami Inoue Taiki Yamaji Shoichiro Tsugane Norie Sawada
出版者: The Japanese Society for Hygiene
雑誌: Environmental Health and Preventive Medicine (ISSN:1342078X)
巻号頁・発行日: vol.28, pp.19, 2023 (Released:2023-03-07)
参考文献数: 47
被引用文献数: 1

Background: The association between meat, fish, or fatty acid intake and acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS) has been investigated in a few studies, and the results were inconsistent. In addition, most studies are mainly based on the United States and European countries, in which the dietary patterns differ from that in Asia. Therefore, the risk of AML/MDS from meat, fish, or fatty acid intake in Asia requires further exploration. The aim of this study was to investigate the association between AML/MDS incidence and meat, fish, or fatty acid intake using the Japan Public Health Center–based prospective study.Methods: The present study included 93,366 participants who were eligible for analysis and followed up from the 5-year survey date until December 2012. We estimated the impact of their intake on AML/MDS incidence using a Cox proportional hazards model.Results: The study participants were followed up for 1,345,002 person-years. During the follow-up period, we identified 67 AML and 49 MDS cases. An increased intake of processed red meat was significantly associated with the incidence of AML/MDS, with a hazard ratio of 1.63 (95% confidence interval, 1.03–2.57) for the highest versus lowest tertile and a Ptrend of 0.04. Meanwhile, the intake of other foods and fatty acids was not associated with AML/MDS.Conclusion: In this Japanese population, processed red meat was associated with an increased incidence of AML/MDS.

2023-05-24 22:41:16
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9 0 0 0 OA Impact of Coronavirus Disease 2019 (COVID-19) Outbreak on Emergency Patients Hospitalized With Cardiocerebrovascular Diseases in Osaka Prefecture, Japan ― A Population-Based Study ―

著者: Kenta Tanaka Yusuke Katayama Tetsuhisa Kitamura Hisaya Dohmi Jun Masui Tomoya Hirose Shunichiro Nakao Jotaro Tachino Ling Zha Tomotaka Sobue Jun Oda Tetsuya Matsuoka
出版者: The Japanese Circulation Society
雑誌: Circulation Journal (ISSN:13469843)
巻号頁・発行日: pp.CJ-23-0298, (Released:2023-08-01)
参考文献数: 11

Background: Little is known about the transport and outcomes of emergency patients with cardiocerebrovascular diseases in Japan before and during the COVID-19 pandemic.Methods and Results: Data were extracted from a population-based registry in Osaka, Japan, from 2019 to 2021. There were almost no differences in the numbers of emergency patients hospitalized with myocardial infarction, stroke, or heart failure or their deaths. However, the number of cases of difficulty obtaining patient acceptance by hospitals increased in 2020 and 2021 compared with 2019.Conclusions: The numbers of emergency patients hospitalized with cardiocerebrovascular diseases and their deaths in Osaka were not affected by the COVID-19 epidemic.

2023-08-26 04:12:32
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3 0 0 0 OA Adult height and risk of colorectal cancer: a pooled analysis of ten population-based cohort studies in Japan

著者: Rachana Manandhar Shrestha Tetsuya Mizoue Zobida Islam Yukino Kawakatsu Hidemi Ito Keiko Wada Chisato Nagata Ling Zha Tetsuhisa Kitamura Ritsu Sakata Takashi Kimura Yumi Sugawara Ichiro Tsuji Ren Sato Norie Sawada Shoichiro Tsugane Yingsong Lin Isao Oze Sarah Krull Abe Manami Inoue
出版者: Japan Epidemiological Association
雑誌: Journal of Epidemiology (ISSN:09175040)
巻号頁・発行日: pp.JE20220289, (Released:2023-02-25)
参考文献数: 39

Background: While tall stature has been linked to an increase in the risk of colorectal cancer (CRC), its association with cancer in the colorectum and its subsites remains unclear among Asians.Methods: We conducted a pooled analysis of ten population-based cohort studies among adults in Japan. Each study estimated hazard ratios (HRs) and 95% confidence intervals (CIs) for CRC incidence associated with adult height were estimated using Cox proportional hazards regression with adjustment of the same set of covariates were then pooled to estimate summary HRs incidence using random-effect models.Results: We identified 9,470 CRC incidences among 390,063 participants during 5,672,930 person-years of follow-up. Men and women with tall stature had a higher risk of CRC and colon cancer. HRs (95% CI) for CRC, colon cancer, and distal colon cancer (DCC) for the highest versus lowest height categories were 1.23 (1.07–1.40), 1.22 (1.09–1.36), and 1.27 (1.08–1.49), respectively, in men and 1.21 (1.09–1.35), 1.23 (1.08–1.40), and 1.35 (1.003–1.81), respectively, in women. The association with proximal colon cancer (PCC) and rectal cancer was less evident in both sexes.Conclusions: This pooled analysis confirms the link between tall stature and a higher risk of CRC and colon cancer (especially distal colon) among the Japanese and adds evidence to support the use of adult height to identify those at a higher risk of CRC.

