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Association Between Body Mass Index and Functional Dyspepsia in Young Japanese People
Yasunori Yamamoto,Shinya Furukawa,Junichi Watanabe,Aki Kato,Katsunori Kusumoto,Eiji Takeshita,Yoshio Ikeda,Naofumi Yamamoto,Katsuhiko Kohara,Yuka Saeki,Yoichi Hiasa 대한소화기 기능성질환∙운동학회 2022 Journal of Neurogastroenterology and Motility (JNM Vol.28 No.2
Background/AimsEvidence regarding the association between body mass index (BMI) and functional dyspepsia (FD) in the Asian population is limited. Further, no study has evaluated this issue in young people in Asian and Western populations. Thus, we aim to investigate this issue among young Japanese people. MethodsThe study subjects comprised of 8923 Japanese university students. BMI was divided into 4 categories (quartiles) on the basis of the study subjects’ distribution (lowest, low, moderate, and high [reference]). The definition of lean, normal, overweight, and obese was BMI < 18.5 kg/m2, 18.5 ≤ BMI < 25 kg/m2 (reference), 25 kg/m2 ≤ BMI < 30 kg/m2, and 30 kg/m2 ≤ BMI, respectively. The definition of FD was based on the Rome III criteria. ResultsThe prevalence of FD was 1.9% in this cohort. The lowest BMI was independently associated with FD after adjustment (adjusted odds ratio [OR], 2.88; 95% confidence interval [CI], 1.46-3.67); P for trend = 0.001). The lowest BMI was independently associated with FD in women but not in men (OR, 2.94; 95% CI, 1.59-5.77; P for trend = 0.001). Leanness was independently associated with FD in total and in women but not in men (total: adjusted OR, 2.01; 95% CI, 1.40-2.86) and women (OR, 2.19; 95% CI, 1.35-3.45). However, interaction analysis showed no significant difference for sex. ConclusionsAmong young Japanese people, BMI may be independently inversely associated with FD. Leanness may be an independent associated factor for FD in the young Japanese women.
Yasunori Yamamoto,Shinya Furukawa,Junichi Watanabe,Aki Kato,Katsunori Kusumoto,Teruki Miyake,Eiji Takeshita,Yoshio Ikeda,Naofumi Yamamoto,Katsuhiko Kohara,Syuichi Saheki,Yuka Saeki,Yoichi Hiasa 대한소화기 기능성질환·운동학회 2022 Journal of Neurogastroenterology and Motility (JNM Vol.28 No.3
Background/AimsFunctional dyspepsia (FD) may be a common digestive disease worldwide and reduces the quality of life of patients. However, only a few studies have investigated the association between eating behavior and FD. The purpose of this cross-sectional study is to examine the association between eating behavior and prevalence of FD in a young Japanese cohort. MethodsIn this study, we enrolled 8923 Japanese university students. FD is diagnosed based on the Rome III criteria. Eating habits and frequency of meals were investigated using a self-administered questionnaire. ResultsThe FD subjects had a younger mean age, a lower body mass index, and a lower proportion of men compared to the non-FD subjects. An independent positive association between skipping breakfast and/or lunch and FD was found (adjusted ORs were 1.60 [95% CI, 1.10-2.32] for breakfast and 2.52 [95% CI, 1.04-5.18] for lunch). Skipping dinner, extra meals (snacks) or midnight snacks was not associated with FD. The prevalence of FD in subjects eating 1, 2, and 3 meals per day was 4.8%, 2.2%, and 1.7%, respectively. The frequency of meals was independently inversely associated with prevalence of FD (adjusted ORs were 1 per day: 2.72 [95% CI, 1.19-5.42], and 2 per day: 1.69 [95% CI, 1.16-2.43], P for trend = 0.001). ConclusionsIn the young Japanese people, the frequency of meals may be independently inversely associated with prevalence of FD. In particular, skipping breakfast and/or lunch was associated with the prevalence of FD.
AEGIS: AN ADVANCED LATTICE PHYSICS CODE FOR LIGHT WATER REACTOR ANALYSES
Yamamoto, Akio,Endo, Tomohiro,Tabuchi, Masato,Sugimura, Naoki,Ushio, Tadashi,Mori, Masaaki,Tatsumi, Masahiro,Ohoka, Yasunori Korean Nuclear Society 2010 Nuclear Engineering and Technology Vol.42 No.5
AEGIS is a lattice physics code incorporating the latest advances in lattice physics computation, innovative calculation models and efficient numerical algorithms and is mainly used for light water reactor analyses. Though the primary objective of the AEGIS code is the preparation of a cross section set for SCOPE2 that is a three-dimensional pin-by-pin core analysis code, the AEGIS code can handle not only a fuel assembly but also multi-assemblies and a whole core geometry in two-dimensional geometry. The present paper summarizes the major calculation models and part of the verification/validation efforts related to the AEGIS code.
