Fish, Long-Chain n-3 PUFA and Incidence of Elevated Blood Pressure: A Meta-Analysis of Prospective Cohort Studies

Yang, Bo; Shi, Mei-qi; Li, Duo; Yang, Jianjun

doi:10.3390/nu8010058

Cited by 56 publications

(39 citation statements)

References 48 publications

(85 reference statements)

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“…According to a recent meta-analysis of prospective cohort studies in adult populations higher circulating DHA levels may prevent from elevated blood pressure [69]. In agreement with this, our data point to an inverse association of DHA with SBP in thin/normal weight children at baseline though the effect estimate did not reach statistical significance.…”

Section: Discussionsupporting

confidence: 83%

Associations of Whole Blood n-3 and n-6 Polyunsaturated Fatty Acids with Blood Pressure in Children and Adolescents – Results from the IDEFICS/I.Family Cohort

et al. 2016

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BackgroundPolyunsaturated n-3 and n-6 polyunsaturated fatty acids (PUFA) are precursors of biologically active metabolites that affect blood pressure (BP) regulation. This study investigated the association of n-3 and n-6 PUFA and BP in children and adolescents.MethodsIn a subsample of 1267 children aged 2–9 years at baseline of the European IDEFICS (Identification and prevention of dietary- and lifestyle-induced health effects in children and infants) cohort whole blood fatty acids were measured by a validated gas chromatographic method. Systolic and diastolic BP was measured at baseline and after two and six years. Mixed-effects models were used to assess the associations between fatty acids at baseline and BP z-scores over time adjusting for relevant covariables. Models were further estimated stratified by sex and weight status.ResultsThe baseline level of arachidonic acid was positively associated with subsequent systolic BP (β = 0.08, P = 0.002) and diastolic BP (β = 0.07, P<0.001). In thin/normal weight children, baseline alpha-linolenic (β = -1.13, P = 0.003) and eicosapentaenoic acid (β = -0.85, P = 0.003) levels were inversely related to baseline and also to subsequent systolic BP and alpha-linolenic acid to subsequent diastolic BP. In overweight/obese children, baseline eicosapentaenoic acid level was positively associated with baseline diastolic BP (β = 0.54, P = 0.005).ConclusionsLow blood arachidonic acid levels in the whole sample and high n-3 PUFA levels in thin/normal weight children are associated with lower and therefore healthier BP. The beneficial effects of high n-3 PUFA on BP were not observed in overweight/obese children, suggesting that they may have been overlaid by the unfavorable effects of excess weight.

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Section: Discussionsupporting

confidence: 83%

Associations of Whole Blood n-3 and n-6 Polyunsaturated Fatty Acids with Blood Pressure in Children and Adolescents – Results from the IDEFICS/I.Family Cohort

et al. 2016

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“…22 Low intakes of PUFA have been associated with elevated blood pressure levels. 23 In our study, even though the majority of participants had PUFA intakes below the SAFBDG recommendation of 6-10% of total energy, no association between intake of PUFA and SBP and DBP was found. In a recent study oily fish consumption of up to five servings per week resulted in a sustained decrease in SBP.…”

Section: Discussioncontrasting

confidence: 64%

Association between dietary adherence, anthropometric measurements and blood pressure in an urban black population, South Africa

Solomons

Kruger

Puoane

2018

South African Journal of Clinical Nutrition

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The aim was to determine participants' dietary adherence by calculating a diet adherence score based on the Dietary Approaches to Stop Hypertension (DASH)-style diet; (2) to determine if there was an association between dietary adherence score, anthropometric measurements (waist circumference, body mass index (BMI), waist-hip ratio, waist-toheight-ratio) and blood pressure (BP) in a South African urban black population. Design: Cross-sectional secondary analysis of data collected for the PURE study was undertaken. Setting: Langa, the urban PURE study site in the Western Cape province, South Africa. Subjects: The PURE study Western Cape urban cohort, 454 participants, aged 32-81 years was utilised. Outcome measures: Dietary adherence scores were calculated and the BP and anthropometric measurements, respectively, of participants in the lowest and highest tertiles of dietary adherence scores were compared. Results: Positive correlations were found between age, for both men and women, and systolic and diastolic BP. A significant positive correlation between added sugar intake and systolic blood pressure (SBP) was present only in the women. A significant positive correlation was found between BMI, diastolic BP and SBP in men only. No significant differences existed between BP of men or women in the lowest and top tertile groups according to dietary adherence score, but a significant inverse correlation between the dietary adherence score and SBP was found in women. Conclusions: BMI was positively associated with BP in men, while dietary adherence score was negatively correlated with SBP in women. Summary: Non-adherence to dietary guidelines presenting overconsumption of unhealthy foods may be associated with high blood pressure.

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“…These fatty acids, such as -3 fats, are extremely beneficial in lowering the risk of hypertension conditions [39].…”

Section: Discussionmentioning

confidence: 99%

Nutritional Counseling for Hypertensive Patients: Have Final-Year Nursing Students Learnt Enough to Be Able to Offer Advice to Such Patients?

Nsiah‐Asamoah

Setorglo

Mie

2017

Journal of Biomedical Education

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Background. Although nutrition education for the prevention and management of hypertension is the responsibility of registered dieticians and nutritionist, nurses also play this role particularly because there are few registered dieticians. This study was conducted to assess final-year nursing students' level of knowledge regarding the nutritional prevention and management of hypertension. Methods. A cross-sectional study was conducted to assess their knowledge regarding the dietary management of hypertension. A total of 220 students completed a 21-item nutritional prevention and management of hypertension knowledge test. Results. Students' knowledge about potential modifiable risk factors of hypertension such as excessive salt and alcohol intake was good. Less than half (44.5%) indicated that they will recommend an increased intake of potassium food sources to hypertensive patients. However, 70.5% incorrectly indicated that they will advise hypertensive patients to always read nutritional information on food items in order to avoid excessive intake of potassium in their diet. Conclusion. The results of this study indicate that there are some deficits in nursing students' nutritional knowledge for managing hypertension. The findings suggest an urgent need to revise the nursing training curriculum in order to include practical information that can be applied by nursing students, after graduation.

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Fish, Long-Chain n-3 PUFA and Incidence of Elevated Blood Pressure: A Meta-Analysis of Prospective Cohort Studies

Cited by 56 publications

References 48 publications

Associations of Whole Blood n-3 and n-6 Polyunsaturated Fatty Acids with Blood Pressure in Children and Adolescents – Results from the IDEFICS/I.Family Cohort

Associations of Whole Blood n-3 and n-6 Polyunsaturated Fatty Acids with Blood Pressure in Children and Adolescents – Results from the IDEFICS/I.Family Cohort

Association between dietary adherence, anthropometric measurements and blood pressure in an urban black population, South Africa

Nutritional Counseling for Hypertensive Patients: Have Final-Year Nursing Students Learnt Enough to Be Able to Offer Advice to Such Patients?

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