2023-07-03 14:59:03
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3 0 0 0 OA Effectiveness of Screening Using Fecal Occult Blood Testing and Colonoscopy on the Risk of Colorectal Cancer: The Japan Public Health Center-based Prospective Study

著者: Kenta Tanaka Tomotaka Sobue Ling Zha Tetsuhisa Kitamura Norie Sawada Motoki Iwasaki Manami Inoue Taiki Yamaji Shoichiro Tsugane
出版者: Japan Epidemiological Association
雑誌: Journal of Epidemiology (ISSN:09175040)
巻号頁・発行日: vol.33, no.2, pp.91-100, 2023-02-05 (Released:2023-02-05)
参考文献数: 28
被引用文献数: 2

Background: Few cohort studies have used multiple surveys of screening attendance to simultaneously evaluate the effectiveness of fecal occult blood test (FOBT) and colonoscopy.Methods: We analyzed data of 30,381 middle-aged Japanese adults from a population-based prospective cohort study. Information on FOBT and colonoscopy was obtained from three questionnaire surveys (every 5 years). We classified the subjects into three groups: the FOBT (15,649 subjects), screening colonoscopy (2,407 subjects), and unscreened (12,325 subjects) groups. We used the unscreened group as the reference group to compare the mortality and incidence of colorectal cancer (CRC).Results: During the 14-year follow-up, 64, 12, and 104 CRC deaths were identified in the FOBT, screening colonoscopy, and unscreened groups, respectively. The risk of CRC death reduced with increasing the number of FOBTs (P for trend = 0.02) and was reduced by 44% in the subjects screened twice or thrice using FOBT (hazard ratio [HR] 0.56; 95% confidence interval [CI], 0.33–0.94). Significant decreases were seen for the incidence of CRC but not seen for the incidence of non-advanced CRC in the FOBT group. Concerning the screening colonoscopy, subjects screened at the start of follow-up showed a 69% reduced risk of CRC death (HR 0.31; 95% CI, 0.10–0.9996). Significant decreases were also seen for the incidence of CRC and non-advanced CRC in the subjects screened at the start of follow-up.Conclusion: FOBT, depending on the number of FOBTs, and colonoscopy, depending on recency, reduced the risk of death due to CRC and the incidence of CRC.

2023-02-08 12:09:08
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2 0 0 0 OA Cigarette smoking, smoking cessation and bladder cancer risk: A pooled analysis of ten cohort studies in Japan

著者: Hiroyuki Masaoka Keitaro Matsuo Isao Oze Takashi Kimura Akiko Tamakoshi Yumi Sugawara Ichiro Tsuji Norie Sawada Shoichiro Tsugane Hidemi Ito Keiko Wada Chisato Nagata Tetsuhisa Kitamura Ling Zha Ritsu Sakata Kotaro Ozasa Yingsong Lin Tetsuya Mizoue Keitaro Tanaka Sarah Krull Abe Manami Inoue
出版者: Japan Epidemiological Association
雑誌: Journal of Epidemiology (ISSN:09175040)
巻号頁・発行日: pp.JE20220085, (Released:2022-10-29)
参考文献数: 29
被引用文献数: 3

Background: Although cigarette smoking is an established risk factor for bladder cancer, assessment of smoking impact on bladder cancer in Asian populations has been hindered by few cohort studies conducted in Asian populations. We therefore investigated the risk of bladder cancer associated with smoking status, cumulative smoking intensity and smoking cessation in Japan.Methods: We analyzed data for 157,295 men and 183,202 women in ten population-based cohort studies in Japan. The risk associated with smoking behaviors was estimated using Cox regression models within each study, and pooled hazard ratios (HR) and their 95% confidence intervals (CI) for the incidence of bladder cancer were calculated.Results: During 4,729,073 person-years of follow up, 936 men and 325 women developed bladder cancer. In men, former smokers (HR 1.47; 95% CI, 1.18-1.82) and current smokers (HR 1.96; 95% CI, 1.62-2.38) had higher risk than never smokers. In women, current smokers had higher risk than never smokers (HR 2.35; 95% CI, 1.67-3.32). HRs in men linearly increased with increasing pack-years. Risk decreased with increasing years of smoking cessation in men with a significant dose-response trend. Former smokers with a duration of more than 10 years after smoking cessation had no significantly increased risk compared with never smokers (HR 1.26; 95% CI, 0.97-1.63).Conclusions: Data from a pooled analysis of ten population-based cohort studies in Japan clearly show an association between cigarette smoking and bladder cancer risk. The risk of smokers may approximate that of never smokers following cessation for many years.

