scholarly journals Maternal first-trimester dietary intake and childhood blood pressure: the Generation R Study

2013 ◽  
Vol 110 (8) ◽  
pp. 1454-1464 ◽  
Author(s):  
Leontine C. L. van den Hil ◽  
H. Rob Taal ◽  
Layla. L. de Jonge ◽  
Denise H. M. Heppe ◽  
Eric A. P. Steegers ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Dietary Intake ◽  
Diastolic Blood Pressure ◽  
Multiple Testing ◽  
Daily Intake ◽  
Later Life ◽  
First Trimester ◽  
Population Based ◽  
Vitamin B ◽  
Standard Deviation Increase

Suboptimal maternal dietary intake during pregnancy might lead to fetal cardiovascular adaptations and higher blood pressure in the offspring. The aim of the present study was to investigate the associations of maternal first-trimester dietary intake with blood pressure in children at the age of 6 years. We assessed first-trimester maternal daily dietary intake by a FFQ and measured folate, homocysteine and vitamin B12 concentrations in the blood, in a population-based prospective cohort study among 2863 mothers and children. Childhood systolic and diastolic blood pressure was measured using a validated automatic sphygmomanometer. First-trimester maternal daily intake of energy, fat, protein and carbohydrate was not associated with childhood blood pressure. Furthermore, maternal intake of micronutrients was not associated with childhood blood pressure. Also, higher maternal vitamin B12 concentrations were associated with a higher diastolic blood pressure (0·31 mmHg per standard deviation increase in vitamin B12 (95 % CI 0·06, 0·56)). After taking into account multiple testing, none of the associations was statistically significant. Maternal first-trimester folate and homocysteine concentrations were not associated with childhood blood pressure. The results from the present study suggest that maternal Fe intake and vitamin B12 concentrations during the first trimester of pregnancy might affect childhood blood pressure, although the effect estimates were small and were not significant after correction for multiple testing. Further studies are needed to replicate these findings, to elucidate the underlying mechanisms and to assess whether these differences in blood pressure persist in later life.

scholarly journals Association between Blood Pressure and Serum Thyroid-Stimulating Hormone Concentration within the Reference Range: A Population-Based Study

2007 ◽  
Vol 92 (3) ◽  
pp. 841-845 ◽  
Author(s):  
Bjørn O. Åsvold ◽  
Trine Bjøro ◽  
Tom I. L. Nilsen ◽  
Lars J. Vatten
Keyword(s):  
Blood Pressure ◽  
Diastolic Blood Pressure ◽  
Outcome Measures ◽  
Odds Ratio ◽  
Reference Range ◽  
Positive Association ◽  
Population Based ◽  
Thyroid Stimulating Hormone ◽  
Cross Sectional ◽  
Population Based Study

Abstract Context: The association between thyroid function and blood pressure is insufficiently studied. Objective: The objective of the investigation was to study the association between TSH within the reference range and blood pressure. Design and Setting: This was a cross-sectional, population-based study. Subjects: A total of 30,728 individuals without previously known thyroid disease were studied. Main Outcome Measures: The main outcome measures were mean systolic and diastolic blood pressure and pulse pressure and odds ratio for hypertension (>140/90 mm Hg or current or previous use of antihypertensive medication), according to categories of TSH. Results: Within the reference range of TSH (0.50–3.5 mU/liter), there was a linear increase in blood pressure with increasing TSH. The average increase in systolic blood pressure was 2.0 mm Hg [95% confidence interval (CI) 1.4–2.6 mm Hg] per milliunit per liter increase in TSH among men, and 1.8 mm Hg (95% CI 1.4–2.3 mm Hg) in women. The corresponding increase in diastolic blood pressure was 1.6 mm Hg (95% CI 1.2–2.0 mm Hg) in men and 1.1 mm Hg (95% CI 0.8–1.3 mm Hg) in women. Comparing TSH of 3.0–3.5 mU/liter (upper part of the reference) with TSH of 0.50–0.99 mU/liter (lower part of the reference), the odds ratio for hypertension was 1.98 (95% CI 1.56–2.53) in men and 1.23 (95% CI 1.04–1.46) in women. Conclusion: Within the reference range of TSH, we found a linear positive association between TSH and systolic and diastolic blood pressure that may have long-term implications for cardiovascular health.

