Winter Hypertension : Potential Mechanisms

Fares, Auda

doi:10.12816/0006044

Cited by 27 publications

(26 citation statements)

References 82 publications

(47 reference statements)

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“…Pathophysiologically, this will happen due to an increase of intracellular calcium levels, resulting in endothelial and vascular growth dysfunction [75]. Population studies also support these theories [76-78]. Rostand [79] postulated that the farther a population is settled from the equatorial line, the higher its blood pressure will be, estimating that for every 10 degrees of distance, pressure will rise 2.5 mmHg.…”

Section: Methodsmentioning

confidence: 99%

Vitamin D and its effects on cardiovascular diseases: a comprehensive review

Pérez-Hernández

Aptilon-Duque

Nostroza-Hernández

et al. 2016

Korean J Intern Med

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Vitamin D is a molecule that is actively involved in multiple metabolic pathways. It is mostly known for its implications related to calcium metabolism. It has also been determined that it actively participates in the cardiovascular system, influencing blood pressure, coronary artery disease and other vascular diseases, such as heart failure and atrial fibrillation. Furthermore, it has been established that this vitamin is extensively involved in the regulation of both the renin angiotensin aldosterone system and the immune system. In this review, we present the different vitamin D metabolic pathways associated with the cardiovascular pathophysiology, and we include studies in animal and human models, as well as some of the controversies found in the literature. This review also incorporates an overview of the implications in the molecular biology and public health fields.

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Section: Methodsmentioning

confidence: 99%

Vitamin D and its effects on cardiovascular diseases: a comprehensive review

Pérez-Hernández

Aptilon-Duque

Nostroza-Hernández

et al. 2016

Korean J Intern Med

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“…That correlates with increased frequency of phrase "hypertension" searches in Google. The cause of higher BP during colder months is multifactorial [20]. Both systolic and diastolic BP rise when the temperature drops [21,22].…”

Section: Discussionmentioning

confidence: 99%

Seasonal trends in hypertension in Poland: evidence from Google search engine query data

et al. 2018

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A b s t r a c tBackground: Various conditions, including arterial hypertension, exhibit seasonal trends in their occurrence and magnitude. Those trends correspond to an interest exhibited in the number of Internet searches for the specific conditions per month. Aim:The aim of the study was to show seasonal trends in the hypertension prevalence in Poland relate to the data from the Google Trends tool. Methods:Internet search engine query data were retrieved from Google Trends from January 2008 to November 2017. Data were calculated as a monthly normalised search volume from the nine-year period. Data was presented for specific geographic regions, including Poland, the United States of America, Australia, and worldwide for the following search terms: "arterial hypertension (pol. nadciśnienie tętnicze)", "hypertension (pol. nadciśnienie)" and "hypertension medical condition". Seasonal effects were calculated using regression models and presented graphically.

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“…Attempts should also be made to ensure that our lifestyles, in relation to diet, regular exercise, are at least as healthy in winter as they are in summer. [20] The strengths of the study were that seasonal variation in the prevalence of hypertension has not been studied much in India. Careful analysis of the data indicated that the variations in blood pressure attributable to the month of the year are at least as significant as those due to physiological variables.…”

Section: Discussionmentioning

confidence: 99%

Seasonal Variation in Arterial Blood Pressure

2016

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Background: There is need to evaluate influence of weather changes on blood pressure in human population that has often been ignored in clinical practice guidelines. Objectives: Present study was planned to find the seasonal variation of blood pressure. Methods: Seasonal variation in blood pressure was examined in 1081 participants of age 18 years and over from both genders, 540 from rural and 541 from urban practice area of Department of Community Medicine of tertiary care teaching hospital of Ludhiana. Information was obtained on demographic and socioeconomic characteristics and socio-economic status followed by clinical examination. Anthropometric measurements included weight, height, waist circumference, hip circumference, waist and hip ratio, Body Mass Index. Blood pressure was recorded and classified based on JNC VII criteria. Data was obtained on four different seasons (winter, summer, monsoon and post-monsoon) as defined by Indian meteorological department. Results: Present study showed that there is significant increase in the blood pressure in study population during winter and significant fall in summer in both systolic (SBP) and diastolic blood pressures (DBP) irrespective of age, sex, socioeconomic status, occupation. The variation in SBP between summer and winter season was maintained across all the age groups except in elderly where maximal difference was observed in monsoon -summer seasons. Mean SBP and DBP were higher in 41 to 50 years and more than 60 year age group; females have a higher increase in both mean SBP and DBP. Advancement in age and females gender confirmed more significant changes in blood pressure across ambient temperatures. Conclusion: Our study showed that climatic changes influence the blood pressure recordings and should also be considered for management of hypertension.

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Winter Hypertension : Potential Mechanisms

Cited by 27 publications

References 82 publications

Vitamin D and its effects on cardiovascular diseases: a comprehensive review

Vitamin D and its effects on cardiovascular diseases: a comprehensive review

Seasonal trends in hypertension in Poland: evidence from Google search engine query data

Seasonal Variation in Arterial Blood Pressure

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