Trends in dietary fiber intake in Japan over the last century

Nakaji, Shigeyuki; Sugawara, Kazuo; Saito, Dausuke; Yoshioka, Yoshio; MacAuley, Domhnall; Bradley, Terry; Kernohan, George; Baxter, G. David

doi:10.1007/s00394-002-0379-x

Cited by 72 publications

(43 citation statements)

References 30 publications

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“…However, there are few reports on DF intake patterns (Ohta et al, 1985;Ohta, 1987;Nakaji et al, 1993aNakaji et al, , b, 1997Nakaji et al, , 2002. From these reports, major contributors to total DF intake were vegetables, barley, wheat, pulses and rice in the overall Japanese population (Nakaji et al, 1993a(Nakaji et al, , b, 1997, however further statistical analysis were not performed.…”

Section: Discussionmentioning

confidence: 99%

“…The dietary fiber (DF) intake in Japan and Western countries is decreasing concomitantly with the increase of DFassociated diseases such as colon cancer, colon diverticulosis, obesity and so on (Burkitt, 1971;Ohta et al, 1985;Ohta, 1987;Nakaji et al, 1997Nakaji et al, , 2002, which is presenting a problem in the overall promotion of health in the general population today. Therefore, an increased DF intake would be very beneficial and many countries have their recommended levels of DF intake, for example 25-35 g/day by the USA FDA (Life Sciences Research Office, 1987), and 20-25 g/day by the Ministry of Health, Labor and Welfare in Japan (Ministry of Health, Welfare and Labor, 1994).…”

Section: Introductionmentioning

confidence: 99%

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Pattern of dietary fiber intake among the Japanese general population

et al. 2006

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Objectives: To evaluate the dietary fiber (DF) intake pattern among the Japanese general population. Design: We performed a dietary survey among the general population in northern Japan to evaluate the intake patterns. DF intake was calculated by substituting the DF content of each food in the Dietary Fiber Table for the intake of each food from this dietary survey. Subjects: Five hundred and seventy-seven subjects participated in the study, 198 men and 379 women. Results: In subjects with higher DF intakes the origins of the DF that were from all food groups, but with the notable exception of rice. The contribution of the seaweed group was of particular interest. From multiple regression analysis, as for food group, seaweeds showed the highest positive correlation with DF intake in both genders, followed by vegetables, pulses, fruits. On the other hand, rice showed the negative correlation with DF intake in both genders. As for life factor, body mass index showed the negative correlation with DF intake in women. Conclusion: Seaweed, a typical Japanese food, was most related to the increase in DF intake for the Japanese general population, whereas rice, the Japanese staple, had a small influence on decreased DF intake.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Pattern of dietary fiber intake among the Japanese general population

et al. 2006

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“…In particular, the prevalence of colonic diverticulum is increasing. The aging population in Japan, as in Western countries, is showing an increase in diverticulosis [4,5] . DH is also increasing in Japan.…”