2022-12-03 21:07:04
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1 0 0 0 OA Cigarette Smoking, Smoking Cessation, and Bladder Cancer Risk: A Pooled Analysis of 10 Cohort Studies in Japan

著者: Hiroyuki Masaoka Keitaro Matsuo Isao Oze Takashi Kimura Akiko Tamakoshi Yumi Sugawara Ichiro Tsuji Norie Sawada Shoichiro Tsugane Hidemi Ito Keiko Wada Chisato Nagata Tetsuhisa Kitamura Ling Zha Ritsu Sakata Kotaro Ozasa Yingsong Lin Tetsuya Mizoue Keitaro Tanaka Sarah Krull Abe Manami Inoue
出版者: Japan Epidemiological Association
雑誌: Journal of Epidemiology (ISSN:09175040)
巻号頁・発行日: vol.33, no.11, pp.582-588, 2023-11-05 (Released:2023-11-05)
参考文献数: 29
被引用文献数: 3

Background: Although cigarette smoking is an established risk factor for bladder cancer, assessment of smoking impact on bladder cancer in Asian populations has been hindered by few cohort studies conducted in Asian populations. Therefore, we investigated the risk of bladder cancer associated with smoking status, cumulative smoking intensity, and smoking cessation in Japan.Methods: We analyzed data for 157,295 men and 183,202 women in 10 population-based cohort studies in Japan. The risk associated with smoking behaviors was estimated using Cox regression models within each study, and pooled hazard ratios (HRs) and their 95% confidence intervals (CIs) for the incidence of bladder cancer were calculated.Results: During 4,729,073 person-years of follow-up, 936 men and 325 women developed bladder cancer. In men, former smokers (HR 1.47; 95% CI, 1.18–1.82) and current smokers (HR 1.96; 95% CI, 1.62–2.38) had higher risk than never smokers. In women, current smokers had higher risk than never smokers (HR 2.35; 95% CI, 1.67–3.32). HRs in men linearly increased with increasing pack-years. Risk decreased with increasing years of smoking cessation in men, with a significant dose-response trend. Former smokers with a duration of more than 10 years after smoking cessation had no significantly increased risk compared with never smokers (HR 1.26; 95% CI, 0.97–1.63).Conclusion: Data from a pooled analysis of 10 population-based cohort studies in Japan clearly show an association between cigarette smoking and bladder cancer risk. The risk of smokers may approximate that of never smokers following cessation for many years.

2024-01-07 21:00:12
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1 0 0 0 OA Dietary Consumption of Antioxidant Vitamins in Relation to Prostate Cancer Risk in Japanese Men: The Japan Public Health Center-Based Prospective Study

著者: Sanyu Ge Ling Zha Tomotaka Sobue Tetsuhisa Kitamura Junko Ishihara Motoki Iwasaki Manami Inoue Taiki Yamaji Shoichiro Tsugane Norie Sawada
出版者: Japan Epidemiological Association
雑誌: Journal of Epidemiology (ISSN:09175040)
巻号頁・発行日: pp.JE20220235, (Released:2023-05-06)
参考文献数: 41
被引用文献数: 1

Background: Many epidemiological studies have investigated dietary intake of antioxidant vitamins in relation to prostate cancer risk in Western countries, but the results are inconsistent. However, few studies have reported this relationship in Asian countries.Methods: We investigated the association between intake of vitamins, including lycopene, α-carotene, β-carotene, vitamin C, vitamin E, with prostate cancer risk in the Japan Public Health Center-based Prospective (JPHC) study. 40,720 men without history of cancer finished the food frequency questionnaire (FFQ) and were included in the study. Hazard ratios (HRs) and 95% confidence intervals (CIs) of prostate cancer risk were calculated according to the quintiles of energy-adjusted intake of vitamins using Cox models.Results: After an average of 15.2 years (617,599 person-years in total) of follow-up, 1,386 cases of prostate cancer were identified, including 944 localized cases and 340 advanced cases. No associations were observed in consumption of antioxidant vitamins, including α-carotene, β-carotene, vitamin C, and vitamin E, and prostate cancer risk. Although higher lycopene intake was associated with increased risk of prostate cancer (HR for the highest versus the lowest, 1.24; 95% CI, 1.04–1.47; P for trend=0.01), there was a null association of lycopene intake with risk of prostate cancer detected by subjective symptoms (HR, 1.12; 95% CI, 0.79–1.58; P for trend=0.11).Conclusions: Our study suggested no association between antioxidant intake of vitamins and prostate cancer risk.

2023-05-15 13:14:03
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