scholarly journals Salt intake and blood pressure in Iranian children and adolescents: a population-based study

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Mohammad Hassan Emamian ◽  
Hossein Ebrahimi ◽  
Hassan Hashemi ◽  
Akbar Fotouhi
Keyword(s):  
Blood Pressure ◽  
Rural Areas ◽  
Urban Areas ◽  
Salt Intake ◽  
Daily Intake ◽  
Population Based ◽  
World Health ◽  
Second Phase ◽  
Salt Consumption ◽  
The Mean

Abstract Background Previous studies have reported a high prevalence of hypertension in Iranian students, especially in rural areas. The aim of this study was to investigate the daily intake of salt in students and its association with high blood pressure. Methods A random sub-sample was selected from the participants of the second phase of Shahroud schoolchildren eye cohort study and then a random urine sample was tested for sodium, potassium and creatinine. Urine electrolyte esexcretion and daily salt intake were calculated by Tanaka et al.’s formula. Results Among 1455 participants (including 230 participants from rural area and 472 girls), the mean age was 12.9 ± 1.7 year and the mean daily salt intake was 9.7 ± 2.6 g (95% CI 9.5–9.8). The mean salt consumption in rural areas [10.8 (95% CI 10.4–11.2)] was higher than urban areas [9.4 (95% CI 9.3–9.6)], in people with hypertension [10.8 (95% CI 10.3–11.3)] was more than people with normal blood pressure [9.4 (95% CI 9.3–9.6)], and in boys [9.8 (95% CI 9.7–10.0)] was more than girls [9.3 (95% CI 9.1–9.6)]. Higher age, BMI z-score, male sex and rural life, were associated with increased daily salt intake. Increased salt intake was associated with increased systolic and diastolic blood pressure. Conclusion Daily salt intake in Iranian adolescents was about 2 times the recommended amount of the World Health Organization, was higher in rural areas and was associated with blood pressure. Reducing salt intake should be considered as an important intervention, especially in rural areas.

scholarly journals Blood Pressure Variability and Incidence of New-Onset Atrial Fibrillation

Hypertension ◽  
2020 ◽  
Vol 75 (2) ◽  
pp. 309-315 ◽  
Author(s):  
So-Ryoung Lee ◽  
You-Jung Choi ◽  
Eue-Keun Choi ◽  
Kyung-Do Han ◽  
Euijae Lee ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Blood Pressure ◽  
Diastolic Blood Pressure ◽  
Blood Pressure Variability ◽  
Blood Pressure Measurement ◽  
Population Based ◽  
Increased Risk ◽  
Complete Set ◽  
The Impact ◽  
Fourth Quartile

Blood pressure variability is a well-known risk factor for cardiovascular disease, but its association with atrial fibrillation (AF) is uncertain. We aimed to evaluate the association between visit-to-visit blood pressure variability and incident AF. This population-based cohort study used database from the Health Screening Cohort, which contained a complete set of medical claims and a biannual health checkup information of the Koran population. A total of 8 063 922 individuals who had at least 3 health checkups with blood pressure measurement between 2004 and 2010 were collected after excluding subjects with preexisting AF. Blood pressure variability was defined as variability independence of the mean and was divided into 4 quartiles. During a mean follow-up of 6.8 years, 140 086 subjects were newly diagnosed with AF. The highest blood pressure variability (fourth quartile) was associated with an increased risk of AF (hazard ratio, 95% CI; systolic blood pressure: 1.06, 1.05–1.08; diastolic blood pressure: 1.07, 1.05–1.08) compared with the lowest (first quartile). Among subjects in the fourth quartile in both systolic and diastolic blood pressure variability, the risk of AF was 7.6% higher than those in the first quartile. Moreover, this result was consistent in both patients with or without prevalent hypertension. In subgroup analysis, the impact of high blood pressure variability on AF development was stronger in high-risk subjects, who were older (≥65 years), with diabetes mellitus or chronic kidney disease. Our findings demonstrated that higher blood pressure variability was associated with a modestly increased risk of AF.