Section: Introductionmentioning

confidence: 99%

Increase in colonic diverticular hemorrhage and confounding factors

Kinjo¹,

Matsui²,

Hisabe³

et al. 2016

WJGPT

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AIM:To classify changes over time in causes of lower gastrointestinal bleeding (LGIB) and to identify factors associated with changes in the incidence and characteristics of diverticular hemorrhage (DH). METHODS:A total of 1803 patients underwent colonoscopy for overt LGIB at our hospital from 1995 to 2013. Patients were divided into an early group (EG, 1995(EG, -2006 n = 828) and a late group (LG, 2007(LG, -2013 Author contributions: Kinjo K collected and analyzed the data, and drafted the manuscript; Matsui T designed and supervised the study; Washio M performed the statistical analysisl; Hisabe T, Ishihara H, Maki S, Chuman K, Koga A, Ohtsu K, Takatsu N, Hirai F and Yao K performed the colonoscopy and revised the manuscript for important intellectual content; all authors have read and approved the final version to be published.Institutional review board statement: This study was approved by the institutional review board of Fukuoka University Chikushi Hospital (R15-024) and was conducted in accordance with the Declaration of Helsinki.Informed consent statement: In this study, We do not necessarily need the individual agreement from a study subject. Because this study is retrospective study and based on the ethical guidelines for medical studies intended for people "taken from the human body undergoes No. 12 informed consent procedures was used samples not research". Information about the implementation of this research exposes to Fukuoka University Chikushi Hospital clinical research support Center home page. Conflict-of-interest statement:In connection with this manuscript, there is no Conflict of Interest to be disclosed with any companies.Data sharing statement: Technical appendix, statistical code, and dataset available from the corresponding author at matsui@ fukuoka-u.ac.jp. Participants gave informed consent was not obtained but the presented data are anonymized and risk of identification is low. Retrospective Studybetween patients with and without DH. RESULTS:Older patients (≥ 70 years old) and those with colonic DH were more frequent in LG than in EG (P < 0.01). Patients using ATDs as well as NSAIDs, male sex, obesity (body mass index ≥ 25 kg/m 2 ), smoking, alcohol drinking, and arteriosclerotic diseases were more frequent in patients with DH than in those without. CONCLUSION:Incidence of colonic DH seems to increase with aging of the population, and factors involved include use of ATDs and NSAIDs, male sex, obesity, smoking, alcohol drinking, and arteriosclerotic disease. These factors are of value in handling DH patients. Core tip: Colonic diverticular hemorrhage (DH) is the most frequent cause of lower gastrointestinal bleeding. A rapid increase in the incidence of colonic DH has been seen with the aging population. One reason is the widespread adoption of antithrombotic drugs (ATDs) since the early 2000s, based on guidelines to prevent ischemic heart disease and ischemic cerebrovascular disease. DH is more likely in patients who are older, are men, obesity, use nonsteroidal anti-inf...

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“…In Western countries, the disease usually affects the left side of the colon [3], whereas in Eastern countries, diverticulosis is more common in the right hemicolon [4]. The overall prevalence of colonic diverticulosis has increased in Japan, probably caused by the shift to the westernized low-fiber diets [5]. …”

Section: Introductionmentioning

confidence: 99%

Risk Factors for Colonic Diverticular Hemorrhage: Japanese Multicenter Study

et al. 2012

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Background and Aim: Diverticular hemorrhage is the common cause of lower gastrointestinal bleeding, and its incidence has been increasing in Japan. However, the exact cause of diverticular hemorrhage is not well understood. We investigated the risk factors for diverticular hemorrhage. Methods: We selected 103 patients with diverticular hemorrhage as cases and patients with colonic diverticulosis without a history of bleeding were selected as control subjects, exactly matched for age and gender. We collected the data from the medical records of each of the patients, such as those related to the comorbidities, medications and findings of colonoscopy, and conducted a matched case-control study to analyze the risk factors for diverticular hemorrhage. Results: Both groups were composed of 75 men and 28 women. The median age of the patients in both groups was 72.0 years (47.0–87.0). The body weight (p = 0.0065), body mass index (p = 0.006), prevalence of hypertension (p = 0.0242), prevalence of ischemic heart disease (p = 0.0015), and frequency of use of low-dose aspirin (p = 0.042) were significantly different between the two groups. The percentage of patients with bilateral diverticula, that is, diverticula on both the right and left hemicolon, was significantly higher in the diverticular hemorrhage group (p = 0.0011). Multiple regression analysis identified only the diverticular location as being significantly associated with the risk of diverticular hemorrhage (p = 0.0021). Conclusions: Only the diverticular location (bilateral) was found to be an independent risk factor for diverticular hemorrhage.

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Trends in dietary fiber intake in Japan over the last century

Abstract: A decline in total DF intake and DF density is predicted for Japan in the future, because these parameters were lower among the younger generation. This may be due to the marked changes in the dietary habits of the younger generation, and is a problematic trend for Japanese health.

Cited by 72 publications

References 30 publications

Pattern of dietary fiber intake among the Japanese general population

Pattern of dietary fiber intake among the Japanese general population

Increase in colonic diverticular hemorrhage and confounding factors

Risk Factors for Colonic Diverticular Hemorrhage: Japanese Multicenter Study

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