AEGIS: AN ADVANCED LATTICE PHYSICS CODE FOR LIGHTWATER REACTOR ANALYSES
AKIO YAMAMOTO,TOMOHIRO ENDO,MASATO TABUCHI,NAOKI SUGIMURA,TADASHI USHIO,MASAAKI MORI,MASAHIRO TATSUMI,YASUNORI OHOKA 한국원자력학회 2010 Nuclear Engineering and Technology Vol.42 No.5
AEGIS is a lattice physics code incorporating the latest advances in lattice physics computation, innovative calculationmodels and efficient numerical algorithms and is mainly used for light water reactor analyses. Though the primary objectiveof the AEGIS code is the preparation of a cross section set for SCOPE2 that is a three-dimensional pin-by-pin core analysiscode, the AEGIS code can handle not only a fuel assembly but also multi-assemblies and a whole core geometry in two-dimensional geometry. The present paper summarizes the major calculation models and part of the verification/validationefforts related to the AEGIS code.
Effects of Val-Pro-Pro and Ile-Pro-Pro on Nondipper Patients: A Preliminary Study
Mari Takahashi Kurosawa,Yasunori Nakamura,Naoyuki Yamamoto,Kazuhisa Yamada,Toshiro Iketani 한국식품영양과학회 2011 Journal of medicinal food Vol.14 No.5
Much clinical evidence on the antihypertensive effects of the milk-derived antihypertensive peptides Val-Pro-Pro and Ile-Pro-Pro (lactotripeptides) has been reported. However, circadian rhythm effects determined by ambulatory blood pressure monitoring (ABPM) to eliminate the confounding influence of the white-coat effect have not been fully studied. Twelve hypertensive patients not receiving antihypertensive medication (2 men, 10 women; mean age±standard deviation, 63.5±8.3 years) who had been visiting our clinic for more than 1 year participated in this study. Mean (±standard deviation) systolic blood pressure (SBP) and diastolic blood pressure (DBP) were 142.4±2.6 and 83.5±6.4 mm Hg, respectively, at the first office visit. After patients ingested a fermented milk product containing antihypertensive peptides (2.53 mg Val-Pro-Pro; 1.52 mg Ile-Pro-Pro) for more than 4 weeks, both office SBP and DBP were significantly reduced to a mean (±standard deviation) of 133.3±7.0 mm Hg and 76.5±8.4 mm Hg (P<.001 and P<.005 by paired t-test), respectively. The 24-hour SBP and DBP determined by ABPM were reduced from 127.3±2.4 and 78.7±2.3 mm Hg to 120.2±2.4 and 75.0±2.2 mm Hg (P<.001 and P<.05), respectively. Awake-time SBP (08:00–21:00), night-time SBP (0:00–05:00), and early-morning SBP (06:00–07:00) were reduced from 130.9±2.4 to 123.3±2.3 mm Hg, 118.7±2.9 to 113.2±3.4 mm Hg, and 132.8±4.3 to 122.4±3.9 mm Hg (by paired t-test: P<.001, P<.05, and P<.05), respectively. As seen with DBP measured by ABPM, 24-hour DBP and awake-time DBP were significantly reduced from 78.7±2.3 to 75.0±2.2 mm Hg and 82.1±2.5 to 77.3±2.2 mm Hg (P<.05 and P<.01), respectively. Office BP and 24-hour blood pressure did not significantly differ between the dipper and nondipper groups at baseline. However, after treatment, night-time and early-morning blood pressure were significantly reduced from baseline in the nondipper group (−8.5±2.5 and −15.6±3.7 mm Hg; P<.05 and P<.01, respectively) but not in the dipper group (−2.5±3.6 and −1.2±4.7 mm Hg; P not significant), and the reduction in early-morning blood pressure significantly differed between the groups (P<.05). These results suggest that Val-Pro-Pro and Ile-Pro-Pro decrease blood pressure in patients with stage I hypertension and result not only in lower blood pressure at night-time but also in lower early-morning SBP in nondipper patients.
Choosing preferable labels for the Japanese translation of the Human Phenotype Ontology
Ninomiya, Kota,Takatsuki, Terue,Kushida, Tatsuya,Yamamoto, Yasunori,Ogishima, Soichi Korea Genome Organization 2020 Genomics & informatics Vol.18 No.2
The Human Phenotype Ontology (HPO) is the de facto standard ontology to describe human phenotypes in detail, and it is actively used, particularly in the field of rare disease diagnoses. For clinicians who are not fluent in English, the HPO has been translated into many languages, and there have been four initiatives to develop Japanese translations. At the Biomedical Linked Annotation Hackathon 6 (BLAH6), a rule-based approach was attempted to determine the preferable Japanese translation for each HPO term among the candidates developed by the four approaches. The relationship between the HPO and Mammalian Phenotype translations was also investigated, with the eventual goal of harmonizing the two translations to facilitate phenotype-based comparisons of species in Japanese through cross-species phenotype matching. In order to deal with the increase in the number of HPO terms and the need for manual curation, it would be useful to have a dictionary containing word-by-word correspondences and fixed translation phrases for English word order. These considerations seem applicable to HPO localization into other languages.