scholarly journals Hypothetical blood-pressure-lowering interventions and risk of stroke and dementia

2020 ◽  
Author(s):  
Liliana Paloma Rojas-Saunero ◽  
Saima Hilal ◽  
Eleanor J. Murray ◽  
Roger W. Logan ◽  
Mohammad Arfan Ikram ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Risk Ratio ◽  
Stroke Risk ◽  
Smoking Status ◽  
Later Life ◽  
Population Based ◽  
Prior History ◽  
Rotterdam Study ◽  
Dementia Risk ◽  
Quitting Smoking

AbstractWe aimed to study the effects of hypothetical interventions on systolic blood pressure (SBP) and smoking on risk of stroke and dementia using data from 15 years of follow-up in the Rotterdam Study. We used data from 4930 individuals, aged 55–80 years, with no prior history of stroke, dementia or cognitive impairment, followed for 15 years within the Rotterdam Study, a population-based cohort. We defined the following sustained interventions on SBP: (1) maintaining SBP below 120 mmHg, (2) maintaining SBP below 140 mmHg, (3) reducing SBP by 10% if above 140 mmHg, (4) reducing SBP by 20% if above 140 mmHg, and a combined intervention of quitting smoking with each of these SBP-lowering strategies. We considered incident stroke and incident dementia diagnoses as outcomes. We applied the parametric g-formula to adjust for baseline and time-varying confounding. The observed 15-year risk for stroke was 10.7%. Compared to no specified intervention (i.e., the “natural course”), all interventions that involved reducing SBP were associated with a stroke risk reduction of about 10% (e.g., reducing SBP by 20% if above 140 mmHg risk ratio: 0.89; 95% CI 0.76, 1). Jointly intervening on SBP and smoking status further decreased the risk of stroke (e.g., risk ratio: 0.83; 95% CI 0.71, 0.94). None of the specified interventions were associated with a substantive change in dementia risk. Our study suggests that a joint intervention on SBP and smoking cessation during later life may reduce stroke risk, while the potential for reducing dementia risk were not observed.

scholarly journals A variant of the IGF-I gene is associated with blood pressure but not with left heart dimensions at the age of 2 years: the Generation R Study

2008 ◽  
Vol 159 (3) ◽  
pp. 209-216 ◽  
Author(s):  
Vera A A van Houten ◽  
Dennis O Mook-Kanamori ◽  
Lennie van Osch-Gevers ◽  
Eric A P Steegers ◽  
Albert Hofman ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Promoter Region ◽  
Later Life ◽  
Population Based ◽  
Root Diameter ◽  
Left Ventricular ◽  
Left Heart ◽  
Igf I ◽  
Blood Pressures ◽  
Design And Methods

Background and objectiveA common variant of the IGF-I gene has been shown to be associated with cardiovascular disease in adulthood. The objective of this study was to examine whether this variant of the IGF-I gene is associated with blood pressure and left heart dimensions in early childhood.Research design and methodsThis study was embedded in the Generation R Study, a population-based prospective cohort study from foetal life onwards. IGF-I promoter region was genotyped in DNA obtained from cord blood. Blood pressure (systolic and diastolic) and echocardiography (left ventricular mass, left atrial diameter and aortic root diameter) measurements were performed at the age of 2 years. Analyses were performed in 538 subjects.ResultsEight alleles of the IGF-I promoter region were identified. In total, 43% of the subjects were homozygous for the 192 bp allele (wild type), 46% were heterozygous and 11% were non-carriers. Significantly lower systolic and diastolic blood pressures were found in non-carrier subjects (difference compared with homozygous subjects: −4.4 (95% confidence interval (CI) −7.8 to −1.1) mmHg and −3.5 (95% CI: −6.9 to −0.1) mm respectively). No significant differences were found for left heart dimensions at the age of 2 years. No association was found when we used a previously proposed alternative classification of the IGF-I gene.ConclusionThe variant type of the IGF-I promoter region is associated with lower blood pressure but not with left heart dimensions at the age of 2 years. Follow-up studies are needed to examine whether these differences persist in later life.

