We aimed to clarify actual food and nutrient intakes in Japanese patients with dyslipidemia. We also compared food and nutrient intakes between patients with and without low-density lipoprotein cholesterol (LDL-C) lowering drug therapy. Methods: Food and nutrient intakes were assessed employing 3-day weighted dietary records in this cross-sectional study of 104 Japanese outpatients with dyslipidemia, age 30-65 years, not given dietary counseling. Anthropometric and biochemical parameters were measured after an overnight fast. Food and nutrient intakes were compared between patients with versus without LDL-C lowering drug prescriptions. Stepwise multiple regression analysis was performed to identify relationships between the serum LDL-C concentrations and food intakes. Results: Of the 104 patients, 43.3% were prescribed LDL-C lowering drugs, primarily statins. Of the total patients, 83% had lipid intakes over 25% of total energy consumption (%E), exceeding the recommendation for dyslipidemia by the Japan Atherosclerosis Society. Similarly, 77% had saturated fatty acid intakes over 7%E, and 88% had cholesterol intakes over 200 mg per day. Dietary fiber consumption was low (25 g) in 97% of patients. Those taking LDL-C lowering drugs consumed less "meat, poultry and processed meat products" and "cereals", and more "fish", "fruits" and "nuts", than patients not taking these drugs (p 0.05). Food intakes correlating with LDL-C concentrations independently of drug therapy differed between patients taking versus not taking these medications. Conclusion: Our results support the necessity of diet therapy for patients with dyslipidemia regardless of whether LDL-C lowering drugs are prescribed. The clinical trial registration number: UMIN000022955 cardiovascular disease (ASCVD) and its treatment is of great public health and clinical importance. For primary prevention of ASCVD, lifestyle modifications,
Aim: The Japan Diet (JD) recommended by the Japan Atherosclerosis Society based on the traditional Japanese diet is presumably favorable for preventing atherosclerotic cardiovascular diseases, but few high-quality controlled clinical trials have examined its benefits as compared with other diets. We studied effects of nutrition education for JD intake as compared with partial JD (PJD) intake on serum lipids and inflammatory parameters in subjects with dyslipidemia. Methods: A randomized parallel controlled clinical trial was conducted on outpatients with dyslipidemia. Participants were randomly divided into the JD or the PJD group. Face-to-face nutrition education based on each diet at baseline and at 3 months, as well as monthly counseling by mail during the intervening 3-month period, were provided and participants practiced up to 6 months. Both groups were advised to reduce consumptions of animal fat/ fatty meat/poultry, confections, and alcoholic drinks. Additionally, the JD group participants were recommended to consume more fish, soybean products especially natto, vegetables, and seaweed/mushrooms/konjak, and to switch from refined to unrefined cereals or barley. Results: Mean LDL-cholesterol was 125 +/- 29 mg/dL at baseline, and the JD group ( n =49) showed a greater mean LDL-cholesterol decrease than the PJD group ( n =49) [- 8 mg/dL in JD vs 1 mg/dL in PJD, difference, -9 mg/dL (95%CI, -17 to 0) p =0.043)], and triglyceride ( p =0.023) and insulin ( p =0.033) reductions were larger in the JD group than in the PJD group at 6 months. Conclusion: Nutrition education for JD intake was suggested to improve serum lipid and metabolic parameters in patients with dyslipidemia.
Aim:We investigated changes in serum phospholipid fatty acid compositions with intake of the Japan Diet (JD) (higher consumption of fish, soybeans, vegetables, seaweed/mushrooms/konjak, and unrefined cereals with reduced consumption of animal fat, meat and poultry with fat, sweets and alcoholic drinks) recommended by the Japan Atherosclerosis Society.Methods: A randomized parallel controlled clinical trial on JD intake was conducted on Japanese patients with dyslipidemia. Nutrition education, based on the JD or partial JD (PJD) at baseline and at 3 months, was provided and the participants were followed up for 6 months. Fatty acids comprising serum phospholipids were measured in the JD (n=44) and PJD (n=44) groups.Results: Fatty acid intakes of C20:4, C20:5 and C22:6 increased in the JD group as compared with the PJD group. The percentages of serum phospholipid, C22:1 and C20:5 increased, while those of C18:1, C20:3(n-6) and C20:4(n-6) decreased in the JD as compared with the PJD group at 3 months. Changes in the phospholipid concentrations of C20:5, C22:5 and C22:6 reflected those intake volumes. Serum phospholipid C20:5 and C22:6 showed inverse correlations with C18:1, C18:2, and C20:3(n-6) at baseline and the changes at 3 and 6 months. In contrast, no correlation was observed between C20:4(n-6) and those n-3 fatty acids. The ratios of fatty acid concentrations, C16:1/C16:0 and C18:1/C18:0, decreased, but the ratio of C20:4(n-6)/C20:3(n-6) increased in the JD group. Conclusion:Nutrition education on the JD changed serum phospholipid fatty acid profiles in favor to prevent against cardiovascular risk factors in patients with dyslipidemia.
Non-alcoholic fatty liver disease is a growing health problem, and rapid diet assessment is required for personal nutrition education. This pilot study aimed to clarify associations between current food intake patterns identified from the short food frequency questionnaire (FFQ) and metabolic parameters, including liver function. We conducted a cross-sectional study on Japanese non-alcoholic residents of Tokyo and surrounding districts, 20 to 49 years of age. Anthropometric measurements, fasting blood samples, three-day dietary records, and FFQ with 21 items were collected. In all 198 participants, the proportions with obesity were 21% in men and 6% in women. Hypertriglyceridemia was significant only in men, affecting 26%. The traditional Japanese (TJ) pattern (greater intakes of green and yellow vegetables, other vegetables, seaweed/mushrooms/konjac, dairy, fruits, fish, salty, and soybeans/soy products) and the Westernized pattern (greater intakes of saturated-fat-rich foods, oily, egg/fish-eggs/liver, and sweets) were identified. The TJ pattern score showed an inverse relationship with body mass index, triglyceride, alkaline-phosphatase, leucine-aminopeptidase, and fatty liver index. The TJ pattern identified from the short FFQ was suggested to be associated with body fat storage. Further large-scale studies are needed to clarify the associations between this dietary pattern and metabolic parameters, including liver function.
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