Childhood exposure to hunger: associations with health outcomes in later life and epigenetic markers

Epigenomics ◽  
2020 ◽  
Vol 12 (21) ◽  
pp. 1861-1870
Author(s):  
Laura Perna ◽  
Yan Zhang ◽  
Beate Wild ◽  
Matthias Kliegel ◽  
Andreas Ihle ◽  
...  
Keyword(s):  
Dna Methylation ◽  
Depressive Symptoms ◽  
Health Outcomes ◽  
Multiple Testing ◽  
Later Life ◽  
Population Based ◽  
German Population ◽  
Multiple Testing Correction ◽  
Childhood Exposure ◽  
Infant Exposure

Aim: To assess associations of early exposure to hunger with depressive symptoms and cardiovascular disease (CVD) and to investigate possible epigenetic pathways. Patients & methods: Data were based on a German population-based cohort of older adults (n = 9631). Regression models were performed for health outcomes in later life. An epigenome-wide association study for early-life exposure to hunger was performed in a subgroup (n = 2221) with whole blood DNA methylation data. Results: Childhood exposure to hunger was associated with CVD and depressive symptoms in later life. Prenatal or infant exposure was strongly associated with depressive symptoms. No CpG reached epigenome-wide significance after multiple testing correction. Conclusion: Childhood hunger is a risk factor for depressive symptoms and CVD at older age. DNA methylation could not explain this association.

Low diastolic blood pressure and mortality in a population-based cohort of 16 913 hypertensive patients in North Karelia, Finland

1998 ◽  
Vol 16 (9) ◽  
pp. 1235-1242 ◽  
Author(s):  
Jaakko Tuomilehto ◽  
Olli-Pekka Ryynänen ◽  
Allan Koistinen ◽  
Daiva Rastenyte ◽  
Aulikki Nissinen ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Diastolic Blood Pressure ◽  
Population Based ◽  
Hypertensive Patients

scholarly journals Blood pressure in 3-year-old girls associates inversely with umbilical cord serum 25-hydroxyvitamin D: an Odense Child Cohort study

2018 ◽  
Vol 7 (12) ◽  
pp. 1236-1244 ◽  
Author(s):  
Søs Dragsbæk Larsen ◽  
Christine Dalgård ◽  
Mathilde Egelund Christensen ◽  
Sine Lykkedegn ◽  
Louise Bjørkholt Andersen ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Vitamin D ◽  
Cohort Study ◽  
A Priori ◽  
Later Life ◽  
Population Based ◽  
Vitamin D Status ◽  
Young Girls ◽  
Hydroxyvitamin D ◽  
25 Hydroxyvitamin D

Background Low foetal vitamin D status may be associated with higher blood pressure (BP) in later life. Objective To examine whether serum 25-hydroxyvitamin D2+3 (s-25OHD) in cord and pregnancy associates with systolic and diastolic BP (SBP; DBP) in children up to 3 years of age. Design Prospective, population-based cohort study. Methods We included 1594 singletons from the Odense Child Cohort with available cord s-25OHD and BP data at median age 3.7 months (48% girls), 18.9 months (44% girls) or 3 years (48% girls). Maternal s-25OHD was also assessed at gestational ages 12 and 29 weeks. Multiple regression models were stratified by sex a priori and adjusted for maternal educational level, season of birth and child height, weight and age. Results In 3-year-old girls, SBP decreased with −0.7 mmHg (95% CI −1.1; −0.3, P = 0.001) and DBP with −0.4 mmHg (95% CI −0.7; −0.1, P = 0.016) for every 10 nmol/L increase in cord s-25OHD in adjusted analyses. Moreover, the adjusted odds of having SBP >90th percentile were reduced by 30% for every 10 nmol/L increase in cord s-25OHD (P = 0.004) and by 64% for cord s-25OHD above the median 45.1 nmol/L (P = 0.02). Similar findings were observed between pregnancy s-25OHD and 3-year SBP, cord s-25OHD and SBP at 18.9 months, and cord s-25OHD and DBP at 3 years. No consistent associations were observed between s-25OHD and BP in boys. Conclusion Cord s-25OHD was inversely associated with SBP and DBP in young girls, but not in boys. Higher vitamin D status in foetal life may modulate BP in young girls. The sex difference remains unexplained.

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